CN203103978U - Intelligent high-voltage reactive multi-stage compensation device - Google Patents

Intelligent high-voltage reactive multi-stage compensation device Download PDF

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Publication number
CN203103978U
CN203103978U CN 201320067594 CN201320067594U CN203103978U CN 203103978 U CN203103978 U CN 203103978U CN 201320067594 CN201320067594 CN 201320067594 CN 201320067594 U CN201320067594 U CN 201320067594U CN 203103978 U CN203103978 U CN 203103978U
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voltage
phase high
links
capacitor
contactor
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范闯
张林忠
杨文明
刘炎
曾研
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MUDANJIANG POWER CAPACITOR CO Ltd
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MUDANJIANG POWER CAPACITOR CO Ltd
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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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Abstract

The utility model relates to an intelligent high-voltage reactive multi-stage compensation device, comprising three drop-out fuses, a voltage transformer type power transformer, a current transformer, at least two three-phase high-voltage contactors, at least two three-phase high-voltage capacitors and a intelligent capacitor switching controller, wherein the first end of the secondary side of the voltage transformer type power transformer is connected with the common end of a change-over switch; the second end of the secondary side of the voltage transformer type power transformer is connected with the first end of a power supply coil of each three-phase high-voltage contactor; the first end of the change-over switch is connected with the first end of each normally open automatic switching contact of the intelligent capacitor switching controller; and the second ends of power supply coils of the in-step three-phase high-voltage contactors are connected with the second end of the normally open automatic switching contact of the in-step intelligent capacitor switching controller. The capacitor with proper capacity can be selectively switched according to the change of load of a power grid, so that a plurality of performance indexes of the power grid are kept at a best level all the time, a compensation effect can be in the optimal state all the time, and a use effect is good.

Description

Intelligent high-pressure is idle multistage compensation arrangement
Technical field
The utility model relates to power equipment, is specifically related to a kind of high-pressure reactive compensation device.
Background technology
Usually all contain reactive apparatus in the electrical network, can cause the power factor of electrical network to descend, cause the reactive loss of transmission line to increase, a part of electric energy is wasted.Power capacitor can be directly compensates the reactive power of electrical network, reaches the power factor that improves electrical network, reduces line loss, the purpose of saves energy.Though manual switching electric network reactive compensation equipment also can be realized reactive power compensation, but need special operating personnel's manual operation, operating personnel need carry out the capacitor switching operation at any time according to the operation conditions of electrical network, but can not realize automatic switching, real-time is also bad, undercompensation can be caused if operating personnel can not in time make compensation equipment link to each other with electrical network, can not in time compensation equipment then overcompensation can be caused from the electrical network excision, unfavorable to operation of power networks equally.Though existing electrical network auto-reactive compensation device also can carry out reactive power compensation according to operation of power networks situation automatic switching capacitor, but can only the whole capacitors of disposable input, and can not be according to the variation of the network load capacitor of switching suitable capacity optionally, the multinomial performance index of electrical network can't remain a best level, compensation effect can not be in optimum state all the time, and result of use is good inadequately.
Summary of the invention
The purpose of this utility model provide a kind of can according to the variation of network load optionally the switching suitable capacity capacitor, make the multinomial performance index of electrical network remain a best level, compensation effect can be in optimum state, the idle multistage compensation arrangement of intelligent high-pressure that result of use is good all the time.
Technical solution of the present utility model is: it comprises three fuse switches, mutual induction of voltage type power transformer, current transformer, at least two three-phase high-voltage contactors, at least two three-phase high-voltage capacitors, capacitor intelligent operation/cutting controller, change over switch, at least two closing by hand buttons and at least two manual brake separating buttons, the load side of three fuse switches links to each other respectively with the power end of each three-phase high-voltage contactor main contacts respectively, the load side of each three-phase high-voltage contactor main contacts links to each other with three-phase high-voltage capacitor at the same level respectively, phase line of current transformer primary side and electrical network links to each other, the two ends of secondary side link to each other with capacitor intelligent operation/cutting controller respectively, the two ends of mutual induction of voltage type power transformer primary side link to each other with the load side of two-phase fuse switch respectively, first end of mutual induction of voltage type power transformer secondary side links to each other with the common port of change over switch, the power supply of second end and capacitor intelligent operation/cutting controller is imported first end, first end of each three-phase high-voltage contactor power coil links to each other respectively, the power supply of first end of change over switch and capacitor intelligent operation/cutting controller is imported second end, each first end of often opening the automatic closing contact of capacitor intelligent operation/cutting controller links to each other, second end of change over switch links to each other with the end that each three-phase high-voltage contactor is often driven auxiliary contact with an end of each closing by hand button normally opened contact respectively, the other end of closing by hand button normally opened contact at the same level, the other end that three-phase high-voltage contactor at the same level is often driven auxiliary contact links to each other with an end of manual brake separating button normally-closed contact at the same level respectively, the other end of manual brake separating button normally-closed contact at the same level respectively with second end of three-phase high-voltage contactor power coil at the same level, second end that capacitor intelligent operation/cutting controller at the same level is often opened the automatic closing contact links to each other.
