CN107680841B - Breaker option principle device and control method - Google Patents

Breaker option principle device and control method Download PDF

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Publication number
CN107680841B
CN107680841B CN201710619977.5A CN201710619977A CN107680841B CN 107680841 B CN107680841 B CN 107680841B CN 201710619977 A CN201710619977 A CN 201710619977A CN 107680841 B CN107680841 B CN 107680841B
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China
Prior art keywords
breaker
pole
circuit
master controller
divide
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CN107680841A (en
Inventor
宋艳
杨成钢
吕春美
钱江
王笑棠
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State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201710619977.5A priority Critical patent/CN107680841B/en
Publication of CN107680841A publication Critical patent/CN107680841A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16Indicators for switching condition, e.g. "on" or "off"
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16Indicators for switching condition, e.g. "on" or "off"
    • H01H9/168Indicators for switching condition, e.g. "on" or "off" making use of an electromagnetic wave communication
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H9/563Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H2003/266Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts

Abstract

The invention discloses a kind of breaker option principle device and control methods, including breaker and circuit-breaker switching on-off control system, breaker includes the first pole, second pole and third pole, first pole, pressure sensor is equipped in second pole and third pole, first pole of breaker, second pole and third pole bottom are equipped with displacement sensor, divide-shut brake control system includes master controller, temperature sensor, timer, first driving circuit, second driving circuit, third driving circuit, first motor, second motor, third motor, radio communication circuit, first opening/closing operation mechanism, second opening/closing operation mechanism and third opening/closing operation mechanism.The present invention has the characteristics that real-time compensation function and branch wire time are stable.

