CN106786648A - A kind of low-voltage idle dynamic compensator - Google Patents
A kind of low-voltage idle dynamic compensator Download PDFInfo
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- CN106786648A CN106786648A CN201611233504.3A CN201611233504A CN106786648A CN 106786648 A CN106786648 A CN 106786648A CN 201611233504 A CN201611233504 A CN 201611233504A CN 106786648 A CN106786648 A CN 106786648A
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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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
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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 invention discloses a kind of low-voltage idle dynamic compensator, including controller, reactive-load dynamic compensation circuit, trigger control circuit, display circuit, controllable silicon radiating circuit and integral heat sink circuit；Fling-cut switch component, temperature control loop, controllable silicon heat-radiation loop form one-to-one relationship, controller calculates real-time reactive requirement according to the voltage, current value that gather, and according to the parameter of its internal preset, control corresponding port output signal, the control machines switch access system being connected with the port zero cross fired module, the group capacitor is operated, and carries out reactive-load compensation.The integral heat sink of temperature control loop, controllable silicon radiating circuit and integral heat sink circuit realiration to control machines switch, reactor and cabinet in the present invention, not only ensure that each component is in optimal working condition, each component can also be prevented to be caused to damage because of overheat, extends the service life of component.
Description
Technical field
The present invention relates to electric power imaginary power automatic compensation field, more particularly to a kind of low-voltage idle dynamic compensator.
Background technology
At present, the power network of China, particularly vast rural power grids, generally existing power factor is relatively low, grid line loss compared with
Big situation.The main cause for causing this phenomenon is that numerous inductive load electrical equipment designs falls behind, and power factor is relatively low.Than
The 70% of whole generated energy are accounted for if the electric energy that motor such as China is consumed, and due to the aspects such as design and use, I
The power factor of state's motor is often relatively low, typically about cos Φ=0.7, in this case, using reactive-load compensation energy-conservation skill
Art, is very necessary to improving the quality of power supply and excavating power network potentiality, and countries in the world are all using reactive-load compensation as Electric Power Network Planning
Important component.
Domestic and international low-voltage reactive compensator is main by controller, knife-like switch, fuse, contactor, electrothermal relay, electric power electricity
Container, indicator lamp etc. are constituted, and it is slow that it is primarily present shove big, switch, electric capacity short life, reactive-load compensation reaction, volume greatly, account for
Ground is big, consumptive material is more, power consumption is big, wiring is more, heavy, poor reliability, be unable to teletransmission, the low drawback of automaticity.
Chinese patent CN 203674724U disclose a kind of low-voltage idle dynamic compensator, including parallel with one another
One phase splitting compensation loop, the second phase splitting compensation loop, the 3rd phase splitting compensation loop；First phase splitting compensation loop, the second split-phase are mended
Repaying loop, the 3rd phase splitting compensation loop includes the breaker, transformer, contactor, reactor and the capacitor that are sequentially connected in series；It is disconnected
Lightning rod is connected between road device, transformer；There is switching between contactor and reactor in the 3rd phase splitting compensation loop
Switch；Also include the controller being connected with power network, be connected the triggers circuit of controller and fling-cut switch, be connected to the meter of controller
Calculation machine and touch display.When the patent is applied to power distribution network, such as electric railway, metallurgy industrial user can effectively control
Reactive power, improves power factor, reduces the voltage influence harmony wave interference caused by nonlinear-load, improves the production of user
Work efficiency.But, the patent lacks cooling system, and reactor, transformer, capacitor belong to heating element, and temperature is not high not
The performance of itself of component is only influenceed, its service life is had an effect on, the damage of component is easily caused.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of low-voltage idle dynamic compensator, with
Breaker, control machines switch, reactor, capacitor bank into fling-cut switch component, with zero cross fired module, the controllable silicon upper limit
Temperature detect switch (TDS), the built-in temperature detect switch (TDS) of reactor constitute temperature control loop, and control machines switch is connected with zero cross fired module, makes
