CN206775140U - Construction distribution header tank reactive power compensator - Google Patents

Construction distribution header tank reactive power compensator Download PDF

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Publication number
CN206775140U
CN206775140U CN201720521333.8U CN201720521333U CN206775140U CN 206775140 U CN206775140 U CN 206775140U CN 201720521333 U CN201720521333 U CN 201720521333U CN 206775140 U CN206775140 U CN 206775140U
Authority
CN
China
Prior art keywords
header tank
distribution header
automatic switching
reactive power
power
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
CN201720521333.8U
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Chinese (zh)
Inventor
李正
许前江
王冰
张长帅
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.)
Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Original Assignee
Second Construction Co Ltd of China Construction Eighth Engineering Division 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 Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd filed Critical Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority to CN201720521333.8U priority Critical patent/CN206775140U/en
Application granted granted Critical
Publication of CN206775140U publication Critical patent/CN206775140U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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

Abstract

The utility model provides a kind of construction distribution header tank reactive power compensator, belongs to construction engineering technical field, its structure includes distribution header tank and automatic switching capacitor bank;Distribution electricity consumption master switch on distribution header tank, which goes out, connects total disconnecting switch at power supply;Total ten loops of lower point of connection of disconnecting switch, ten loops are parallel with one another;Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor are sequentially connected in series on each loop;Ten automatic switching capacitor units form automatic switching capacitor bank;Power factor display and intelligent reactive power automatic compensation controller are configured on distribution header tank.Power factor can be maintained at predetermined state by ten group capacitor groups of the construction distribution header tank reactive power compensator all the time according to the group number of the size automatic switching capacitor bank of header tank load.Capacitor is changed to ten groups of small capacitances by one group of conventional bulky capacitor, avoids energy dissipation and to impact of the excessive compensation to power network.

Description

Construction distribution header tank reactive power compensator
Technical field
Construction engineering technical field is the utility model is related to, specifically a kind of construction distribution header tank reactive-load compensation Device.
Background technology
In general, construction equipment power factor is relatively low, and typically 0.6 or so, power consumption efficiency is very low, causes electricity consumption Significant wastage, in order to improve the power factor of construction electrical equipment, improve power consumption efficiency, play energy efficiency, save The effect of cost, it would be highly desirable to which demand is a kind of to meet the high system and device of electrical efficiency.
The content of the invention
Technical assignment of the present utility model is that solve the deficiencies in the prior art, there is provided a kind of construction distribution header tank is idle Compensation device.
The technical solution of the utility model realizes that the construction distribution header tank reactive-load compensation fills in the following manner Put, its structure includes distribution header tank and automatic switching capacitor bank;
Distribution electricity consumption master switch on distribution header tank, which goes out, connects total disconnecting switch at power supply;Total lower point of connection ten of disconnecting switch Individual loop, ten loops are parallel with one another;
Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor are sequentially connected in series on each loop;
Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor series on each loop form automatic Switched capacitor unit;
Ten automatic switching capacitor units form automatic switching capacitor bank;
Power factor display and intelligent reactive power automatic compensation controller are configured on distribution header tank,
Intelligent reactive power automatic compensation controller can be preset to distribution header tank power factor target value, intelligent nothing Work(Reactive Power Automatic Compensation Controller according to the group number of the size automatic switching capacitor bank of distribution header tank load, all the time by power because Number is maintained at preset state.
Always between disconnecting switch and ten loops and it is connected to lightning protection line, lightning protection line lightning protection.
Caused beneficial effect is the utility model compared with prior art:
Ten group capacitor groups of the construction distribution header tank reactive power compensator can be automatic according to the size of header tank load The group number of switched capacitor group, is maintained at predetermined state by power factor all the time.Per group capacitor group by breaker, contactor, Electrothermal relay etc. forms, and can realize the automatic switching of capacitor bank.Capacitor is changed to ten groups small by one group of conventional bulky capacitor Electric capacity, avoid energy dissipation and to impact of the excessive compensation to power network.
Power supply going out at power supply from normal distribution electricity consumption master switch at the total disconnecting switch of reactive compensation system.
The capacity of ten capacitors can be determined according to the total load power of distribution header tank by formula scales.
Total lower point of ten loops of disconnecting switch, each loop is followed successively by breaker, contactor, electrothermal relay, capacitor.
Distribution header tank configuration intelligent reactive power automatic compensation controller can be configured to power factor target value.
Distribution header tank configures power factor display, implements to show realtime power factor.
The construction distribution header tank reactive power compensator improves automaticity, improved compared with existing system The stability of system, damage of the reactive-load compensation excessively to power network is reduced, original reactive compensation system is using one group of fixed capacity electricity To hold, appropriate power factor can not be adjusted according to the size using load, excessive compensation may cause the damage to power network, This system point ten sets of capacitance groups, can be according to the power factor desired value set, and system is according to the size and equipment of power load 1~10 group of capacitance group of power factor automatic switching, system power factor is remained at desired value set or so, effectively It ensure that the reliability, security and energy saving of system.
The system is a kind of new construction building site distribution header tank reactive compensation system, and the system is disposed on building Construct in header tank, be made up of total disconnecting switch, breaker, contactor, electrothermal relay, capacitor etc., than former idle benefit The system of repaying can guarantee that the needs of required power factor according to the capacitor bank of the size switching varying number of load, save again The about energy, prevent the excessive input of capacitance group from causing the impact to power network.
The construction distribution header tank reactive power compensator is reasonable in design, simple in construction, safe and reliable, easy to use, easy In maintenance, have good value for applications.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model.
Mark in accompanying drawing represents respectively:
1st, distribution header tank, 2, automatic switching capacitor bank,
3rd, distribution electricity consumption master switch goes out power supply,
4th, total disconnecting switch, 5, loop,
6th, current transformer, 7, breaker, 8, A.C. contactor, 9, electrothermal relay, 10, capacitor,
11st, automatic switching capacitor unit, 12, automatic switching capacitor bank,
13rd, power factor display, 14, intelligent reactive power automatic compensation controller,
15th, lightning protection line.
Embodiment
Construction distribution header tank reactive power compensator of the present utility model is described in detail below below in conjunction with the accompanying drawings.
As shown in drawings, construction distribution header tank reactive power compensator of the present utility model, it is total that its structure includes distribution Case 1 and automatic switching capacitor bank 2;
Distribution electricity consumption master switch on distribution header tank 1, which goes out, connects total disconnecting switch 4 at power supply 3;Total lower point of company of disconnecting switch Ten loops 5 are connect, ten loops are parallel with one another;
Current transformer 6, breaker 7, A.C. contactor 8, electrothermal relay 9, capacitor are sequentially connected in series on each loop 5 10;
Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor series on each loop form automatic Switched capacitor unit 11;
Ten automatic switching capacitor units form automatic switching capacitor bank 12;
Power factor display 13 and intelligent reactive power automatic compensation controller 14 are configured on distribution header tank 1,
Intelligent reactive power automatic compensation controller can be preset to distribution header tank power factor target value, intelligent nothing Work(Reactive Power Automatic Compensation Controller according to the group number of the size automatic switching capacitor bank of distribution header tank load, all the time by power because Number is maintained at preset state.
Always between disconnecting switch and ten loops and it is connected to lightning protection line 15, lightning protection line lightning protection.
Reactive compensation system of the present utility model improves automaticity compared with original system, improves system Stability, damage of the reactive-load compensation excessively to power network is reduced, original reactive compensation system uses one group of fixed capacity electric capacity, can not Appropriate power factor is adjusted according to the size using load, excessive compensation may cause the damage to power network, this system Point ten sets of capacitance groups, can according to the power factor desired value set, system according to the size of power load and plant capacity because Number 1~10 group of capacitance group of automatic switching, system power factor is remained at desired value set or so, is effectively ensured Reliability, security and the energy saving of system.
This reactive compensation system is attached in construction distribution header tank, is normal distribution electricity consumption on front side of distribution header tank System, the header tank back side are reactive compensation systems, the total isolating switch power of reactive-load compensation going out quoted from normal distribution electricity consumption master switch At power supply, it is in parallel to enter mains side with shunt circuitbreaker, total disconnecting switch goes out power supply and punishes ten tunnels, is set gradually respectively per primary Ioops Breaker, contactor, electrothermal relay, electric capacity, the parameter that the big I of each component comes out according to power factor compensation formula Corresponding configuration is carried out, whole system is controlled by intelligent reactive power automatic compensation controller, and power has can be set in controller Factor desired value, then can be arranged to automatic running pattern to total system, and system can be according to the size of power load power Voluntarily to adjust the operation of system.
A kind of building construction header tank electricity consumption reactive compensation system of the present utility model, to specifications shown in accompanying drawing i.e. It can be produced and processed.
It is the known technology of those skilled in the art in addition to the technical characteristic described in specification.