Description

Breaker option principle device and control method
Technical field
It is manufactured the present invention relates to high pressure electrical circuit breakers and uses technical field, there is compensation function more particularly, to one kind and divided The stable breaker option principle device of closing time and control method.
Background technique
It is well known that with the appearance and extensive use of super-pressure, UHV transmission line, breaker switching load with And cut-off the voltage generated during short circuit current and shove, often jeopardize insulation and the stability of power system of equipment, because This will realize it is necessary to carry out certain control and optimization to circuit-breaker switching on-off operating process and accurately control and obtain ideal Effect, guarantee the intrinsic actuation time discreteness of breaker mechanism and stability be critically important factor.
Summary of the invention
The present invention is to overcome in the prior art, and when breaker carries out breaking-closing operating, branch wire time is unstable, meeting The problem of jeopardizing stability of power system provides a kind of breaker phase selection stable with compensation function and branch wire time point Closing device and control method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of breaker option principle device, including breaker and circuit-breaker switching on-off control system, breaker include First pole, the second pole and third pole are equipped with pressure sensor in the first pole, the second pole and third pole, point Shutting-brake control system includes main control, temperature sensor, timer, the first driving circuit, the second driving circuit, third driving electricity Road, first motor, the second motor, third motor, radio communication circuit, the first opening/closing operation mechanism, the second breaking-closing operating Mechanism and third opening/closing operation mechanism;Each pressure sensor, temperature sensor, timer, the first driving circuit, second drive Dynamic circuit, third driving circuit and radio communication circuit are electrically connected with master controller, the first driving circuit and first motor electricity Connection, the second driving circuit are electrically connected with the second motor, and third driving circuit is electrically connected with third motor, the first breaking-closing operating Mechanism and first motor are mechanically connected, and the second opening/closing operation mechanism is connect with the second electromechanics, third breaking-closing operating machine Structure is connect with third electromechanics.
For the present invention on the basis of original three-phase interlock breaker, realization is respectively furnished with a breaking-closing operating to three poles Mechanism is changed to three-phase split-phase by traditional three phase mechanical linkage and operates control the divide-shut brake of breaker, opening/closing operation mechanism Control is driven by motor in structure, and pressure sensor is for acquiring gas pressure data in pole, and temperature sensor is for acquiring the external world Environment temperature, timer is for recording breaker each phase divide-shut brake movement deadline.Breaker mechanism actuation time is with machine The change that structure adds up the parameters such as action frequency can generate minor change, grasp gas pressure change, ambient temperature variation And it after motor control loop voltage change etc. is to the influence amount of breaker intrinsic divide-shut brake actuation time, is monitored by sensor External each parameter real value, and by preset compensated curve interpolation calculation in master controller, when obtaining circuit-breaker switching on-off movement Between under current real-time conditions because all many reference amounts variation generate deviation, with realize the expection of intrinsic divide-shut brake actuation time is repaired Just.The present invention has the characteristics that real-time compensation function and branch wire time are stable.
Preferably, warning circuit is electrically connected with master controller the invention also includes warning circuit.It is equipped in master controller Each phase pole of breaker is normally carried out the time range of divide-shut brake movement, when any one phase pole of breaker carries out the dynamic of divide-shut brake When making the time more than the time range set in master controller, the buzzer in warning circuit will issue the sound.
Preferably, the invention also includes first voltage detection circuit, second voltage detection circuit and tertiary voltage detection Circuit, first voltage detection circuit and the electrical connection of the first driving circuit, second voltage detection circuit are electrically connected with the second driving circuit It connects, tertiary voltage detection circuit is electrically connected with third driving circuit, first voltage detection circuit, second voltage detection circuit and Three voltage detecting circuits are electrically connected with master controller.Each voltage detecting circuit controls in corresponding driving circuit for detecting The voltage swing of circuit.
