WO2023203129A1 - Système et procédé de distribution électrique - Google Patents
Système et procédé de distribution électrique Download PDFInfo
- Publication number
- WO2023203129A1 WO2023203129A1 PCT/EP2023/060265 EP2023060265W WO2023203129A1 WO 2023203129 A1 WO2023203129 A1 WO 2023203129A1 EP 2023060265 W EP2023060265 W EP 2023060265W WO 2023203129 A1 WO2023203129 A1 WO 2023203129A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current
- opening
- cut
- circuit breaker
- switch
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/063—Details concerning the co-operation of many similar arrangements, e.g. in a network
Definitions
- the present invention relates to electrical distribution, and more particularly low voltage electrical distribution.
- low-voltage electrical distribution panels are used to manage and distribute electricity, for example in a home.
- Low voltage means a voltage less than 1000 V in alternating mode.
- These panels make it possible to electrically connect the electrical network using electrical circuits to equipment.
- These tables are complex because they generally include various protection devices, such as circuit breakers, differentials and with varying breaking capacities, or contactors. Generally speaking, these devices operate autonomously, but can be controlled manually.
- French patent application FR2819951 discloses an electrical distribution system comprising a controlled cutting device and four feeders.
- the device includes control means for controlling the cutting device.
- the device includes current sensors and control means for controlling the opening of departures. But in the event of a short circuit on a feeder, the cut-off device opens and all feeders are no longer supplied with current. The system therefore does not make it possible to isolate the faulty feeder so as to maintain a power supply to the other feeders which are not faulty.
- One aim is to overcome these drawbacks, and more particularly to provide simple means to limit power losses to electrical equipment in the event of an electrical fault.
- an electrical distribution system comprising a connection input intended to be coupled to an incoming electrical line, an electrical distribution line, a controlled circuit breaker having an input terminal coupled to the connection input and an output terminal coupled to the electrical distribution line, switching devices controlled and coupled to the electrical distribution line, electrical distribution feeders intended to supply electrical circuits, each feeder being coupled to a switching device cut-off, and an electronic control unit configured to control the opening and closing of the cut-off devices.
- the system includes a controlled switch comprising two thyristors mounted in a head-to-tail manner, the switch being coupled to the input and output terminals of the circuit breaker, and in that the electronic control unit is further configured to control the opening and closing of the switch and circuit breaker.
- an electrical distribution method comprising a coupling of a connection input of an electrical distribution system, as defined above, to an incoming electrical line, a coupling of the outgoing electrical distribution of the system to the electrical circuits, and a closing of the circuit breaker and disconnecting devices of the system to energize the electrical circuits.
- Figure 1 illustrates schematically an embodiment of an electrical distribution system
- Figure 2 schematically illustrates another embodiment of an electrical distribution system.
- the system comprises devices for measuring the currents circulating in the cut-off devices coupled to the electronic control unit, the electronic control unit being configured to control the opening of a cut-off device when the current circulating in the cutting device is greater than or equal to a first fault current threshold and less than or equal to a second fault current threshold, the second threshold being strictly greater than the first threshold.
- the electronic control unit is configured to control the opening of a cut-off device when the current circulating in the cut-off device is less than or equal to a cut-off current threshold.
- the electronic control unit is configured to control the opening of the switch when the current circulating in the switch is less than or equal to an opening current threshold.
- the electronic control unit is configured to control the opening of the circuit breaker, when a current circulating in a cutting device is strictly greater than the second fault current threshold, to control the opening of the switching device cut-off, to control the closing of the switch after opening the cut-off device, and to control the closing of the circuit breaker after opening the cut-off device.
- the breaking device can be opened without having to wait for the fault current to go to zero.
- the switch is closed before closing the circuit breaker in order to be able to re-energize the electrical circuits which are not faulty as quickly as possible.
- closing the controlled circuit breaker requires a reset time before closing which can be longer than the closing time of the switch.
- the circuit breaker reset time can be at least one second.
- the electronic control unit is configured to control the opening of the switch after closing the circuit breaker.
- a first current of a first phase is intended to flow at the connection input
- the system comprising a device for detecting a leakage current configured to measure a difference between the first current and a second current intended to power the electrical circuits and having a second phase distinct from that of the first current, the electronic control unit being configured to, when a current difference is greater than or equal to a leakage current threshold, control the opening , successively, of each cutting device so as to determine the faulty cutting device generating the current difference.
