CN204361691U - Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation - Google Patents

Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation Download PDF

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Publication number
CN204361691U
CN204361691U CN201520078738.XU CN201520078738U CN204361691U CN 204361691 U CN204361691 U CN 204361691U CN 201520078738 U CN201520078738 U CN 201520078738U CN 204361691 U CN204361691 U CN 204361691U
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CN
China
Prior art keywords
distribution network
metering
power distribution
reactive power
outlet
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Expired - Fee Related
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CN201520078738.XU
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Chinese (zh)
Inventor
张峻岭
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State Grid Corp of China SGCC
State Grid Heilongjiang Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Heilongjiang Electric Power Co Ltd
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Priority to CN201520078738.XU priority Critical patent/CN204361691U/en
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Publication of CN204361691U publication Critical patent/CN204361691U/en
Expired - Fee Related legal-status Critical Current
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    • 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

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  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model relates to a kind of power distribution network Intelligent Low-voltage Reactive Power Compensation Installation.The level that the intellectuality of current China Distribution Network Equipment runs is nowhere near, and therefore carries out the intellectualized technology research of power distribution network, develops relevant power distribution network intelligence and new material meets next step Strategic Demand developed of electrical network.The utility model composition comprises: casing (15), described box house upper right side is provided with inlet wire copper busbar (1), metering ammeter (2) is housed below described inlet wire copper busbar, 3 metering instrument transformers (3) are housed below described metering ammeter, metering junction box (4) is installed below described metering instrument transformer, the dividing plate of described bottom half is provided with inlet wire cable clip and zero-sequenceprotection instrument transformer (5), described box house upper left side is provided with electric capacity protective circuit breaker (6), common benefit capacitor fling-cut switch (7) is housed below described electric capacity protective circuit breaker.The utility model is used for power distribution network Intelligent Low-voltage Reactive Power Compensation Installation.

