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CN104638603A - Automatic reclosing method and device for power recovery - Google Patents

Automatic reclosing method and device for power recovery Download PDF

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Publication number
CN104638603A
CN104638603A CN201410845490.5A CN201410845490A CN104638603A CN 104638603 A CN104638603 A CN 104638603A CN 201410845490 A CN201410845490 A CN 201410845490A CN 104638603 A CN104638603 A CN 104638603A
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CN
China
Prior art keywords
control
circuit breaker
circuit
operating mechanism
telegram
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.)
Pending
Application number
CN201410845490.5A
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Chinese (zh)
Inventor
徐鹏飞
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.)
Qingdao Feipeng Energy Co Ltd
Original Assignee
Qingdao Feipeng Energy 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 Qingdao Feipeng Energy Co Ltd filed Critical Qingdao Feipeng Energy Co Ltd
Priority to CN201410845490.5A priority Critical patent/CN104638603A/en
Publication of CN104638603A publication Critical patent/CN104638603A/en
Pending legal-status Critical Current

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Abstract

The invention provides an automatic reclosing method and device for power recovery, and belongs to the field of line and load protection methods and devices. The method is based on a breaker with an under-voltage tripping function in a direct current or alternating current circuit for connection, an electric operation mechanism for controlling the breaker to be in a closed or opened state and a control module capable of receiving a remote control instruction and controlling the electric operation mechanism, wherein a connecting end of the control module is connected to an incoming line end of the direct current or alternating current circuit for detecting a voltage signal of the incoming line end, can be used for automatically controlling the electric operation mechanism to execute reclosing operation of the breaker or receiving a control instruction of a remote client through a wired or wireless mode and controlling the electric operation mechanism to execute closing or opening operation of the breaker. While under-voltage protection is provided for a line, the line is automatically reclosed for power recovery to power on, manual operation is avoided, the method is convenient and reliable, normal production and life are not affected, the labor is saved, and the system cost is reduced. Meanwhile the practicability and the universality are enhanced.

