CN208908365U - A kind of reactive power compensator based on combined multiple combination switch comprehensively control - Google Patents
A kind of reactive power compensator based on combined multiple combination switch comprehensively control Download PDFInfo
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- CN208908365U CN208908365U CN201821415997.7U CN201821415997U CN208908365U CN 208908365 U CN208908365 U CN 208908365U CN 201821415997 U CN201821415997 U CN 201821415997U CN 208908365 U CN208908365 U CN 208908365U
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- reactive power
- combination switch
- power compensator
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- 239000003990 capacitor Substances 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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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- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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Abstract
The utility model provides a kind of reactive power compensator based on combined multiple combination switch comprehensively control, and the reactive power compensator includes the first signal acquisition unit, filter unit, the first A/D converting unit, control processing unit, display unit, storage unit, key-press input unit, communication unit, alarm unit, combination switch, compensation capacitor, second signal acquisition unit and the 2nd A/D converting unit;First signal acquisition unit and the filter unit, the first A/D converting unit, the control processing unit, the combination switch, the compensation capacitor, the second signal acquisition unit are linked in sequence, the control processing unit is also connected with the display unit, the storage unit, the key-press input unit, the communication unit, the alarm unit, the 2nd A/D converting unit respectively, and the second signal acquisition unit is also connected with the 2nd A/D converting unit.
Description
Technical field
The utility model belongs to reactive power compensation technology field, in particular to a kind of to be based on combined multiple combination switch comprehensively control
Reactive power compensator.
Background technique
With the rapid development of economy, electric system is also constantly developing, people's lives power demand is also increasingly
Height, electric energy have become a part indispensable in people's life.With the continuous improvement of power demand, people are to electric energy
Quality requirement is also higher and higher.Reactive power is the indispensable a part of electric system, with being continuously increased for power load,
No-power vacancy in power grid is increasing, needs to carry out power grid effective reactive compensation, and then improve the power quality of power grid.
Present power distribution network is most of still to use traditional reactive power compensator, and conventional compensation device is by controller, exchange
The control such as contactor, certain electric arc can be generated, gush in A.C. contactor switching by carrying out reactive compensation according to power factor
Stream, and then stability of power system is impacted.Therefore, the utility model provides a kind of combined multiple combination switch, not only has
Have the advantages that mechanical switching power loss is low, there are also thyristor can zero passage on-off, switching without surge current the features such as, very good solution
Switching problem in existing reactive power compensator, and using the synthesis of the parameters such as power factor and reactive power, operating temperature
The method of control, the problems such as effectively avoiding throw in-of oscillation present in reactive power compensator, overcompensation, undercompensation.
Utility model content
The utility model provides a kind of reactive power compensator based on combined multiple combination switch comprehensively control, can be effective
The problems such as avoiding throw in-of oscillation present in reactive power compensator, overcompensation, undercompensation.
The utility model is specially a kind of reactive power compensator based on combined multiple combination switch comprehensively control, described idle
Compensation device include the first signal acquisition unit, filter unit, the first A/D converting unit, control processing unit, display unit,
Storage unit, key-press input unit, communication unit, alarm unit, combination switch, compensation capacitor, second signal acquisition unit
It is first signal acquisition unit and the filter unit, the first A/D converting unit, described with the 2nd A/D converting unit
It controls processing unit, the combination switch, the compensation capacitor, the second signal acquisition unit to be linked in sequence, the control
Processing unit processed also respectively with the display unit, the storage unit, the key-press input unit, the communication unit, institute
State alarm unit, the 2nd A/D converting unit is connected, the second signal acquisition unit also with the 2nd A/D convert
Unit is connected;The reactive power compensator calculates power factor according to the signal of acquisition, by big to the power factor
It is small to be compared judgement with preset power factor range, and then determine the need for carrying out reactive compensation, and calculate
The compensation capacitor is devoted oneself to work by the combination switch, realizes the intelligence of reactive power by the reactive power for needing to compensate
It can compensation.
First signal acquisition unit uses first voltage mutual inductor collection voltages signal, is acquired using current transformer
Current signal acquires the operating temperature of the reactive power compensator using temperature sensor;The second signal acquisition unit is adopted
The compensation capacitor voltage is acquired with second voltage mutual inductor.
The combination switch includes the first thyristor, the second thyristor, magnetic latching relay, protective condenser and protection electricity
Hinder device, after the protective condenser and protective resistor series connection with first thyristor, second thyristor, described
Magnetic latching relay is in parallel, first thyristor and the second thyristor reverse parallel connection;The protective condenser and described
Protective resistor is composed in series the absorbing circuit of first thyristor and second thyristor.
The key-press input unit carries out parameter setting, the parameter packet in conjunction with the display unit, the storage unit
Include the operating temperature alarming value of power factor range, the reactive power compensator.
The communication unit uses GPRS technology, is uploaded to the reactive power compensator relevant information using mobile network
Monitoring center receives the operational order that the monitoring center issues.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the reactive power compensator based on combined multiple combination switch comprehensively control of the utility model
Figure.
Fig. 2 is a kind of combination switch of the reactive power compensator based on combined multiple combination switch comprehensively control of the utility model
Structural schematic diagram.
Specific embodiment
The reactive power compensator based on combined multiple combination switch comprehensively control a kind of to the utility model with reference to the accompanying drawing
Specific embodiment elaborate.
