CN110137972A - A kind of compensation voltage stabilization and regulation device - Google Patents
A kind of compensation voltage stabilization and regulation device Download PDFInfo
- Publication number
- CN110137972A CN110137972A CN201910545557.6A CN201910545557A CN110137972A CN 110137972 A CN110137972 A CN 110137972A CN 201910545557 A CN201910545557 A CN 201910545557A CN 110137972 A CN110137972 A CN 110137972A
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- converter
- voltage
- control unit
- current signal
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 23
- 230000006641 stabilisation Effects 0.000 title claims abstract description 14
- 238000011105 stabilization Methods 0.000 title claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000006870 function Effects 0.000 claims description 4
- 230000008447 perception Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000035800 maturation Effects 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/12—Circuit arrangements for AC mains or AC distribution networks for adjusting voltage in AC networks by changing a characteristic of the network load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The present invention provides a kind of compensation voltage stabilization and regulation devices, are related to field of power electronics, solve the demand for not being able to satisfy quick real-time continuous adjusting in traditional pressure regulation.Comprising: converter cell, autotransformer unit, converter control unit；The converter cell includes reactor, parallel converters, series converter；The converter cell compensates power for adjusting required for electrical system pressure regulation；The autotransformer unit is used to execute the voltage change of current transformer adjusting；The converter control unit includes three-phase voltage current signal acquisition unit I, three-phase voltage current signal acquisition unit II and controller；The converter control unit controls for calculating the electrical system parameter detected and executes preset operating parameter.The present invention has the characteristics that fast response time, degree of regulation are high, rating of set factor is high, low, technology maturation, high reliablity is lost using compensation regulative mode device.
Description
Technical field
The present invention relates to field of power electronics more particularly to a kind of compensation voltage stabilization and regulation devices.
Background technique
It is existing it is compensation continuously adjust voltage stabilization and regulation device, voltage is realized using the combination of servo motor and carbon brush
It continuously adjusts, response speed is slow, precision is low, reliability is low.The silicon-controlled compensation voltage stabilization and regulation device of grading control type, response speed
Degree is fast, can not achieve continuous electrodeless adjustment.Both the above voltage-stabilizing voltage regulator can't improve circuit three-phase imbalance, adjustment power
The power quality problems such as factor.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of compensation voltage stabilization and regulation devices, comprising: converter cell,
Autotransformer unit, converter control unit；The converter cell is for adjusting compensation required for electrical system pressure regulation
Power；The autotransformer unit is used to execute the voltage change of current transformer adjusting；The converter control unit includes three
Phase voltage current signal acquisition unit I, three-phase voltage current signal acquisition unit II and controller；The converter control unit
For calculating the electrical system parameter detected, controlling and executing preset operating parameter.The present invention has fast response time, adjusts
The characteristics of saving high precision, technology maturation high reliablity.
Further, the parallel converters electric current is divided into active component and reactive component two parts.
Further, the active component is used to provide series converter and adjusts needed for autotransformer unit primary side
Active power；The input side perception or capacitive reactive power that the reactive component is set according to converter control unit control target, lead to
The output that the collected signal dynamics of three-phase voltage current signal acquisition unit I adjust current transformer reactive current is crossed, input side is made
Power factor reach preset state.
Further, the outlet side voltage that the series converter is used to be set according to converter control unit controls mesh
Mark adjusts self coupling transformation according to preset condition by the collected voltage and current signal of three-phase voltage current signal acquisition unit II
The electrical parameter of device primary side reaches output voltage in preset range threshold value, realizes voltage stabilizing function, and can set according to changing
Value realizes the continuous electrodeless adjustment of voltage.
Further, converter control unit is also used to adjust series connection according to preset condition according to the electric signal detected and become
The single-phase output of stream device makes three-phase equilibrium.
