CN103187780B - Ultra-large power supply system and monitoring method and system for ultra-large power supply system - Google Patents
Ultra-large power supply system and monitoring method and system for ultra-large power supply system Download PDFInfo
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- CN103187780B CN103187780B CN201110448803.XA CN201110448803A CN103187780B CN 103187780 B CN103187780 B CN 103187780B CN 201110448803 A CN201110448803 A CN 201110448803A CN 103187780 B CN103187780 B CN 103187780B
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Abstract
An ultra-large power supply system comprises a master power supply and at least one slave power supply, wherein a positive busbar and a negative busbar of the master power supply are connected with a positive busbar and a negative busbar of each slave power supply respectively; and the master power supply is communicated with each slave power supply by a bus. The ultra-large power supply system and a monitoring method and a system for the ultra-large power supply system are used for solving the problems of high cost and unstable power supply arising from a separated busbar power supply mode adopted by the existing ultra-large power supply system, and the problem that the different busbars cannot be communicated with each other, and further achieves current equalization among system cabinet modules.
Description
Technical field
The present invention relates to power technique fields, particularly a kind of super large power-supply system and method for supervising thereof and system.
Background technology
At the central machine room of communication, need to use super large power-supply system to power.In order to ensure the normal work of super large power-supply system, need to monitor super large power-supply system.
For the method for supervising of super large power-supply system, each power module due to super large power-supply system all needs the node of a connection CAN, realize the information gathering power module, but the power module number needed for super large power-supply system far exceedes the maximum node number of CAN, many busbars in current industry, are usually used to power.Each busbar adopts a CAN as monitoring path, so just needs multiple monitor mode to realize.The existing busbar supply power mode adopting separation, can cause the instability of high cost and power supply.
In addition, the power module of different rack (different busbar), owing to adopting different CAN as monitoring path, cannot intercom mutually, so just cannot solve the voltage deviation existed between each busbar, the power module of super large power-supply system be managed and is difficult to carry out.
Therefore, how a kind of super large power-supply system and method for supervising thereof and system are provided, solve existing super large power-supply system and adopt the problem being separated high cost that busbar supply power mode brings and power supply instability, and the problem that cannot communicate between different busbar, be those skilled in the art's technical issues that need to address.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of super large power-supply system and method for supervising thereof and system, the problem being separated high cost that busbar supply power mode brings and power supply instability is adopted for solving existing super large power-supply system, and the problem that cannot communicate between different busbar, the equal flow problem between further resolution system cabinet module.
The invention provides a kind of super large power-supply system, described system comprises:
Main power source and at least one is from power supply;
The positive and negative busbar of described main power source to be describedly connected from the positive and negative busbar of power supply respectively with each;
Described main power source is communicated by bus from power supply with described.
Preferably, described main power source is provided with battery; Described from power supply without battery.
Preferably, describedly to communicate by specifying proprietary protocol from power supply with main power source.
Preferably, described from power supply by the power module number from power supply, from the power module rated current of power supply, output voltage, and alarm status reports described main power source by described bus; Described main power source issues control command to described from power supply by described bus.
The present invention also provides a kind of super large power-supply system method for supervising, and described method is for monitoring system according to claim 1, and described method comprises:
Monitor described super large power-supply system loading condition;
If described super large power-supply system not bringing onto load time, described main power source and be describedly all in floating charge state from power supply, and the output current of the power module of described main power source and the described power module from power supply is in maximum output current state;
If during described super large power-supply system bringing onto load, carry out sharing control.
Preferably, described sharing control comprises the following steps:
Described main power source obtains the size of load, according to the described power module number that reports from power supply and described main power source with power module number, calculate the electric current that power module should export;
Information of voltage after output voltage is increased predetermined voltage deviation by the power module of described main power source is sent to described from power supply, the described order performing described information of voltage from power supply;
Described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
Described main power source controls self to decontrol and outputs current to maximum output current.
Preferably, described main power source comprises after controlling self to decontrol and outputing current to the step of maximum output current:
Described reporting from power supply outputs current to described main power source;
The relatively more described output current reported from power supply of described main power source, in judgement, whether subcommand runs succeeded;
If success, then terminate; Otherwise according to the actual output current of the current power module from power supply with send out the difference of output current, described main power source issues new output current order again.