Preferably, the first pole of breaker, the second pole and third pole bottom are equipped with displacement sensor, it is each Displacement sensor is electrically connected with master controller.Displacement sensor carries out divide-shut brake movement in each phase pole of breaker for detecting When generated displacement.
Preferably, real-time clock is electrically connected with master controller the invention also includes real-time clock.Real-time clock is this dress It sets and provides high-precision real-time time, breaker can be made to start point at the time of operator sets by master controller Feed motion, after device power down, this real-time clock can be one month with continuous service.
A kind of control method of breaker option principle device, includes the following steps:
The control of (6-1) circuit breaker on-off switch operating mechanism
When needing to carry out breaking-closing operating to any one phase pole in breaker, by operator from main monitor supervision platform Instruction is issued, radio communication circuit is transferred to master controller after receiving command adapted thereto, and master controller drives by the way that control is corresponding Dynamic circuit makes corresponding motor work, and timer starts timing, the corresponding breaking-closing operating machine of motor control at the same time Structure carries out divide-shut brake movement;
The Real-time compensation control of (6-2) breaker intrinsic divide-shut brake actuation time
(6-2-1) during carrying out divide-shut brake movement, every T time, pressure sensor detects gas in a pole The pressure value of body, temperature sensor detect an ambient temperature numerical value, and the detection of corresponding voltage detection circuit is primary opposite The voltage value of control circuit in driving circuit is answered, and the above-mentioned data detected are transferred to master controller;
It is equipped in (6-2-2) master controller needed for meeting each phase pole progress divide-shut brake movement of breaker and completes each time In the correspondence pole of length in the pressure value of gas, ambient temperature numerical value and corresponding driving circuit control circuit electricity Press numerical values recited;
Every T time, master controller according to the pressure value of gas in the ambient temperature numerical value and pole received, Each phase pole of breaker is found out to complete to control in the corresponding driving circuit of divide-shut brake movement institute within the time that operator sets The voltage value of circuit, and controlling makes the voltage value of control circuit in corresponding driving circuit reach corresponding numerical value, above-mentioned mistake Journey is completed once every T time, and when divide-shut brake, which acts, to be completed, master controller receives the feedback signal of driving circuit, timer Stop timing.
Preferably, step (6-2) further includes following steps:
The time of divide-shut brake movement is carried out in (6-2-3) master controller equipped with each phase pole of breaker of operator's setting And error range, it is more than the time set in master controller when the actuation time that any one phase pole of breaker carries out divide-shut brake And when error range, master controller can control the buzzer in warning circuit and issue the sound;
The time set in master controller and mistake are respectively positioned on when the actuation time that each phase pole of breaker carries out divide-shut brake When poor range, the buzzer that master controller can control in warning circuit stops working.
Preferably, the control method of breaker option principle device, further includes following steps:
When each phase pole of breaker carries out divide-shut brake movement, due to needing to generate mechanical movement, in this process, open circuit Each phase pole of device can be all subjected to displacement, be normally carried out equipped with each phase pole of breaker in master controller the displacement of divide-shut brake movement away from From range, the shift length when displacement sensor detects that any one phase pole of breaker carries out divide-shut brake movement is more than master control When the shift length range set in device processed, master controller circuit can be sent out to the corresponding pole of monitor supervision platform transmission by wireless communication The raw information loosened, reminds staff to pay attention to repairing;
Shift length when displacement sensor detects that each phase pole of breaker carries out divide-shut brake movement is located at main control When the shift length range set in device, illustrate that each phase pole works normally, there is no loosening.
Therefore, the invention has the following beneficial effects: (1) to have the function of real-time compensation, dynamic to intrinsic divide-shut brake to realize Make the expected amendment of time;(2) operating work of opening/closing operation mechanism is reduced to original one third or so, in longtime running It is not susceptible to creep, weakness in the process, guarantees the stabilization of branch wire time.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the invention;
