CN209462025U - Reactive power compensator control and protection device - Google Patents
Reactive power compensator control and protection device Download PDFInfo
- Publication number
- CN209462025U CN209462025U CN201920078649.3U CN201920078649U CN209462025U CN 209462025 U CN209462025 U CN 209462025U CN 201920078649 U CN201920078649 U CN 201920078649U CN 209462025 U CN209462025 U CN 209462025U
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- 239000003990 capacitor Substances 0.000 claims abstract description 33
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 230000003993 interaction Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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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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- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a reactive power compensator control and protection device, which comprises a cabinet body, a capacitor, a power acquisition module, a temperature acquisition module, an execution control module, a man-machine interaction module, an alarm module, a heat radiation fan, a smoke detector and a main control module; the capacitor and the cooling fan are arranged in the cabinet body; the power acquisition module acquires the power grid voltage of the inlet wire end of the reactive compensator; the total input current of the compensated system; the temperature acquisition module acquires the internal temperature of the reactive power compensator; the execution control module executes the control signal sent by the main control module; the man-machine interaction module is used for displaying and setting operation parameters, data and state information; the smoke detector is used for detecting whether smoke exists in the cabinet body. The main control module collects information sent by each electric connection module, makes logic judgment and sends a control instruction to each electric connection module; the utility model discloses the security of reactive power compensator itself has been improved greatly, provides more stable power for being compensated system.
Description
Technical field
The utility model relates to reactive power compensator field more particularly to a kind of controls of reactive power compensator and protection
Device.
Background technique
Idle compensating control is the most crucial part of reactive power compensator, is mounted in capacitor compensation cabinet.Reactive compensation
Controller passes through the electric current of acquisition network voltage and total input-wire cabinet, judges the demand of reactive compensation in power grid, measures according to demand,
The quantity for needing to put into capacitor is calculated, output section dividing control signal is given, reaches the process for controlling entire reactive compensation system.Nothing
Reactive power compensation installations have very important effect in power grid, and its safe and stable operation is the important portion for ensureing power grid security
Point.
Traditional idle compensating control major function is the switching for calculating idle amount, controlling capacitor group, for device
Protective effect it is very limited, then just bringing hidden danger for the safe operation of device.
Utility model content
In order to overcome the drawbacks of the prior art, the technical scheme adopted by the utility model is
A kind of control of reactive power compensator and protective device, including cabinet body, capacitor, power collection module, temperature are adopted
Collect module, execute control module, human-computer interaction module, alarm module, cooling fan, smoke detector, main control module.
Power collection module, executes control module, human-computer interaction module, alarm module, smoke detection at temperature collecting module
Device is electrically connected with the main control module respectively.The capacitor is mounted in the cabinet body, switching switch and the execution
Control module connection；The cooling fan is installed in the cabinet body, and is electrically connected with the execution control module.
The cabinet body is equipped with heat release hole；The capacitor is compensation device, provides no-power compensation function；
Power collection module includes voltage acquisition component and current acquisition component.Voltage acquisition component acquires reactive-load compensator
The total input current for the system that network voltage, the current acquisition component acquisition reactive-load compensator of end of incoming cables are compensated, the power
Voltage signal after acquisition is transferred to main control module with current signal by acquisition module.
Temperature collecting module acquires reactive power compensator capacitor box internal temperature, and is transferred to main control module.Master control
Molding block judges whether Current Temperatures need to intervene interference, if desired interferes, then includes idle by executing control module control
Compensation circuit, cooling fan are switched on or off, if system temperature meets or exceeds the alarm threshold value of setting, main control module is logical
It crosses alarm module and issues alarm signal.
The execution control module executes the control signal that the main control module is sent, the investment including controlling capacitor
With cutting, the start and stop of cooling fan, and executive condition is fed back into the main control module；
Human-computer interaction module is touch screen, for showing and being arranged various operating parameters, the data of capacitor box compensation device
And status information；
The alarm module is for issuing sound and light alarm signal and wireless alarm signal；
The cooling fan is used to improve the speed air flow of the interior of the cabinet；
The main control module collects the information that each piece electric coupling module is sent, and makes logic judgment, to each electrical connection
Module sends control instruction；As main control module calculates institute's compensation system according to the voltage and current that power collection module acquires
Reactive requirement amount determines the capacitance for needing switching according to reactive requirement amount, and sends capacitor switching to control module is executed
Signal.