Description

Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation
technical field:
the utility model relates to a kind of power distribution network Intelligent Low-voltage Reactive Power Compensation Installation.
background technology:
in current China power network development process, the construction of the intelligent level of backbone network is in first place in the world, all kinds of intellectualized technology means are all successfully applied on power transmission and transforming equipment, by contrast, the level that China's Distribution Network Equipment intellectuality runs is nowhere near, therefore carry out the intellectualized technology research of power distribution network, develop relevant power distribution network intelligence and new material meets next step Strategic Demand developed of electrical network.
from application market, the develop rapidly at home and abroad of reactive power compensator industry, penetrate into the generation of electric energy, conveying, the links distributing and apply, be widely applied to industrial system, electric power system, traffic system, communication system, computer system, in new energy resources system and daily life, it is the basic technology of other all industries using electric energy, under the energetically support of country to advanced manufacturing industry, facilitate the development of reactive power compensator industry simultaneously, under advocating energy-saving and emission-reduction and safety in production macroscopic in the whole society, produce market demand will keep increasing, the market space progressively expands, give to manage and bring good opportunity and wide space with development.
quality of voltage is to the stabilization of power grids and the loss of power equipment safety working line, industrial or agricultural is kept the safety in production, product quality, electricity consumption unit consumption and people's lives electricity consumption have directly, electrical network is progressively expanded electric load and is increased very fast, electric pressure is more and more higher, electrical network, generator single-machine capacity is also increasing, the geography that electrical network covers constantly is expanding still, due to geographical environment, fuel transport, the impact of the factors such as water resources and scale of economic development, cause power distribution unbalanced, ensure the stable and excellent quality of power supply of system, just long distance power transmission must be solved, the problem such as voltage-regulation and reactive power compensation, var is the key factor affecting quality of voltage, quality of voltage is inseparable with idle, can say that voltage problem is exactly idle problem in essence.Resolve reactive power compensation problem, tool is of great significance, at present, reactive power compensation and the voltage-regulation of many local electricity systems still adopt traditional regulative mode, on-load tap-changing transformer, electrostatic condenser etc. can only manual adjustments and switchings, can not realize real-time voltage and regulate or reactive power compensation.
utility model content:
the purpose of this utility model is to provide a kind of power distribution network Intelligent Low-voltage Reactive Power Compensation Installation.
above-mentioned object is realized by following technical scheme:
a kind of power distribution network Intelligent Low-voltage Reactive Power Compensation Installation; its composition comprises: casing; described box house upper right side is provided with inlet wire copper busbar; below described inlet wire copper busbar, metering ammeter is housed; 3 metering instrument transformers are housed below described metering ammeter; below described metering instrument transformer, metering junction box is installed; the dividing plate of described bottom half is provided with inlet wire cable clip and zero-sequenceprotection instrument transformer; described box house upper left side is provided with electric capacity protective circuit breaker, below described electric capacity protective circuit breaker, common benefit capacitor fling-cut switch is housed.。
described power distribution network Intelligent Low-voltage Reactive Power Compensation Installation, described common benefit capacitor fling-cut switch side is provided with meticulous reactive-load compensator, and described meticulous reactive-load compensator side is provided with common benefit capacitor.
described power distribution network Intelligent Low-voltage Reactive Power Compensation Installation; described box house upper left side is provided with anti-error type isolating switch; outlet zero line row is installed below described anti-error type isolating switch; the right centre position of described box house is provided with outlet breaker of plastic casing; below described outlet breaker of plastic casing, outlet copper busbar is installed, the dividing plate of described bottom half is provided with outlet cable folder and zero-sequenceprotection instrument transformer.
described power distribution network Intelligent Low-voltage Reactive Power Compensation Installation, described inlet wire copper busbar, described metering ammeter, described metering instrument transformer, described metering junction box, described inlet wire cable clip and zero-sequenceprotection instrument transformer and described anti-error type isolating switch, described outlet zero line are arranged the two sides being arranged on described casing central dividing plate respectively and are also connected with controller by electricity.
described power distribution network Intelligent Low-voltage Reactive Power Compensation Installation, described electric capacity protective circuit breaker, described common benefit capacitor fling-cut switch, described meticulous reactive-load compensator, described common benefit capacitor press from both sides with described outlet breaker of plastic casing, described outlet copper busbar, described outlet cable and zero-sequenceprotection instrument transformer is arranged on described casing both sides transverse slat respectively and be connected with controller by electric.
beneficial effect:
1. the utility model be as power distribution, control, metering, reactive power compensation and protection comprehensive low tension switch reactive power compensator; there is the advantages such as degree of protection is high, rational in infrastructure, practical, power savings is obvious; guarantee power distribution system secure is run; improve power supply quality and there is remarkable result, realize Reactive Power Compensation in real time to ensure the continous-stable of power system voltage simultaneously.
the utility model installs to mend capacitor altogether on electrical network, reached and reduce line voltage distribution loss, improve the object of power supply unit utilance by the power factor improving electrical network.
low-voltage reactive compensator capable of the present utility model is applicable to the reactive power automatic compensation of frequency 50Hz voltage 0.4kV urban distribution network, have employed domestically leading technology and up-to-date components and parts, integrate reactive power compensation and power network monitoring, not only can reactive loss in compensation network, improve power factor, reduce line loss, thus improve load capacity and the power supply quality of electrical network.
casing of the present utility model adopts stainless steel material, and plastic-blasting or Passivation Treatment are done in surface, make the outward appearance of product neat and artistic, simultaneously stainless steel material have ageing-resistant, anticorrosive, the feature of high life.
inlet wire copper busbar of the present utility model, metering ammeter, metering instrument transformer, metering junction box, inlet wire cable clip and zero-sequenceprotection instrument transformer and anti-error type isolating switch, outlet zero line arrange the two sides of the dividing plate be arranged on respectively in the middle of casing; this structural design compact and reasonable, wiring neatly generous; easy to maintenance, will dispel the heat and seal approach perfect adaptation simultaneously.
of the present utility modelly possess overvoltage, under-voltage, phase shortage, harmonic wave transfinite, transship, the defencive function such as open circuit, adopt intelligent compound switch, either do not have switching to shove but also without the need to heat radiation, or can not produce harmonic injection, reliability is higher.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present utility model.
accompanying drawing 2 is rearviews of accompanying drawing 1.
embodiment:
embodiment 1:
a kind of power distribution network Intelligent Low-voltage Reactive Power Compensation Installation, its composition comprises: casing 15, described box house upper right side is provided with inlet wire copper busbar 1, below described inlet wire copper busbar, metering ammeter 2 is housed, 3 metering instrument transformers 3 are housed below described metering ammeter, below described metering instrument transformer, metering junction box 4 is installed, the dividing plate of described bottom half is provided with inlet wire cable clip and zero-sequenceprotection instrument transformer 5, described box house upper left side is provided with electric capacity protective circuit breaker 6, below described electric capacity protective circuit breaker, common benefit capacitor fling-cut switch 7 is housed.
embodiment 2:
power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to embodiment 1, described common benefit capacitor fling-cut switch side is provided with meticulous reactive-load compensator 8, and described meticulous reactive-load compensator side is provided with common benefit capacitor 9.
embodiment 3:
power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to embodiment 1 or 2; described box house upper left side is provided with anti-error type isolating switch 10; outlet zero line row 11 is installed below described anti-error type isolating switch; the right centre position of described box house is provided with outlet breaker of plastic casing 12; below described outlet breaker of plastic casing, outlet copper busbar 13 is installed, the dividing plate of described bottom half is provided with outlet cable folder and zero-sequenceprotection instrument transformer 14.
embodiment 4:
power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to embodiment 1 or 3, described inlet wire copper busbar, described metering ammeter, described metering instrument transformer, described metering junction box, described inlet wire cable clip and zero-sequenceprotection instrument transformer and described anti-error type isolating switch, described outlet zero line are arranged the two sides being arranged on described casing central dividing plate respectively and are also connected with controller by electricity.
embodiment 5:
power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to embodiment 1 or 3, described electric capacity protective circuit breaker, described common benefit capacitor fling-cut switch, described meticulous reactive-load compensator, described common benefit capacitor press from both sides with described outlet breaker of plastic casing, described outlet copper busbar, described outlet cable and zero-sequenceprotection instrument transformer is arranged on described casing both sides transverse slat respectively and be connected with controller by electric.
embodiment 6:
the method that power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to embodiment 1-5 compensates, first be input signal from the electric current of arbitrary phase voltage and same phase, and reactive power compensation needs to adopt voltage three-phase current simultaneously, controller according to sampling gained electric current and voltage value through software program analytical calculation, try to achieve current no-power vacancy and power factor, through comparing relevant data input logic control circuit with set point, through the switching of output port control capacitor, thus carry out reactive power compensation;
concrete method is by judging whether to be incorporated to common benefit capacitor to the phase-detection of voltage and current, and automatically completed by control device, by described common benefit capacitor and metering inductor be connected in same circuit, when described metering inductance absorbs energy, just in time described common benefit capacitor releases energy, and described metering inductance is when releasing energy, described common benefit capacitor is but at absorption energy, energy just exchanges between which, namely the reactive power of inductive load absorption, is compensated in the reactive power exported by described common benefit capacitor.