- the method comprises measurements of the currents circulating in the cut-off devices, and an opening of a cut-off device when a current circulating in the cut-off device is greater than or equal to a first fault current threshold and less than or equal to a second fault current threshold.
- the opening of a cut-off device is carried out when the current circulating in the cut-off device is less than or equal to a cut-off current threshold.
- the switch opens when the current circulating in the switch is less than or equal to an opening current threshold.
- the method comprises opening the circuit breaker, when a current circulating in a cut-off device is strictly greater than the second fault current threshold, then opening the cut-off device, then closing the switch, then closing the circuit breaker.
- the method includes opening the switch after closing the circuit breaker.
- a current of a first phase circulates at the connection input
- the method comprises a measurement of a difference between the first current and a second current supplying the electrical circuits and having a phase distinct from that of the first current, and comprising, when a current difference is greater than or equal to a leakage current threshold, a successive opening of each cut-off device so as to determine the faulty cut-off device generating the current difference.
- the expression "A coupled to B” or “A electrically coupled to B” is synonymous with "A is in electrical connection with B” and does not necessarily mean that it does not there is no organ between A and B.
- these expressions mean an electrical connection between two elements, this connection which may or may not be direct, this means that it is possible that between a first device A and a second device B which are electrically connected, a current flows in A, in B, and on the path connecting A to B, this path may or may not include other electrical equipment.
- directly electrically connected means a direct electrical connection between two elements. This means that between a first device A and a second device B which are directly electrically connected no other equipment is present, other than one electrical connection or several electrical connections.
- the term “electrically placed” or “electrically located” means the positioning of a device on a line in which a current flows.
- an electrical distribution system 1 comprising a controlled circuit breaker 2, controlled breaking devices 3 to 10 and an electronic control unit 11.
- the system 1 comprises first, second and third connection inputs 12 to 14 intended to be coupled respectively to three electrical lines arrival 15 to 17.
- the system 1 is adapted to distribute a single-phase alternating current, that is to say that the system 1 is configured to be electrically coupled to two power lines 15, 16, and a line, called earth or ground 17.
- a first power line 15 corresponds to the first line 15, called phase
- the second power line 16 corresponds to the second line 16, called neutral.
- the system further comprises first, second and third electrical distribution lines 18 to 20 electrically coupled to the respective connection inputs 12 to 14.
- the circuit breaker 2 comprises an input terminal 21 coupled to the first connection input 12 and a output terminal 22 coupled to the first electrical distribution line 18.
- the circuit breaker 2 is configured to let the electric current flow, circulating in the first line 15, and protect downstream equipment against damage caused by excessive current, i.e. that is to say an overcurrent.
- downstream equipment is meant equipment electrically coupled to the output terminal 22 of the circuit breaker 2, for example the cut-off devices 3 to 10.
- the circuit breaker 2 comprises a cut-off member 23 capable of opening to interrupt current and protect downstream equipment, and to close to allow current to flow and power downstream equipment.
- Circuit breaker 2 has overcurrent breaking capacity, that is to say it is configured to open in the event of an overcurrent without damaging.
- the breaking capacity is characterized by the maximum intensity of the current which would pass if no circuit breaker interrupted it.
- the breaking capacity of circuit breaker 2 can be greater than or equal to 3 kA, for example greater than or equal to 6 kA.
- there are two types of overcurrent a low overcurrent, for example an overload, and a high intensity, for example a short circuit.
- An overload can be caused by an overabundance of electrical equipment.
- a short circuit can correspond to an increase in intensity beyond a trip current defined by a circuit breaker trip curve.
- a circuit breaker trips, that is to say opens the circuit, according to its characteristics according to a curve representing the tripping of the circuit breaker as a function of the intensity passing through it and the time, called tripping curve .
- the trip curve refers to the graphical representation of the behavior of the circuit breaker.
- the nominal current In noted as nominal intensity, corresponds to the normal intensity that the circuit breaker can permanently withstand at ambient temperature. Beyond the nominal current In (with a tolerance corresponding to 1.2*ln), the circuit breaker trips and cuts the current.
- a circuit breaker can withstand a higher intensity, that is to say an intensity greater than 1.2*ln, for a duration determined by the curve, in particular a very short duration.