Technique effect of the present utility model is: it can be according to the variation of the network load capacitor of switching suitable capacity optionally, make the multinomial performance index of electrical network remain a best level, compensation effect can be in optimum state all the time, and result of use is better.
It can extract that data are carried out analysis and judgement and the information of sending is come the automatic switching of reasonable control capacitor, switching in batches according to the variation of voltage, electric current and the power factor of electrical network, effectively adjust the compensation capacity of power capacitor, reach the most rational state with compensation way and the size of guaranteeing power capacitor, utilize power equipment idealized thereby make, to greatest extent saves energy.It can go out the size of reactive power according to the voltage of electrical network, the change calculations of electric current, sends instruction by control appliance, the folding of control switch, and opening-closing capacitor bank on demand finally realizes the intelligent compensation of capacitor.
Advantage of the present invention and effect;
1. package unit has the self discharge function, can not produce overvoltage when the product secondary drops into, the personnel that can not cause when the carrying out interruption maintenance simultaneously phenomenon of getting an electric shock.
2. can select the compensation capacity of capacitor automatically according to the electrical network situation, make compensation effect be in optimum state all the time, and can only the disposable input whole group capacitor of former fixed compensation device and can not select the switching capacity of capacitor with the variation of load, so the multinomial performance index of electrical network can not remain a best level.
3. package unit possesses various defencive functions, has guaranteed that electrical network is in that compensation arrangement can be out of service rapidly under the situation that abnormal state and capacitor group break down, thereby has avoided the expansion of accident, has guaranteed the safe operation of electrical network.
4. device can be at 1.1U NFollowing long-time running, in voltage superelevation and under-voltage out of service automatically down, under electrical network normal level state, guarantee that the AC power factor reaches more than 0.95, thereby guarantee that electrical network is in optimal energy-conservation situation and the most stable power grid quality, guarantee that alternating voltage, power factor specification meet power reguirements and satisfy the national standard requirement.The loss factor of claimed apparatus is less than 0.5 ‰ simultaneously, and capability of overload satisfies the GB11034.1-2000 requirement
Description of drawings
Fig. 1 is the utility model embodiment primary circuit schematic diagram;
Fig. 2 is the utility model embodiment secondary circuit schematic diagram;
Fig. 3 is the utility model embodiment body structure schematic diagram;
Fig. 4 is the utility model embodiment capacitor intelligent operation/cutting controller XKW theory diagram.