Claims (5)

1. a power distribution network Intelligent Low-voltage Reactive Power Compensation Installation, its composition comprises: casing, it is characterized in that: described box house upper right side is provided with inlet wire copper busbar, below described inlet wire copper busbar, metering ammeter is housed, 3 metering instrument transformers are housed below described metering ammeter, below described metering instrument transformer, metering junction box is installed, the dividing plate of described bottom half is provided with inlet wire cable clip and zero-sequenceprotection instrument transformer, described box house upper left side is provided with electric capacity protective circuit breaker, below described electric capacity protective circuit breaker, common benefit capacitor fling-cut switch is housed.
2. power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1, is characterized in that: described common benefit capacitor fling-cut switch side is provided with meticulous reactive-load compensator, and described meticulous reactive-load compensator side is provided with common benefit capacitor.
3. power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1; it is characterized in that: described box house upper left side is provided with anti-error type isolating switch; outlet zero line row is installed below described anti-error type isolating switch; the right centre position of described box house is provided with outlet breaker of plastic casing; below described outlet breaker of plastic casing, outlet copper busbar is installed, the dividing plate of described bottom half is provided with outlet cable folder and zero-sequenceprotection instrument transformer.
4. the power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1 or 3, is characterized in that: described inlet wire copper busbar, described metering ammeter, described metering instrument transformer, described metering junction box, described inlet wire cable clip and zero-sequenceprotection instrument transformer and described anti-error type isolating switch, described outlet zero line are arranged the two sides being arranged on described casing central dividing plate respectively and be also connected with controller by electricity.
5. the power distribution network Intelligent Low-voltage Reactive Power Compensation Installation according to claim 1 or 3, is characterized in that: described electric capacity protective circuit breaker, described common benefit capacitor fling-cut switch, described meticulous reactive-load compensator, described common benefit capacitor press from both sides with described outlet breaker of plastic casing, described outlet copper busbar, described outlet cable and zero-sequenceprotection instrument transformer is arranged on described casing both sides transverse slat respectively and be connected with controller by electric.
CN201520078738.XU 2015-02-04 2015-02-04 Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation Expired - Fee Related CN204361691U (en)

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CN201520078738.XU CN204361691U (en) 2015-02-04 2015-02-04 Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520078738.XU CN204361691U (en) 2015-02-04 2015-02-04 Power distribution network Intelligent Low-voltage Reactive Power Compensation Installation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600721A (en) * 2015-02-04 2015-05-06 国网黑龙江省电力有限公司绥化供电公司 Intelligent low-voltage reactive power compensation device of power distribution network and compensation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600721A (en) * 2015-02-04 2015-05-06 国网黑龙江省电力有限公司绥化供电公司 Intelligent low-voltage reactive power compensation device of power distribution network and compensation method
CN104600721B (en) * 2015-02-04 2017-05-03 国网黑龙江省电力有限公司绥化供电公司 Intelligent low-voltage reactive power compensation device of power distribution network and compensation method

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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: 20150527

Termination date: 20180204