Preferably, when described system monitoring is to prominent situation of unloading load, control to maintain the described output current from power supply;
Described main power source monitors load and changes, and issues new output current order immediately to described from power supply, keeps described super large power-supply system not overcurrent, the current-sharing between the power module being realized master and slave power supply by described sharing control.
Preferably, when described system monitoring is to the situation of shock load, the output current from power supply is stated in described main power source control limit residence, the output current of described main power source is decontroled to maximum output current, the described load of impact is applied to described main power source, the current-sharing between the power module being realized master and slave power supply by described sharing control.
Preferably, described predetermined voltage deviation is 0.1 to 1.0V.
The present invention also provides a kind of super large power-supply system supervisory control system, and described system is for monitoring super large power-supply system according to claim 1, and described super large power-supply system supervisory control system comprises:
Monitoring means, for monitoring described super large power-supply system loading condition;
First control unit, for monitor at described monitoring means described super large power-supply system not bringing onto load time, control described main power source and be describedly all in floating charge state from power supply, and described main power source and the described power module output current from power supply are in maximum output current state;
Second control unit, during for monitoring described super large power-supply system bringing onto load at described monitoring means, carries out sharing control.
Preferably, described second control unit comprises:
First computation subunit, obtains the size of load by described main power source, according to the described power module number that reports from power supply and described main power source institute charged number of modules, calculate the output current that described main power source and the described power module from power supply should export;
First controls subelement, control described main power source the power module output voltage of main power source is increased predetermined voltage deviation after information of voltage be sent to described from power supply, the described order performing described information of voltage from power supply;
Second control subelement, control described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
3rd controls subelement, controls the order that the output current of main power source provided by described main power source.
Preferably, described second control unit comprises further:
Judgment sub-unit, by the relatively more described output current reported from power supply of described main power source, in judgement, whether subcommand runs succeeded; If success, then terminate; Otherwise notify that the 4th controls subelement;
4th controls subelement, when on described judgment sub-unit judges, subcommand does not run succeeded, according to the current power module from power supply actual export and main power source issue the difference of the output current from power supply, described main power source issues new output current again.
Preferably, when described monitoring means monitors prominent situation of unloading load, the second control unit controls to maintain the described output current from power supply;
Detect that load changes according to described main power source, issue that described first computation subunit calculates immediately new output current to described from power supply, keep described super large power-supply system not overcurrent, and current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit.
Preferably, when described monitoring means monitors the situation of shock load, the output current from power supply is stated in second control unit control limit residence, second control unit control decontrol described main power source output current to maximum output current, the described load of impact is applied to described main power source, the current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit.
Compared with prior art, the present invention has the following advantages:
Super large power-supply system described in the embodiment of the present invention is parallel with at least two cover power supplys---a set of main power sources and at least a set of from power supply, at least two cover power supplys are due to parallel with one another, can intercom mutually, user can as required in parallel other from power supply (such as communication power supply), thus realize dilatation.
The positive and negative busbar often overlapping power supply only need connect by super large power-supply system provided by the invention respectively, and implementation procedure is simple.Super large power-supply system described in the embodiment of the present invention may be used for the dilatation realizing a set of power supply or many cover power-supply systems.
Busbar: the output bus that can separate multiple branch road, has positive-negative polarity.Power module, battery, the both positive and negative polarity of load is all connected in parallel on the output bus of busbar.
The positive and negative electrode of busbar can be called as positive and negative busbar.
Super large power-supply system method for supervising described in the embodiment of the present invention, main power source and between power supply owing to having voltage deviation, preferentially can be with from power supply and carry, realize parallel with one another comprising main power source and the electric current between the power module of power supply distributes automatically, reach current-sharing effect, thus make load realize suitable allocation at main power source with between the power module of power supply, do not need the adjustment of parameter, automatic adjustment can be realized.
Further, described in the embodiment of the present invention, super large power-supply system method for supervising is when load impact, and main power source can preferentially bear the load newly increased, and then realizes current-sharing by the scheme of current-sharing.
