CN204012713U - Anti-harmonic reactive-load compensation capacitance module device - Google Patents
Anti-harmonic reactive-load compensation capacitance module device Download PDFInfo
- Publication number
- CN204012713U CN204012713U CN201420393449.4U CN201420393449U CN204012713U CN 204012713 U CN204012713 U CN 204012713U CN 201420393449 U CN201420393449 U CN 201420393449U CN 204012713 U CN204012713 U CN 204012713U
- Authority
- CN
- China
- Prior art keywords
- harmonic
- module
- reactive
- protection device
- dynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to a kind of anti-harmonic reactive-load compensation capacitance module device and comprises breaker module, current transformer module, dynamic noncontacting switch module, reactance module, harmonic protection device module, the switching signal input part submodule composition that is connected with building-out capacitor module and radiator fan.It can improve the power factor of system, reduce energy consumption, improve grid voltage quality, stabilizing equipment operation, is improving mains supply efficiency, when improving the quality of power supply, in addition filtering of the harmonic wave effectively load being produced, it can effectively save the installing space of equipment simultaneously, make its internal structure succinct, maintain easily, improve reliability, the fail safe of reactive power compensator, reduce maintenance technology difficulty.
Description
Technical field
The present invention relates to a kind of reactive power compensator, especially relate to anti-harmonic wave reactive power dynamic compensation device.
Background technology
At present, the application of power electronic equipment is increasingly general, and power electronic equipment is absolutely necessary in process of production, as PC, and air-conditioning equipment, illumination machine, elevator, DC motor, frequency converter, intermediate frequency furnace, Medical Devices etc.The harmonic wave that these non-linear electrical equipments produce, it can cause waste of energy, reduce power system capacity, acceleration equipment aging, reduce productivity ratio, can cause distribution system itself or be connected to other device fails in this system.In the serious occasion of harmonic wave, common electric capacity reactive power compensation device and the now conventional dynamic capacitance reactive compensation device of low-voltage network do not possess filter function, the not only harmonic wave unrestraint effect to civilian electric low-voltage network, and can increase harmonic wave interference coefficient to its amplification of harmonic wave.
Summary of the invention
In order to solve appeal technical problem, the invention provides a kind of anti-harmonic reactive-load compensation capacitance module device, it is mainly for the harmonic characterisitic of low-voltage distribution, complete the reactive power compensation effect of filtering harmonic wave of holding concurrently, be characterized in improving the power factor of system, improve grid voltage quality, stablized equipment operation.
To achieve these goals, the technical solution adopted in the present invention is:
Anti-harmonic reactive-load compensation capacitance module device comprises breaker module, current transformer module, dynamic noncontacting switch module, reactance module, harmonic protection device module, the switching signal input part submodule composition that is connected with building-out capacitor module and radiator fan.
The technical scheme adopting is such, the 380V three-phase four-wire system voltage access miniature circuit breaker 4 of low-voltage bus bar input, and current transformer 5 is sent on output one tunnel of miniature circuit breaker 4, and harmonic protection device 3 is sent on another road, and accesses a 380V interchange radiator fan 9; Then 380V alternating current is linked into dynamic noncontacting switch 6 by current transformer 5, accesses and on compensates electric capacitor 8, completes primary circuit and connect through reactor 7; Outside 12V switching signal is linked on control signal binding post 1, finally be linked into the control signal end of dynamic noncontacting switch 6 through the normally-closed contact of harmonic protection device 3, control unlatching and the shutoff of dynamic noncontacting switch 9 with this, thereby complete input and the excision of capacitor; The ac signal that harmonic protection device 3 accesses by sampling current transformer 5 and miniature circuit breaker 4; thereby calculate harmonic wave and the size of current in this loop; and by electric current, harmonic number and the relevant alarm operation in display screen 2 these loops of real-time display screen; the logical real-time over-sampling value of harmonic protection device 3 is compared with inner set parameter; make corresponding warning and overcurrent, ultraharmonics protection, overcurrent or ultraharmonics and all can make the 12V control signal dropping into disconnect, make loop not drop into power capacitor 8.
The invention has the beneficial effects as follows:
1, anti-harmonic reactive-load compensation capacitance module device is saved the installing space of equipment, make its internal structure succinct, maintain easily, improve reliability, the fail safe of reactive power compensator, reduce maintenance technology difficulty.
2, provide necessary reactive power by means of reactive power compensator, to improve the power factor of system, reduce energy consumption, improve grid voltage quality, stabilizing equipment operation, improving mains supply efficiency, when improving the quality of power supply, in addition filtering of the harmonic wave effectively load being produced, thereby the harmonic wave of civilian electric low-voltage network is suppressed in GB allowed band, the harm of avoiding harmonic current to produce power supply unit, improves the quality of power supply of civilian electric low-voltage network and safe, stable, the economical operation of electrical network.
3, adopt cordwood system type integration mode, multiple stand-alone unit are organically incorporated to one, be placed in a control cabinet the inside, greatly facilitated installation distribution and the maintenance and repair of job site, effectively reduced installation volume.
