CN204361689U - Intelligent reactive power compensation and harmonic treating apparatus - Google Patents
Intelligent reactive power compensation and harmonic treating apparatus Download PDFInfo
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- CN204361689U CN204361689U CN201520003129.8U CN201520003129U CN204361689U CN 204361689 U CN204361689 U CN 204361689U CN 201520003129 U CN201520003129 U CN 201520003129U CN 204361689 U CN204361689 U CN 204361689U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 108091000080 Phosphotransferase Proteins 0.000 claims abstract description 13
- 102000020233 phosphotransferase Human genes 0.000 claims abstract description 13
- 238000004146 energy storage Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000002939 deleterious effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 102000001253 Protein Kinase Human genes 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 108060006633 protein kinase Proteins 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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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
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
Intelligent reactive power compensation and harmonic treating apparatus relate to power system reactive power compensation and harmonic wave control field.Be mainly and solve the problems such as existing reactive power compensator compensation harmonic is limited in one's ability and design.It comprises housing, the nonlinear load access electrical network input on mounting panel; Current sample module and voltage sample module are all connected to Signal-regulated kinase; Signal-regulated kinase is connected to V/A signal conversion module and over-voltage over-current protection module; Over-voltage over-current protection model calling is to main control module, and V/A signal conversion module is connected to main control module; Main control module is connected to driver module; Operation instruction panel is connected to main control module; Soft-start module is connected to IGBT conversion module and exports between electrical network; Sub-control module is connected with main control module, and LCD MODULE is connected to sub-control module; The output feeder ear of electric power system links the power end of main control module and sub-control module.Advantage to reduce the harmonic current content of electrical network.
Description
Technical field:
The utility model relates to a kind of electric power the complete sets of equipment in power system reactive power compensation and harmonic wave control field.
Background technology:
Along with the fast development of science and technology and the raising of industrial automatization, widely using of the non-linear power electronic equipments such as motor, rectifier, electric welding machine, arc furnace, cause in electrical network, there is a large amount of harmonic currents and reactive current, cause voltage flicker, frequency change etc.Consume a large amount of reactive powers, cause that pressure drop of grid increases, big ups and downs appear in voltage, power factor of electric network is caused to reduce, cause serious electric energy to pollute, affect the normal work of miscellaneous equipment in electrical network, even cause the work of equipment to there is the problems such as potential safety hazard, have a strong impact on the power supply quality of electrical network, delivery efficiency and equipment life.Therefore, in order to the improvement of the safety and stability of equipment operation, the reliable and secure and quality of power supply of electrical network, suitable compensation must be carried out to the reactive power of electrical network, reduce power loss, improve power supply quality, reactive power compensation has become important problem in the urgent need to address.Traditional pure reactive power compensator be made up of shunt capacitor, its reactive power compensation is effective, control flexibly, but its compensation harmonic ability is very limited, and when can only be applicable to grid balance symmetry.Because electrical network and loading condition exist variation, load balance whether, whether electrical network symmetrical, whether balance the normal work that all can hinder static reactive generator, and dynamic characteristic is bad, can not real-Time Compensation.Existing Hysteresis control strategy and device can not realize good dynamic characteristic while meeting good static characteristic, Lu Bang Control Sampled-Data design is complicated, the required processing time is long, its by progressively had the dynamic reactive compensation device of harmonic wave control function replace.
Summary of the invention:
Technical problem to be solved in the utility model is to provide a kind of harmonic current content reducing electrical network, improves intelligent reactive power compensation and the harmonic treating apparatus of power factor of electric network.
Above-mentioned purpose is achieved in that it comprises housing, the mounting panel in housing has softly open module, current sample module, voltage sample module, Signal-regulated kinase, over-voltage over-current protection module, V/A signal conversion module, operation instruction panel, main control module, driver module, LCD MODULE, sub-control module, electric power system, IGBT module, nonlinear load, electrical network input; DC side utilizes electric capacity to provide voltage support as energy-storage travelling wave tube, using IGBT module as the control switch of current transformer, TMS320F28335 model DSP is as the control chip of main control module, DSPIC33F series monolithic, as the control chip of sub-control module, realizes the Digital Control of total system;
The described electrical network input described in nonlinear load access; Described current sample module acquires offset current and load current, be connected to described Signal-regulated kinase; Described voltage sample module acquires supply voltage and capacitance voltage, be connected to described Signal-regulated kinase; Described Signal-regulated kinase is connected respectively to described V/A signal conversion module and described over-voltage over-current protection module; Described over-voltage over-current protection model calling is to described main control module, and described V/A signal conversion module is connected to described main control module; Described main control module is connected to described driver module; Described operation instruction panel is connected to described main control module, and described main control module and described driver module are for driving IGBT module; Described soft-start module is connected to IGBT conversion module and exports between electrical network; Described sub-control module is connected with described main control module, and described LCD MODULE is connected to described sub-control module; The output feeder ear of described electric power system is connected respectively to the power end of main control module and sub-control module.