Accompanying drawing explanation
Fig. 1 is super large power system structure schematic diagram described in first embodiment of the invention;
Fig. 2 is super large power system structure schematic diagram described in second embodiment of the invention;
Fig. 3 is the output current-dynamic characteristic figure of super large power-supply system described in the embodiment of the present invention;
Fig. 4 is the output voltage-dynamic characteristic figure of super large power-supply system described in the embodiment of the present invention;
Fig. 5 is super large power-supply system method for supervising flow chart described in first embodiment of the invention;
Fig. 6 is super large power-supply system method for supervising flow chart described in second embodiment of the invention;
Fig. 7 is super large power-supply system supervisory control system structure chart described in first embodiment of the invention;
Fig. 8 is super large power-supply system supervisory control system structure chart described in second embodiment of the invention;
Fig. 9 is the computational methods flow chart of load current described in the embodiment of the present invention;
Figure 10 is the output voltage computational methods flow chart of each module described in the embodiment of the present invention;
Figure 11 is the order flow chart performing described information of voltage described in the embodiment of the present invention from power supply;
Figure 12 is the output voltage-dynamic characteristic figure of existing power supply system.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
The technical problem to be solved in the present invention is to provide a kind of super large power-supply system and method for supervising thereof and system, the problem being separated high cost that busbar supply power mode brings and power supply instability is adopted for solving existing super large power-supply system, and the problem that cannot communicate between different busbar, the equal flow problem between further resolution system cabinet module.
Super large power-supply system described in the embodiment of the present invention, specifically can be applied to message center machine room, for communication equipment is powered.
Super large power system structure schematic diagram described in first embodiment of the invention see Fig. 1 and Fig. 2, Fig. 1; Fig. 2 is super large power system structure schematic diagram described in second embodiment of the invention.
Super large power-supply system described in first embodiment of the invention, comprising: a main power source and one are from power supply.
The difference of second embodiment of the invention and the first embodiment is, described super large power-supply system comprises: a main power source and two are from power supply.
Super large power-supply system described in the embodiment of the present invention, can comprise a main power source and at least one is from power supply.Can arrange as required from power supply, be specifically as follows one or more.Described main power source must exist, and is one.
The positive and negative busbar of described main power source to be describedly connected from the positive and negative busbar of power supply respectively with each; Namely main power source is connected with from power sources in parallel.The main power source be in parallel can communicate with between power supply.When need to increase new from power supply time, only need to be connected newly-increased with the positive and negative busbar of super large power-supply system described in the embodiment of the present invention from the positive and negative busbar of power supply, facilitate the dilatation of described super large power-supply system.
Main power source described in the embodiment of the present invention can be provided with battery; Describedly from power supply, can not battery be set.
When the AC power of super large power-supply system described in the embodiment of the present invention input (municipal alternating current) be disconnected time, battery can as stand-by power supply directly for communication equipment be powered.
Input voltage due to communication equipment is 48V direct current, and the output voltage of described battery is specifically as follows 53.8V.
Main power source and from power supply as required, all can comprise multiple power module, each power module is that a communication equipment is powered.
The implementation procedure of super large power-supply system described in the embodiment of the present invention is simple, only the positive and negative busbar of master and slave power supply need be connected respectively.Described in the embodiment of the present invention, super large power-supply system may be used for the dilatation to a set of power-supply system, also may be used for the dilatation realizing many cover power-supply systems.
Described main power source can be communicated by a bus from power supply with described.Described bus is specifically as follows RS485 bus.Describedly can to communicate by specifying proprietary protocol from power supply with main power source.The communication information comprises with following table 1 and table 2 content.
Table 1 is from power supply reported data content and transmission order
Note: 14 expressions comprise signal serial numbers [0--14], because each module monomer information is 15 signals.NUB is module number of monomers.
Table 2 power module monomer information and order
| Sequence number | Signal name | Data type | Data length |
| 1 | Power module output current | Floating number | 4 |
| 2 | Power module electric current | Floating number | 4 |
| 3 | Power module DC state | E byte | 1 |
| 4 | Power module exchange status | E byte | 1 |
| 5 | Power module running time | Unsigned int | 4 |
| 6 | Power module failure | E byte | 1 |
| 7 | Excess temperature | E byte | 1 |
| 8 | Overvoltage | E byte | 1 |
| 9 | Power module is protected | E byte | 1 |
| 10 | Fan failure | E byte | 1 |
| 11 | Power module Communications failure | E byte | 1 |
| 12 | Power module limit power | E byte | 1 |
| 13 | Power module exchanges and has a power failure | E byte | 1 |
| 14 | Power module voltage | Floating number | 4 |
| 15 | Existence | E byte | 1 |
Described can by the power module number of self from power supply, power module rated current, output voltage, and relevant alarm status reports main power source by RS485 bus.
Main power source can be issued control command by RS485 bus from power supply, indirectly can control the described power module from power supply whereby.
See Fig. 5, this figure is super large power-supply system method for supervising flow chart described in first embodiment of the invention.
Super large power-supply system method for supervising described in first embodiment of the invention, for monitoring the super large power-supply system above described in the first embodiment, described method comprises:
S100, monitor described super large power-supply system loading condition;
If the described super large power-supply system of S200 not bringing onto load time, described main power source and be describedly all in floating charge state from power supply, and the output current of described main power source and the described power module from power supply is in maximum output current state.
Floating charge state is power supply system for communications normal operating conditions.
Input voltage due to communication equipment is 48V direct current, and the rated output voltage of main power source can be set as 53.5V.This voltage is also the set point of power supply system for communications system output voltage when normally working, i.e. float charge voltage.
If during S300 described super large power-supply system bringing onto load, carry out sharing control.
As shown in Figure 3, this figure output current-dynamic characteristic figure that is super large power-supply system described in the embodiment of the present invention.As can be seen from Figure 3, the module output current of main power source is consistent with the module output current from power supply with load variations, realizes current-sharing effect.
See output voltage-dynamic characteristic figure that Fig. 4 and Figure 12, Fig. 4 are super large power-supply systems described in the embodiment of the present invention; Figure 12 is the output voltage-dynamic characteristic figure of existing power supply system
No matter heavily loaded power module in the present invention exports, and normal load, or underloading, main power source and the output voltage from power supply are consistent.
And in underloading situation of the prior art, main power source cannot export, when normal load, main power source exports and exports from power supply and is not consistent.Only can as the present invention when heavy duty, main power source exports and exports from power supply and is consistent, and namely all power modules can normally export, and the useful life of all power modules is consistent.(note: current-limiting points is the percentage of power module target output current divided by power module output-current rating gained)
Super large power-supply system described in the embodiment of the present invention, when load changes, described main power source can immediate response, from power supply after reaction.
Shown in Figure 6, Fig. 6 is super large power-supply system method for supervising flow chart described in second embodiment of the invention.
The difference of relative first embodiment of super large power-supply system method for supervising described in second embodiment of the invention is, described sharing control comprises the following steps:
S310, described main power source obtain the size of load, according to the described power module number that reports from power supply and described main power source institute charged number of modules, calculate the output current that power module should export;
First obtain all information from power supply, information content as table 1, shown in table 2.
If obtain successfully, then can according to the size of the method computational load electric current shown in Fig. 9, according to the power module number from power supply, from the power module rated current of power supply, the power module number of main power source, the power module rated current of main power source calculates the output current of final each power module according to Figure 10 scheme.
See Fig. 9, this figure is the computational methods flow chart of load current described in the embodiment of the present invention.
The computational methods of load current described in the embodiment of the present invention, specifically can comprise the following steps:
Do you judge that super large power-supply system described in the embodiment of the present invention is start first time? if so, main power source output current and battery charging and discharging electric current is obtained after then carrying out initialization intermediate value array; Otherwise directly obtain main power source output current and battery charging and discharging electric current;
Then obtain from electric power outputting current;
Calculate: load current=main power source output current+from electric power outputting current-battery charging and discharging electric current;
Carry out medium filtering, obtain final load output current;
Display load current.
See Figure 10, this figure is the output current computational methods flow chart of each module (power module) described in the embodiment of the present invention.
The output current computational methods of each power module described in the embodiment of the present invention, specifically can comprise the following steps:
Calculate: power module rated current * from electric power outputting current fSlaveOutput=from power supply (load current+battery expection output current)/(the power module output-current rating of the power module number * main power source of main power source+from the power module number * of power supply from the power module output-current rating of power supply)
Obtain single power module maximum output current fMaxOutput;
Obtain single power module minimum output current fMinOutput;
Obtain single power module average output current fAveOutput;
Calculate the ratio of single module maximum output current and all module average output currents: fCmpRatio1=abs (fMaxOutput-fAveOutput)/single power module rated current
Calculate the ratio of single module minimum output current and all module average output currents: fCmpRatio2=abs (fMinOutput-fAveOutput)/single power module rated current
Do you judge that fCmpRatio1 > delta1 or fCmpRatio2 > delta1 sets up? if fCmpRatio1 > delta1 or fCmpRatio2 > delta1 sets up, then need to continue to judge that main power source maximum output current > sets up from power supply maximum output current?