Brief description of the drawings
Fig. 1: anti-harmonic reactive-load compensation capacitance module apparatus system block diagram.
Fig. 2: anti-harmonic reactive-load compensation capacitance module device harmonic protection device electricity theory diagram.
Fig. 3: the inner connection layout of anti-harmonic reactive-load compensation capacitance module device.
Embodiment
Fig. 1 is anti-harmonic reactive-load compensation capacitance module apparatus system block diagram, and anti-harmonic reactive-load compensation capacitance module device includes miniature circuit breaker, current transformer, dynamically noncontacting switch, reactor, power capacitor, harmonic protection device, display screen, control signal binding post and 380V radiator fan form.In Fig. 1, harmonic protection device 3 plays an important role, and it is by total current and the harmonic current of current transformer 5 monitoring modulars; In the time that total current exceeds set point, three-phase current unbalance and always harmonic wave transfinites, disconnect by harmonic protection device 3 internal relays the 12V input signal that control signal binding posts are come in; disconnect dynamic noncontacting switch 6 power capacitor 8 is disconnected thereby export control signal simultaneously, thereby play the protection of transfiniting of overcurrent, current imbalance, harmonic wave.
Dynamic noncontacting switch feature in Fig. 1: dynamically noncontacting switch is controlled with controllable silicon, therefore do not have spark, having made up contact switch compound tense has the deficiency of spark, avoids occurring spark because electric current is excessive or in high voltage circuit, puncture air, causes misoperation.Dynamically noncontacting switch is in voltage zero-cross conducting; Current over-zero excision; Fast response time (≤10ms); And there is temperature discretionary protection.
Complete machine workflow: low-voltage bus bar input 380V AC three-phase four-wire system voltage is linked into anti-harmonic reactive-load compensation capacitance module device by miniature circuit breaker 4; when dropping on signal is linked into harmonic protection device relay output point by control signal binding post, outside 12V again signal is offered to dynamic noncontacting switch; make its dynamic noncontacting switch conducting; three-phase voltage is linked on capacitor by reactor again, completes an electric capacity and drops into.Reactor is for eliminating the harmonic wave of circuit; harmonic protection device detects the total humorous size of current that involves of its system by current transformer; in the time exceeding the setting of our setting, its output relay disconnects 12V input signal; excise the power capacitor in its circuit thereby disconnect dynamic noncontacting switch, complete protection operation.
Fig. 2 is anti-harmonic reactive-load compensation capacitance module device harmonic protection device electricity theory diagram, the workflow of harmonic protection device is as follows: 220V alternating voltage is input to transformer, by transformer, 220V alternating voltage voltage is reduced to 5V low-voltage ac voltage, 5V low-voltage ac voltage is input to 3.3V DC voltage-stabilizing module by rectifying and wave-filtering, transfer voltage to stable 3.3V direct voltage, for each peripheral module below provides power supply, simultaneously also for main control MCU provides power supply; MCU gathers electric current and voltage by current transformer and three-phase alternating voltage sampling module, and obtains the harmonic content in its loop by analytical calculation; MCU checks current/voltage and harmonic content by peripheral button, and revises its inner parameter by it, makes us that the function needing protection can be set very easily.MCU will collect to obtain electric current and voltage and harmonic content and current real-time the showing by display module of operating state, facilitates us to consult and safeguards in time the components and parts that break down; MCU also can upload to above parameter on our personal computer and the webserver by 485 communication modules, realizes remote monitoring; In the time that overcurrent and three-phase imbalance and harmonic wave excess thereof are made protection, MCU is by the work of control relay protection module, and disconnecting external signal, avoids its component wear to cause serious consequence.
Fig. 3 is the inner connection layout of anti-harmonic reactive-load compensation capacitance module device, and whole module is arranged in a control cabinet, flexible for installation, easy to maintenance, simple to operate.In Fig. 3,1 is
The content that this specification is not described in detail belongs to and well known to a person skilled in the art prior art; although oneself is illustrated the present invention and is described by relevant case study on implementation; but; those skilled in the art should be understood; in the scope of claims; can do the various variation in form and details, therefore protection scope of the present invention is when being as the criterion with claims.
Claims (2)
1. an anti-harmonic reactive-load compensation capacitance module device, it is characterized in that: the 380V three-phase four-wire system voltage access miniature circuit breaker (4) of low-voltage bus bar input, current transformer (5) is sent on output one tunnel of miniature circuit breaker (4), harmonic protection device (3) is sent on another road, and accesses a 380V interchange radiator fan (9); Then 380V alternating current is linked into dynamic noncontacting switch (6) by current transformer (5), connects through completing primary circuit on reactor (7) access compensates electric capacitor (8); Outside 12V switching signal is linked on control signal binding post (1); finally be linked into the control signal end of dynamic noncontacting switch (6) through the normally-closed contact of harmonic protection device (3); control unlatching and the shutoff of dynamic noncontacting switch (9) with this, thereby complete input and the excision of capacitor.