Description

A kind of telegram in reply automatic reclosing method and device
Technical field
The present invention relates to a kind of circuit and load protective method and device, specifically a kind of telegram in reply automatic reclosing method and device.
Background technology
At present; the known circuit in the o-volt protection of low pressure (exchanging 1000V or below direct current 1000V) band is when protective device action after circuit decompression; circuit breaker tripping; if circuit telegram in reply circuit breaker is still in trip status, after needing manual reset, manual closing operation circuit just can complete telegram in reply operation again again.This mode of operation must have manually on duty, if manually not on duty, circuit can not complete telegram in reply operation, will directly affect daily production, life.
Summary of the invention
Technical assignment of the present invention is the deficiency for needing manual closing operation after prior art circuit decompression, provides a kind of telegram in reply automatic reclosing method and device.The method and device not only possess o-volt protection, and can after circuit telegram in reply automatic reclosing, make circuit recover to power on and without the need to manual operation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of telegram in reply automatic reclosing method, the method based on:
One in order to be connected to the circuit breaker of the band undervoltage tripping function in direct current or alternating current circuit, a motor-operating mechanism being in separating brake or "on" position in order to control circuit breaker, one can receive remote control commands and control the control module of motor-operating mechanism, the terminals of described control module are connected to the end of incoming cables of direct current or alternating current circuit, in order to detect the voltage signal of end of incoming cables, energy automatic control electric pneumatic operating mechanism performs the reclosing operation of circuit breaker, or the control command of Terminal Server Client is received by wired or wireless mode, control combined floodgate or sub-switching operation that motor-operating mechanism performs circuit breaker.
Described control module receives the control command of Terminal Server Client by wired or wireless mode, and performs separating brake or closing operation.
A kind of telegram in reply auto recloser, comprise one in order to be connected to the circuit breaker of the band undervoltage tripping function in direct current or alternating current circuit, a motor-operating mechanism being in separating brake or "on" position in order to control circuit breaker, one can receive remote control commands and control the control module of motor-operating mechanism, the terminals of described control module are connected to the end of incoming cables of direct current or alternating current circuit in order to detect the voltage signal of end of incoming cables, and control module receives Terminal Server Client instruction by wired or wireless mode.
Whether the end of incoming cables of described direct current or alternating current circuit is parallel with instruction circuit has the power supply of electricity to have electric indicator light, and whether the leading-out terminal of described direct current or alternating current circuit is parallel with instruction circuit has electricity and the whether successful load of combined floodgate to have electric indicator light.
Described control module is connected with and indicates circuit whether to have the power supply of electricity to have electric indicator light and instruction circuit whether to have electricity and the whether successful load of combined floodgate to have electric indicator light.
Described load have the circuit of electric indicator light is in series with circuit breaker often drive auxiliary contact.
Described circuit breaker is 2-4 pole circuit breaker.
Described control module is provided with the contactor or relay contact that control motor-operating mechanism combined floodgate and the contactor or the relay contact that control motor-operating mechanism separating brake, control module is provided with the control coil of contactor or relay contact and the control coil of contactor or relay contact.
The model of described control module is PIC24FJ128GA106, and it is built-in with wherein one or more the combination in GPRS module, WIFI module, bluetooth module or ZIGBEE module, is built-in with RS232 or RS485 interface.
Compared with prior art, the beneficial effect produced is for one telegram in reply automatic reclosing method of the present invention and device:
The present invention is while providing o-volt protection to circuit, and circuit telegram in reply automatic reclosing powers on, and avoids manual operation, convenient and reliable, does not affect normal production, life, saves manpower, reduce system cost.Enhance practicality and versatility simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is the theory structure schematic diagram of telegram in reply automatic reclosing method of the present invention;
Accompanying drawing 2 is the structural representation of telegram in reply auto recloser of the present invention first embodiment;
Accompanying drawing 3 is the structural representation of telegram in reply auto recloser of the present invention second embodiment;
Accompanying drawing 4 is the structural representation of telegram in reply auto recloser of the present invention 3rd embodiment;
Accompanying drawing 5 is the structural representation of telegram in reply auto recloser of the present invention 4th embodiment;
Accompanying drawing 6-9 is the four kind structural representations of the present invention in alternating current circuit;
Accompanying drawing 10-13 is the four kind structural representations of the present invention in DC circuit.
In figure, a, circuit breaker, b, motor-operating mechanism, c, power supply have electric indicator light, d, load have electric indicator light, e, contactor or relay contact, control electric operating mechanism of circuit-breaker b and close a floodgate, f, contactor or relay contact, control electric operating mechanism of circuit-breaker b separating brake, g, control module, the control coil of h, contactor or relay e, the control coil of i, contactor or relay f, j, circuit breaker a often drive auxiliary contact.
Embodiment
Below in conjunction with accompanying drawing 1-13, one telegram in reply automatic reclosing method of the present invention and device are described in detail below.
As shown in Figure 1, one telegram in reply automatic reclosing method of the present invention, be based on: one in order to be connected to the circuit breaker a of the band undervoltage tripping function in direct current or alternating current circuit, one is in combined floodgate or the motor-operating mechanism b of gate-dividing state in order to control circuit breaker a, one can receive remote control commands and can control the control module g of motor-operating mechanism b, the terminals of described control module g are connected to the end of incoming cables of direct current or alternating current circuit, in order to detect the voltage signal of end of incoming cables, energy automatic control electric pneumatic operating mechanism b performs the reclosing operation of circuit breaker a, or the control command of Terminal Server Client is received by wired or wireless mode, control combined floodgate or sub-switching operation that motor-operating mechanism b performs circuit breaker a.
Embodiment one:
As shown in Figure 2, be the interchange embodiment of a kind of auto recloser of sending a telegram in reply of the present invention.
Power supply has electric indicator light c to indicate the presence or absence of AC three-phase, load have electric indicator light d to indicate load end whether electric, when end of incoming cables dead electricity or under-voltage, circuit breaker a threads off protection, and power supply has electric indicator light c to go out, and load has electric indicator light d to go out, when circuit is sent a telegram in reply again, power supply has electric indicator light c bright, load has electric indicator light d to go out, control module g has detected electricity, the control coil i of automatic control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of the automatic control contactor of control module or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, load has electric indicator light d bright, complete reclosing operation of automatically sending a telegram in reply, or after control module g receives Terminal Server Client reclosing command, the control coil i of control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of control module g control contactor or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, load has electric indicator light d bright, complete telegram in reply reclosing operation.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