Temperature control loop forms one-to-one relation with fling-cut switch component；When controller gathers the phase voltage of three-phase general supply and adopts
After the electric current at sample current transformer two ends, real-time reactive requirement is calculated, and according to the parameter of its internal preset, control is corresponding
The zero cross fired module of port, the control machines switch access system being connected with the port zero cross fired module, this group of electric capacity
Device is operated, and carries out reactive-load compensation；Control machines switch, reactor are all heating elements simultaneously, and control machines are opened
The limit of temperature rise of pass is 45 DEG C~75 DEG C, and the limit of temperature rise of reactor is 100 DEG C~120 DEG C, when the temperature of control machines switch
After degree rises to 45 DEG C, controllable silicon lower limit temperature detect switch (TDS) conducting, the cooling fan work being attached thereto is switched to control machines
Lowered the temperature, it is ensured that control machines switch is in optimum Working；And in temperature control loop, the temperature of control machines switch
When rising to more than 75 DEG C, controllable silicon upper limit temperature detect switch (TDS) disconnects, when the temperature of reactor rises to more than 100 DEG C, reactor
Built-in temperature detect switch (TDS) disconnect；Temperature control loop can all disconnect when a kind of situation of any of the above occurs, prevent control machines from switching,
Reactor is damaged because of overheat；In addition, integral heat sink circuit is additionally provided with cabinet, when the temperature of cabinet reaches preset value
Afterwards, radiator fan work, integral heat sink is carried out to cabinet inside, further ensures that the steady operation of each component.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of low-voltage idle dynamic compensator, including controller, the reactive-load dynamic compensation circuit being connected with controller, touch
Hair control circuit, display circuit, also including controllable silicon radiating circuit and integral heat sink circuit；
The reactive-load dynamic compensation circuit includes at least three groups fling-cut switch components in parallel, every group of fling-cut switch group
Part includes three-phase breaker of plastic casing, is connected to the reactor that three-phase breaker of plastic casing respectively mutually switchs rear end in turn, is connect with triangle
Method is connected to the capacitor bank between three reactors, and is connected to the first of three-phase breaker of plastic casing the mutually switch and reactor
Between, third phase switch and reactor between control machines switch；Three-phase plastic housing open circuit in every group of fling-cut switch component
Device is connected by same three-phase isolation switch with three-phase general supply；The inside of the reactor is provided with built-in temperature detect switch (TDS)；
The trigger control circuit includes at least three groups temperature control loops in parallel, and every group of temperature control loop includes zero cross fired mould
Block, controllable silicon upper limit temperature detect switch (TDS), one end of controllable silicon upper limit temperature detect switch (TDS) are connected with the voltage output end of controller, the other end
One end with zero cross fired module is connected, and the other end of zero cross fired module is by built-in temperature detect switch (TDS) and the triggering end of controller
Connection, the triggering end of zero cross fired module is switched with corresponding control machines and connected；
The digital display unit includes digital display meter, first fuse, second fuse, the 3rd fuse, first voltage
Transformer, second voltage transformer, the accessory power supply end of digital display meter are connected with the voltage input end of controller, the Ua of digital display meter,
Ub, Uc end are connected by first fuse, second fuse, the 3rd fuse with three-phase isolation switch respectively, the Un of digital display meter
Terminal connecting zero line, Ia+, Ic+ end of digital display meter is grounded by first voltage transformer, second voltage transformer respectively, digital display meter
Ib+ ends are directly grounded, and Ia-, Ib-Ic- end of digital display meter are all connected with zero line；
Further, the controllable silicon radiating circuit includes being arranged in a series arrangement successively the first phase of three-phase general supply
Or controllable silicon lower limit temperature detect switch (TDS) and cooling fan between third phase power line and zero line；
Yet further, the integral heat sink circuit includes temperature controller and radiator fan, the temperature controller
Cabinet temperature detect switch (TDS) is internally provided with, the radiator fan is connected with the cabinet temperature detect switch (TDS) inside temperature controller.
Further, the three-phase general supply is three-phase and four-line phase voltage, and sample rate current is provided with three-phase general supply
Transformer, the current input terminal of controller is connected with the two ends of sampling current transformer.
Preferably, the two ends of each capacitor being connected with control machines switch are parallel with indicator lamp.
