CN112578754A - Restarting control system of communication management device of transformer substation - Google Patents
Restarting control system of communication management device of transformer substation Download PDFInfo
- Publication number
- CN112578754A CN112578754A CN202011470506.0A CN202011470506A CN112578754A CN 112578754 A CN112578754 A CN 112578754A CN 202011470506 A CN202011470506 A CN 202011470506A CN 112578754 A CN112578754 A CN 112578754A
- Authority
- CN
- China
- Prior art keywords
- signal
- reset control
- power supply
- communication management
- loop
- 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
Links
- 238000004891 communication Methods 0.000 title claims abstract description 44
- 238000012546 transfer Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000010295 mobile communication Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33139—Design of industrial communication system with expert system
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application provides a restart control system of a communication management device of a transformer substation, which comprises a signal transfer device, a signal receiving device, a delay driving device and a reset control device. The signal transfer device is used for receiving a reset control instruction; an electric loop of the signal receiving device outputs a power-off driving signal based on a reset control instruction; the delay driving device is used for outputting a reset control signal based on the power-off driving signal and stopping outputting the reset control signal after the preset delay time length; the reset control device is connected in series in a power supply loop of the communication management device and used for cutting off the power supply loop based on the reset control signal and restoring power supply to the power supply loop after the reset control signal disappears so as to enable the communication management device to be powered off and shut down and powered on again after a preset delay time is kept. Therefore, operation and maintenance personnel can complete the power-off restarting operation of the communication management device at the main station, the arrival time of the personnel is saved, and the transformer substation is prevented from being in an out-of-control state for a long time.
Description
Technical Field
The application relates to the technical field of electric equipment, in particular to a restarting control system of a communication management device of a transformer substation.
Background
In the control network of the current power supply system, the connection between a master station (regional dispatching control center) and substations (substations distributed in a power supply region) is transmitted through an optical fiber network, corresponding communication management devices are respectively installed at the master station and the substations, the substation communication management devices summarize various information such as on-site voltage, current, electric energy meter metering data, on-site environment temperature, on-site switch state position and the like, the information is transmitted to a communication management machine of the master station through information encryption and then decoded, and finally real-time data and other information of the substations are displayed on a monitoring large screen of the master station dispatching control center, so that dispatching operators can observe and monitor the on-site dynamics of the substations at any time and remotely control on-site emergencies.
In the link, the communication management devices of the substations play an important role, when the substations break down and crash, the real-time data on site cannot be normally transmitted to the master station, the master station loses the monitoring function on the substations, so that the substations are in an out-of-control state, and the state is definitely forbidden in the operation regulations of the transformer substation.
According to data statistics investigation, more than ninety percent of communication faults of the transformer substation are caused by the halt of communication management in the transformer substation, the current processing method is to remove the faults by powering off and restarting the communication management machine by related operation and maintenance personnel to the site, but the transformer substation is wide in distribution area and long in distance, and the operation and maintenance personnel often need long time to arrive at the site, so that the transformer substation is in an out-of-control state for a long time, and the safe and stable operation of a power grid is seriously influenced.
Disclosure of Invention
In view of this, the present application provides a restart control system for a communication management device of a transformer substation, which is used for performing power-off restart on the communication management device of the transformer substation so as to prevent the transformer substation from being in an out-of-control state for a long time.
In order to achieve the above object, the following solutions are proposed:
the utility model provides a communication management device's of transformer substation restart control system, restart control system includes signal transfer device, signal receiving arrangement, time delay drive arrangement and reset control device, wherein:
the signal transfer device is used for receiving a reset control instruction sent by a user through terminal equipment;
the signal receiving device is connected with the signal transfer device and is provided with an electric loop, and the electric loop outputs a power-off driving signal based on a reset control instruction received by the signal receiving device;
the signal input end of the delay driving device is connected with the signal output end of the signal receiving device and used for outputting a reset control signal based on the power-off driving signal and stopping outputting the reset control signal after the preset delay time length;
and the signal input end of the reset control device is connected with the signal output end of the delay driving device, is connected in series in a power supply loop of the communication management device, and is used for cutting off the power supply loop based on the reset control signal and controlling the power supply loop to recover power supply after the power supply control signal is eliminated so as to enable the communication management device to be powered off and shut down and to be powered on again after the preset delay time is kept.
Optionally, the signal transfer device is an internal telephone exchange, and is configured to receive a reset control instruction sent by the terminal device.
Optionally, the terminal device is a fixed-line phone or a mobile communication device.