Embodiment
As Fig. 1, shown in Figure 2, it comprises three fuse switch DR, mutual induction of voltage type power transformer TVB, current transformer TA, three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2, three-phase high-voltage container C 1, three-phase high-voltage container C 2, capacitor intelligent operation/cutting controller XKW, change over switch ZK, two closing by hand button SB1 and two manual brake separating button SB2, the load side of three fuse switch DR respectively with three-phase high-voltage contactor KM1, the power end of three-phase high-voltage contactor KM2 main contacts links to each other respectively, the load side of three-phase high-voltage contactor KM1 main contacts links to each other with three-phase high-voltage container C 1, the load side of three-phase high-voltage contactor KM2 main contacts links to each other with three-phase high-voltage container C 2, phase line of current transformer TA primary side and electrical network links to each other, the two ends of secondary side link to each other with capacitor intelligent operation/cutting controller XKW respectively, the two ends of mutual induction of voltage type power transformer TVB primary side link to each other with the load side of two-phase fuse switch DR respectively, first end of mutual induction of voltage type power transformer TVB secondary side links to each other with the common port of change over switch ZK, the power supply of second end and capacitor intelligent operation/cutting controller XKW is imported first end, first end of three-phase high-voltage contactor KM1 power coil, first end of three-phase high-voltage contactor KM2 power coil links to each other respectively, the power supply of first end of change over switch ZK and capacitor intelligent operation/cutting controller XKW is imported second end, capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-1, first end of often opening automatic closing contact XKW-2 links to each other, second end of change over switch ZK respectively with each closing by hand button SB1 normally opened contact SB1-1, the end of normally opened contact SB1-2 and three-phase high-voltage contactor KM1 often open the end of auxiliary contact KM1-1, the end that three-phase high-voltage contactor KM2 often opens auxiliary contact KM2-1 links to each other, the other end that the other end of one-level closing by hand button SB1 normally opened contact SB1-1 and three-phase high-voltage contactor KM1 often open auxiliary contact KM1-1, the end of one-level manual brake separating button SB2 normally-closed contact SB2-1 links to each other, the other end that the other end of two-stage hand switch knob SB1 normally opened contact SB1-2 and three-phase high-voltage contactor KM2 often open auxiliary contact KM2-1, the end of two-stage hand opening button SB2 normally-closed contact SB2-2 links to each other, the other end of one-level manual brake separating button SB2 normally-closed contact SB2-1 respectively with second end of three-phase high-voltage contactor KM1 power coil, second end that capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-1 links to each other, the other end of two-stage hand opening button SB2 normally-closed contact SB2-2 respectively with second end of three-phase high-voltage contactor KM2 power coil, second end that capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-2 links to each other.
It also comprises combined floodgate indicator light HXD1, combined floodgate indicator light HXD2, separating brake indicator light LXD1, separating brake indicator light LXD2, combined floodgate indicator light HXD1 often opens with second group of three-phase high-voltage contactor KM1 and is connected after auxiliary contact KM1-2 contacts mutually between the mutual induction of voltage type power transformer TVB secondary side two ends, combined floodgate indicator light HXD2 often opens with second group of three-phase high-voltage contactor KM2 and is connected after auxiliary contact KM2-2 contacts mutually between the mutual induction of voltage type power transformer TVB secondary side two ends, separating brake indicator light LXD1 be connected between the mutual induction of voltage type power transformer TVB secondary side two ends after three-phase high-voltage contactor KM1 normally closed auxiliary contact KM1-3 contacts mutually, separating brake indicator light LXD2 be connected between the mutual induction of voltage type power transformer TVB secondary side two ends after three-phase high-voltage contactor KM2 normally closed auxiliary contact KM2-3 contacts mutually.
First end of mutual induction of voltage type power transformer TVB secondary side is provided with circuit breaker D1, second end is provided with circuit breaker D2, the power supply of first end of change over switch ZK and capacitor intelligent operation/cutting controller XKW is imported and is provided with circuit breaker D3 between second end, and the power supply of capacitor intelligent operation/cutting controller XKW is imported between first end of first end, three-phase high-voltage contactor KM2 power coil of first end and three-phase high-voltage contactor KM1 power coil and is provided with circuit breaker D4.
Be connected with distribution type zinc oxide arrester F1 between the mains side of three fuse switch DR and the electrical network earth point respectively.Three-phase high-voltage container C 1 is made of star-like three high-voltage capacitor C that are connected with three-phase high-voltage container C 2, be connected with capacitor type zinc oxide arrester F2 between the high-pressure side of each high-voltage capacitor C and the electrical network earth point respectively, respectively paralleling between the high-pressure side of each high-voltage capacitor C and the low-pressure end places the discharge resistance R of high-voltage capacitor C inside.Be respectively equipped with protection sampled current transformer TA1, protection sampled current transformer TA2 between the power end of each fuse switch DR and three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2 main contacts, the secondary side of protection sampled current transformer TA1, protection sampled current transformer TA2 links to each other with capacitor intelligent operation/cutting controller XKW respectively.
Three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2 are respectively the three-phase high-voltage vacuum contactor.Also be provided with between change over switch ZK first end and second end between the neutral gear between automatic, the manual switchover.It also comprises casing G, mutual induction of voltage type power transformer TVB, three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2, three-phase high-voltage container C 1, three-phase high-voltage container C 2 and capacitor intelligent operation/cutting controller XKW are installed in respectively in the casing G, and change over switch ZK, each closing by hand button SB1, each manual brake separating button SB2, combined floodgate indicator light HXD1, combined floodgate indicator light HXD2, separating brake indicator light LXD1, separating brake indicator light LXD2 are installed in respectively on the casing G panel.