Smoke detector is installed, the smoke detector has non smoke for detecting in the cabinet body in the cabinet body.
In reactive power compensator, due to the particularity of capacitor, if aging circuit, the failures such as component damage occur for capacitor
When, a large amount of smog can be generated first, but there are no big variation, be not enough to excitation with electric current, voltage is circuit parameter at this time
The protection act of reference value, if taken no action to, failure will further expansion, until in circuit parameter occur it is sufficiently large
Variation is excited using electric current, voltage as the protection act of reference value, but is often had resulted at this time by power parameter in compensation system
Big ups and downs.If report can be issued at the first time in the case where reactive power compensator only generates smog also further deterioration
The movement of alert and interlock protection, may further ensure that the safe operation of reactive power compensator, meanwhile, the protection of reactive power compensator
Movement belongs to normal electric appliance switching for by compensation system, without unexpected power-supply fluctuation, for being by compensation
It is also safer for system.
When generating smog inside equipment, in the outer ionisation chamber of smoke detector, because smog is disturbing charged particle just
Often movement, electric current, the voltage of smoke detector will change, and destroy the balance between inside and outside ionisation chamber, smoke detection
Device issues signal and is transferred to main control module, and main control module directly to control module sending instruction is executed, turns off all idle
Compensation circuit, main control module are issued by alarm module and are alarmed.
Based on the above technical solution, the utility model can also do following improvement.
Preferably, there are also isolation filter components in the power collection module, the voltage and current signals after sampling pass through every
From being sent to main control module after filtering unit.
Preferably, the temperature collecting module further includes acquiring capacitor by pre-buried temperature sampler in the capacitor
Internal temperature.
It preferably, further include communication module, for external carry out information communication, the main control module can be by logical
News module and remote monitoring system or fire-fighting system are communicated.
Compared with prior art, the utility model has the following technical effect that
The introducing of the safety of reactive-load compensator itself, especially smoke detector has been greatly reinforced, it can be in equipment event
Barrier initial stage just provides alarm signal and turns off all reactive power compensation circuits in advance, has further ensured that reactive-load compensator itself
Safety, since protection act is to turn off reactive power compensation circuit according to normal operation sequence, for rushing for the system that is compensated
It is also the smallest for hitting, and is avoided caused by reactive-load compensator failure itself by the further failure of compensation system.
Detailed description of the invention
Fig. 1 is the reactive power compensator control and the structural schematic diagram of protective device of the utility model；
In the accompanying drawings, module title represented by each label is listed as follows:
1, power collection module；
101, voltage acquisition component；
102, current acquisition component；
103, isolation filter component；
2, main control module；
3, temperature collecting module；
4, control module is executed；
5, human-computer interaction module；
6, alarm module；
7, smoke detector；
8, communication module；
9, cooling fan；
10, capacitor.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
It please refers to shown in Fig. 1, is the reactive power compensator control and the structural representation of protective device of the utility model
Figure.The reactive power compensator control and protective device include cabinet body (being not drawn into figure), capacitor 10, power collection module
1, main control module 2, temperature collecting module 3, execution control module 4, human-computer interaction module 5, alarm module 6, smoke detector
7, communication module 8, cooling fan 9 form.
Power collection module 1, executes control module 4, human-computer interaction module 5, alarm module 6, cigarette at temperature collecting module 3
Fog detector 7 is electrically connected with the main control module 2 respectively.The capacitor 10 is mounted in the cabinet body, switching switch
It is connect with the execution control module 4；The cooling fan 9 is installed in the cabinet body, and electric with the execution control module 4
Connection.
The cabinet body is equipped with heat release hole；The capacitor 10 is compensation device, provides no-power compensation function；
Power collection module 1 includes voltage acquisition component 101 and current acquisition component 102.Voltage acquisition component 101 acquires
Network voltage, the current acquisition component 102 of reactive-load compensator end of incoming cables acquire the total input for the system that reactive-load compensator is compensated
Voltage signal after acquisition is transferred to main control module 2 with current signal by electric current, the power collection module 1.