Optionally, the signal receiving device is a telephone, the electric loop is a ringing loop of the telephone, and the ringing loop is powered on when the telephone receives a call.
Optionally, the delay driving device is a power-off delay relay, and is provided with a normally open contact, wherein:
and the driving coil of the power-off delay relay is connected in the ringing circuit in series, and when the ringing circuit is electrified, the normally open contact enters a closed state and is restored to the normally open state after the preset delay time duration is delayed.
Optionally, the reset control device is a contactor and is provided with a normally closed contact, and a driving coil of the contactor is connected with a driving power supply through the normally open contact, wherein:
the normally closed contact is connected in series with the power supply circuit.
According to the technical scheme, the restart control system of the communication management device of the transformer substation comprises a signal transfer device, a signal receiving device, a delay driving device and a reset control device. The signal transfer device is used for receiving a reset control instruction; an electric loop of the signal receiving device outputs a power-off driving signal based on a reset control instruction; the delay driving device is used for outputting a reset control signal based on the power-off driving signal and stopping outputting the reset control signal after the preset delay time length; the reset control device is connected in series in a power supply loop of the communication management device and used for cutting off the power supply loop based on the reset control signal and restoring power supply to the power supply loop after the reset control signal disappears so as to enable the communication management device to be powered off and shut down and powered on again after a preset delay time is kept. Therefore, operation and maintenance personnel can complete the power-off restarting operation of the communication management device at the main station, the arrival time of the personnel is saved, and the transformer substation is prevented from being in an out-of-control state for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a restart control system of a communication management device of a substation according to an embodiment of the present application;
fig. 2 is a block diagram of a restart control system of a communication management device of another substation according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
Fig. 1 is a block diagram of a restart control system of a communication management device of a substation according to an embodiment of the present application.
As shown in fig. 1, the restart control system provided in this embodiment is applied to a substation, and is used for performing a restart operation on a communication management device 100 when the communication management device fails, so as to avoid that the substation is in a runaway state for a long time due to a long-term downtime of the communication management device, and the restart control system includes a signal transfer device 10, a signal receiving device 20, a delay driving device 30, and a reset control device 40.
The signal transfer device is used for receiving a reset control signal sent by a user through the terminal device, namely receiving the reset control signal sent by the terminal device when the user fails to receive data uploaded by the communication management device of the transformer substation in the main station and issues the data when the user is down and needs to be restarted. And outputs the reset control signal to the signal receiving device.
The signal receiving device is provided with an electric loop, and the electric loop is controlled to be electrified after the reset control signal is received, namely the electric loop is controlled to pass the driving current for a short time or a long time at the moment. So as to output the power-off driving signal to the signal input end of the delay driving device through the signal output end thereof.
The signal input end of the delay driving device is connected with the signal output end of the signal receiving device and used for receiving the power-off driving signal output by the signal receiving equipment, outputting a reset control signal to the reset control device after receiving the power-off driving signal, keeping the preset delay time length, and stopping outputting the reset control signal when the preset delay time length is over.
The reset control signal is output to the reset control device, and the reset control device is connected in series in a power supply loop of the communication management device and used for disconnecting the power-off loop when receiving the reset control signal and replying the power supply connection of the power supply loop to the communication management device when the reset control signal stops being output to the reset control device, so that the power-off restart processing is completed for the communication management device.
It can be seen from the foregoing technical solutions that, this embodiment provides a restart control system for a communication management device of a substation, which includes a signal relay device, a signal receiving device, a delay driving device, and a reset control device. The signal transfer device is used for receiving a reset control instruction; an electric loop of the signal receiving device outputs a power-off driving signal based on a reset control instruction; the delay driving device is used for outputting a reset control signal based on the power-off driving signal and stopping outputting the reset control signal after the preset delay time length; the reset control device is connected in series in a power supply loop of the communication management device and used for cutting off the power supply loop based on the reset control signal and restoring power supply to the power supply loop after the reset control signal disappears so as to enable the communication management device to be powered off and shut down and powered on again after a preset delay time is kept. Therefore, operation and maintenance personnel can complete the power-off restarting operation of the communication management device at the main station, the arrival time of the personnel is saved, and the transformer substation is prevented from being in an out-of-control state for a long time.
As shown in fig. 2, in one embodiment of the present application, the signal relay apparatus selects an internal telephone exchange 11, which is used for receiving the reset control instruction sent by the terminal device and outputting the reset control instruction to the signal receiving apparatus. The terminal device is a fixed telephone or a mobile communication device located at a main station.
