CN205377296U - Active idle humorous carrier load generating device of low pressure - Google Patents
Active idle humorous carrier load generating device of low pressure Download PDFInfo
- Publication number
- CN205377296U CN205377296U CN201521104208.4U CN201521104208U CN205377296U CN 205377296 U CN205377296 U CN 205377296U CN 201521104208 U CN201521104208 U CN 201521104208U CN 205377296 U CN205377296 U CN 205377296U
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- load
- control cabinet
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- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 claims description 8
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000004308 accommodation Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to a power electronic control field especially relates to one kind and is applied to the device that the active idle harmonic of low pressure load takes place. Active idle humorous carrier load generating device of low pressure, its characterized in that: include the load control cabinet of being connected with the electric wire netting, the load control cabinet is connected with adjustable active load, still includes the passive resistive load generator of being connected with the load control cabinet, adjustable active load and passive resistive load generator parallelly connected. The utility model discloses a can simulate the electric energy quality problems that exist in the electric wire netting to it carries out the analysis to the electric energy quality problems that each electrical apparatus operation in -process produced to be convenient for personnel, and the people of being convenient for know the pollution that exists in the electric wire netting, and then also is convenient for people and comes to administer the pollution that exists in the electric wire netting.
Description
Technical field
This utility model relates to power electronics control field, particularly relates to a kind of device being applied to the idle harmonic load generation of low-voltage active.
Background technology
At present, along with rapid industrial development, converter, commutator, UPS, electric welding, machine tool, LED daylight lamp, the electrical equipments such as Switching Power Supply are used in a large number, the problem creating the various quality of power supply immediately, each big electrical equipment manufactures manufacturer's also utility model equipment of various improvement electric network pollution therewith, these equipment, effective load accurately is needed to debug, test, prior art does not have equipment can the pollution that produce in equipment running process be simulated, in the process of exploitation and control electric network pollution equipment, the equipment administering electric network pollution cannot be understood timely whether qualified.
Utility model content
For above-mentioned technical problem, this utility model devises a kind of power quality problem that can exist in simulating grid, consequently facilitating the power quality problem produced in each electric operation process is analyzed by personnel, be easy to people understand in electrical network exist pollution, and then also allow for people in electrical network exist pollution administer.
Realize the technical solution of the utility model as follows:
Low-voltage active is idle harmonic load generating means, it is characterized in that: include the load control cabinet being connected with electrical network, load control cabinet is connected to adjustable active load, also including the passive resistive load generator being connected with load control cabinet, described adjustable active load is in parallel with passive resistive load generator.
This utility model produces idle amount and harmonic current by adjustable active load, described adjustable active load can regulate idle amount and harmonic content, wherein 2-50 subharmonic can individually occur by single, simulation reduction degree is high, and the range of accommodation of adjustable active load described in the utility model is wide, this utility model can simulate idle amount and the harmonic current that each equipment in existing electrical network produces, it is simple to technical staff develops the abatement equipment of different electric network pollutions for different power equipments.
Described adjustable active load includes the cable being connected with electrical network, and cable is provided with protection assembly, and the end of cable is connected to inverter, and the protection assembly of setting is for ensureing the properly functioning of inverter.
Described protection assembly includes the short-circuit protection unit, voltage transformation unit, filtering protected location and the temperature conditioning unit that are arranged on cable; the short-circuit protection unit arranged is for the surge eliminated on electrical network and carries out short-circuit protection; voltage transformation unit realizes being converted to 380V voltage the voltage of 220V; filtering protected location can eliminate the harmonic wave of the various frequencies existed in electrical network; be conducive to the steady operation of inverter; the temperature conditioning unit arranged is for ensureing the properly functioning of whole equipment, it is to avoid overheated problem occur.
Described filtering protected location includes the electromagnetic interface filter, LCL inductance and the controllable type filter circuit that are successively set on cable.
Being at least connected with a passive resistive load generator on described load control cabinet, resistive load can be combined by this utility model, it is possible to control the meritorious capacity of resistive load as desired by load control cabinet.
In sum, this utility model has the advantages that
This utility model produces idle amount and harmonic current by adjustable active load, described adjustable active load can regulate idle amount and harmonic content, wherein 2-50 subharmonic can individually occur by single, simulation reduction degree is high, and the range of accommodation of adjustable active load described in the utility model is wide, this utility model can simulate idle amount and the harmonic current that each equipment in existing electrical network produces, it is simple to technical staff develops the abatement equipment of different electric network pollutions for different power equipments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the composition schematic diagram of adjustable active load；
In figure, 1 is adjustable active load, and 2 is passive resistive load generator, and 3 is load control cabinet; 4 is electrical network, and 11 is short-circuit protection unit, and 12 is voltage transformation unit, and 13 is electromagnetic interface filter; 14 is LCL inductance, and 15 is controllable type filter circuit, and 16 is inverter, and 17 is temperature conditioning unit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further illustrated.