- a trigger curve also has a limit corresponding to the magnetic trigger intensity (or trigger threshold).
- the magnetic tripping intensity varies according to the circuit breaker curve.
- the circuit breaker 2 is magnetic, that is to say it comprises a coil in which the current flows, which creates a magnetic field to move the cut-off member 23 in the event of overcurrent.
- the circuit breaker 2 is controlled, that is to say it comprises a control unit 24 configured to open and close the cut-off member 24 when it receives a command.
- the control unit 24 is electrically coupled, preferably directly, by a connection not shown for simplification purposes, to the electronic control unit 11 which can transmit an opening and closing command to the control unit 24 of circuit breaker 2.
- the cutting devices 3 to 10 are electrically coupled to the power lines 15, 16.
- a cutting device 3 to 10 is for example a switch comprising a movable element 25, 26 for opening and closing a circuit.
- a cutting device 3 to 10 can be an electromechanical relay, that is to say electrical equipment comprising a control part 27 for issuing a closing or opening order to one or two mobile elements 25, 26 of the device cutoff device 3 to 10.
- a cutoff device 3 to 10 can be a bipolar contactor, preferably bistable.
- each cutting device 3 to 10 is controlled, that is to say that each control part 27 is electrically coupled, preferably directly, by a connection not shown for simplification purposes, to the control unit. electronic control 11 which can transmit an opening and closing command to the control part 27 of the cutting device 3 to 10.
- a breaking device 3 to 10 has a low breaking capacity strictly lower than that of circuit breaker 2.
- a cutting device has a breaking capacity less than or equal to 50 A. that is to say that it is not possible to control the opening of the mobile element 25, 26 when a current greater than or equal to a cut-off current threshold passes through the mobile element 25, 26 in position closed.
- the cut-off current threshold is close to 0 A.
- the current flowing through the device must be less than or equal to the cut-off current threshold.
- Such cutting devices are simpler than circuit breakers, which simplifies the system 1.
- each cutting device 2 comprises at least one mobile element 25, 26, at least one input terminal 28, 29 electrically coupled to at least one distribution line among the first and second distribution lines 18, 19, and at least one output terminal 30, 31, electrically coupled to at least one movable element 25, 26.
- a cutting device 3 to 10 can comprise a single movable element 25 electrically coupled to a first input terminal 28 and to a first output terminal 30 to open or close the first distribution line 18.
- a cutting device 2 comprises two mobile elements 25, 26 coupled respectively to the input terminals 28, 29 and to the output terminals 30, 31 of the cutting device 3 to 10.
- a first mobile element 25 can open and close the first distribution line 18 and a second mobile element 26 can open and close the second distribution line 19. More particularly, the cutting devices are controlled
- system 1 includes electrical distribution feeders 40, 41.
- Each feeder 40, 41 is intended to power an electrical circuit 100 to 103 comprising one or more electrical equipment 200 to 203, as illustrated in Figure 2.
- Each feeder 40, 41 is also electrically coupled, preferably directly, to a terminal output 30, 31, of a cutting device 3 to 10.
- an electrical distribution system 1 particularly suitable for a domestic network, that is to say a network powered by a current single-phase alternating.
- a first circuit 100 comprising a washing machine 200
- a second circuit 101 comprising an air conditioner 201
- a third circuit 102 comprising a water heater 202
- fourth circuit 103 comprising an electrical outlet 203, for example intended to be coupled to a lamp.
- Each electrical circuit 100 to 103 comprises at least two conductors 300, 301 intended to be electrically coupled, preferably directly, respectively to two feeders 40, 41 of the system 1.
- each electrical circuit 100 to 103 comprises two conductors 300, 301 electrically coupled to the output terminals 30, 31 of a cutting device 3 to 10.
- an electrical circuit 102 may comprise a third conductor 302, called earth, coupled to the third distribution line 20.
- the electronic control unit 11 is configured to control the opening and closing of the cut-off devices 3 to 10.
- the electronic control unit 11 may comprise a microprocessor.
- the electronic control unit 11 comprises a microcontroller capable of performing calculations quickly to control the cutting devices 3 to 10 as quickly as possible.
- the electronic control unit 11 is configured to control the opening and closing of the circuit breaker 2.
