CN204732878U - Transforming plant voltage reactive intelligent controlling device - Google Patents
Transforming plant voltage reactive intelligent controlling device Download PDFInfo
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- CN204732878U CN204732878U CN201520439785.2U CN201520439785U CN204732878U CN 204732878 U CN204732878 U CN 204732878U CN 201520439785 U CN201520439785 U CN 201520439785U CN 204732878 U CN204732878 U CN 204732878U
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- reactor
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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
Abstract
The utility model relates to a kind of transforming plant voltage reactive intelligent controlling device, containing Intellectual computer controller, variac unit and signal gathering unit, containing voltage regulating loading tap changer in variac unit, switch input terminal is connected on low-pressure side bus, variac input is connected with the output of switch, variac output is connected with the first reactor input, the second vacuum switch input respectively, and the input of the first capacitor is connected with the output of the first reactor; The input of the second reactor is connected with the second vacuum switch output, and the input of the second capacitor is connected with the output of the second reactor.The utility model structure is simple, cost is low, good reliability.
Description
Technical field
The utility model relates to a kind of idle control device, particularly a kind of transforming plant voltage reactive intelligent controlling device.
Background technology
Idle control device is widely used in the every field of the national economy such as power industry, metallurgy, automobile making, petrochemical industry, municipal administration and traffic.At present, the reactive power compensation of domestic transformer station adopts fixed capacitor to compensate mostly, and its shortcoming automatically to regulate, and can often occur mending and owe to mend.In Urban Net Construction, the compensation arrangement that a lot of producer studies and produces with varying capacitors capacity (VQC) is means, these compensation arrangements there will be charge status owing to also existing in capacitor switching process, certain discharge lag must be had during capacitor switching, in good time switching cannot be realized at all, thus can not timely adjustment be realized, also just can not ensure reliability and the continous-stable of voltage, effectively can not reduce the wastage, increase economic efficiency.
Utility model content
The technical problems to be solved in the utility model is: not enough for prior art, provides that a kind of reactive power compensation precision is high, the transforming plant voltage reactive intelligent controlling device of fast response time.
The technical solution of the utility model:
A kind of transforming plant voltage reactive intelligent controlling device, containing Intellectual computer controller, variac unit and signal gathering unit, containing voltage regulating loading tap changer in variac unit, containing the voltage transformer summation current transformer being located at inlet wire side in signal gathering unit, the primary side of voltage transformer is connected in parallel on inlet wire side bus, current transformer primary side is connected on bus, and the secondary output of voltage transformer summation current transformer is connected with the analog input end of Intellectual computer controller; Switch input terminal is connected on low-pressure side bus, variac input is connected with the output of switch, variac output is connected with the first reactor input, the second vacuum switch input respectively, and the input of the first capacitor is connected with the output of the first reactor; The input of the second reactor is connected with the second vacuum switch output, and the input of the second capacitor is connected with the output of the second reactor; The input of voltage regulator controllers is connected with the output of Intellectual computer controller, the output of voltage regulator controllers is connected with the control end of voltage regulating loading tap changer, and the control coil input that the vacuum switch drive singal output of Intellectual computer controller is defeated with the second vacuum switch is connected.
The input of main transformer on-load voltage regulation controller is connected with the control output end of Intellectual computer controller, and the output of main transformer on-load voltage regulation controller is connected with the control end of main transformer on-load tap-changer.Main transformer shunting switch regulates main transformer in the underproof situation of the voltage of low-pressure side.
Containing microprocessor (dsp processor) in Intellectual computer controller.
The beneficial effects of the utility model:
1. the utility model is according to ripe VQC docking technique and Q=ω CU2 control principle, the mode adopting variac to combine with VQC carries out the adjustment of reactive power compensation and main transformer output voltage, by the exit potential regulating main transformer output voltage to change whole transformer station, change the first capacitor output capacity by the terminal voltage of variac regulating capacitor.Be applicable to the operational environment of Smaller load, be equivalent to that the first capacitor be divide into multiple combined capacity and carry out real-Time Compensation, realize reactive loss and minimize.If realize the second Capacitor banks and the first Capacitor banks parallel running by vacuum switch when network load is large, realize large load real-Time Compensation effect, not only reactive power compensation precision is high, also solve problem discharge time of capacitor in existing VQC switching process simultaneously, make the response speed of reactive power compensation faster.
2. the utility model have shove little, without impacting, reliability is high, improve utilization rate of equipment and installations, make transformer station maintain high power factor, thus reduce system loss, improve main transformer load capacity, systems stabilisation voltage.