Beneficial effects of the present invention: current transformer can be continuous in a cycle after detecting voltage change for the present apparatus
The output for adjusting voltage, makes target value reach unanimity with setting value；The silicon-controlled grading control of tradition can also be after voltage change
A cycle controlled, but the corresponding control voltage of output can only can just be connected when reaching section movement threshold value, cannot
Meets the needs of of continuously adjusting；Traditional regulative mode is after detecting voltage change, and pressure regulation is needed to completion since driving motor
Offer 1 second, it is not able to satisfy the pressure stabilizing needs of sensitive equipment, mechanical structure needs maintenance reliability low more, and the present invention has response
The characteristics of speed is fast, degree of regulation is high, technology maturation high reliablity.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments recorded in the present invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of compensation power-type electric motor system control device schematic diagram provided by the invention.
Specific embodiment
The present invention gives a kind of compensation power-type electric motor system control device embodiments, in order to make the art
Personnel more fully understand the technical solution in the embodiment of the present invention, and enable the above objects, features and advantages of the present invention more
Add and become apparent, technical solution in the present invention is described in further detail with reference to the accompanying drawing:
A kind of compensation voltage stabilization and regulation device, comprising: converter cell, autotransformer unit 2, current transformer control are single
Member；The converter cell includes reactor 11, parallel converters 12, series converter 13；The converter cell is for adjusting
It economizes on electricity and compensates power required for gas system pressure regulating；The voltage that the autotransformer unit 2 is used to execute current transformer adjusting becomes
Change；The converter control unit includes three-phase voltage current signal acquisition unit I31, three-phase voltage current signal acquisition unit
II32 and controller 33；The converter control unit is controlled and is executed default for calculating the electrical system parameter detected
Operating parameter.The present invention has the characteristics that fast response time, degree of regulation height, technology maturation high reliablity.
Preferably, the parallel converters electric current is divided into active component and reactive component two parts.
Preferably, the active component is used to provide has needed for series converter adjusting autotransformer unit primary side
Function power；The input side perception or capacitive reactive power that the reactive component is set according to converter control unit control target, pass through
The collected signal dynamics of three-phase voltage current signal acquisition unit I adjust the output of current transformer reactive current, make input side
Power factor reaches preset state.
Preferably, the outlet side voltage that the series converter is used to be set according to converter control unit controls target,
Auto-transformer is adjusted according to preset condition by the collected voltage and current signal of three-phase voltage current signal acquisition unit II
The electrical parameter of primary side reaches output voltage in preset range threshold value, realizes voltage stabilizing function, and can be according to change setting value
Realize the continuous electrodeless adjustment of voltage.
Preferably, converter control unit is also used to adjust series connection unsteady flow according to preset condition according to the electric signal detected
The single-phase output of device makes three-phase equilibrium.
In conclusion the present apparatus is after detecting voltage change the present invention provides a kind of compensation voltage stabilization and regulation device
Current transformer can continuously adjust the output of voltage in a cycle, and target value is made to reach unanimity with setting value；It is traditional controllable
Graded silicon control can also a cycle after voltage change controlled, but can only reach section movement threshold value Shi Caihui
Conducting exports corresponding control voltage, is not able to satisfy the demand continuously adjusted；Traditional regulative mode after detecting voltage change,
Pressure regulation needs about 1 second to completion since driving motor, is not able to satisfy the pressure stabilizing needs of sensitive equipment, and mechanical structure needs to tie up more
It is low to protect reliability, the present invention has the characteristics that fast response time, degree of regulation height, technology maturation high reliablity.
Above embodiments are to illustrative and not limiting technical solution of the present invention.Appointing for spirit and scope of the invention is not departed from
What modification or part replacement, are intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of compensation voltage stabilization and regulation device, comprising: converter cell, autotransformer unit, converter control unit；Its
It is characterized in that, the converter cell includes reactor, parallel converters, series converter；The converter cell is for adjusting
It economizes on electricity and compensates power required for gas system pressure regulating；The voltage that the autotransformer unit is used to execute current transformer adjusting becomes
Change；The converter control unit includes three-phase voltage current signal acquisition unit I, three-phase voltage current signal acquisition unit II
And controller；The converter control unit controls for calculating the electrical system parameter detected and executes preset operation
Parameter.