- the system 1 comprises a controlled switch 50 coupled to the input 21 and output 22 terminals of the circuit breaker 2.
- the switch 50 is mounted in parallel with the circuit breaker 2, that is to say it is mounted on a line parallel 51 to the circuit breaker 2.
- the switch 50 is also configured to open or close the parallel line 51 to respectively prevent and allow current flow in the parallel line 51 between the input terminal 21 and the output terminal 22 of the circuit breaker 2.
- the switch 50 is also electrically coupled, preferably directly, by a connection not shown for simplification purposes, to the electronic control unit 11 which can transmit an opening and closing command to the switch 50.
- the switch 50 comprises two thyristors 52, 53 mounted head-to-tail, or antiparallel, such a switch is also called a triac (or Triode for alternating current in English, that is to say triode for alternating current).
- a thyristor is a semiconductor electronic switch with three terminals, that is to say comprising four layers of silicon doped alternately by acceptors (P) and donors (N).
- P acceptors
- N donors
- a thyristor has two main terminals, denoted anode and cathode, located on either side of the four PNPN layers.
- the third terminal called the trigger, is used to control the thyristor.
- the third terminal is electrically coupled to the P layer located on the cathode side.
- the thyristors 52, 53 of a triac are mounted head-to-tail, that is to say in an antiparallel manner, that is to say that the anode of a thyristor 52, 53 is coupled directly to the cathode of the other thyristor 53, 52. More precisely, the anode of a first thyristor 52 is coupled directly to the cathode of a second thyristor 53 and the anode of the second thyristor 53 is coupled directly to the cathode of the first thyristor 52. Furthermore their respective triggers are controlled simultaneously.
- the triac is closed by a closing command applied to the triggers of the two thyristors 52, 53 and lets the current flow as long as the current is greater than or equal to a threshold called holding current (generally, the holding current is equal to at 0.65 A).
- the closing command can be pulsed because the current passing through the triac no longer depends on the command applied to the triggers. In other words, the triac remains conducting until the current flowing between input terminal 21 and output terminal 22 falls below the value of the holding current.
- the closing command is applied continuously to the triggers when we want the triac to be closed.
- An opening command applied to the triggers opens the triac which is no longer active.
- the parallel line 51 may include a resistor 54 located between the input terminal 21 and the switch 50.
- the resistor 54 is also called a current limiting resistor.
- a triac offers the advantage of having a low volume, less than or equal to 1 cm3, which allows for a more compact system 1.
- a triac has a faster closing speed than an electromechanical relay.
- a triac can have a closing speed of 1 ms or less. Thus, we can re-energize the electrical circuits as quickly as possible after opening circuit breaker 2.
- system 1 is suitable for managing the power supply of several electrical circuits, using at least one circuit breaker 2 and a switch 50, particularly in the event of overcurrent, which makes the system simple and effective.
- the system 1 comprises devices 60 to 67 for measuring the currents circulating in the cut-off devices 3 to 10.
- a measuring device 60 to 67 may comprise a resistance electrically coupled between an input terminal 28, 29 a cutting device 3 to 10 and a connection input 12 to 14, depending on the current that we wish to measure.
- a measuring device 60 to 67 comprises a resistor electrically coupled between the first input terminal 28 of a cutting device 3 to 10 and the output terminal 22 of circuit breaker 2, in order to measure the current circulating in the first distribution line.
- a measuring device 60 to 67 may comprise a hall effect sensor electrically coupled between an input terminal 28, 29 of a cutting device 3 to 10 and a connection input 12 to 14.
- the measuring devices 60 to 67 are electrically coupled, preferably directly, by connections not shown for simplification purposes, to the electronic control unit 11.
- the electronic control unit 11 can control the circuit breaker 2, the cutting devices 3 to 10 and the switch 50, depending on the values of the currents circulating in the cutting devices 3 to 10, that is to say in the electrical circuits coupled to the cutting devices 3 to 10.
- the electronic control unit 11 is configured to control the opening of the faulty cutting device.
- the electronic control unit 11 receives the measurement of an overload current transmitted by the measuring device 60 to 67 which is coupled to the faulty cut-off device 3 to 10.
- the electronic control unit 11 controls the opening of the cutting device 3 to 10 faulty.
- the second threshold is strictly greater than the first threshold.
- the first fault current threshold may be equal to 10*ln and the second fault current threshold may be equal to 1000*ln.