The idle harmonic load generating means of low-voltage active as depicted in figs. 1 and 2, including the load control cabinet 3 being connected with electrical network, load control cabinet 3 is connected to adjustable active load 1, also including the passive resistive load generator 2 being connected with load control cabinet, described adjustable active load 1 is in parallel with passive resistive load generator 2.
This utility model produces idle amount and harmonic current by adjustable active load, described adjustable active load can regulate idle amount and harmonic content, wherein 2-50 subharmonic can individually occur by single, simulation reduction degree is high, and the range of accommodation of adjustable active load described in the utility model is wide, this utility model can simulate idle amount and the harmonic current that each equipment in existing electrical network produces, it is simple to technical staff develops the abatement equipment of different electric network pollutions for different power equipments.
Described adjustable active load includes the cable being connected with electrical network, and cable is provided with protection assembly, and the end of cable is connected to inverter 16, and the protection assembly of setting is for ensureing the properly functioning of inverter.
Described protection assembly includes the short-circuit protection unit 11, voltage transformation unit 12, filtering protected location and the temperature conditioning unit 17 that are arranged on cable; the short-circuit protection unit arranged is for the surge eliminated on electrical network and carries out short-circuit protection; voltage transformation unit realizes being converted to 380V voltage the voltage of 220V; filtering protected location can eliminate the harmonic wave of the various frequencies existed in electrical network; be conducive to the steady operation of inverter; the temperature conditioning unit arranged is for ensureing the properly functioning of whole equipment, it is to avoid overheated problem occur.
Described filtering protected location includes the electromagnetic interface filter 13, LCL inductance 14 and the controllable type filter circuit 15 that are successively set on cable.
Being at least connected with a passive resistive load generator 2 on described load control cabinet 3, resistive load can be combined by this utility model, it is possible to control the meritorious capacity of resistive load as desired by load control cabinet.
In sum, this utility model has the advantages that
This utility model produces idle amount and harmonic current by adjustable active load, described adjustable active load can regulate idle amount and harmonic content, wherein 2-50 subharmonic can individually occur by single, simulation reduction degree is high, and the range of accommodation of adjustable active load described in the utility model is wide, this utility model can simulate idle amount and the harmonic current that each equipment in existing electrical network produces, it is simple to technical staff develops the abatement equipment of different electric network pollutions for different power equipments.
Claims (2)
1. the idle harmonic load generating means of low-voltage active, it is characterized in that: include the load control cabinet being connected with electrical network, load control cabinet is connected to adjustable active load, also include the passive resistive load generator being connected with load control cabinet, described adjustable active load is in parallel with passive resistive load generator, described adjustable active load includes the cable being connected with electrical network, cable is provided with protection assembly, the end of cable is connected to inverter, described protection assembly includes the short-circuit protection unit being arranged on cable, voltage transformation unit, filtering protected location and temperature conditioning unit, described filtering protected location includes the electromagnetic interface filter being successively set on cable, LCL inductance and controllable type filter circuit.
2. the idle harmonic load generating means of low-voltage active according to claim 1, it is characterised in that: described load control cabinet has been at least connected with a resistive load generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104208.4U CN205377296U (en) | 2015-12-25 | 2015-12-25 | Active idle humorous carrier load generating device of low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104208.4U CN205377296U (en) | 2015-12-25 | 2015-12-25 | Active idle humorous carrier load generating device of low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377296U true CN205377296U (en) | 2016-07-06 |
Family
ID=56257392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104208.4U Expired - Fee Related CN205377296U (en) | 2015-12-25 | 2015-12-25 | Active idle humorous carrier load generating device of low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205377296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856094A (en) * | 2020-07-27 | 2020-10-30 | 江苏莱提电气股份有限公司 | Harmonic current generating device and method for controlling harmonic current stepless linear output |
| CN113109611A (en) * | 2021-04-15 | 2021-07-13 | 歌瑞宇航电子(天津)有限公司 | Active load for medium-low voltage power supply test |
-
2015
- 2015-12-25 CN CN201521104208.4U patent/CN205377296U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856094A (en) * | 2020-07-27 | 2020-10-30 | 江苏莱提电气股份有限公司 | Harmonic current generating device and method for controlling harmonic current stepless linear output |
| CN113109611A (en) * | 2021-04-15 | 2021-07-13 | 歌瑞宇航电子(天津)有限公司 | Active load for medium-low voltage power supply test |
| CN113109611B (en) * | 2021-04-15 | 2022-09-13 | 歌瑞宇航电子(天津)有限公司 | Active load for medium-low voltage power supply test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU HUATANG ELECTRICAL APPLIANCE Co.,Ltd. Assignor: JIANGSU HUAGUAN ELECTRICAL EQUIPMENT GROUP Co.,Ltd. Contract record no.: 2017320000021 Denomination of utility model: Active idle humorous carrier load generating device of low pressure Granted publication date: 20160706 License type: Common License Record date: 20170224 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |