CN205283139U - Connection in series -parallel integration compensation arrangement - Google Patents
Connection in series -parallel integration compensation arrangement Download PDFInfo
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- CN205283139U CN205283139U CN201521064302.1U CN201521064302U CN205283139U CN 205283139 U CN205283139 U CN 205283139U CN 201521064302 U CN201521064302 U CN 201521064302U CN 205283139 U CN205283139 U CN 205283139U
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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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Abstract
The utility model provides a connection in series -parallel integration compensation arrangement, is including installing controller, a cascade compensation subtotal shunt compensation part that the cabinet is internal, with a controller simultaneous control cascade compensation subtotal shunt compensation part, according to power factor and voltage quality comprehensive judgement, has improved reactive compensation's efficiency for the whole network efficiency is best. The controller is through gathering the change of voltage electric current, active power, the reactive power isoparametric in the return circuit, the real -time tracking, and according to the size of the power factor in the circuit, when reaching the value that the controller set for, input shunt compensation part for compensating capacitor C1 connects in parallel in the circuit, realizes idle automatic compensation, improves the power factor of circuit.
Description
Technical field
This utility model relates to electrical equipment technical field, is specifically related to a kind of connection in series-parallel integration compensation device.
Background technology
Current China western part, northwest, southwest and northeast most area ubiquity heavy load long distance powedr transmission, the defective problem of line end quality of voltage, have a strong impact on the properly functioning of neighbouring resident and industrial user's electrical equipment. Release multiple reactive power compensator on the market, mainly had: low-voltage distribution in-situ compensation device, medium-voltage line dispersion paralleling compensating device, middle pressure series compensation device etc.
But for " two is low " problem of power distribution network " power factor is low " and " supply voltage is low ", single compensation device cannot solve, because it has the following disadvantages: field working conditions is complicated, cause that transformation difficulty is big; Device volume is big, infield is inconvenient; Plant investment is relatively big, energy-saving effect is inconspicuous, make economic benefit low; The compensation efficiency of the whole network is low, compensation effect is not notable, it is impossible to realize intelligent dynamic compensation.
Utility model content
Technical problem to be solved in the utility model is in that to provide a kind of connection in series-parallel integration compensation device, thus significantly improving the runnability of circuit and the power supply quality of low and medium voltage distribution network, it is achieved the whole network compensation efficiency is the highest.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of connection in series-parallel integration compensation device, including the controller being arranged in a cabinet, series compensation part and shunt compensation part, control series compensation part and shunt compensation part with a controller simultaneously, according to power factor (PF) and quality of voltage comprehensive descision, improve the efficiency of reactive-load compensation so that the whole network efficiency is best.
Described series compensation part includes compensating capacitor C2, zinc oxide assembly FR, antivibrator RF, discharge switch JZa, electrical switch DZ, Verification of Measuring Current Transformer, taking can with voltage transformer and measurement voltage transformer, described antivibrator RF, electrical switch DZ, to take can be loop with voltage transformer and measurement voltage mutual inductor serial, compensate capacitor C2, zinc oxide assembly FR and discharge switch JZa parallel connection in the loop, and described discharge switch JZa, Verification of Measuring Current Transformer are connected with controller;
Described shunt compensation part includes the compensation capacitor C1, switching vacuum circuit breaker switch and the fuse switch that are cascaded, and described switching vacuum circuit breaker switch is connected with controller. It is effectively ensured the flatness of capacitor actions, it is to avoid the capacitor frequent switching caused because of the transient disturbance such as voltage pulsation, sudden change or concussion switching.
Controller passes through active reactive optimized algorithm, power factor in circuit, the distribution of voltage trend and terminal voltage quality condition are carried out comprehensive analysis and judgement, thus realizing circuit reactive-load dynamic compensation, automatically engage or exit the Capacitor banks of series-parallel connection device, optimize the idle configuration of circuit, it is achieved saving energy and decreasing loss, improve grid power factor and improve terminal voltage quality.
Operation principle of the present utility model illustrates as follows:
(1) controller is by parameters such as the voltage x current change in acquisition circuit, active power, reactive powers, real-time tracking, according to the power factor size in circuit, when reaching the value that controller sets, put into shunt compensation part, make to compensate capacitor C1 parallel connection in the line, it is achieved imaginary power automatic compensation, improve the power factor (PF) of circuit;
(2) controller is by line voltage distribution Mass Distribution situation, when reaching the value that controller sets, discharge switch JZa automatically engages series compensation part, compensate capacitor C2 and offset the impact of line inductance, when compensating capacitor C2 capacitive reactance and being equal with line inductance induction reactance amplitude, the voltage of line inductance is just completely counterbalanced by with capacitance voltage, and transmitting capacity of the electric wire netting is greatly improved, and line end voltage is greatly improved.
This utility model can be automatically obtained series compensation, discharge switch JZa, zinc oxide assembly FR and electrical switch DZ are possible to prevent when short circuit occurs and rapidly the voltage compensating capacitor C2 two ends are restricted to relatively low level simultaneously, and discharge switch JZa quick acting so that capacitor exits loop and from impact.