The signal receiving means is preferably a telephone 21 which is provided with at least a ringing circuit, i.e. the aforementioned electric circuit. When a call to the telephone set by the terminal equipment through the internal switch is received, namely a reset control instruction is received, the ringing loop is powered on, and the passing electric signal is called as the power-off driving signal.
The time delay driving device in the embodiment selects the power-off time delay relay 31, the driving coil of the power-off time delay relay is connected in the ringing circuit, when the ringing circuit is electrified, the driving coil of the power-off time delay relay is electrified, the normally open contact of the power-off time delay relay is closed at the moment, the closed state is kept continuously rising for a preset time delay duration, such as 3-10 seconds, and the normally open state is recovered after the time delay is finished.
In addition, the delay driving device can also be realized by single chip equipment or PLC.
The reset control device is preferably a contactor 41, and a driving coil of the contactor is connected with a driving power supply through the normally open contact, namely when the normally open contact of the power-off delay relay is normally open, the normally closed contact of the contactor is in a normally closed state, otherwise, the contactor is disconnected. And the normally closed contact of the contactor is connected to the power supply loop of the communication management device. When the power supply circuit is in a normally closed state, the power supply circuit normally supplies power to the communication management device, if the normally closed contact is opened temporarily, the communication management device is powered off temporarily, and the communication management device is restarted when the power supply circuit is powered on again.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program control signals. These computer program control signals may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the control signals executed by the processor of the computer or other programmable data processing terminal device produce means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program control signals may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the control signals stored in the computer-readable memory produce an article of manufacture including control signal means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program control signals may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the control signals which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The technical solutions provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in this document by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a communication management device's of transformer substation control system that restarts, it includes signal transfer device, signal receiver, time delay drive arrangement and reset control device to restart control system, wherein:
the signal transfer device is used for receiving a reset control instruction sent by a user through terminal equipment;
the signal receiving device is connected with the signal transfer device and is provided with an electric loop, and the electric loop outputs a power-off driving signal based on a reset control instruction received by the signal receiving device;
the signal input end of the delay driving device is connected with the signal output end of the signal receiving device and used for outputting a reset control signal based on the power-off driving signal and stopping outputting the reset control signal after the preset delay time length;
and the signal input end of the reset control device is connected with the signal output end of the delay driving device, is connected in series in a power supply loop of the communication management device, and is used for cutting off the power supply loop based on the reset control signal and controlling the power supply loop to recover power supply after the power supply control signal is eliminated so as to enable the communication management device to be powered off and shut down and to be powered on again after the preset delay time is kept.
2. The restart control system of claim 1 wherein said signal relay means is an internal telephone exchange for receiving a reset control command from said terminal device.
3. The restart control system of claim 2 wherein said terminal device is a landline or mobile communication device.
4. The restart control system of claim 2 wherein said signal receiving means is a telephone, said electrical loop is a ringing loop of said telephone, and said ringing loop is energized when a call is received by said telephone.
5. The restart control system of claim 4, wherein said delay driving means is a power-off delay relay provided with normally open contacts, wherein:
and the driving coil of the power-off delay relay is connected in the ringing circuit in series, and when the ringing circuit is electrified, the normally open contact enters a closed state and is restored to the normally open state after the preset delay time duration is delayed.