Preferably, the first phase power line or third phase power line of the controllable silicon lower limit temperature detect switch (TDS) and three-phase general supply
Between be provided with fuse.
Preferably, it is provided with lightning rod between the reactive-load dynamic compensation circuit and three-phase isolation switch.
Preferably, the quantity of the controllable silicon radiating circuit is consistent with the quantity of reactor.
Preferably, the zero cross fired module of every group of temperature control loop is formed in parallel by two TSC over-zero triggers.
Preferably, the temperature that controls of the controllable silicon temperature control upper limit temperature detect switch (TDS) is 75 DEG C, the controllable silicon lower limit temperature control
The temperature that controls of switch is 45 DEG C.
Compared with prior art, beneficial effects of the present invention are：
(1) reactive-load dynamic compensation circuit is made up of the fling-cut switch modules in parallel of different capacity in the present invention, every group of throwing
Cutting switch module includes breaker, control machines switch, reactor, capacitor bank, and controller passes through zero cross fired module control
The access and disconnection of control machines switch processed and system；The phase voltage and sample rate current of controller collection three-phase general supply are mutual
The electric current at sensor two ends, calculates real-time reactive requirement, and according to the parameter of its internal preset, control the zero passage of corresponding port
Trigger module, the control machines switch access system being connected with the port zero cross fired module, group capacitor is operated,
Carry out reactive-load compensation；Zero cross fired module is switched with control machines and corresponded, idle need of the controller according to real-time requirement
Ask, the control machines switch that will be matched the most therewith is accessed, intelligence switching reduces power consumption.
(2) in the present invention controller power end and triggering end by controllable silicon upper limit temperature detect switch (TDS), zero cross fired module,
The built-in temperature detect switch (TDS) of reactor forms temperature control loop, so warm because zero cross fired module is connected with control machines switch
Control loop forms one-to-one relation with fling-cut switch component；Controllable silicon lower limit temperature detect switch (TDS) is connected on three-phase with cooling fan
The first of general supply constitutes the external cooling loop of control machines switch mutually or between third phase power line and zero line；It is controllable
The limit of temperature rise of silicon trigger switch is 45 DEG C~75 DEG C, and the limit of temperature rise of reactor is 100 DEG C~120 DEG C, works as control machines
After the temperature of switch rises to 45 DEG C, the conducting of controllable silicon lower limit temperature detect switch (TDS), the cooling fan work being attached thereto, to controllable silicon
Trigger switch is lowered the temperature, it is ensured that control machines switch is in optimum Working；And in temperature control loop, control machines are opened
When the temperature of pass rises to more than 75 DEG C, controllable silicon upper limit temperature detect switch (TDS) disconnects, and the temperature of reactor rises to more than 100 DEG C
When, the built-in temperature detect switch (TDS) of reactor disconnects；Temperature control loop can all disconnect when a kind of situation of any of the above occurs, and prevent controllable silicon
Trigger switch, reactor are damaged because of overheat；
(3) integral heat sink circuit is also set up in the present invention, after the temperature of cabinet reaches preset value, radiator fan work,
Integral heat sink is carried out to cabinet inside, the steady operation of each component is further ensured that.
Brief description of the drawings
Fig. 1 is way circuit figure of the invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of low-voltage idle dynamic compensator, including controller K, what is be connected with controller K is idle dynamic
State compensation circuit, trigger control circuit, display circuit, controllable silicon radiating circuit, integral heat sink circuit；
Three-phase general supply line set a sampling current transformer TA, sampling electricity before cabinet is accessed in the present invention
The ends A 430 and N430 of current transformer TA are connected with No. 1 pin and No. 2 pins of controller K respectively, carry out current acquisition；Together
When, No. 8 pins of controller K are connected with zero line N, and No. 7 pins are by a control change-over switch SA1 and three-phase general supply line
A is connected, No. 3, No. 5 B phases respectively with three-phase general supply line, C be connected, the collection of voltage signal is realized with this.