Fig. 2 is a kind of flow chart of the invention.
In figure: circuit-breaker switching on-off control system 1, pressure sensor 2, master controller 3, temperature sensor 4, timer 5, First voltage detection circuit 6, second voltage detection circuit 7, tertiary voltage detection circuit 8, the driving of the first driving circuit 9, second Circuit 10, third driving circuit 11, first motor 12, the second motor 13, third motor 14, radio communication circuit 15, alarm electricity Road 16, real-time clock 17, displacement sensor 18.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing:
A kind of breaker option principle device as shown in Figure 1, including breaker and circuit-breaker switching on-off control system 1, breaker includes the first pole, the second pole and third pole, is equipped with pressure in the first pole, the second pole and third pole Force snesor 2, divide-shut brake control system include master controller 3, temperature sensor 4, timer 5, the first driving circuit 9, and second Driving circuit 10, third driving circuit 11, first motor 12, the second motor 13, third motor 14, radio communication circuit 15, the One opening/closing operation mechanism, the second opening/closing operation mechanism and third opening/closing operation mechanism;Each pressure sensor, temperature pass Sensor, timer, the first driving circuit, the second driving circuit, third driving circuit and radio communication circuit are and master controller Electrical connection, the first driving circuit are electrically connected with first motor, and the second driving circuit is electrically connected with the second motor, third driving circuit It is electrically connected with third motor, the first opening/closing operation mechanism and first motor are mechanically connected, the second opening/closing operation mechanism and the The connection of two electromechanics, third opening/closing operation mechanism are connect with third electromechanics.
The invention also includes warning circuit 16, first voltage detection circuit 6, second voltage detection circuit 7 and tertiary voltages Detection circuit 8, warning circuit is electrically connected with master controller, first voltage detection circuit and the electrical connection of the first driving circuit, and second Voltage detecting circuit is electrically connected with the second driving circuit, and tertiary voltage detection circuit is electrically connected with third driving circuit, the first electricity Detection circuit is pressed, second voltage detection circuit and tertiary voltage detection circuit are electrically connected with master controller.Each voltage detecting Circuit is used to detect the voltage swing of control circuit in corresponding driving circuit.In addition, further including real-time clock 17, real-time clock It is electrically connected with master controller.Real-time clock provides high-precision real-time time for the present apparatus, can make open circuit by master controller Device starts to carry out divide-shut brake movement at the time of operator sets.First pole of breaker, the second pole and third pole Bottom is equipped with displacement sensor 18, and each displacement sensor is electrically connected with master controller.
As shown in Fig. 2, a kind of control method of breaker option principle device, includes the following steps:
Step 100, circuit breaker on-off switch operating mechanism controls
When needing to carry out breaking-closing operating to any one phase pole in breaker, by operator from main monitor supervision platform Instruction is issued, radio communication circuit is transferred to master controller after receiving command adapted thereto, and master controller drives by the way that control is corresponding Dynamic circuit makes corresponding motor work, and timer starts timing, the corresponding breaking-closing operating machine of motor control at the same time Structure carries out divide-shut brake movement;
Step 200, the Real-time compensation control of breaker intrinsic divide-shut brake actuation time
Step 210, during carrying out divide-shut brake movement, every 10 milliseconds of times, pressure sensor detects primary pole The pressure value of gas in column, temperature sensor detect an ambient temperature numerical value, corresponding voltage detection circuit detection one The voltage value of control circuit in secondary corresponding driving circuit, and the above-mentioned data detected are transferred to master controller;
The process pressure sensor, temperature sensor and voltage detecting circuit are L=15 milli in former and later two length Every 1 millisecond of time detection, 1 data in the period of second;Wherein, former and later two periods are respectively period A and period B, then master controller obtains each 15 of pressure sensor, temperature sensor and voltage detecting circuit in period A and period B A detected value;
Each detected value of set period of time A is xi, each detected value of period B is yi, i=1,2 ..., 15;
Utilize formulaCalculate two period pressure sensors, temperature sensor and The similarity for the detected value that voltage detecting circuit obtains, whereinFor single pressure sensor or temperature sensor in period A Or the average value of single all detected values of voltage detecting circuit,It is single pressure sensor or temperature sensor in period B Or the average value of single all detected values of voltage detecting circuit;