6. The restart control system according to claim 5, wherein said reset control means is a contactor provided with a normally closed contact through which a drive coil of said contactor is connected to a drive power supply, wherein:
the normally closed contact is connected in series with the power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470506.0A CN112578754A (en) | 2020-12-14 | 2020-12-14 | Restarting control system of communication management device of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011470506.0A CN112578754A (en) | 2020-12-14 | 2020-12-14 | Restarting control system of communication management device of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112578754A true CN112578754A (en) | 2021-03-30 |
Family
ID=75135280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011470506.0A Pending CN112578754A (en) | 2020-12-14 | 2020-12-14 | Restarting control system of communication management device of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112578754A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092868A (en) * | 2020-09-07 | 2020-12-18 | 交控科技股份有限公司 | Remote restarting device, train and restarting method for full-automatic running train |
| CN116956199A (en) * | 2023-09-19 | 2023-10-27 | 江苏百维能源科技有限公司 | Big data analysis system and method for intelligent ammeter information interaction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201985624U (en) * | 2011-02-14 | 2011-09-21 | 滕晓辉 | Device for remotely controlling the restart of power supply |
| CN103529742A (en) * | 2013-11-06 | 2014-01-22 | 国家电网公司 | Remote power-failure restarting method and device |
| CN204597638U (en) * | 2015-05-26 | 2015-08-26 | 国网山东五莲县供电公司 | Transformer station's master control device remote reboot control circuit |
| CN105119381A (en) * | 2015-09-17 | 2015-12-02 | 国家电网公司 | Device for remotely restarting power of transformer station communication manager |
| CN105958655A (en) * | 2016-07-15 | 2016-09-21 | 国网新疆电力公司阿克苏供电公司 | Remote restart apparatus for communication system of transformer substation |
| CN110601373A (en) * | 2019-10-21 | 2019-12-20 | 国家电网有限公司 | Telecontrol machine restarting device |
| CN112034970A (en) * | 2020-09-03 | 2020-12-04 | 国网湖北省电力有限公司孝感供电公司 | Restarting device of real-time data monitoring computer of unattended substation |
-
2020
- 2020-12-14 CN CN202011470506.0A patent/CN112578754A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201985624U (en) * | 2011-02-14 | 2011-09-21 | 滕晓辉 | Device for remotely controlling the restart of power supply |
| CN103529742A (en) * | 2013-11-06 | 2014-01-22 | 国家电网公司 | Remote power-failure restarting method and device |
| CN204597638U (en) * | 2015-05-26 | 2015-08-26 | 国网山东五莲县供电公司 | Transformer station's master control device remote reboot control circuit |
| CN105119381A (en) * | 2015-09-17 | 2015-12-02 | 国家电网公司 | Device for remotely restarting power of transformer station communication manager |
| CN105958655A (en) * | 2016-07-15 | 2016-09-21 | 国网新疆电力公司阿克苏供电公司 | Remote restart apparatus for communication system of transformer substation |
| CN110601373A (en) * | 2019-10-21 | 2019-12-20 | 国家电网有限公司 | Telecontrol machine restarting device |
| CN112034970A (en) * | 2020-09-03 | 2020-12-04 | 国网湖北省电力有限公司孝感供电公司 | Restarting device of real-time data monitoring computer of unattended substation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092868A (en) * | 2020-09-07 | 2020-12-18 | 交控科技股份有限公司 | Remote restarting device, train and restarting method for full-automatic running train |
| CN116956199A (en) * | 2023-09-19 | 2023-10-27 | 江苏百维能源科技有限公司 | Big data analysis system and method for intelligent ammeter information interaction |
| CN116956199B (en) * | 2023-09-19 | 2023-11-28 | 江苏百维能源科技有限公司 | Big data analysis system and method for intelligent ammeter information interaction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100755277B1 (en) | Assistant Terminal unit applied to Distribution Automation System and Method for Estimating Fault Location and Restoration | |
| CN112578754A (en) | Restarting control system of communication management device of transformer substation | |
| CN103731504B (en) | Field of distribution network DDS communication means | |
| CN102263645A (en) | Power management method and power management system for communication equipment | |
| CN110784017A (en) | Intelligent detection device and method for distribution transformer based on real-time data acquisition | |
| CN201985624U (en) | Device for remotely controlling the restart of power supply | |
| CN203574450U (en) | Voice alarm and remote restarting apparatus of telecontrol device of transformer station | |
| CN103532096A (en) | Method for eliminating defect in 10kV feeder protection device without cutting off power | |
| CN110932395B (en) | Communication system of low-voltage intelligent spare power automatic switching | |
| WO2017167144A1 (en) | Method and apparatus for power distribution control circuit | |
| CN105867290A (en) | Office place safe electricity consumption monitoring system and method | |
| CN105260220A (en) | Remote rebooting system and method for comprehensive automatic system protocol conversion device | |
| CN110031699A (en) | It is a kind of for testing the method and system of protective relaying device remote operation function | |
| CN115249998A (en) | Quick restart device of charge controller and charging pile control system | |
| CN106712298B (en) | Monitoring system for distribution automation system | |
| CN106208383A (en) | A kind of transformer station telecontrol equipment remote control | |
| CN104201675B (en) | A kind of load of overload circuit is poured out and restoration methods automatically | |
| CN210041307U (en) | Power supply system power failure protection system based on PLC control | |
| CN108493928B (en) | Distributed feeder automation distribution line topology ad hoc network method | |
| CN201733259U (en) | Motor restarting device, remote motor restarting control device and system | |
| CN203301228U (en) | Safe electricity utilization early warning system | |
| CN201887561U (en) | Safety communication system for power grid monitoring system | |
| CN104901427A (en) | Substation communication system | |
| CN208316411U (en) | Telecontrol device intelligence control system | |
| CN110931311A (en) | VSP5 switch electric control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210330 |