The reactive-load dynamic compensation circuit of the present embodiment can reach the reactive-load dynamic compensation of 400Kvar, by six groups of throwings in parallel
Switch module composition is cut, six groups of fling-cut switch components are connected by a three-phase isolation switch QS and are connected with three-phase general supply；And
Lightning rod FV1-FV3 is also respectively provided with three-phase isolation switch QS and six groups of connecting lines of fling-cut switch component；Every group of switching
The reactive power of the compensation of switch module is followed successively by 45Kvar, 60Kvar, 60Kvar, 75Kvar, 80Kvar, 80Kvar；Certainly
Can be set according to the demand of realization；Illustrated by taking first group of fling-cut switch component of reactive power 45kvar as an example, wrapped
The three-phase breaker of plastic casing QF1 being sequentially connected is included, the reactor group L1 being made up of three reactors is adopted by capacitor C1, C2, C3
The capacitor bank constituted with triangle connection method, and it is connected to the first of three-phase breaker of plastic casing QF1 the mutually switch and reactor
Control machines between L1 switch V1, are connected between the third phase of three-phase breaker of plastic casing QF1 switch and reactor L1
Control machines switch V2；And, there is built-in temperature detect switch (TDS) L ' inside reactor L1；Reactor, electric capacity from different capabilities
Device is to be capable of achieving different reactive power compensations.
Trigger control circuit is constituted by six groups with the one-to-one temperature control loop of fling-cut switch component, every group of temperature control loop bag
Include zero cross fired module P, controllable silicon upper limit temperature detect switch (TDS) ST_MAX；To be the fling-cut switch of 45kvar with first group of reactive power
As a example by the corresponding temperature control loop of component, the connected mode of each component is illustrated：Zero cross fired module is by two zero cross fireds
Device P1, P2 are in parallel to be constituted, and one end of controllable silicon upper limit temperature detect switch (TDS) ST_MAX1 is connected with No. 9 pins of controller K, the other end
One end with zero cross fired module is connected, the other end the touching by built-in temperature detect switch (TDS) L1 ' and controller K of zero cross fired module
Originator connection, over-zero trigger P1, P2 are connected with control machines switch V1, V2 respectively；And controllable silicon upper limit temperature detect switch (TDS)
It is conducting state under ST_MAX1 and built-in temperature detect switch (TDS) L1 ' normalities.Controller K gathers the phase voltage of three-phase general supply and adopts
The electric current at sample current transformer two ends, calculates real-time reactive requirement, and according to the parameter of its internal preset, controls respective end
The zero cross fired module of mouth, the control machines switch access system being connected with the port zero cross fired module；For example, controller
Reactive requirement needed for K is calculated is 45Kvar, then controller K No. 10 pin sends output signal, and by zero cross fired
Control machines are switched V1, V2 access system by device P1, P2 conducting, the capacitor bank work in first group of fling-cut switch component,
Carry out corresponding reactive-load compensation；If, controller K calculate needed for reactive requirement for 165Kvar, then controller K No. 10,
No. 11, No. 12 pins process signal simultaneously, first group, second group, the control machines switch in the 3rd group of fling-cut switch component
The equal access systems of V1~V6, the capacitor bank being attached thereto works simultaneously, could realize the reactive-load compensation of 165Kvar.
Digital display unit includes digital display meter P, first fuse FU1, second fuse FU2, the 3rd fuse FU3, the
One voltage transformer TA1, the accessory power supply end of second voltage transformer TA2, digital display meter P and the voltage input end of controller K connect
Connect, Ua, Ub, Uc end of digital display meter P pass through first fuse FU1, second fuse FU2, the 3rd fuse FU3 and three-phase respectively
Disconnecting switch K is connected, the Un terminal connecting zero lines of digital display meter P, and Ia+, Ic+ end of digital display meter P pass through first voltage transformer respectively
TA1, second voltage transformer TA2 are grounded, and the Ib+ ends of digital display meter P are directly grounded, and Ia-, Ib-Ic- end of digital display meter P are all connected with
Zero line.