After control module g receives the instruction of Terminal Server Client separating brake by wired or wireless mode, the control coil i of control module g control contactor or relay contact f obtains electric, contactor or relay contact f close, and motor-operating mechanism b performs sub-switching operation, and load has electric indicator light d to go out; After control module g receives Terminal Server Client reclosing command by wired or wireless mode, the control coil h of control contactor or relay contact e obtains electric, contactor or relay contact e close, and motor-operating mechanism b performs closing operation, and load has electric indicator light d bright.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
Embodiment two:
As shown in Figure 3, be direct current embodiment of the present invention, for reaching requirement of withstand voltage, circuit breaker a adopts 2 pole series systems.Power supply have electric indicator light c indicate galvanic with or without, load have electric indicator light d to indicate load end whether electric, when end of incoming cables dead electricity or under-voltage, circuit breaker a threads off protection, and power supply has electric indicator light c to go out, and load has electric indicator light d to go out, when circuit is sent a telegram in reply again, control module g has detected electricity, automatic control power supply has electric indicator light c bright, the control coil i of automatic control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of the automatic control contactor of control module or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete reclosing operation of automatically sending a telegram in reply, or after control module g receives Terminal Server Client instruction, controlling power supply has electric indicator light c bright, the control coil i of control module g control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of control module g control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete telegram in reply reclosing operation.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
After control module g receives the instruction of Terminal Server Client separating brake by wired or wireless mode, the control coil i of control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker is often opened auxiliary contact j and is disconnected, and load has electric indicator light d to go out; After control module g receives Terminal Server Client reclosing command by wired or wireless mode, the control coil h of control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker is often opened auxiliary contact j and is closed, and load has electric indicator light d bright.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
Embodiment three:
As shown in Figure 4, be direct current embodiment of the present invention, for reaching requirement of withstand voltage, circuit breaker a adopts 3 pole series systems.Power supply have electric indicator light c indicate galvanic with or without, load have electric indicator light d to indicate load end whether electric, when end of incoming cables dead electricity or under-voltage, circuit breaker a threads off protection, and power supply has electric indicator light c to go out, and load has electric indicator light d to go out, when circuit is sent a telegram in reply again, control module g has detected electricity, automatic control power supply has electric indicator light c bright, the control coil i of automatic control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of the automatic control contactor of control module or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete reclosing operation of automatically sending a telegram in reply, or after control module g receives Terminal Server Client instruction, controlling power supply has electric indicator light c bright, the control coil i of control module g control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of control module g control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete telegram in reply reclosing operation.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
After control module g receives the instruction of Terminal Server Client separating brake by wired or wireless mode, the control coil i of control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker is often opened auxiliary contact j and is disconnected, and load has electric indicator light d to go out; After control module g receives Terminal Server Client reclosing command by wired or wireless mode, the control coil h of control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker is often opened auxiliary contact j and is closed, and load has electric indicator light d bright.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
Embodiment four:
As shown in Figure 5, be direct current embodiment of the present invention, for reaching requirement of withstand voltage, circuit breaker a adopts 4 pole series systems.Power supply have electric indicator light c indicate galvanic with or without, load have electric indicator light d to indicate load end whether electric, when end of incoming cables dead electricity or under-voltage, circuit breaker a threads off protection, and power supply has electric indicator light c to go out, and load has electric indicator light d to go out, when circuit is sent a telegram in reply again, control module g has detected electricity, automatic control power supply has electric indicator light c bright, the control coil i of automatic control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of the automatic control contactor of control module or relay e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete reclosing operation of automatically sending a telegram in reply, or after control module g receives Terminal Server Client instruction, controlling power supply has electric indicator light c bright, the control coil i of control module g control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker a is resetted, then, the control coil h of control module g control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker a is closed a floodgate, circuit breaker is often opened auxiliary contact j and is closed, load has electric indicator light d bright, complete telegram in reply reclosing operation.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
After control module g receives the instruction of Terminal Server Client separating brake by wired or wireless mode, the control coil i of control contactor or relay contact f obtains electric, contactor or relay contact f close, motor-operating mechanism b performs sub-switching operation, circuit breaker is often opened auxiliary contact j and is disconnected, and load has electric indicator light d to go out; After control module g receives Terminal Server Client reclosing command by wired or wireless mode, the control coil h of control contactor or relay contact e obtains electric, contactor or relay contact e close, motor-operating mechanism b performs closing operation, circuit breaker is often opened auxiliary contact j and is closed, and load has electric indicator light d bright.Contactor or relay contact f and contactor or relay contact e are wink ejector half, and its state does not keep.
As shown in accompanying drawing 6-9, the terminals of control module g are connected to the end of incoming cables of alternating current circuit, the model of control module g is PIC24FJ128GA106, its built-in any one or a few combination be respectively arranged with in GPRS module, WIFI module, bluetooth module and ZIGBEE module, realize wireless transmission, the wire transmission of built-in RS232 or RS485 Interface realization.
As shown in accompanying drawing 10-13, the terminals of control module g are connected to the end of incoming cables of DC circuit, the model of control module g is PIC24FJ128GA106, its built-in any one or a few combination be respectively arranged with in GPRS module, WIFI module, bluetooth module and ZIGBEE module, realize wireless transmission, the wire transmission of built-in RS232 or RS485 Interface realization.