Capacitor intelligent operation/cutting controller XKW is made of PLC-CPU module, PT sampling module, CT sampling module, current protection module, display floater, one-level switching relay and secondary switching relay; PT sampling module, CT sampling module, current protection module and display floater link to each other with each interface of PLC-CPU module respectively, and one-level switching relay links to each other with each control signal output ends of PLC-CPU module respectively with secondary switching relay.
Device is behind line attachment, and the fuse switch DR that closes installs high voltage source and connects, and secondary circuit~220V power connection, device are started working, when the time of circuit; Voltage; Time and voltage; Voltage and idle; When power factor was in predefined switching scope, capacitor intelligent operation/cutting controller XKW connected three-phase high-voltage contactor KM1, KM2 operating power, the contactor adhesive, three-phase high-voltage container C 1, C2 was dropped into the circuit operation.When the time of circuit; Voltage; Time and voltage; When being in excision extension, capacitor intelligent operation/cutting controller XKW connects trip(ping) circuit, three-phase high-voltage contactor KM1, KM2 tripping operation, three-phase high-voltage container C 1, C2 is out of service, as by idle or power factor switching the time, capacitor intelligent operation/cutting controller XKW according to circuit idle or power factor value select suitable capacity input or excision three-phase high-voltage container C 1, C2, thereby realized the automatic switching of three-phase high-voltage container C 1, C2.Reach the raising power factor, reduce line loss, saves energy is improved the purpose of quality of voltage.
The course of work: behind the device line attachment, mutual induction of voltage type power transformer TVB gets electric, secondary output AC 220V voltage, and behind circuit breaker (D1, D2, D3, D4) combined floodgate, electrical secondary system gets.The first order, second level separating brake indicator light LDX1, LDX2 get electric brightening.
Manually control: be threaded to change over switch ZK manual, when dropping into first order capacitor, after pressing button SB1-1, first order three-phase high-voltage contactor KM1 closure, first order three-phase high-voltage contactor is often opened auxiliary contact KM1-1, KM1-2 closure, and HDX1 is bright for first order combined floodgate indicator light, and first order contactor normally closed auxiliary contact KM1-3 disconnects, first order separating brake indicator light LDX1 goes out, and first order three-phase high-voltage container C 1 is closed a floodgate.When dropping into second level capacitor, after pressing button SB1-2, second level three-phase high-voltage contactor KM2 closure, second level contactor is often opened auxiliary contact KM2-1, KM2-2 closure, combined floodgate indicator light HDX2 is bright in the second level, second level contactor normally closed auxiliary contact KM2-3 disconnects, and second level separating brake indicator light LDX2 goes out, and second level three-phase high-voltage container C 2 is closed a floodgate.
Automatically control: ZK is threaded to automatic transmission with change over switch, after the capacitor intelligent operation/cutting controller XKW computing, meet the input requirement, then the controller first order is often left automatic closing contact XKW-1 closure, first order three-phase high-voltage contactor KM1 closure, and first order contactor is often opened auxiliary contact KM1-2 closure, HDX1 is bright for first order combined floodgate indicator light, first order contactor normally closed auxiliary contact KM1-3 disconnects, and first order separating brake indicator light LDX1 goes out, and first order three-phase high-voltage container C 1 is closed a floodgate.After first order three-phase high-voltage container C 1 is closed a floodgate, if track data has satisfied and has required then second level capacitor is failure to actuate, after first order capacitor closes a floodgate, if track data does not meet the demands, then automatic closing contact XKW-2 closure is often left in the controller second level, second level three-phase high-voltage contactor KM2 closure, second level contactor is often opened auxiliary contact KM2-2 closure, combined floodgate indicator light HDX2 is bright in the second level, second level contactor normally-closed contact KM2-3 disconnects, second level separating brake indicator light LDX2 goes out, and second level three-phase high-voltage container C 2 is closed a floodgate.