2. a kind of anti-harmonic reactive-load compensation capacitance module device according to claim 1, it is characterized in that: harmonic protection device (3) is by the ac signal of sampling current transformer (5) and miniature circuit breaker (4) access, thereby calculate harmonic wave and the size of current in this loop, and by display screen (2) electric current in this loop of display screen in real time, harmonic number and relevant alarm operation, the logical real-time over-sampling value of harmonic protection device (3) is compared with inner set parameter, make corresponding warning and overcurrent, ultraharmonics protection, overcurrent or ultraharmonics all can make the 12V control signal dropping into disconnect, make loop not drop into power capacitor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393449.4U CN204012713U (en) | 2014-07-16 | 2014-07-16 | Anti-harmonic reactive-load compensation capacitance module device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393449.4U CN204012713U (en) | 2014-07-16 | 2014-07-16 | Anti-harmonic reactive-load compensation capacitance module device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012713U true CN204012713U (en) | 2014-12-10 |
Family
ID=52052655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393449.4U Expired - Fee Related CN204012713U (en) | 2014-07-16 | 2014-07-16 | Anti-harmonic reactive-load compensation capacitance module device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012713U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449687A (en) * | 2015-12-16 | 2016-03-30 | 国网浙江省电力公司湖州供电公司 | Low voltage reactive distributed compensation apparatus |
| CN110071511A (en) * | 2019-05-09 | 2019-07-30 | 浙江朗松智能电力设备有限公司 | A kind of reactive compensation controlling device and capacitor switching method |
| CN114002274A (en) * | 2021-10-29 | 2022-02-01 | 浙江华电器材检测研究院有限公司 | Method and device for calculating capacitance compensation in nondestructive testing test of transformer winding parameters |
-
2014
- 2014-07-16 CN CN201420393449.4U patent/CN204012713U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449687A (en) * | 2015-12-16 | 2016-03-30 | 国网浙江省电力公司湖州供电公司 | Low voltage reactive distributed compensation apparatus |
| CN110071511A (en) * | 2019-05-09 | 2019-07-30 | 浙江朗松智能电力设备有限公司 | A kind of reactive compensation controlling device and capacitor switching method |
| CN114002274A (en) * | 2021-10-29 | 2022-02-01 | 浙江华电器材检测研究院有限公司 | Method and device for calculating capacitance compensation in nondestructive testing test of transformer winding parameters |
| CN114002274B (en) * | 2021-10-29 | 2024-04-26 | 浙江华电器材检测研究院有限公司 | Calculation method and device for capacitance compensation in nondestructive testing of transformer winding parameters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204012751U (en) | A kind of energy feedback type programmable electronic can be presented load device | |
| CN204012713U (en) | Anti-harmonic reactive-load compensation capacitance module device | |
| CN201256360Y (en) | Intelligent multifunctional low voltage frequency changing power device | |
| CN201717638U (en) | Static synchronous compensating device for power grid | |
| CN207427022U (en) | A kind of intelligent load-balancing device | |
| CN202586346U (en) | Intelligent harmonic-resistant compensation integration module | |
| CN201466724U (en) | Intelligent single-phase power saving protective controller | |
| CN105281333A (en) | Anti-harmonic-wave reactive compensation capacitor module apparatus | |
| CN207442725U (en) | A kind of drive electric appliance with adjusting zero point type isolating transformer | |
| CN204118518U (en) | A kind of chamber type charging station | |
| CN203911481U (en) | Building block heat overlap type active electric power filtering device | |
| CN102969719A (en) | Intelligent harmonic wave filtering energy-saving device suitable for intermediate frequency furnace | |
| CN202930939U (en) | Intelligent type three phase electricity-saving appliance | |
| CN202737461U (en) | Intelligent integrated compensation module used for filtering capacitance compensation device | |
| CN202150819U (en) | Voltage regulating and compensating soft-start device of reactor of high-voltage AC motor | |
| CN203313064U (en) | High-frequency switching power supply module | |
| CN201797321U (en) | Static reactive power compensation generator for power distribution | |
| CN204615681U (en) | A kind of high frequency switch power commutating module | |
| CN205377733U (en) | Three -phase power saving device | |
| CN203491700U (en) | Intelligent integrated power capacitor | |
| Zhe et al. | Study on reactive automatic compensation system design | |
| CN204538795U (en) | A kind of IPM electric power UPS device based on IPM inversion module | |
| CN204424900U (en) | The intensive unit of SVG carries testing stand entirely | |
| CN205509509U (en) | Reactive compensation controller | |
| CN202978272U (en) | Intelligent harmonic wave filtering energy saving device suitable for intermediate frequency furnaces |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170106 Address after: 610052 Sichuan city of Chengdu province Chenghua District two East 3rd Ring Rd section of Longtan Huasheng Industrial Park Road No. 58 building 30 Patentee after: Chengdu aneng Jie Electric Co. Ltd. Address before: 400039 Chongqing Jiulongpo Branch City Road No. 71 Erlang students Pioneering Park D1 building 10 floor Patentee before: Chongqing Ruisheng Kangbo Electrical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20180716 |