The utility model has the advantages that: the harmonic current content that can reduce electrical network, improve power factor of electric network, can carry out fast and continuous print compensation the idle of size variation, there is good dynamic characteristic, can overcome that traditional reactive-load compensator response speed is slow, compensation effect can not accurately control, easily and the shortcoming such as electrical network generation parallel resonance and switching concussion.Can be used for combinationally using with traditional enclosed capacitor, there is expanded function, can use by multi-machine parallel connection.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment:
With reference to accompanying drawing 1, it comprises housing 16, the mounting panel 17 in housing has softly open module 1, current sample module 2, voltage sample module 3, Signal-regulated kinase 4, over-voltage over-current protection module 5, V/A signal conversion module 6, operation instruction panel 7, main control module 8, driver module 9, LCD MODULE 10, sub-control module 11, electric power system 12, IGBT module 13, nonlinear load 14, electrical network input 15; DC side utilizes electric capacity to provide voltage support as energy-storage travelling wave tube, using IGBT module as the control switch of current transformer, TMS320F28335 model DSP is as the control chip of main control module, DSPIC33F series monolithic, as the control chip of sub-control module, realizes the Digital Control of total system;
The described electrical network input described in nonlinear load access; Described current sample module acquires offset current and load current, be connected to described Signal-regulated kinase; Described voltage sample module acquires supply voltage and capacitance voltage, be connected to described Signal-regulated kinase; Described Signal-regulated kinase is connected respectively to described V/A signal conversion module and described over-voltage over-current protection module; Described over-voltage over-current protection model calling is to described main control module, and described V/A signal conversion module is connected to described main control module; Described main control module is connected to described driver module; Described operation instruction panel is connected to described main control module, and described main control module and described driver module are for driving IGBT module; Described soft-start module is connected to IGBT conversion module and exports between electrical network; Described sub-control module is connected with described main control module, and described LCD MODULE is connected to described sub-control module; The output feeder ear of described electric power system is connected respectively to the power end of main control module and sub-control module.
Concrete control procedure: first detect the size containing deleterious currents such as reactive current, harmonic current, negative-sequence currents in nonlinear load, then IGBT module is driven to send and deleterious current equal and opposite in direction by main control module, opposite polarity offset current, inject electrical network, the humorous reactive current that involves that such offset current and nonlinear load produce offsets, ensure that the sine of grid side electric current and power factor unitization.
Described modules and all buying from market.
Claims (1)
1. intelligent reactive power compensation and harmonic treating apparatus, comprise housing (16), it is characterized in that: the mounting panel (17) in housing has and softly opens module (1), current sample module (2), voltage sample module (3), Signal-regulated kinase (4), over-voltage over-current protection module (5), V/A signal conversion module (6), operation instruction panel (7), main control module (8), driver module (9), LCD MODULE (10), sub-control module (11), electric power system (12), IGBT module (13), nonlinear load (14), electrical network input (15), DC side utilizes electric capacity to provide voltage support as energy-storage travelling wave tube, using IGBT module as the control switch of current transformer, TMS320F28335 model DSP is as the control chip of main control module, DSPIC33F series monolithic, as the control chip of sub-control module, realizes the Digital Control of total system,
The described electrical network input described in nonlinear load access; Described current sample module acquires offset current and load current, be connected to described Signal-regulated kinase; Described voltage sample module acquires supply voltage and capacitance voltage, be connected to described Signal-regulated kinase; Described Signal-regulated kinase is connected respectively to described V/A signal conversion module and described over-voltage over-current protection module; Described over-voltage over-current protection model calling is to described main control module, and described V/A signal conversion module is connected to described main control module; Described main control module is connected to described driver module; Described operation instruction panel is connected to described main control module, and described main control module and described driver module are for driving IGBT module; Described soft-start module is connected to IGBT conversion module and exports between electrical network; Described sub-control module is connected with described main control module, and described LCD MODULE is connected to described sub-control module; The output feeder ear of described electric power system is connected respectively to the power end of main control module and sub-control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003129.8U CN204361689U (en) | 2015-01-05 | 2015-01-05 | Intelligent reactive power compensation and harmonic treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003129.8U CN204361689U (en) | 2015-01-05 | 2015-01-05 | Intelligent reactive power compensation and harmonic treating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204361689U true CN204361689U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520003129.8U Expired - Fee Related CN204361689U (en) | 2015-01-05 | 2015-01-05 | Intelligent reactive power compensation and harmonic treating apparatus |
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| CN (1) | CN204361689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490273A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Power harmonic filter |
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2015
- 2015-01-05 CN CN201520003129.8U patent/CN204361689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490273A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Power harmonic filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200911 Address after: 111000 No. 188 Zhonghua street, Baita District, Liaoning, Liaoyang Patentee after: Liaoyang Hongxin Machinery Equipment Co.,Ltd. Address before: 111000 No. 188 Zhonghua street, Baita District, Liaoning, Liaoyang Patentee before: LIAOYANG HONGFEI ELECTRICAL APPLIANCE MANUFACTURING (Group) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |