CN203504192U - High-voltage step voltage and capacitance regulating reactive compensation complete equipment - Google Patents

High-voltage step voltage and capacitance regulating reactive compensation complete equipment Download PDF

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Publication number
CN203504192U
CN203504192U CN201320635238.2U CN201320635238U CN203504192U CN 203504192 U CN203504192 U CN 203504192U CN 201320635238 U CN201320635238 U CN 201320635238U CN 203504192 U CN203504192 U CN 203504192U
Authority
CN
China
Prior art keywords
voltage
regulating
capacitor
reactive compensation
capacitance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320635238.2U
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Chinese (zh)
Inventor
单博博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUEQING ZHONGRONG COMPENSATION POWER EQUIPMENT CO Ltd
Original Assignee
YUEQING ZHONGRONG COMPENSATION POWER EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUEQING ZHONGRONG COMPENSATION POWER EQUIPMENT CO Ltd filed Critical YUEQING ZHONGRONG COMPENSATION POWER EQUIPMENT CO Ltd
Priority to CN201320635238.2U priority Critical patent/CN203504192U/en
Application granted granted Critical
Publication of CN203504192U publication Critical patent/CN203504192U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

Abstract

The utility model provides a high-voltage step voltage and capacitance regulating reactive compensation complete equipment, comprising a disconnecting switch, a voltage regulating transformer, and a controller which is used to receive detecting voltage signal to control the voltage regulating transformer to perform reactive compensation. An end of the controller is provided with a detection device used to detect busbar voltage and load current. An end of the disconnecting switch is connected with a bus, and the other end is connected with the voltage regulating transformer. A leading-out terminal of the voltage regulating transformer is connected with a capacitor. Two ends of the capacitor are connected in parallel with a discharge coil. The capacitor is connected with a parallel-connecting high-voltage capacitor. The capacitor is installed on a high-voltage bus end, and a group of automatic step voltage and capacitance regulating compensation can solve system reactive compensation at the same time. A tap switch of the transformer is automatically adjusted according to reactive demanded quantity, so as to change real-time dynamic tracking compensation of voltage of capacitor pile heads. The equipment can effectively perform dynamic tracking compensation on reactive value of a system.

Description

Height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device
Technical field
The utility model relates to a kind of reactive power compensator, and especially a kind of height for electric power system is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device.
Background technology
Power factor and reactive balance are the important symbols of weighing power grid quality.The situation that China's rural power grids ubiquity radius of electricity supply is long, quality of voltage is poor, power factor is low.If nonfunctional obtains effective balance, can not only reduce greatly the loss of electrical network, and have great importance to improving quality of voltage.
Utility model content
The purpose of this utility model is to provide a kind of high grade pressure regulating and capacitance regulating formula reactive compensation complete device that is pressed with, and effectively improves grid voltage quality.
The purpose of this utility model realizes by following scheme: a kind of high grade pressure regulating and capacitance regulating formula reactive compensation complete device that is pressed with, it comprises isolating switch, voltage regulating transformer and controls for receiving detectable voltage signals the controller that voltage regulating transformer carries out reactive power compensation, described controller one end is provided with the checkout gear changing for detection of busbar voltage, described isolating switch one end is connected with bus, the other end is connected with voltage regulating transformer, capacitor successively, described capacitor two ends parallel discharge coil, described capacitor connects high-voltage capacitors connected in parallel device.
Described discharge coil two ends parallel discharge capacitor.
Described isolating switch ground connection.
Described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with lightning arrester, between a termination voltage regulating transformer and capacitor of described lightning arrester, and other end ground connection.
Ground connection after described lightning arrester series connection counter.
Described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with display screen, and described display screen is connected with controller.
Described checkout gear comprises current transformer and voltage transformer.
The utility model is installed on high-tension electricity bus end, divide one group of automatic capacity transfer compensation, resolution system reactive power compensation simultaneously, automatically regulates sub-connecting switch of transformer to change capacitor pile crown voltage by reactive requirement amount and dynamically follows the tracks of in fact compensation, can effectively to the idle amount of system, follow the tracks of compensation.
Accompanying drawing explanation
Accompanying drawing 1 is primary system figure of the present utility model.
Embodiment
The utility model provides a kind of high grade pressure regulating and capacitance regulating formula reactive compensation complete device that is pressed with, it comprises isolating switch 1, voltage regulating transformer 2 and controls for receiving detectable voltage signals the controller 3 that voltage regulating transformer 2 carries out reactive power compensation, described controller 3 one end are provided with the checkout gear 4 changing for detection of busbar voltage, described isolating switch 1 one end is connected with bus, the other end is connected with voltage regulating transformer 2, capacitor 5 successively, described capacitor 5 two ends parallel discharge coils 7, described capacitor 5 connects high-voltage capacitors connected in parallel device 6.
Controller 3 completes high-low pressure main circuit current, voltage, meritorious, idle, power factor, the isoparametric comprehensive monitoring of device temperature by checkout gear 4, and regulates according to the state of System Reactive Power.Then the capacitance voltage of 4 pairs of capacitors 5 of controller control voltage regulating transformer regulates, by reactive requirement amount, automatically regulate sub-connecting switch of transformer to change the real dynamically tracking of capacitor pile crown voltage compensation, can effectively to the idle amount of system, follow the tracks of compensation.
Described high-voltage capacitors connected in parallel device 6 adopts single star-star connection mode.The built-in fuse overcurrent protection of described capacitor 5.In described voltage regulating transformer 2, be provided with on load tap changer, realize and under the control of controller, complete the adjusting of capacitance voltage.
Described discharge coil 7 adopts dry-type discharge coils, mainly as open-delta protection and electric discharge, measure use, capacitor is thrown off after power supply, can in 5s, the residual voltage on capacitor be down to below 50V.
Described discharge coil 7 two ends parallel discharge capacitors 8; when the open delta voltage of described discharge coil 7 is exported discharging capacitor 8 fault, open delta output voltage connects electric capacity outgoing line cabinet and jumps electric capacity outgoing line cabinet circuit breaker, and three-phase 100V Voltage-output is for measuring overvoltage under-voltage protection.
Described isolating switch 1 ground connection, for guaranteeing maintainer's personal safety, at the mains side of capacitor 5, all installs isolating switch with ground for maintenance.By by the isolating switch ground connection of mains side, to improve security reliability.
Described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with lightning arrester 9, between a termination voltage regulating transformer 2 and capacitor 5 of described lightning arrester 9, and other end ground connection.
The rear ground connection of described lightning arrester 9 series connection counter 10, for counting discharge time.
Described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with display screen, and described display screen is connected with controller 3.By display screen, carry out visualized operation, directly from display screen, carry out data acknowledge and read, convenient and swift.
Described checkout gear 4 comprises current transformer and voltage transformer.Be respectively used to detect electric current and magnitude of voltage.
Although by reference to the accompanying drawings and subordinate list the utility model embodiment has been done to detailed description; it is only execution mode of the present utility model that but those skilled in the art should be understood that above embodiment; and the not restriction to protection range of the present utility model, any improvement of doing based on utility model of the present utility model is all naturally in the utility model protection range.

Claims (7)

1. one kind high is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that: it comprises isolating switch (1), voltage regulating transformer (2) and the controller (3) that carries out reactive power compensation for receiving detectable voltage signals control voltage regulating transformer (2), described controller (3) one end is provided with the checkout gear (4) for detection of busbar voltage variation and load current, described isolating switch (1) one end is connected with bus, the other end successively with voltage regulating transformer (2), capacitor (5) connects, described capacitor (5) two ends parallel discharge coils (7), described capacitor (5) connects high-voltage capacitors connected in parallel device (6).
2. height according to claim 1 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that described discharge coil (7) two ends parallel discharge capacitors (8).
3. height according to claim 1 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that described isolating switch (1) ground connection.
4. height according to claim 1 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that, described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with lightning arrester (9), between the one termination voltage regulating transformer (2) and capacitor (5) of described lightning arrester (9), other end ground connection.
5. height according to claim 4 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that ground connection after described lightning arrester (9) series connection counter (10).
6. height according to claim 1 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that, described height is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device and is provided with display screen, and described display screen is connected with controller (3).
7. height according to claim 1 is pressed with a grade pressure regulating and capacitance regulating formula reactive compensation complete device, it is characterized in that, described checkout gear (4) comprises current transformer and voltage transformer.
CN201320635238.2U 2013-10-16 2013-10-16 High-voltage step voltage and capacitance regulating reactive compensation complete equipment Expired - Fee Related CN203504192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320635238.2U CN203504192U (en) 2013-10-16 2013-10-16 High-voltage step voltage and capacitance regulating reactive compensation complete equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320635238.2U CN203504192U (en) 2013-10-16 2013-10-16 High-voltage step voltage and capacitance regulating reactive compensation complete equipment

Publications (1)

Publication Number Publication Date
CN203504192U true CN203504192U (en) 2014-03-26

Family

ID=50335137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320635238.2U Expired - Fee Related CN203504192U (en) 2013-10-16 2013-10-16 High-voltage step voltage and capacitance regulating reactive compensation complete equipment

Country Status (1)

Country Link
CN (1) CN203504192U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107887916A (en) * 2017-12-21 2018-04-06 无锡市锡容电力电器有限公司 A kind of pressure regulating and capacitance regulating compensation device
CN113241770B (en) * 2021-05-19 2022-09-13 国家电网有限公司 Voltage adjusting device for 10kV power distribution network system, installation method and voltage control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107887916A (en) * 2017-12-21 2018-04-06 无锡市锡容电力电器有限公司 A kind of pressure regulating and capacitance regulating compensation device
CN113241770B (en) * 2021-05-19 2022-09-13 国家电网有限公司 Voltage adjusting device for 10kV power distribution network system, installation method and voltage control method

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20141016

EXPY Termination of patent right or utility model