Control machines are switched and reactor is heating element, the limit of temperature rise of control machines switch for 45 DEG C~
75 DEG C, the limit of temperature rise of reactor is 100 DEG C~120 DEG C, therefore, the present invention is additionally provided with controllable silicon radiating circuit, controllable silicon
Radiating circuit is corresponded with fling-cut switch component, and each controllable silicon radiating circuit includes controllable silicon lower limit temperature detect switch (TDS) ST_MIN
With cooling fan M, it is arranged between the first phase of three-phase general supply or third phase power line and zero line, under normality under controllable silicon
Limit temperature detect switch (TDS) ST_MIN is off-state；Controllable silicon lower limit temperature detect switch (TDS) ST_MIN passes through fuse FU4, FU5 and three respectively
First phase of phase general supply, the connection of third phase power line.
The temperature that controls of controllable silicon lower limit temperature detect switch (TDS) ST_MIN is 45 DEG C, the control of controllable silicon upper limit temperature detect switch (TDS) ST_MAX
Temperature processed is 75 DEG C, after the temperature of certain control machines switch V rises to 45 DEG C, corresponding controllable silicon lower limit temperature control
Switch ST_MIN conductings, corresponding cooling fan M work is lowered the temperature, it is ensured that the controllable silicon is touched to control machines switch V
Hair switch is in optimum Working；It is corresponding when the temperature of certain control machines switch V rises to more than 75 DEG C
Controllable silicon upper limit temperature detect switch (TDS) ST_MAX disconnects, and temperature control loop disconnects, and control machines switch V is stopped, and prevents controllable
Silicon trigger switch is because crossing heat-induced damage；Or when the temperature of certain reactor group L rises to more than 100 DEG C, reactor group
Built-in temperature detect switch (TDS) L ' also disconnect, temperature control loop disconnects, and reactor group L is stopped, and prevents reactor from causing because of overheat
Damage.
Except control machines switch, reactor are that in addition to heating element, current transformer, capacitor etc. are also heating unit
Part, therefore, the present invention is additionally provided with integral heat sink circuit, is made up of temperature controller and two radiator fans, temperature controller
Cabinet temperature detect switch (TDS) is internally provided with, radiator fan is connected with cabinet temperature detect switch (TDS), when cabinet internal temperature reaches the cabinet temperature
When controlling the control temperature of switch, the conducting of cabinet temperature detect switch (TDS), radiator fan work；When cabinet temperature is down to cabinet temperature detect switch (TDS)
When below control temperature, cabinet temperature detect switch (TDS) disconnects, and radiator fan is stopped；Change the normally opened work of current cabinet radiator fan
Operation mode, reduces power consumption.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as using
Design principle of the invention, and the change for carrying out non-creativeness work on this basis and making, all should belong to of the invention
Within protection domain.
Claims (8)
1. a kind of low-voltage idle dynamic compensator, including controller (K), the reactive-load dynamic compensation electricity being connected with controller (K)
Road, trigger control circuit, display circuit, it is characterised in that：Also include controllable silicon radiating circuit and integral heat sink circuit；
The reactive-load dynamic compensation circuit includes at least three groups fling-cut switch components in parallel, every group of fling-cut switch component bag
Three-phase breaker of plastic casing (QF) is included, each reactor for mutually switching rear end of three-phase breaker of plastic casing (QF) is connected in turn, with triangle
Shape connection is connected to the capacitor bank between three reactors (L), and the first phase for being connected to three-phase breaker of plastic casing (QF)
Control machines switch (V) between switch and reactor (L), between third phase switch and reactor (L)；Every group of fling-cut switch
Three-phase breaker of plastic casing (QF) in component is connected by same three-phase isolation switch (QS) with three-phase general supply；The reactance
The inside of device (L) is provided with built-in temperature detect switch (TDS) (L ')；
The trigger control circuit includes at least three groups temperature control loops in parallel, and every group of temperature control loop includes zero cross fired module
(P), controllable silicon upper limit temperature detect switch (TDS) (ST_MAX), one end and the controller (K) of controllable silicon upper limit temperature detect switch (TDS) (ST_MAX)