If fCmpRatio1 > delta1 or fCmpRatio2 > delta1 is false, then from electric power output voltage electric current fSlaveOutput=fSlaveOutput, then calculate the power module output-current rating of the single main power source of main power source output voltage fMasterOutput=;
If main power source maximum output current > sets up from power supply maximum output current, then calculate from electric power outputting current fSlaveOutput=fSlaveOutput+delta2; Calculate the power module rated output voltage of the single main power source of main power source output current fMasterOutput=;
If main power source maximum output current > is false from power supply maximum output current, then from electric power outputting current fSlaveOutput=fSlaveOutput-delta2; Then the power module output-current rating of main power source output current fMasterOutput=main power source is calculated.
Note: Delta1: the maximum permissible value of single power module (main power source, from power supply) current-sharing, user can set as required;
Delta2: each cumulative or regressive value of single power module (main power source, from power supply).
Information of voltage (i.e. pressure regulation point) after output voltage is increased predetermined voltage deviation by the power module of S320, described main power source is sent to described from power supply, the described order performing described information of voltage from power supply, as shown in figure 11.
See Figure 11, this figure is the order flow chart performing described information of voltage described in the embodiment of the present invention from power supply.
Perform the process of the order of described information of voltage from power supply described in the embodiment of the present invention:
Calculate: from electric power output voltage fSlaveOutputVoltage=fFloatVoltage+fVoltageDelta
Main power source output voltage fMasterOutputVoltage=fFloatVoltage
By bus marco from electric power output voltage (fSlaveOutputVoltage), then control main power source output voltage (fMasterOutputVoltage).
Note: fFloatVoltage: the rated output voltage of main power source, user can set as required.FVoltageDelta: from the pressure regulation coefficient of power supply.
From the rated output voltage of power supply be float charge voltage and predetermined voltage deviation (the pressure regulation coefficient from power supply) and.Can select from the pressure regulation coefficient of power supply, user can be arranged at interface.Predetermined voltage deviation (the pressure regulation coefficient from power supply) general range is 0.1V ~ 1.0V, and default value is 0.5V.
Main power source and predetermined voltage deviation can be had between power supply, from output voltage higher than main power source of the output voltage of power supply, preferentially can be with from power supply and carry, electric current between the power module that therefore can realize master and slave power supply in parallel distributes automatically, reach current-sharing effect, thus make load suitable allocation between the power module of master and slave power supply, without the need to the adjustment of parameter, realize automatically regulating.
S330, described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
S340, described main power source control self to decontrol and output current to maximum output current.What namely described main power source controlled to decontrol main power source outputs current to maximum output current.
Described main power source can also comprise (not shown) after controlling self to decontrol and outputing current to the step of maximum output current:
S350, described reporting from power supply output current to described main power source;
The relatively more described output current reported from power supply of S360, described main power source, in judgement, whether subcommand runs succeeded;
If success, then terminate; Otherwise according to the actual output current of the current power module from power supply with send out the difference of output current, described main power source issues new output current order again.
When described super large power-supply system monitors prominent situation of unloading load, from power supply before not accepting the new output current order of main power source, any control action can not be carried out, to remain described from the original output current of power supply, described main power source detects that load changes, after Figure 10 scheme calculates, issue new output current order immediately to described from power supply, keep described system not overcurrent, the current-sharing between the power module being realized master and slave power supply by described sharing control;
When load impact, main power source can preferentially bear the load newly increased, and then realizes current-sharing by the scheme of current-sharing.
When described super large power-supply system monitors the situation of shock load, the described output current from power supply is limit (stating the output current from power supply by described main power source control limit residence), the output current of described main power source is decontroled to maximum output current, the described load of impact is applied to described main power source, then the current-sharing between the power module being realized master and slave power supply by described sharing control.
See Fig. 7, this figure is super large power-supply system supervisory control system structure chart described in first embodiment of the invention.