The beneficial effects of the utility model are: this utility model series and parallel device is contained in a cabinet, and volume is little, in-site installation is convenient, reduce investment outlay; With a controller, control series and parallel compensation device simultaneously, according to power factor (PF) and quality of voltage comprehensive descision, improve the efficiency of reactive-load compensation so that the whole network efficiency is best.
Accompanying drawing explanation
Fig. 1 is this utility model electrical principle wiring diagram.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, this utility model is expanded on further.
Referring to Fig. 1, a kind of connection in series-parallel integration compensation device, including the controller being installed in a cabinet, series compensation part and shunt compensation part, control series compensation part and shunt compensation part with a controller simultaneously, according to power factor (PF) and quality of voltage comprehensive descision, improve the efficiency of reactive-load compensation so that the whole network efficiency is best.
Series compensation part includes compensating capacitor C2, zinc oxide assembly FR, antivibrator RF, discharge switch JZa, electrical switch DZ, Verification of Measuring Current Transformer CT, taking can with voltage transformer PT1a and measurement voltage transformer PT2a, antivibrator RF, electrical switch DZ, taking can with voltage transformer PT1a and measurement voltage transformer PT2a series connection in loop, compensate capacitor C2, zinc oxide assembly FR and discharge switch JZa parallel connection in the loop, and discharge switch JZa, Verification of Measuring Current Transformer CT are connected with controller;
Shunt compensation part includes the compensation capacitor C1, the switching vacuum circuit breaker switch K and fuse switch QF that are cascaded, and switching vacuum circuit breaker switch K is connected with controller. It is effectively ensured the flatness of capacitor actions, it is to avoid the capacitor frequent switching caused because of the transient disturbance such as voltage pulsation, sudden change or concussion switching.
Controller passes through active reactive optimized algorithm, power factor in circuit, the distribution of voltage trend and terminal voltage quality condition are carried out comprehensive analysis and judgement, thus realizing circuit reactive-load dynamic compensation, automatically engage or exit the Capacitor banks of series-parallel connection device, optimize the idle configuration of circuit, it is achieved saving energy and decreasing loss, improve grid power factor and improve terminal voltage quality.
Operation principle of the present utility model illustrates as follows:
(1) controller is by parameters such as the voltage x current change in acquisition circuit, active power, reactive powers, real-time tracking, according to the power factor size in circuit, when reaching the value that controller sets, put into shunt compensation part, make to compensate capacitor C1 parallel connection in the line, it is achieved imaginary power automatic compensation, improve the power factor (PF) of circuit;
(2) controller is by line voltage distribution Mass Distribution situation, when reaching the value that controller sets, discharge switch JZa automatically engages series compensation part, compensate capacitor C2 and offset the impact of line inductance, when compensating capacitor C2 capacitive reactance and being equal with line inductance induction reactance amplitude, the voltage of line inductance is just completely counterbalanced by with capacitance voltage, and transmitting capacity of the electric wire netting is greatly improved, and line end voltage is greatly improved.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described. Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; described in above-described embodiment and description is that principle of the present utility model is described; under the premise without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within the scope of claimed this utility model. This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (1)
1. a connection in series-parallel integration compensation device, it is characterised in that include the controller, series compensation part and the shunt compensation part that are arranged in a cabinet, control series compensation part and shunt compensation part with a controller simultaneously;
Described series compensation part includes the second compensation capacitor (C2), zinc oxide assembly (FR), antivibrator (RF), discharge switch (JZa), electrical switch (DZ), Verification of Measuring Current Transformer, taking can with voltage transformer and measurement voltage transformer, described antivibrator (RF), electrical switch (DZ), taking can be loop with voltage transformer and measurement voltage mutual inductor serial, second compensates capacitor (C2), zinc oxide assembly (FR) and discharge switch (JZa) parallel connection are in the loop, and described discharge switch (JZa), Verification of Measuring Current Transformer is connected with controller,
Described shunt compensation part includes the first compensation capacitor (C1), switching vacuum circuit breaker switch and the fuse switch that are cascaded, and described switching vacuum circuit breaker switch is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064302.1U CN205283139U (en) | 2015-12-16 | 2015-12-16 | Connection in series -parallel integration compensation arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064302.1U CN205283139U (en) | 2015-12-16 | 2015-12-16 | Connection in series -parallel integration compensation arrangement |
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| CN205283139U true CN205283139U (en) | 2016-06-01 |
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| CN201521064302.1U Active CN205283139U (en) | 2015-12-16 | 2015-12-16 | Connection in series -parallel integration compensation arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977989A (en) * | 2016-06-12 | 2016-09-28 | 国网上海市电力公司 | Series-parallel hybrid active voltage regulating device for power distribution network |
-
2015
- 2015-12-16 CN CN201521064302.1U patent/CN205283139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977989A (en) * | 2016-06-12 | 2016-09-28 | 国网上海市电力公司 | Series-parallel hybrid active voltage regulating device for power distribution network |
| CN105977989B (en) * | 2016-06-12 | 2019-02-26 | 国网上海市电力公司 | The series and parallel combined active regulator of power distribution network |
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