Claims (2)

1. construction distribution header tank reactive power compensator, it is characterised in that including distribution header tank and automatic switching capacitor bank;
Distribution electricity consumption master switch on distribution header tank, which goes out, connects total disconnecting switch at power supply;Total lower point of disconnecting switch connection ten is returned Road, ten loops are parallel with one another;
Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor are sequentially connected in series on each loop;
Current transformer, breaker, A.C. contactor, electrothermal relay, capacitor series on each loop form automatic switching Capacitor unit;
Ten automatic switching capacitor units form automatic switching capacitor bank;
Power factor display and intelligent reactive power automatic compensation controller are configured on distribution header tank,
Intelligent reactive power automatic compensation controller can be preset to distribution header tank power factor target value, Intelligence Reactive Power work( Rate automatic compensating controller all the time protects power factor according to the group number of the size automatic switching capacitor bank of distribution header tank load Hold in preset state.
2. construction distribution header tank reactive power compensator according to claim 1, it is characterised in that:Total disconnecting switch and Between ten loops and it is connected to lightning protection line, lightning protection line lightning protection.
CN201720521333.8U 2017-05-11 2017-05-11 Construction distribution header tank reactive power compensator Expired - Fee Related CN206775140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720521333.8U CN206775140U (en) 2017-05-11 2017-05-11 Construction distribution header tank reactive power compensator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720521333.8U CN206775140U (en) 2017-05-11 2017-05-11 Construction distribution header tank reactive power compensator

Publications (1)

Publication Number Publication Date
CN206775140U true CN206775140U (en) 2017-12-19

Family

ID=60649035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720521333.8U Expired - Fee Related CN206775140U (en) 2017-05-11 2017-05-11 Construction distribution header tank reactive power compensator

Country Status (1)

Country Link
CN (1) CN206775140U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110212549A (en) * 2019-05-24 2019-09-06 宁波市电力设计院有限公司 Multifunctional unit power distribution equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110212549A (en) * 2019-05-24 2019-09-06 宁波市电力设计院有限公司 Multifunctional unit power distribution equipment

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Granted publication date: 20171219