2. a kind of compensation voltage stabilization and regulation device as described in claim 1, which is characterized in that the parallel converters electric current packet
Include active component and reactive component.
3. a kind of compensation voltage stabilization and regulation device as claimed in claim 2, which is characterized in that the active component is used to provide
Active power needed for series converter adjusts autotransformer unit primary side；The reactive component controls single according to current transformer
The input side perception or capacitive reactive power of member setting control target, pass through the collected letter of three-phase voltage current signal acquisition unit I
Number by the default output for adjusting parallel converters reactive current, the power factor of input side is made to reach preset state.
4. a kind of compensation voltage stabilization and regulation device as described in claim 1, which is characterized in that the series converter is used for root
Target is controlled according to the outlet side voltage of converter control unit setting, is collected by three-phase voltage current signal acquisition unit II
Voltage and current signal, according to preset condition adjust auto-transformer primary side electrical parameter, so that output voltage is reached default model
It encloses in threshold value, realizes voltage stabilizing function, and can be according to the continuous electrodeless adjustment for changing setting value realization voltage.
5. a kind of compensation voltage stabilization and regulation device as claimed in claim 4, which is characterized in that converter control unit is also used to
Make three-phase equilibrium according to the single-phase output that preset condition adjusts series converter according to the electric signal detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545557.6A CN110137972A (en) | 2019-06-22 | 2019-06-22 | A kind of compensation voltage stabilization and regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545557.6A CN110137972A (en) | 2019-06-22 | 2019-06-22 | A kind of compensation voltage stabilization and regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110137972A true CN110137972A (en) | 2019-08-16 |
Family
ID=67579055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545557.6A Pending CN110137972A (en) | 2019-06-22 | 2019-06-22 | A kind of compensation voltage stabilization and regulation device |
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| Country | Link |
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| CN (1) | CN110137972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103919A (en) * | 2020-09-11 | 2020-12-18 | 西安交通大学 | Three-layer relay protection system, device and method for hybrid distribution transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606926A (en) * | 2013-11-22 | 2014-02-26 | 国家电网公司 | High-capacity unified power quality conditioner based on chain structure and control method thereof |
| US20150256012A1 (en) * | 2014-03-07 | 2015-09-10 | Nissan North America, Inc. | Battery charger noise reduction by variable frequency |
| CN106972505A (en) * | 2017-05-05 | 2017-07-21 | 贵州电网有限责任公司电力科学研究院 | The hybrid power electronic transformer and its control method of unified power quality controlling |
| KR20170142788A (en) * | 2016-06-20 | 2017-12-28 | 전자부품연구원 | Simulation power supply device based on four-leg inverter topology |
-
2019
- 2019-06-22 CN CN201910545557.6A patent/CN110137972A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606926A (en) * | 2013-11-22 | 2014-02-26 | 国家电网公司 | High-capacity unified power quality conditioner based on chain structure and control method thereof |
| US20150256012A1 (en) * | 2014-03-07 | 2015-09-10 | Nissan North America, Inc. | Battery charger noise reduction by variable frequency |
| KR20170142788A (en) * | 2016-06-20 | 2017-12-28 | 전자부품연구원 | Simulation power supply device based on four-leg inverter topology |
| CN106972505A (en) * | 2017-05-05 | 2017-07-21 | 贵州电网有限责任公司电力科学研究院 | The hybrid power electronic transformer and its control method of unified power quality controlling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103919A (en) * | 2020-09-11 | 2020-12-18 | 西安交通大学 | Three-layer relay protection system, device and method for hybrid distribution transformer |
| CN112103919B (en) * | 2020-09-11 | 2022-02-22 | 西安交通大学 | Three-layer relay protection system, device and method for hybrid distribution transformer |
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Application publication date: 20190816 |