- the nominal current In can be equal to 32 A.
- the electronic control unit 11 is configured to control the opening of a cut-off device 3 to 10 when the current circulating in the cut-off device 3 to 10 is less than or equal to a cut-off current threshold.
- the cutting current threshold may be equal to the breaking power of the cutting device 3 to 10.
- the cutting current threshold may be less than or equal to 50 A, for example between 0.1 and 0.5 HAS.
- the electronic control unit 11 is configured to control the opening of the circuit breaker 2.
- the electronic control unit 1 1 receives the measurement of a high intensity current transmitted by the measuring device 60 to 67 which is coupled to the cutting device 3 to 10 in default.
- the electronic control unit 11 controls the opening of the circuit breaker 2.
- the electronic control unit 11 controls opening the faulty cut-off device 3 to 10, in order to electrically isolate the electrical circuit coupled to the faulty cut-off device.
- the circuit breaker 2 since the circuit breaker 2 is open, there is no current circulating in the cutting devices, in particular on the distribution line electrically coupling the output terminal of the circuit breaker 2 and the mobile element 25, and we can therefore control the opening of the mobile element 25 without waiting for the zero crossing current.
- the current crossing to zero corresponds to the fact that the current circulating in one of the first and second distribution lines 18, 19 is less than or equal to the cut-off current threshold.
- a cutting device 3 to 10 comprises two mobile elements 25, 26, we wait for the current circulating in the second distribution line 19 to go to zero to control the opening of the second mobile element 26.
- a cutting device 3 to 10 comprises two mobile elements 25, 26, by controlling the opening and closing of the cutting device 3 to 10 we mean the opening and closing of the two mobile elements 25, 26 of the cutting device 3 to 110.
- the electronic control unit 11 controls the closing of the switch 50, in order to power the electrical circuits which are not faulty.
- the electronic control unit 11 is electrically coupled upstream of the circuit breaker 2 in order to be able to control the switch 50, in particular its closing, after opening of the circuit breaker 2.
- the electronic control unit 11 is electrically coupled to connection inputs 12 to 14 and to power lines 15 to 17 for its electrical supply.
- the electronic control unit 11 is configured to control the opening of the switch 50 when the current circulating in the switch 50 is less than or equal to an opening current threshold.
- the opening current threshold may be greater than or equal to the cutting current threshold of the cutting devices 3 to 10.
- the opening current threshold is less than or equal to 50 A, preferably between 0, 1 A and 0.5 A.
- the electronic control unit 11 controls the closing of the circuit breaker 2, in order to put the protection, in particular the protection against high overcurrents, into operation again.
- the electronic control unit 11 is configured to control, after the closing of the circuit breaker 2, the opening of the switch 50, in particular to avoid allowing a supply current to circulate in the switch 50 and thus limit the wear of switch 50.
- the system 1 can comprise a device 70 for detecting a leakage current configured to measure a difference between a first current circulating in the first power line 15 and a second current circulating in the second power line. power supply 16.
- a leakage current corresponds to a current difference (in amperes) between the two power lines 15, 16.
- the detection device 70 is electrically coupled, preferably directly, by a connection not shown for purposes of simplification, to the electronic control unit 11.
- the electronic control unit 11 is configured to receive the value of the leakage current detected by the detection device 70.
- the electronic control unit 11 when the electronic control unit 11 receives, detection device 70, a leakage current greater than or equal to a leakage current threshold, the electronic control unit is configured to determine the faulty cut-off device corresponding to the cut-off device 3 to 10 which is coupled to the electrical circuit which generates the leakage current.
- the electronic control unit 11 controls the opening of the faulty cutting device.
- the electronic control unit 11 is configured to control the opening, successively, of each cutting device 3 to 10.
- the electronic control unit 1 1 controls the opening of a first cutting device 3 to 10, and if the leakage current disappears, that is to say if the current detected by the detection device 70 is strictly lower than the leakage current threshold, the cut-off device 3 to 10 which is open corresponds to the faulty cut-off device. Otherwise, the electronic control unit 11 controls the closing of the cut-off device 3 to 10 which is open and controls the opening of a second cut-off device 3 to 10 and again compares the current detected by the device detection 70 with the leakage current threshold. The electronic control unit 11 performs the preceding operations, namely opening a breaking device, comparing the detected leakage current with the leakage current threshold, until determining the faulty breaking device for which the detected leakage current is strictly lower than the leakage current threshold.