3. the utility model capacitor in Reactive-power control process does not depart from electrical network all the time to there is not charge and discharge process corresponding speed fast, and capacitor operates in below its rated voltage forever, ensure that the safe handling of capacitor, extends the useful life of capacitor.
4. the utility model has perfect defencive function, digital communication function, can meet unattended and non-maintaining demand.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of transforming plant voltage reactive intelligent controlling device.
In figure, 110 signal gathering unit, 120 Intellectual computer controllers, 130 switches, 140 variacs, 141 voltage regulating loading tap changers, 150 first reactors, 160 first electric capacitors, 170 second vacuum switches, 180 second reactors, 190 second capacitors, 121 main transformer on-load voltage regulation controllers, 143 main transformer on-load tap-changers, 122 voltage regulator controllers.
Embodiment
See Fig. 1, in figure, transforming plant voltage reactive intelligent controlling device, containing Intellectual computer controller 120, variac unit 140 and signal gathering unit, containing voltage regulating loading tap changer 141 in variac unit 140, containing the voltage transformer summation current transformer being located at inlet wire side in signal gathering unit, the primary side of voltage transformer is connected in parallel on inlet wire side bus, current transformer primary side is connected on bus, and the secondary output of voltage transformer summation current transformer is connected with the analog input end of Intellectual computer controller 120; Switch 130 input is connected on low-pressure side bus, variac 140 input is connected with the output of switch 130, variac 140 output is connected with the first reactor 150 input, the second vacuum switch 170 input respectively, and the input of the first capacitor 160 is connected with the output of the first reactor 150; The input of the second reactor 180 is connected with the second vacuum switch 170 output, and the input of the second capacitor 190 is connected with the output of the second reactor 180; The input of voltage regulator controllers 122 is connected with the output of Intellectual computer controller 120, the output of voltage regulator controllers 122 is connected with the control end of voltage regulating loading tap changer 141, and the control coil input that the vacuum switch drive singal output of Intellectual computer controller 120 is defeated with the second vacuum switch 170 is connected.
The input of main transformer on-load voltage regulation controller 121 is connected with the control output end of Intellectual computer controller 120, and the output of main transformer on-load voltage regulation controller 121 is connected with the control end of main transformer on-load tap-changer 143.Main transformer on-load tap-changer regulates main transformer in the underproof situation of the voltage of low-pressure side.
Containing microprocessor (dsp processor) in Intellectual computer controller.
The model of voltage regulator controllers is: HMK7 on-load tap changers of transformers controller, manufacturer is: Huaming Power Equipment Manufacturing Co., Ltd., Shanghai.
Claims (1)
1. a transforming plant voltage reactive intelligent controlling device, containing Intellectual computer controller, variac unit and signal gathering unit, containing voltage regulating loading tap changer in variac unit, containing the voltage transformer summation current transformer being located at inlet wire side in signal gathering unit, the primary side of voltage transformer is connected in parallel on inlet wire side bus, current transformer primary side is connected on bus, and the secondary output of voltage transformer summation current transformer is connected with the analog input end of Intellectual computer controller; Switch input terminal is connected on low-pressure side bus, variac input is connected with the output of switch, variac output is connected with the first reactor input, the second vacuum switch input respectively, and the input of the first capacitor is connected with the output of the first reactor; The input of the second reactor is connected with the second vacuum switch output, and the input of the second capacitor is connected with the output of the second reactor; The input of voltage regulator controllers is connected with the output of Intellectual computer controller, the output of voltage regulator controllers is connected with the control end of voltage regulating loading tap changer, and the control coil input that the vacuum switch drive singal output of Intellectual computer controller is defeated with the second vacuum switch is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439785.2U CN204732878U (en) | 2015-06-25 | 2015-06-25 | Transforming plant voltage reactive intelligent controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520439785.2U CN204732878U (en) | 2015-06-25 | 2015-06-25 | Transforming plant voltage reactive intelligent controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732878U true CN204732878U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520439785.2U Expired - Fee Related CN204732878U (en) | 2015-06-25 | 2015-06-25 | Transforming plant voltage reactive intelligent controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026216A (en) * | 2019-12-18 | 2020-04-17 | 国网河南省电力公司检修公司 | Station is with becoming automatic voltage regulation device |
-
2015
- 2015-06-25 CN CN201520439785.2U patent/CN204732878U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026216A (en) * | 2019-12-18 | 2020-04-17 | 国网河南省电力公司检修公司 | Station is with becoming automatic voltage regulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20180625 |