Voltage output end is connected, and the other end is connected with the one end of zero cross fired module (P), and the other end of zero cross fired module (P) passes through
Built-in temperature detect switch (TDS) (L ') is connected with the triggering end of controller (K), triggering end and the corresponding controllable silicon of zero cross fired module (P)
Trigger switch (V) is connected；
The digital display unit includes digital display meter (P), first fuse (FU1), second fuse (FU2), the 3rd fuse
(FU3), first voltage transformer (TA1), second voltage transformer (TA2), the accessory power supply end of digital display meter (P) and controller
(K) voltage input end connection, Ua, Ub, Uc end of digital display meter (P) pass through first fuse (FU1), second fuse respectively
(FU2), the 3rd fuse (FU3) is connected with three-phase isolation switch (K), the Un terminal connecting zero lines of digital display meter (P), digital display meter (P)
Ia+, Ic+ end are grounded by first voltage transformer (TA1), second voltage transformer (TA2) respectively, the Ib+ ends of digital display meter (P)
It is directly grounded, Ia-, Ib-Ic- end of digital display meter (P) are all connected with zero line；
The controllable silicon radiating circuit includes being arranged in a series arrangement successively first phase or third phase power supply of three-phase general supply
Controllable silicon lower limit temperature detect switch (TDS) (ST_MIN) and cooling fan (M) between line and zero line；
The integral heat sink circuit includes temperature controller and radiator fan (M '), and the temperature controller is internally provided with cabinet
Body temperature detect switch (TDS) (ST), the radiator fan (M ') is connected with the cabinet temperature detect switch (TDS) (ST) inside temperature controller.
2. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：The three-phase general supply is
Three-phase and four-line phase voltage, is provided with sampling current transformer (TA) in three-phase general supply, the current input terminal of controller (K) with adopt
The two ends connection of sample current transformer (TA).
3. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：Each and control machines
The two ends of the capacitor (C) of switch (V) connection are parallel with indicator lamp.
4. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：The controllable silicon lower limit temperature
Control switch (ST_MIN) is provided with fuse between the first phase power line or third phase power line of three-phase general supply.
5. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：The reactive-load dynamic compensation
Lightning rod (FV) is provided between circuit and three-phase isolation switch (QS).
6. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：The controllable silicon radiating electricity
The quantity on road (5) is consistent with the quantity of reactor (L).
7. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：Every group of temperature control loop
Zero cross fired module be formed in parallel by two TSC over-zero triggers.
8. a kind of low-voltage idle dynamic compensator according to claim 1, it is characterised in that：The controllable silicon upper limit temperature
The temperature that controls of control switch (ST_MAX) is 75 DEG C, and the temperature that controls of controllable silicon lower limit temperature detect switch (TDS) (ST_MIN) is 45 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611233504.3A CN106786648A (en) | 2016-12-28 | 2016-12-28 | A kind of low-voltage idle dynamic compensator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611233504.3A CN106786648A (en) | 2016-12-28 | 2016-12-28 | A kind of low-voltage idle dynamic compensator |
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| CN201611233504.3A Pending CN106786648A (en) | 2016-12-28 | 2016-12-28 | A kind of low-voltage idle dynamic compensator |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623494U (en) * | 2010-03-25 | 2010-11-03 | 成都瑞杰科能电气有限公司 | Low voltage reactive power automatic regulating device |
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN203289112U (en) * | 2013-06-06 | 2013-11-13 | 国家电网公司 | Quick-switching low-voltage intelligent reactive power compensator |
| CN105305457A (en) * | 2015-09-15 | 2016-02-03 | 安徽佑赛科技有限公司 | Low voltage reactive compensation device and low voltage reactive compensation system |
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2016
- 2016-12-28 CN CN201611233504.3A patent/CN106786648A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623494U (en) * | 2010-03-25 | 2010-11-03 | 成都瑞杰科能电气有限公司 | Low voltage reactive power automatic regulating device |
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN203289112U (en) * | 2013-06-06 | 2013-11-13 | 国家电网公司 | Quick-switching low-voltage intelligent reactive power compensator |
| CN105305457A (en) * | 2015-09-15 | 2016-02-03 | 安徽佑赛科技有限公司 | Low voltage reactive compensation device and low voltage reactive compensation system |
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Application publication date: 20170531 |