CN201369573Y - Switching controller of condenser bank - Google Patents

Switching controller of condenser bank Download PDF

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Publication number
CN201369573Y
CN201369573Y CNU2009200957239U CN200920095723U CN201369573Y CN 201369573 Y CN201369573 Y CN 201369573Y CN U2009200957239 U CNU2009200957239 U CN U2009200957239U CN 200920095723 U CN200920095723 U CN 200920095723U CN 201369573 Y CN201369573 Y CN 201369573Y
Authority
CN
China
Prior art keywords
relay
contact
contact point
signal output
switch
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 - Lifetime
Application number
CNU2009200957239U
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Chinese (zh)
Inventor
梁瑞成
刘宝成
王永福
陆景墀
方琼
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.)
State Grid Corp of China SGCC
Tianjin Electric Power Corp
Original Assignee
Tianjin Electric Power Corp
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 Tianjin Electric Power Corp filed Critical Tianjin Electric Power Corp
Priority to CNU2009200957239U priority Critical patent/CN201369573Y/en
Application granted granted Critical
Publication of CN201369573Y publication Critical patent/CN201369573Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Abstract

The utility model relates to a switching controller of a condenser bank. The switching controller comprises a housing and an internal control circuit, wherein, the input terminal of an alternating current power supply of the control circuit is connected with a power switch; one end of the power switch is synchronously connected with a start button, the first contact point of a first relay and the second contact point of the first relay; the other end of the start button is connected with the first relay; the first contact point of the first relay is connected with a time relay; the second contact point of the first relay, the contact point of a second relay and the contact point of the time relay are orderly connected together; the input terminal of a positive direct current power supply arranged on the housing is connected with the contact point of the second relay; the other end of the contact point of the second relay is connected with a connection-disconnection selector switch; and the connection-disconnection selector switch is selectively connected to a connection signal output terminal or a disconnection signal output terminal on the housing. The switching controller can accurately control the switching of the condenser bank and ensure the accuracy for data acquisition, and is characterized by reasonable design, stable properties, safety and reliability.

Description

Capacitor group switching controller
Technical field
The utility model belongs to the power test instrument field, especially a kind of capacitor group switching controller.
Background technology
In electric power system, owing to there are load or burden without work such as a large amount of distribution transformers, power consumption equipment, increased via net loss, caused the decline of quality of voltage, influenced power grid security and moved reliably.The employing shunt capacitor can be realized reactive power compensation to a certain degree, as adopting Shunt Capacitor Unit at the distribution transforming secondary side, can improve power factor (PF), reach idle in-situ balancing, wastage reducing and energy saving, raising quality of voltage, increase electric network transportation ability and electric equipment utilance etc.But, the capacitor group is when switching is operated, bad phenomenon such as meeting produces and shoves, overvoltage, existing switching control is mechanical switch and directly carries out the operation of capacitor group switching at the scene, mechanical switch is aging easily to cause malfunctioning switch to influence the operate as normal of capacitor group, might have an accident when serious causes casualties, and therefore presses for a kind ofly can safe and reliablely carry out capacitor group switching control appliance
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of simple, safe and reliable capacitor group switching controller that uses is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of capacitor group switching controller, constitute by casing and inner control circuit thereof, control circuit is by mains switch (K1), start button (SB1), first relay (Z1), second relay (Z2), the time relay (P), closing component selections switch (K2) connects and composes, its concrete annexation is: ac power input end is connected on the mains switch (K1), one end of mains switch (K1) connects start button (SB1) jointly, first contact (Z1J-1) of first relay, second contact (Z1J-2) of first relay, the other end of start button (SB1) is connected with first relay (Z1), first contact (Z1J-1) of first relay is connected with the time relay (P), second contact (Z1J-2) of first relay, the contact (PJ) of second relay (Z2) and time relay is linked in sequence together, first relay (Z1), the other end of the contact (PJ) of the time relay (P) and time relay is connected with the other end of mains switch (K1), the forward dc power input that is provided with on the casing is connected with the contact (Z2J) of second relay, the other end of the contact of second relay (Z2J) with close component selections switch (K2) and be connected, close component selections switch (K2) and select to be connected to closure signal output or separation signal output on the casing.
And the described time relay (P) is the time relay of time-delay in 1 second.
And, also being provided with the data acquisition unit enabling signal output that is connected with data acquisition unit on the described casing, this enabling signal output is connected with the contact (Z2J) of second relay.
Advantage of the present utility model and good effect are:
1. this controller is provided with the closure signal output, the separation signal output is connected with the switch control end of capacitor group, control circuit in the controller adopts electronic devices such as relay, can control the output of closure signal or separation signal exactly, realized accurate control to capacitor group switching, simultaneously, realize at a distance the switching of capacitor group being controlled, guaranteed staff's safety.
2. this controller also is provided with the enabling signal output that is connected with data acquisition unit, this enabling signal can the control data collector and switching handle and carry out synchronously, guaranteed the accuracy that data acquisition unit is gathered.
3. the utility model has been realized the accurate control to capacitor group switching, has guaranteed the accuracy of data acquisition unit data acquisition, has reasonable in design, stable performance, safe and reliable characteristics.
Description of drawings
Fig. 1 is a casing structure schematic diagram of the present utility model;
Fig. 2 is the circuit diagram of control circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
A kind of capacitor group switching controller, as shown in Figure 1, constitute by casing and inner control circuit thereof, on the panel of casing 1, be provided with closure signal output 2, data acquisition unit enabling signal output 3, dc power anode input 4, separation signal output 5, close component selections switch 7, mains switch 8 and start button 6, wherein, mains switch is used for the connecting and disconnecting of AC power, and the input of AC power is arranged on the side (not shown) of casing; The dc power anode input inserts the positive pole of DC power supply, and in the present embodiment, DC power supply can be 110V or 220V DC power supply, and this direct current is as the input of closure signal and separation signal; The closure signal output is connected with the switching control end (switch coil) of capacitor group respectively with the separation signal output, handles by the switching of this controller output closure signal and separation signal control capacitor; Start button is used for the executable operations of start-up control instrument, and closing the component selections switch, to be used for being provided with this executable operations be closed procedure or lock out operation; Data acquisition unit enabling signal output is connected with data acquisition unit, provides enabling signal to data acquisition unit synchronously when carrying out the switching operation, makes the real-time synchronous acquisition signal of data acquisition unit.
Control circuit in the casing is by mains switch (K1), start button (SB1), first relay (Z1), second relay (Z2), the time relay (P), closing component selections switch (K2) connects and composes, the time relay in the present embodiment (P) adopts the 1S time delay relay, its concrete annexation is: ac power input end is connected on the mains switch (K1), one end of mains switch (K1) connects start button (SB1) jointly, first contact (Z1J-1) of first relay, second contact (Z1J-2) of first relay, the other end of start button (SB1) is connected with first relay (Z1), first contact (Z1J-1) of first relay is connected with the time relay (P), second contact (Z1J-2) of first relay, the contact (PJ) of second relay (Z2) and time relay is linked in sequence together, first relay (Z1), the other end of the contact (PJ) of the time relay (P) and time relay is connected with the other end of mains switch (K1), the forward dc power input that is provided with on the casing is connected with the contact (Z2J) of second relay, the other end of the contact of second relay (Z2J) with close component selections switch (K2) and be connected, close component selections switch (K2) and select to be connected to closure signal output or separation signal output on the casing, the other end of the contact of second relay (Z2J) also is connected with data acquisition unit enabling signal output.
Operation principle of the present utility model is: when mains switch (K1) when closing, pressing start button (SB1) has first relay (Z1), connect two contacts (Z1J-1, Z1J-2) of first relay, make the action of the time relay (P) and second relay (Z2), connect the contact (Z2J) of second relay, the direct current positive electricity of access is connected with closure signal output or separation signal output by closing component selections switch (K2), thereby the operation of the switching of control capacitor group is simultaneously to data acquisition unit output enabling signal; When time relay (P) timing arrives official hour (1 second), relay tip opening time (PJ), thereby second relay (Z2) is opened circuit, the contact of second relay (Z2J) disconnects, disconnect the path of direct current positive electricity and closure signal output or separation signal output, realization stops to provide enabling signal to data acquisition unit to the switching control operation of capacitor group simultaneously.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.