Claims (10)

1. a telegram in reply automatic reclosing method, is characterized in that, the method based on:
One in order to be connected to the circuit breaker (a) of the band undervoltage tripping function in direct current or alternating current circuit,
A motor-operating mechanism (b) being in separating brake and "on" position in order to control circuit breaker (a),
One can receive remote control commands and can control the control module (g) of motor-operating mechanism (b),
The terminals of described control module (g) are connected to the end of incoming cables of direct current or alternating current circuit, in order to detect the voltage signal of end of incoming cables, energy automatic control electric pneumatic operating mechanism (b) performs the reclosing operation of circuit breaker (a), or the control command of Terminal Server Client is received by wired or wireless mode, control combined floodgate or sub-switching operation that motor-operating mechanism (b) performs circuit breaker (a).
2. one telegram in reply automatic reclosing method according to claim 1, it is characterized in that, described control module (g) energy automatic control electric pneumatic operating mechanism (b) performs the reclosing operation of circuit breaker (a), or the control command of Terminal Server Client is received by wired or wireless mode, control combined floodgate or sub-switching operation that motor-operating mechanism (b) performs circuit breaker (a).
3. a telegram in reply auto recloser, comprise one in order to be connected to the circuit breaker (a) of the band undervoltage tripping function in direct current or alternating current circuit, a motor-operating mechanism (b) being in separating brake or "on" position in order to control circuit breaker (a), one can receive remote control commands and can control the control module (g) of motor-operating mechanism (b), it is characterized in that, the terminals of described control module (g) are connected to the end of incoming cables of direct current or alternating current circuit in order to detect the voltage signal of end of incoming cables, control module (g) receives Terminal Server Client instruction by wired or wireless mode.
4. one telegram in reply auto recloser according to claim 3, is characterized in that, whether the end of incoming cables of described direct current or alternating current circuit is parallel with instruction circuit has the power supply of electricity to have electric indicator light (c).
5. one telegram in reply auto recloser according to claim 3, is characterized in that, whether the leading-out terminal of described direct current or alternating current circuit is parallel with instruction circuit has electricity and the whether successful load of combined floodgate to have electric indicator light (d).
6. one telegram in reply auto recloser according to claim 3, it is characterized in that, described control module (g) is connected with and indicates circuit whether to have the power supply of electricity to have electric indicator light (c) and instruction circuit whether to have electricity and the whether successful load of combined floodgate to have electric indicator light (d).
7. one telegram in reply auto recloser according to claim 6, is characterized in that, described load have the circuit of electric indicator light (d) is in series with circuit breaker (a) often drive auxiliary contact (j).
8. one telegram in reply auto recloser according to claim 3, it is characterized in that, described circuit breaker (a) is 2-4 pole circuit breaker.
9. one telegram in reply auto recloser according to claim 3, it is characterized in that, described control module (g) is provided with the contactor or the relay contact (f) that control motor-operating mechanism (b) contactor that closes a floodgate or relay contact (e) and control motor-operating mechanism (b) separating brake, control module (g) is provided with the control coil of the control coil (h) of contactor or relay contact (e) and contactor or relay contact (f) (i).
10. one telegram in reply auto recloser according to claim 3, it is characterized in that, the model of described control module (g) is PIC24FJ128GA106, it is built-in with wherein one or more the combination in GPRS module, WIFI module, bluetooth module or ZIGBEE module, realize wireless transmission, the wire transmission of built-in RS232 or RS485 Interface realization.
CN201410845490.5A 2015-03-26 2015-03-26 Automatic reclosing method and device for power recovery Pending CN104638603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410845490.5A CN104638603A (en) 2015-03-26 2015-03-26 Automatic reclosing method and device for power recovery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410845490.5A CN104638603A (en) 2015-03-26 2015-03-26 Automatic reclosing method and device for power recovery