Master controller judges the detected value that single pressure sensor, temperature sensor and single voltage detecting circuit obtain Similarity size, when similarity be less than or equal to 1 when, by single pressure sensor, temperature sensor and single electricity in period A The average value of pressure all detected values of detection circuit is transferred to master controller;When similarity is greater than 1, by single pressure in period B The average value of force snesor, temperature sensor and all detected values of single voltage detecting circuit is transferred to master controller.
Step 220, when master controller is interior each equipped with completion needed for meeting each phase pole progress divide-shut brake movement of breaker Between length correspondence pole in the pressure value of gas, control circuit in ambient temperature numerical value and corresponding driving circuit Voltage value size;
Every 10 milliseconds of times, master controller is according to the pressure of gas in the ambient temperature numerical value and pole received Numerical value is found out each phase pole of breaker and is completed in the corresponding driving circuit of divide-shut brake movement institute within the time that operator sets The voltage value of control circuit, and controlling makes the voltage value of control circuit in corresponding driving circuit reach corresponding numerical value, such as The ambient temperature numerical value that master controller receives is 30 DEG C, and the pressure value of gas is 0.6MPa, master control in the first pole The time of device processed 200 milliseconds of completion separating brakes or combined floodgate according to set by operator, judge to control in corresponding driving circuit After the voltage value of circuit processed need to reach 100kV, the corresponding driving circuit of main controller controls simultaneously makes to control electricity in driving circuit The voltage value on road reaches 100kV, and the above process is completed once every 10 milliseconds of times, when divide-shut brake, which acts, to be completed, master control Device processed receives the feedback signal of driving circuit, and timer stops timing.
Step 230, each phase pole of breaker in master controller equipped with operator's setting carry out divide-shut brake movement when Between and error range, when the actuation time that any one phase pole of breaker carries out divide-shut brake be more than set in master controller when Between and when error range, master controller can control the buzzer in warning circuit and issue the sound;
The time set in master controller and mistake are respectively positioned on when the actuation time that each phase pole of breaker carries out divide-shut brake When poor range, the buzzer that master controller can control in warning circuit stops working.
Step 300, the control of each phase pole displacement of breaker
When each phase pole of breaker carries out divide-shut brake movement, due to needing to generate mechanical movement, in this process, open circuit Each phase pole of device can be all subjected to displacement, be normally carried out equipped with each phase pole of breaker in master controller the displacement of divide-shut brake movement away from From range, the shift length when displacement sensor detects that any one phase pole of breaker carries out divide-shut brake movement is more than master control When the shift length range set in device processed, master controller circuit can be sent out to the corresponding pole of monitor supervision platform transmission by wireless communication The raw information loosened, reminds staff to pay attention to repairing;
Shift length when displacement sensor detects that each phase pole of breaker carries out divide-shut brake movement is located at main control When the shift length range set in device, illustrate that each phase pole works normally, there is no loosening.
Breaker can also carry out adaptive equalization other than it can carry out the Real-time compensation control of intrinsic divide-shut brake actuation time Control:
Breaker option principle device can be according to the Sudden Changing Rate for detecting device feedback signal that main controller controls certainly It is dynamic to judge that the moment is completed in divide-shut brake movement, and automatically record breaker each pole divide-shut brake actuation time after operation every time, dress Target deviation can be corrected automatically according to the result that operation is completed in next operation by setting, to improve lower secondary control precision, such as When the device of investment operates for the first time after the power-up, because of the action message before not yet obtaining, device will be according to preset time definite value It is controlled.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that, After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc. Valence form is also fallen within the scope of the appended claims of the present application.

Claims (7)

1. a kind of control method of breaker option principle device, breaker option principle device includes breaker and open circuit Device divide-shut brake control system (1), breaker include the first pole, the second pole and third pole, the first pole, the second pole and It is equipped in third pole pressure sensor (2), divide-shut brake control system includes master controller (3), temperature sensor (4), meter When device (5), the first driving circuit (9), the second driving circuit (10), third driving circuit (11), first motor (12), second electricity Machine (13), third motor (14), radio communication circuit (15), the first opening/closing operation mechanism, the second opening/closing operation mechanism and Third opening/closing operation mechanism;Each pressure sensor, temperature sensor, timer, the first driving circuit, the second driving electricity Road, third driving circuit and radio communication circuit are electrically connected with master controller, and the first driving circuit is electrically connected with first motor, Second driving circuit is electrically connected with the second motor, and third driving circuit is electrically connected with third motor, the first opening/closing operation mechanism Be mechanically connected with first motor, the second opening/closing operation mechanism connect with the second electromechanics, third opening/closing operation mechanism and The connection of third electromechanics;It is characterized in that including the following steps:
The control of (1-1) circuit breaker on-off switch operating mechanism
When needing to carry out breaking-closing operating to any one phase pole in breaker, issued by operator from main monitor supervision platform Instruction, radio communication circuit are transferred to master controller after receiving command adapted thereto, and master controller passes through the corresponding driving electricity of control Road makes corresponding motor work, and timer starts timing at the same time, the corresponding opening/closing operation mechanism of motor control into The movement of row divide-shut brake;
The Real-time compensation control of (1-2) breaker intrinsic divide-shut brake actuation time;
(1-2-1) during carrying out divide-shut brake movement, every T time, pressure sensor detects gas in a pole Pressure value, temperature sensor detect an ambient temperature numerical value, and corresponding voltage detection circuit detects primary corresponding drive The voltage value of control circuit in dynamic circuit, and the above-mentioned data detected are transferred to master controller;
It is equipped in (1-2-2) master controller needed for meeting each phase pole progress divide-shut brake movement of breaker and completes each length of time Correspondence pole in the pressure value of gas, in ambient temperature numerical value and corresponding driving circuit control circuit voltage number It is worth size;
Every T time, master controller is found out according to the pressure value of gas in the ambient temperature numerical value and pole received Each phase pole of breaker completes control circuit in the corresponding driving circuit of divide-shut brake movement institute within the time that operator sets Voltage value, and controlling makes the voltage value of control circuit in corresponding driving circuit reach corresponding numerical value, and the above process is every It is completed once every T time, when divide-shut brake, which acts, to be completed, master controller receives the feedback signal of driving circuit, and timer stops Timing.
2. the control method of breaker option principle device according to claim 1, characterized in that breaker phase selection point Closing device further includes warning circuit (16), and warning circuit is electrically connected with master controller.
3. the control method of breaker option principle device according to claim 1, characterized in that breaker phase selection point Closing device further includes first voltage detection circuit (6), second voltage detection circuit (7) and tertiary voltage detection circuit (8), and One voltage detecting circuit and the electrical connection of the first driving circuit, second voltage detection circuit are electrically connected with the second driving circuit, third Voltage detecting circuit is electrically connected with third driving circuit, first voltage detection circuit, second voltage detection circuit and tertiary voltage Detection circuit is electrically connected with master controller.
4. the control method of breaker option principle device according to claim 1, characterized in that the first of breaker Pole, the second pole and third pole bottom are equipped with displacement sensor (18), and each displacement sensor is electric with master controller Connection.
5. the control method of breaker option principle device according to claim 1, characterized in that breaker phase selection point Closing device further includes real-time clock (17), and real-time clock is electrically connected with master controller.
6. the control method of breaker option principle device according to claim 1, characterized in that step (1-2) is also Include the following steps:
Each phase pole of breaker in (1-2-3) master controller equipped with operator's setting carry out divide-shut brake movement time and Error range, when the actuation time that any one phase pole of breaker carries out divide-shut brake be more than the time set in master controller and When error range, master controller can control the buzzer in warning circuit and issue the sound;
The time set in master controller and error model are respectively positioned on when the actuation time that each phase pole of breaker carries out divide-shut brake When enclosing, the buzzer that master controller can control in warning circuit stops working.
7. the control method of breaker option principle device according to claim 1 or 2 or 3 or 4 or 5 or 6, feature Being further includes following steps:
The control of each phase pole displacement of (7-1) breaker
When each phase pole of breaker carries out divide-shut brake movement, due to needing to generate mechanical movement, in this process, breaker is each Phase pole can be all subjected to displacement, and be normally carried out the shift length model of divide-shut brake movement in master controller equipped with each phase pole of breaker It encloses, the shift length when displacement sensor detects that any one phase pole of breaker carries out divide-shut brake movement is more than master controller When the shift length range of interior setting, master controller circuit can send corresponding pole to monitor supervision platform pine occurs by wireless communication Dynamic information reminds staff to pay attention to repairing;
Shift length when displacement sensor detects that each phase pole of breaker carries out divide-shut brake movement is located in master controller When the shift length range of setting, illustrate that each phase pole works normally, there is no loosening.
CN201710619977.5A 2017-07-26 2017-07-26 Breaker option principle device and control method Active CN107680841B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710619977.5A CN107680841B (en) 2017-07-26 2017-07-26 Breaker option principle device and control method

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CN107680841B true CN107680841B (en) 2019-02-15

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Publication number Priority date Publication date Assignee Title
CN108417419A (en) * 2018-03-13 2018-08-17 广东里田电力工业有限公司 A kind of divide-shut brake indicating means with indication signal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201266570Y (en) * 2008-08-15 2009-07-01 西安市创元电器科技有限责任公司 Controller for selecting phase of high voltage AC circuit breaker
CN101882789B (en) * 2010-06-13 2013-05-08 四川省科学城久信科技有限公司 Integrated high-voltage intelligent phase selection permanent-magnetic circuit breaker
CN204927168U (en) * 2015-08-19 2015-12-30 厦门华电开关有限公司 Optional switching device who operates mutually
CN106451486A (en) * 2016-09-21 2017-02-22 上海思源电力电容器有限公司 Phase-selection switching control system of high-voltage circuit breaker
CN207116277U (en) * 2017-07-26 2018-03-16 国网浙江省电力公司丽水供电公司 Breaker option principle device

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