- An electrical distribution method can be implemented by system 1 as defined above.
- the system which has just been described advantageously makes it possible to manage faults of overcurrent, overload and short circuit and leakage currents using a suitable electronic control unit. Thanks to such an electronic control unit, protection devices which are simple can be used to provide a low-complexity electrical distribution system while guaranteeing effective protection for electrical circuits and people.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Distribution Board (AREA)
- Keying Circuit Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024562199A JP2025513498A (ja) | 2022-04-22 | 2023-04-20 | 配電システムおよび配電方法 |
KR1020247038309A KR20250002558A (ko) | 2022-04-22 | 2023-04-20 | 전기 분배 시스템 및 방법 |
EP23720606.5A EP4511934A1 (fr) | 2022-04-22 | 2023-04-20 | Système et procédé de distribution électrique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2203739A FR3134927B1 (fr) | 2022-04-22 | 2022-04-22 | système et procédé de distribution électrique |
FRFR2203739 | 2022-04-22 |
Publications (1)
Publication Number | Publication Date |
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WO2023203129A1 true WO2023203129A1 (fr) | 2023-10-26 |
Family
ID=82694147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2023/060265 WO2023203129A1 (fr) | 2022-04-22 | 2023-04-20 | Système et procédé de distribution électrique |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4511934A1 (fr) |
JP (1) | JP2025513498A (fr) |
KR (1) | KR20250002558A (fr) |
FR (1) | FR3134927B1 (fr) |
WO (1) | WO2023203129A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814932A (en) * | 1986-07-03 | 1989-03-21 | La Telemecanique Electrique | Device for protection against short circuits for AC networks and current limiting circuit breaker appropriate for such a device |
JP2000166084A (ja) * | 1998-11-24 | 2000-06-16 | Mitsubishi Electric Corp | 配電システム |
FR2819951A1 (fr) | 2001-01-22 | 2002-07-26 | Schneider Electric Ind Sa | Dispositif de distribution electrique, installation comportant un tel dispositif, et procede de protection electrique |
US20130027829A1 (en) * | 2011-07-28 | 2013-01-31 | Abb S.P.A. | System and method for protecting an electrical grid against faults |
WO2014047733A1 (fr) | 2012-09-27 | 2014-04-03 | Rajiv Kumar Varma | Technique de gestion de détection de défaillance et de courant de court-circuit pour des générateurs distribués (dg) basés sur des onduleurs |
-
2022
- 2022-04-22 FR FR2203739A patent/FR3134927B1/fr active Active
-
2023
- 2023-04-20 KR KR1020247038309A patent/KR20250002558A/ko active Pending
- 2023-04-20 EP EP23720606.5A patent/EP4511934A1/fr active Pending
- 2023-04-20 JP JP2024562199A patent/JP2025513498A/ja active Pending
- 2023-04-20 WO PCT/EP2023/060265 patent/WO2023203129A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4814932A (en) * | 1986-07-03 | 1989-03-21 | La Telemecanique Electrique | Device for protection against short circuits for AC networks and current limiting circuit breaker appropriate for such a device |
JP2000166084A (ja) * | 1998-11-24 | 2000-06-16 | Mitsubishi Electric Corp | 配電システム |
FR2819951A1 (fr) | 2001-01-22 | 2002-07-26 | Schneider Electric Ind Sa | Dispositif de distribution electrique, installation comportant un tel dispositif, et procede de protection electrique |
US20130027829A1 (en) * | 2011-07-28 | 2013-01-31 | Abb S.P.A. | System and method for protecting an electrical grid against faults |
WO2014047733A1 (fr) | 2012-09-27 | 2014-04-03 | Rajiv Kumar Varma | Technique de gestion de détection de défaillance et de courant de court-circuit pour des générateurs distribués (dg) basés sur des onduleurs |
Also Published As
Publication number | Publication date |
---|---|
EP4511934A1 (fr) | 2025-02-26 |
KR20250002558A (ko) | 2025-01-07 |
FR3134927A1 (fr) | 2023-10-27 |
JP2025513498A (ja) | 2025-04-24 |
FR3134927B1 (fr) | 2024-10-18 |
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