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Publication Number Publication Date
CN104638603A true CN104638603A (en) 2015-05-20

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786346A (en) * 2017-02-10 2017-05-31 黑龙江恒讯科技有限公司 A kind of IP-based miniature circuit breaker
CN106935423A (en) * 2015-12-31 2017-07-07 上海良信电器股份有限公司 Electric operating mechanism of circuit-breaker control device of wireless
CN107240195A (en) * 2017-07-11 2017-10-10 许昌亿源电气有限公司 A kind of prepaid high voltage metering box with remote control on/off switch function
CN107769151A (en) * 2017-10-19 2018-03-06 广东电网有限责任公司珠海供电局 A kind of 110kV bus loss of pressure telegram in reply method
CN108287491A (en) * 2018-03-09 2018-07-17 广船国际有限公司 A kind of device of bank electricity interlocking
CN110021486A (en) * 2019-03-11 2019-07-16 郭军 A kind of no-voltage trip auto recloser
CN112564108A (en) * 2020-12-15 2021-03-26 贵州电网有限责任公司 Power distribution network self-adaptive reconstruction strategy considering complex power generation benefits
CN115189236A (en) * 2021-04-07 2022-10-14 洛阳信德科技有限公司 A kind of application method of multi-power multi-mode power supply and distribution cabinet

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JPH09259733A (en) * 1996-03-26 1997-10-03 Fuji Electric Co Ltd Overcurrent trip device
CN101980419A (en) * 2010-12-09 2011-02-23 天津市海川电力技术有限公司 Automatic control device for vacuum circuit breaker on electric distribution network
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
CN204497717U (en) * 2015-03-26 2015-07-22 青岛飞鹏能源有限公司 A kind of telegram in reply auto recloser

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH09259733A (en) * 1996-03-26 1997-10-03 Fuji Electric Co Ltd Overcurrent trip device
CN101980419A (en) * 2010-12-09 2011-02-23 天津市海川电力技术有限公司 Automatic control device for vacuum circuit breaker on electric distribution network
CN102522731A (en) * 2011-11-30 2012-06-27 日升集团有限公司 Intelligent reclosing controller
CN204497717U (en) * 2015-03-26 2015-07-22 青岛飞鹏能源有限公司 A kind of telegram in reply auto recloser

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106935423A (en) * 2015-12-31 2017-07-07 上海良信电器股份有限公司 Electric operating mechanism of circuit-breaker control device of wireless
CN106786346A (en) * 2017-02-10 2017-05-31 黑龙江恒讯科技有限公司 A kind of IP-based miniature circuit breaker
CN107240195A (en) * 2017-07-11 2017-10-10 许昌亿源电气有限公司 A kind of prepaid high voltage metering box with remote control on/off switch function
CN107769151A (en) * 2017-10-19 2018-03-06 广东电网有限责任公司珠海供电局 A kind of 110kV bus loss of pressure telegram in reply method
CN108287491A (en) * 2018-03-09 2018-07-17 广船国际有限公司 A kind of device of bank electricity interlocking
CN108287491B (en) * 2018-03-09 2023-09-26 广船国际有限公司 Shore power interlocking device
CN110021486A (en) * 2019-03-11 2019-07-16 郭军 A kind of no-voltage trip auto recloser
CN112564108A (en) * 2020-12-15 2021-03-26 贵州电网有限责任公司 Power distribution network self-adaptive reconstruction strategy considering complex power generation benefits
CN112564108B (en) * 2020-12-15 2023-07-04 贵州电网有限责任公司 Power distribution network self-adaptive reconstruction strategy considering complex electricity benefits
CN115189236A (en) * 2021-04-07 2022-10-14 洛阳信德科技有限公司 A kind of application method of multi-power multi-mode power supply and distribution cabinet

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Application publication date: 20150520