Claims (3)

1. capacitor group switching controller, constitute by casing and inner control circuit thereof, it is characterized in that: control circuit is by mains switch (K1), start button (SB1), first relay (Z1), second relay (Z2), the time relay (P), closing component selections switch (K2) connects and composes, its concrete annexation is: ac power input end is connected on the mains switch (K1), one end of mains switch (K1) connects start button (SB1) jointly, first contact (Z1J-1) of first relay, second contact (Z1J-2) of first relay, the other end of start button (SB1) is connected with first relay (Z1), first contact (Z1J-1) of first relay is connected with the time relay (P), second contact (Z1J-2) of first relay, the contact (PJ) of second relay (Z2) and time relay is linked in sequence together, first relay (Z1), the other end of the contact (PJ) of the time relay (P) and time relay is connected with the other end of mains switch (K1), the forward dc power input that is provided with on the casing is connected with the contact (Z2J) of second relay, the other end of the contact of second relay (Z2J) with close component selections switch (K2) and be connected, close component selections switch (K2) and select to be connected to closure signal output or separation signal output on the casing.
2. capacitor group switching controller according to claim 1 is characterized in that: the described time relay (P) is the time relay of time-delay in 1 second.
3. capacitor group switching controller according to claim 1, it is characterized in that: also be provided with the data acquisition unit enabling signal output that is connected with data acquisition unit on the described casing, this enabling signal output is connected with the contact (Z2J) of second relay.
CNU2009200957239U 2009-03-03 2009-03-03 Switching controller of condenser bank Expired - Lifetime CN201369573Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200957239U CN201369573Y (en) 2009-03-03 2009-03-03 Switching controller of condenser bank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200957239U CN201369573Y (en) 2009-03-03 2009-03-03 Switching controller of condenser bank

Publications (1)

Publication Number Publication Date
CN201369573Y true CN201369573Y (en) 2009-12-23

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CNU2009200957239U Expired - Lifetime CN201369573Y (en) 2009-03-03 2009-03-03 Switching controller of condenser bank

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102135576A (en) * 2010-12-23 2011-07-27 天津市电力公司 Switching tester of substation condenser bank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102135576A (en) * 2010-12-23 2011-07-27 天津市电力公司 Switching tester of substation condenser bank

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: TIANJIN ELECTRIC POWER CORP.

Effective date: 20130521

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP.

Effective date: 20130521

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130521

Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Patentee after: State Grid Corporation of China

Patentee after: Tianjin Electric Power Corp.

Address before: 300010 Tianjin city Hebei District Wujing Road No. 39

Patentee before: Tianjin Electric Power Corp.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20091223