Claims (10)

1. the idle multistage compensation arrangement of intelligent high-pressure, it is characterized in that: it comprises three fuse switches, mutual induction of voltage type power transformer, current transformer, at least two three-phase high-voltage contactors, at least two three-phase high-voltage capacitors, capacitor intelligent operation/cutting controller, change over switch, at least two closing by hand buttons and at least two manual brake separating buttons, the load side of three fuse switches links to each other respectively with the power end of each three-phase high-voltage contactor main contacts respectively, the load side of each three-phase high-voltage contactor main contacts links to each other with three-phase high-voltage capacitor at the same level respectively, phase line of current transformer primary side and electrical network links to each other, the two ends of secondary side link to each other with capacitor intelligent operation/cutting controller respectively, the two ends of mutual induction of voltage type power transformer primary side link to each other with the load side of two-phase fuse switch respectively, first end of mutual induction of voltage type power transformer secondary side links to each other with the common port of change over switch, the power supply of second end and capacitor intelligent operation/cutting controller is imported first end, first end of each three-phase high-voltage contactor power coil links to each other respectively, the power supply of first end of change over switch and capacitor intelligent operation/cutting controller is imported second end, each first end of often opening the automatic closing contact of capacitor intelligent operation/cutting controller links to each other, second end of change over switch links to each other with the end that each three-phase high-voltage contactor is often driven auxiliary contact with an end of each closing by hand button normally opened contact respectively, the other end of closing by hand button normally opened contact at the same level, the other end that three-phase high-voltage contactor at the same level is often driven auxiliary contact links to each other with an end of manual brake separating button normally-closed contact at the same level respectively, the other end of manual brake separating button normally-closed contact at the same level respectively with second end of three-phase high-voltage contactor power coil at the same level, second end that capacitor intelligent operation/cutting controller at the same level is often opened the automatic closing contact links to each other.
2. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 1, it is characterized in that it comprises three fuse switch DR, mutual induction of voltage type power transformer TVB, current transformer TA, three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2, three-phase high-voltage container C 1, three-phase high-voltage container C 2, capacitor intelligent operation/cutting controller XKW, change over switch ZK, two closing by hand button SB1 and two manual brake separating button SB2, the load side of three fuse switch DR respectively with three-phase high-voltage contactor KM1, the power end of three-phase high-voltage contactor KM2 main contacts links to each other respectively, the load side of three-phase high-voltage contactor KM1 main contacts links to each other with three-phase high-voltage container C 1, the load side of three-phase high-voltage contactor KM2 main contacts links to each other with three-phase high-voltage container C 2, phase line of current transformer TA primary side and electrical network links to each other, the two ends of secondary side link to each other with capacitor intelligent operation/cutting controller XKW respectively, the two ends of mutual induction of voltage type power transformer TVB primary side link to each other with the load side of two-phase fuse switch DR respectively, first end of mutual induction of voltage type power transformer TVB secondary side links to each other with the common port of change over switch ZK, the power supply of second end and capacitor intelligent operation/cutting controller XKW is imported first end, first end of three-phase high-voltage contactor KM1 power coil, first end of three-phase high-voltage contactor KM2 power coil links to each other respectively, the power supply of first end of change over switch ZK and capacitor intelligent operation/cutting controller XKW is imported second end, capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-1, first end of often opening automatic closing contact XKW-2 links to each other, second end of change over switch ZK respectively with each closing by hand button SB1 normally opened contact SB1-1, the end of normally opened contact SB1-2 and three-phase high-voltage contactor KM1 often open the end of auxiliary contact KM1-1, the end that three-phase high-voltage contactor KM2 often opens auxiliary contact KM2-1 links to each other, the other end that the other end of one-level closing by hand button SB1 normally opened contact SB1-1 and three-phase high-voltage contactor KM1 often open auxiliary contact KM1-1, the end of one-level manual brake separating button SB2 normally-closed contact SB2-1 links to each other, the other end that the other end of two-stage hand switch knob SB1 normally opened contact SB1-2 and three-phase high-voltage contactor KM2 often open auxiliary contact KM2-1, the end of two-stage hand opening button SB2 normally-closed contact SB2-2 links to each other, the other end of one-level manual brake separating button SB2 normally-closed contact SB2-1 respectively with second end of three-phase high-voltage contactor KM1 power coil, second end that capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-1 links to each other, the other end of two-stage hand opening button SB2 normally-closed contact SB2-2 respectively with second end of three-phase high-voltage contactor KM2 power coil, second end that capacitor intelligent operation/cutting controller XKW often leaves automatic closing contact XKW-2 links to each other.
3. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2, it is characterized in that it also comprises combined floodgate indicator light HXD1, combined floodgate indicator light HXD2, separating brake indicator light LXD1, separating brake indicator light LXD2, combined floodgate indicator light HXD1 often opens with second group of three-phase high-voltage contactor KM1 and is connected after auxiliary contact KM1-2 contacts mutually between the mutual induction of voltage type power transformer TVB secondary side two ends, combined floodgate indicator light HXD2 often opens with second group of three-phase high-voltage contactor KM2 and is connected after auxiliary contact KM2-2 contacts mutually between the mutual induction of voltage type power transformer TVB secondary side two ends, separating brake indicator light LXD1 be connected between the mutual induction of voltage type power transformer TVB secondary side two ends after three-phase high-voltage contactor KM1 normally closed auxiliary contact KM1-3 contacts mutually, separating brake indicator light LXD2 be connected between the mutual induction of voltage type power transformer TVB secondary side two ends after three-phase high-voltage contactor KM2 normally closed auxiliary contact KM2-3 contacts mutually.
4. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2, first end that it is characterized in that described mutual induction of voltage type power transformer TVB secondary side is provided with circuit breaker D1, second end is provided with circuit breaker D2, the power supply of first end of change over switch ZK and capacitor intelligent operation/cutting controller XKW is imported and is provided with circuit breaker D3 between second end, and the power supply of capacitor intelligent operation/cutting controller XKW is imported between first end of first end, three-phase high-voltage contactor KM2 power coil of first end and three-phase high-voltage contactor KM1 power coil and is provided with circuit breaker D4.
5. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2 is characterized in that being connected with distribution type zinc oxide arrester F1 respectively between the mains side of described three fuse switch DR and the electrical network earth point.
6. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2, it is characterized in that described three-phase high-voltage container C 1 is made of star-like three high-voltage capacitor C that are connected with three-phase high-voltage container C 2, be connected with capacitor type zinc oxide arrester F2 between the high-pressure side of each high-voltage capacitor C and the electrical network earth point respectively, respectively paralleling between the high-pressure side of each high-voltage capacitor C and the low-pressure end places the discharge resistance R of high-voltage capacitor C inside.
7. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2; it is characterized in that being respectively equipped with between the power end of described each fuse switch DR and three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2 main contacts protection sampled current transformer TA1, protection sampled current transformer TA2, the secondary side of protection sampled current transformer TA1, protection sampled current transformer TA2 links to each other with capacitor intelligent operation/cutting controller XKW respectively.
8. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2 is characterized in that described three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2 are respectively the three-phase high-voltage vacuum contactor.
9. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2, it is characterized in that it also comprises casing G, mutual induction of voltage type power transformer TVB, three-phase high-voltage contactor KM1, three-phase high-voltage contactor KM2, three-phase high-voltage container C 1, three-phase high-voltage container C 2 and capacitor intelligent operation/cutting controller XKW are installed in respectively in the casing G.
10. the idle multistage compensation arrangement of intelligent high-pressure as claimed in claim 2; it is characterized in that described capacitor intelligent operation/cutting controller XKW is made of PLC-CPU module, PT sampling module, CT sampling module, current protection module, display floater, one-level switching relay and secondary switching relay; PT sampling module, CT sampling module, current protection module and display floater link to each other with each interface of PLC-CPU module respectively, and one-level switching relay links to each other with each control signal output ends of PLC-CPU module respectively with secondary switching relay.
CN 201320067594 2013-02-06 2013-02-06 Intelligent high-voltage reactive multi-stage compensation device Expired - Lifetime CN203103978U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104852606A (en) * 2015-06-03 2015-08-19 吉林瀚丰电气有限公司 Low-voltage rectifier cabinet with real-time monitoring and intelligent switching functions
CN106257791A (en) * 2016-06-25 2016-12-28 六盘水金星机电设备有限公司 A kind of remote alarms reactive-load compensation equipment
CN109244848A (en) * 2018-11-05 2019-01-18 西山煤电(集团)有限责任公司 High-voltage switch gear manual locking device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104852606A (en) * 2015-06-03 2015-08-19 吉林瀚丰电气有限公司 Low-voltage rectifier cabinet with real-time monitoring and intelligent switching functions
CN106257791A (en) * 2016-06-25 2016-12-28 六盘水金星机电设备有限公司 A kind of remote alarms reactive-load compensation equipment
CN109244848A (en) * 2018-11-05 2019-01-18 西山煤电(集团)有限责任公司 High-voltage switch gear manual locking device
CN109244848B (en) * 2018-11-05 2024-03-22 西山煤电(集团)有限责任公司 Manual locking device of high-voltage switch

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