Temperature collecting module 3 acquires reactive power compensator capacitor box internal temperature, and is transferred to main control module 2.It is main
Control module 2 judges whether Current Temperatures need to intervene interference, if desired interferes, then includes by executing the control of control module 4
Reactive power compensation circuit, cooling fan 9 are switched on or off, if system temperature meets or exceeds the alarm threshold value of setting, main control
Module 2 issues alarm signal by alarm module 6.
The execution control module 4 executes the control signal that the main control module 2 is sent, the throwing including controlling capacitor
Enter and cut off, the start and stop of cooling fan 9, and executive condition is fed back into the main control module；
Human-computer interaction module 5 is touch screen, for showing and being arranged each of reactive power compensator control and protective device
Kind operating parameter, data and status information；
The alarm module 6 is for issuing sound and light alarm signal and wireless alarm signal；
The cooling fan 9 is used to improve the speed air flow of the interior of the cabinet；
The main control module 2 collects the information that each piece electric coupling module is sent, and makes logic judgment, to each electrical connection
Module sends control instruction；As main control module 2 calculates institute's compensation system according to the voltage and current that power collection module 1 acquires
Reactive requirement amount, determined according to reactive requirement amount and need the capacitance of switching, and thrown to executing control module 4 and sending capacitor
Cut signal.
Smoke detector 7 is installed, the smoke detector 7 has smokelessly for detecting in the cabinet body in the cabinet body
Mist.In reactive power compensator, due to the particularity of capacitor, if aging circuit, the event such as component damage occur for capacitor
When barrier, a large amount of smog can be generated first, but circuit parameter is not enough to excite with electric current, voltage there are no big variation at this time
For the protection act of reference value, if taken no action to, failure will further expansion, until in circuit parameter occur it is sufficiently large
Variation, excitation often have resulted in joined by power supply in compensation system at this time using electric current, voltage as the protection act of reference value
Several big ups and downs.If can be issued at the first time in the case where reactive power compensator only generates the also further deterioration of smog
It alarms and interlock protection acts, may further ensure that the safe operation of reactive power compensator, meanwhile, the guarantor of reactive power compensator
Shield movement belongs to normal electric appliance switching for by compensation system, without unexpected power-supply fluctuation, for being compensated
It is also safer for system.
When generating smog inside equipment, in the outer ionisation chamber of smoke detector 6, because smog is disturbing charged particle just
Often movement, electric current, the voltage of smoke detector 6 will change, and destroy the balance between inside and outside ionisation chamber, smoke detection
Device 6 issues signal and is transferred to main control module 1, and for main control module 2 directly to the sending instruction of control module 4 is executed, shutdown is all
Reactive power compensation circuit, main control module 2 issue alarm by alarm module 6.
Based on the above technical solution, the utility model can also do following improvement.
Preferably, there are also isolation filter component 103 in the power collection module 1, the voltage and current signals after sampling
Main control module 2 is sent to after the filtering of isolation filter component 103.
Preferably, the temperature collecting module 3 further includes in pre-buried temperature sampler acquisition capacitor in the capacitor
The temperature in portion.
It preferably, further include communication module 8, for external carry out information communication, the main control module 2 can to pass through
Communication module 8 and remote monitoring system or fire-fighting system are communicated.