Super large power-supply system supervisory control system described in first embodiment of the invention, for monitoring previously described super large power-supply system, described super large power-supply system supervisory control system comprises:
Monitoring means 1, for monitoring described super large power-supply system loading condition;
First control unit 2, for monitor at described monitoring means 1 described super large power-supply system not bringing onto load time, control described main power source and be describedly all in floating charge state from power supply, and described main power source and the described power module output current from power supply are in maximum output current state;
Second control unit 3, for when described monitoring means 1 monitors described super large power-supply system bringing onto load, carries out sharing control.
See Fig. 8, this figure is super large power-supply system supervisory control system structure chart described in second embodiment of the invention.
The difference of super large power-supply system supervisory control system and the first embodiment described in second embodiment of the invention is: described second control unit 3 comprises:
First computation subunit 31, obtains the size of load by described main power source, according to the described power module number that reports from power supply and described main power source institute charged number of modules, calculate the output current that described main power source and the described power module from power supply should export;
First controls subelement 32, control described main power source the power module output voltage of main power source is increased predetermined voltage deviation after information of voltage be sent to described from power supply, the described order performing described information of voltage from power supply;
Second control subelement 33, control described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
3rd controls subelement 34, controls described main power source and provides to the order of self output current.
Described second control unit 3 comprises further:
Judgment sub-unit (not shown), by the relatively more described output current reported from power supply of described main power source, in judgement, whether subcommand runs succeeded; If success, then terminate; Otherwise notify that the 4th controls subelement;
4th controls subelement (not shown), when on described judgment sub-unit judges, subcommand does not run succeeded, according to the actual output of the current power module from power supply and main power source issue the difference of the output current from power supply, main power source issues new output current again.
When described monitoring means 1 monitors prominent situation of unloading load, second control unit 3 controls to maintain the described output current from power supply, detect that load changes according to described main power source, issue that described first computation subunit 31 calculates immediately new output current to described from power supply, keep described super large power-supply system not overcurrent, and current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit 3.
When described monitoring means 1 monitors the situation of shock load, the described output current from power supply is controlled to limit by the second control unit 3, second control unit 3 control decontrol described main power source output current to maximum output current, the described load of impact is applied to described main power source, then the current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit 3.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (13)
1. a super large power-supply system, is characterized in that, described system comprises:
Main power source and at least one is from power supply;
The positive and negative busbar of described main power source to be describedly connected from the positive and negative busbar of power supply respectively with each;
Described main power source is communicated by bus from power supply with described;
If described super large power-supply system not bringing onto load time, described main power source and be describedly all in floating charge state from power supply, and the output current of described main power source and the described power module from power supply is in maximum output current state;
If during described super large power-supply system bringing onto load, carry out sharing control;
The flow process of described sharing control is:
Described main power source obtains the size of load, according to the described power module number that reports from power supply and described main power source with power module number, calculate the electric current that power module should export;
Information of voltage after output voltage is increased predetermined voltage deviation by the power module of described main power source is sent to described from power supply, the described order performing described information of voltage from power supply;
Described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
Described main power source controls self to decontrol and outputs current to maximum output current.
2. super large power-supply system according to claim 1, is characterized in that,
Described main power source is provided with battery; Described from power supply without battery.
3. super large power-supply system according to claim 1, is characterized in that, describedly communicates by specifying proprietary protocol from power supply with main power source.
4. super large power-supply system according to claim 1, is characterized in that, described from power supply by the power module number from power supply, from the power module rated current of power supply, output voltage, and alarm status reports described main power source by described bus; Described main power source issues control command to described from power supply by described bus.
5. a super large power-supply system method for supervising, is characterized in that, described method is for monitoring system according to claim 1, and described method comprises:
Monitor described super large power-supply system loading condition;
If described super large power-supply system not bringing onto load time, described main power source and be describedly all in floating charge state from power supply, and the output current of the power module of described main power source and the described power module from power supply is in maximum output current state;
If during described super large power-supply system bringing onto load, carry out sharing control;
Described sharing control comprises the following steps:
Described main power source obtains the size of load, according to the described power module number that reports from power supply and described main power source with power module number, calculate the electric current that power module should export;
Information of voltage after output voltage is increased predetermined voltage deviation by the power module of described main power source is sent to described from power supply, the described order performing described information of voltage from power supply;
Described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
Described main power source controls self to decontrol and outputs current to maximum output current.
6. super large power-supply system method for supervising according to claim 5, is characterized in that, described main power source comprises after controlling self to decontrol and outputing current to the step of maximum output current:
Described reporting from power supply outputs current to described main power source;
The relatively more described output current reported from power supply of described main power source, in judgement, whether subcommand runs succeeded;
If success, then terminate; Otherwise according to the actual output current of the current power module from power supply with send out the difference of output current, described main power source issues new output current order again.
7. super large power-supply system method for supervising according to claim 5, is characterized in that,
When described system monitoring is to prominent situation of unloading load, control to maintain the described output current from power supply;
Described main power source monitors load and changes, and issues new output current order immediately to described from power supply, keeps described super large power-supply system not overcurrent, the current-sharing between the power module being realized master and slave power supply by described sharing control.
8. super large power-supply system method for supervising according to claim 5, is characterized in that,
When described system monitoring is to the situation of shock load, the output current from power supply is stated in described main power source control limit residence, the output current of described main power source is decontroled to maximum output current, the described load of impact is applied to described main power source, the current-sharing between the power module being realized master and slave power supply by described sharing control.
9. super large power-supply system method for supervising according to claim 5, is characterized in that, described predetermined voltage deviation is 0.1 to 1.0V.
10. a super large power-supply system supervisory control system, is characterized in that, described system is for monitoring super large power-supply system according to claim 1, and described super large power-supply system supervisory control system comprises:
Monitoring means, for monitoring described super large power-supply system loading condition;
First control unit, for monitor at described monitoring means described super large power-supply system not bringing onto load time, control described main power source and be describedly all in floating charge state from power supply, and described main power source and the described power module output current from power supply are in maximum output current state;
Second control unit, during for monitoring described super large power-supply system bringing onto load at described monitoring means, carries out sharing control;
Described second control unit comprises:
First computation subunit, obtains the size of load by described main power source, according to the described power module number that reports from power supply and described main power source institute charged number of modules, calculate the output current that described main power source and the described power module from power supply should export;
First controls subelement, control described main power source the power module output voltage of main power source is increased predetermined voltage deviation after information of voltage be sent to described from power supply, the described order performing described information of voltage from power supply;
Second control subelement, control described main power source issue output current give described from power supply, described from Energy control self output current be the output current that described main power source issues;
3rd controls subelement, controls the order that the output current of main power source provided by described main power source.
11. super large power-supply system supervisory control systems according to claim 10, it is characterized in that, described second control unit comprises further:
Judgment sub-unit, by the relatively more described output current reported from power supply of described main power source, in judgement, whether subcommand runs succeeded; If success, then terminate; Otherwise notify that the 4th controls subelement;
4th controls subelement, when on described judgment sub-unit judges, subcommand does not run succeeded, according to the current power module from power supply actual export and main power source issue the difference of the output current from power supply, described main power source issues new output current again.
12. super large power-supply system supervisory control systems according to claim 10, is characterized in that,
When described monitoring means monitors prominent situation of unloading load, the second control unit controls to maintain the described output current from power supply;
Detect that load changes according to described main power source, issue that described first computation subunit calculates immediately new output current to described from power supply, keep described super large power-supply system not overcurrent, and current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit.
13. super large power-supply system supervisory control systems according to claim 10, is characterized in that,
When described monitoring means monitors the situation of shock load, the output current from power supply is stated in second control unit control limit residence, second control unit control decontrol described main power source output current to maximum output current, the described load of impact is applied to described main power source, the current-sharing between the power module being realized master and slave power supply by the sharing control of described second control unit.
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| CN103414103A (en) * | 2013-08-16 | 2013-11-27 | 中国科学院半导体研究所 | Driving power supply device of parallel connection expansion high-power all-solid-state laser |
| CN106877481B (en) * | 2015-12-14 | 2019-10-11 | 维谛技术有限公司 | A kind of power-supply system and method for parallel-operation expansion |
| CN106160020B (en) * | 2016-06-30 | 2018-08-07 | 温州大学 | Based on the parallel operation system current sharing energy evaluation method for flowing deviation expected matrix ∞ norms |
| JP6835676B2 (en) * | 2017-07-05 | 2021-02-24 | 株式会社ダイヘン | Power system, power supply, control method and control program |
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