As shown in Figure 1, the reactive power compensator of the utility model includes the first signal acquisition unit, filter unit, first
A/D converting unit, display unit, storage unit, key-press input unit, communication unit, alarm unit, is answered at control processing unit
Combination switch, compensation capacitor, second signal acquisition unit and the 2nd A/D converting unit, first signal acquisition unit and institute
State filter unit, the first A/D converting unit, the control processing unit, the combination switch, the compensation capacitor,
The second signal acquisition unit is linked in sequence, and the control processing unit is also single with the display unit, the storage respectively
First, the described key-press input unit, the communication unit, the alarm unit, the 2nd A/D converting unit are connected, described
Second signal acquisition unit is also connected with the 2nd A/D converting unit;The reactive power compensator is according to the signal of acquisition
Power factor is calculated, by being compared judgement with preset power factor range to the power factor size, into
And determine the need for carrying out reactive compensation, and calculate the reactive power for needing to compensate, it will be described by the combination switch
Compensation capacitor is devoted oneself to work, and realizes the intelligent compensation of reactive power.
First signal acquisition unit uses first voltage mutual inductor collection voltages signal, is acquired using current transformer
Current signal acquires the operating temperature of the reactive power compensator using temperature sensor;The second signal acquisition unit is adopted
The compensation capacitor voltage is acquired with second voltage mutual inductor.
As shown in Fig. 2, the combination switch includes the first thyristor 1, the second thyristor 2, magnetic latching relay 3, protection
Capacitor 4 and protective resistor 5, the protective condenser 4 and the protective resistor 5 connect after with first thyristor 1,
Second thyristor 2, the magnetic latching relay 3 are in parallel, and first thyristor 1 and second thyristor 2 are reversed simultaneously
Connection;The protective condenser 4 and the protective resistor 5 are composed in series first thyristor 1 and second thyristor 2
Absorbing circuit.
The key-press input unit carries out parameter setting, the parameter packet in conjunction with the display unit, the storage unit
Include the operating temperature alarming value of power factor range, the reactive power compensator;The power factor range using 0.95~
0.99, the operating temperature alarming value of the reactive power compensator uses 60 DEG C.
The communication unit uses GPRS technology, is uploaded to the reactive power compensator relevant information using mobile network
Monitoring center receives the operational order that the monitoring center issues.
Finally it should be noted that only illustrating the technical solution of the utility model in conjunction with above-described embodiment rather than limiting it
System.Those of ordinary skills in the art should understand that arriving, those skilled in the art can be to the specific implementation of the utility model
Mode is modified or replaced equivalently, but these modifications or change are being applied among pending claims.
Claims (5)
1. a kind of reactive power compensator based on combined multiple combination switch comprehensively control, which is characterized in that the reactive compensation dress
It sets single including the first signal acquisition unit, filter unit, the first A/D converting unit, control processing unit, display unit, storage
Member, key-press input unit, communication unit, alarm unit, combination switch, compensation capacitor, second signal acquisition unit and second
A/D converting unit, first signal acquisition unit and the filter unit, the first A/D converting unit, at the control
It manages unit, the combination switch, the compensation capacitor, the second signal acquisition unit to be linked in sequence, the control processing
Unit also respectively with the display unit, the storage unit, the key-press input unit, the communication unit, the alarm
Unit, the 2nd A/D converting unit are connected, the second signal acquisition unit also with the 2nd A/D converting unit phase
Connection.
2. a kind of reactive power compensator based on combined multiple combination switch comprehensively control according to claim 1, feature
It is, first signal acquisition unit uses first voltage mutual inductor collection voltages signal, acquires electricity using current transformer
Signal is flowed, the operating temperature of the reactive power compensator is acquired using temperature sensor;The second signal acquisition unit uses
Second voltage mutual inductor acquires the compensation capacitor voltage.
3. a kind of reactive power compensator based on combined multiple combination switch comprehensively control according to claim 2, feature
It is, the combination switch includes the first thyristor, the second thyristor, magnetic latching relay, protective condenser and protective resistance
Device, the protective condenser and the protective resistor series connection after with first thyristor, second thyristor, the magnetic
Guard relay is in parallel, first thyristor and the second thyristor reverse parallel connection;The protective condenser and the guarantor
Shield resistor in series forms the absorbing circuit of first thyristor and second thyristor.
4. a kind of reactive power compensator based on combined multiple combination switch comprehensively control according to claim 3, feature
It is, the key-press input unit carries out parameter setting in conjunction with the display unit, the storage unit, and the parameter includes function
The operating temperature alarming value of rate factor range, the reactive power compensator.
5. a kind of reactive power compensator based on combined multiple combination switch comprehensively control according to claim 4, feature
It is, the communication unit uses GPRS technology, and the reactive power compensator relevant information is uploaded to prison using mobile network
Control center receives the operational order that the monitoring center issues.
Priority Applications (1)
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CN201821415997.7U CN208908365U (en) | 2018-08-31 | 2018-08-31 | A kind of reactive power compensator based on combined multiple combination switch comprehensively control |
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CN201821415997.7U CN208908365U (en) | 2018-08-31 | 2018-08-31 | A kind of reactive power compensator based on combined multiple combination switch comprehensively control |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109066715A (en) * | 2018-08-31 | 2018-12-21 | 国网江苏省电力有限公司徐州供电分公司 | A kind of reactive power compensator and its compensation method based on combined multiple combination switch comprehensively control |
-
2018
- 2018-08-31 CN CN201821415997.7U patent/CN208908365U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109066715A (en) * | 2018-08-31 | 2018-12-21 | 国网江苏省电力有限公司徐州供电分公司 | A kind of reactive power compensator and its compensation method based on combined multiple combination switch comprehensively control |
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