The reactive power compensator control of the utility model and protective device have greatly reinforced the peace of reactive-load compensator itself
The introducing of Quan Xing, especially smoke detector, can equipment fault initial stage just provide alarm signal and in advance shutdown institute whether there is or not
Function compensation circuit has further ensured that the safety of reactive-load compensator itself, since protection act is according to normal operation
Program turn off reactive power compensation circuit, the impact of the system for being compensated be also it is the smallest, avoid reactive-load compensator and originally die
By the further failure of compensation system caused by barrier.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of reactive power compensator control and protective device characterized by comprising cabinet body, capacitor, power collecting mould
Block, executes control module, human-computer interaction module, alarm module, cooling fan, smoke detector, main control at temperature collecting module
Module；
The power collection module, executes control module, human-computer interaction module, alarm module, smoke detection at temperature collecting module
Device is electrically connected with the main control module respectively；The capacitor is mounted in the cabinet body, switching switch and the execution
Control module connection；The cooling fan is installed in the cabinet body, and is electrically connected with the execution control module；
The cabinet body is equipped with heat release hole；The capacitor is compensation device, provides no-power compensation function；
The power collection module includes voltage acquisition component and current acquisition component, and the voltage acquisition component acquires idle benefit
Repay the network voltage of device end of incoming cables；Current acquisition component is acquired by total input current of compensation system, the power collection module
Voltage signal after acquisition is transferred to main control module with current signal；
The temperature collecting module acquires reactive power compensator internal temperature, and is transferred to main control module；
The execution control module executes the control signal that the main control module is sent, including control capacitor investment with cut
Disconnected, cooling fan start and stop, and executive condition is fed back into the main control module；
The human-computer interaction module is used to show and be arranged the operating parameter, data and status information of reactive power compensator；
The alarm module is for issuing sound and light alarm signal and wireless alarm signal；
The cooling fan is used to improve the speed air flow of the interior of the cabinet；
The smoke detector has non smoke for detecting in the cabinet body；
The main control module collects the information that each piece electric coupling module is sent, and makes logic judgment, to the module of each electrical connection
Send control instruction.
2. reactive power compensator control according to claim 1 and protective device, which is characterized in that the power collecting
There are also isolation filter components in module, and the voltage and current signals after sampling send the master to after the filtering of isolation filter component
Control module.
3. reactive power compensator control according to claim 1 or 2 and protective device, which is characterized in that the temperature
Acquisition module further includes the temperature sensor for being embedded in capacitor internal, for the temperature inside sense capacitor.
4. reactive power compensator control according to claim 1 or 2 and protective device, which is characterized in that further include leading to
Module is interrogated, the communication module is used for external carry out information communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078649.3U CN209462025U (en) | 2019-01-17 | 2019-01-17 | Reactive power compensator control and protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920078649.3U CN209462025U (en) | 2019-01-17 | 2019-01-17 | Reactive power compensator control and protection device |
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| Publication Number | Publication Date |
|---|---|
| CN209462025U true CN209462025U (en) | 2019-10-01 |
Family
ID=68044852
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920078649.3U Active CN209462025U (en) | 2019-01-17 | 2019-01-17 | Reactive power compensator control and protection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355215A (en) * | 2020-04-03 | 2020-06-30 | 巨邦集团有限公司 | Automatic change-over switch electric appliance |
| CN113325290A (en) * | 2021-06-25 | 2021-08-31 | 西安派瑞功率半导体变流技术股份有限公司 | Thyristor life aging screening device for high-voltage direct-current transmission valve |
| CN113607305A (en) * | 2021-08-05 | 2021-11-05 | 国网江苏省电力有限公司镇江供电分公司 | Alarm method for monitoring power environment of cabinet |
| CN114142485A (en) * | 2021-11-19 | 2022-03-04 | 国网山东省电力公司安丘市供电公司 | Spontaneous self-use distributed power supply reactive compensation control method and system |
| CN115173432A (en) * | 2022-07-20 | 2022-10-11 | 台州安耐杰电力设备有限公司 | Intelligent reactive power compensation device |
-
2019
- 2019-01-17 CN CN201920078649.3U patent/CN209462025U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111355215A (en) * | 2020-04-03 | 2020-06-30 | 巨邦集团有限公司 | Automatic change-over switch electric appliance |
| CN113325290A (en) * | 2021-06-25 | 2021-08-31 | 西安派瑞功率半导体变流技术股份有限公司 | Thyristor life aging screening device for high-voltage direct-current transmission valve |
| CN113607305A (en) * | 2021-08-05 | 2021-11-05 | 国网江苏省电力有限公司镇江供电分公司 | Alarm method for monitoring power environment of cabinet |
| CN114142485A (en) * | 2021-11-19 | 2022-03-04 | 国网山东省电力公司安丘市供电公司 | Spontaneous self-use distributed power supply reactive compensation control method and system |
| CN115173432A (en) * | 2022-07-20 | 2022-10-11 | 台州安耐杰电力设备有限公司 | Intelligent reactive power compensation device |
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