CN113708497A - Incoming line loop measurement system based on box-type substation - Google Patents
Incoming line loop measurement system based on box-type substation Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Engineering & Computer Science (AREA)
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- Electromagnetism (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a box-type substation-based incoming line loop measurement system, belongs to the technical field of substation measurement, and provides the following scheme: inlet wire return circuit measurement system based on box-type substation includes: the first multi-loop detection module and the second multi-loop detection module are used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the incoming feeder loops in real time; the controller receives a voltage signal, a current signal, an overload signal, a temperature and humidity signal, a four-quadrant electric energy signal, a first electric leakage signal and a switch I/O signal detected by the first multi-loop detection module or the second multi-loop detection module, and controls the voltage signal, the current signal, the overload signal, the temperature and humidity signal, the four-quadrant electric energy signal, the first electric leakage signal and the switch I/O signal to be uploaded to the background server; the data storage module is used for storing the uploaded electrical parameter information of the box-type substation; and the remote management module is used for remotely managing a plurality of incoming feeder circuits in the box-type substation. The technical scheme of the invention improves the operation safety of the box-type substation.
Description
Technical Field
The invention relates to the technical field of transformer substation measurement, in particular to a box-type transformer substation-based incoming line loop measurement system.
Background
With the rapid development of urban modern construction and the increasing improvement of the living standard of people in China, the requirements of power consumers on energy application quality and power supply reliability are higher and higher. Urban power distribution system constantly reforms transform the renewal, and as direct user-oriented terminal distribution complete sets of products, neotype intelligent box-type substation takes place at the same time of fortune, and box-type substation has obtained quick development and extensive application with its advantages such as complete set nature, small, take up an area of fewly, installation convenient to use, easily and surrounding environment harmony mutually.
In the prior art, a background monitoring system for incoming line voltage of a transformer substation comprises a bus connected with equipment and an incoming line connected with a power supply, wherein the bus is connected with the incoming line through a breaker; the voltage transformer and the background monitoring device, a primary voltage end of the voltage transformer is connected with the inlet wire circuit in parallel, and a secondary voltage end of the voltage transformer is connected with the background monitoring device through a secondary voltage wire. The voltage transformer is arranged on the incoming line, and secondary voltage output by the voltage transformer is sent to the background monitoring device, so that voltage monitoring on the incoming line is achieved. Therefore, an operator can judge whether the monitoring incoming line is powered off or not in time, the delay of power transmission time is avoided, and the safety of a power supply system, especially a coal mine power supply system, is improved.
However, the prior art has the problems of single protection, incapability of quickly cutting off power supply, incapability of positioning fault points, incapability of judging fault types and the like; meanwhile, once a certain component in the transformer substation breaks down, no standby detection device is used for timely detection and processing, so that the damage and maintenance of the box-type transformer substation are not timely, and even the personal safety of a user is damaged.
Disclosure of Invention
The invention mainly aims to provide an incoming line loop measuring system based on a box-type substation, and aims to improve the operation safety of the box-type substation.
The basic scheme provided by the invention is as follows:
inlet wire return circuit measurement system based on box-type substation includes:
the first multi-loop detection module and the second multi-loop detection module are used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the incoming feeder loops in real time;
the controller is used for receiving the voltage signal, the current signal, the overload signal, the temperature and humidity signal, the four-quadrant electric energy signal, the first leakage signal and the switch I/O signal which are detected by the first multi-loop detection module or the second multi-loop detection module, and controlling the detected electrical parameter information of the box-type substation to be uploaded to the background server;
the data storage module is used for storing the box-type substation electrical parameter information which is controlled and uploaded by the controller;
and the remote management module is used for remotely managing a plurality of incoming line feeder circuits in the box-type substation.
The principle and the effect of the basic scheme of the invention are as follows:
the incoming line loop measurement system based on the box-type substation comprises a first multi-loop detection module, a second multi-loop detection module, a controller, a data storage module and a remote management module; the first multi-loop detection module is used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of a plurality of incoming feeder loops in real time and feeding the signals back to the controller, the controller uploads electrical parameter information of the box-type substation to the background server and stores the information through the data storage module, and meanwhile, the remote management module can remotely manage the plurality of incoming feeder loops inside the box-type substation; therefore, the system can monitor fault states of electric leakage, short circuit, overload, over-temperature, poor contact and the like of a plurality of incoming line feeder circuits of the box-type substation in real time, the box-type substation can be maintained in time, electric shock and electric fire of a user are prevented, and safety of the box-type substation is improved.
In addition, the second multi-loop detection module is also used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the multiple incoming feeder loops in real time, and when the first multi-loop detection module fails, the second multi-loop detection module can be used for detecting electric parameters in the box-type substation in real time, so that the detection redundancy of the box-type substation is increased, and the reliability of the box-type substation is improved.
Further, inlet wire return circuit measurement system based on box-type substation still includes:
and the remote signaling quantity detection module is used for detecting the incoming line disconnecting link, the position of the breaker and the fault of the breaker of the box-type substation.
The incoming line circuit measuring system based on the box-type substation is provided with the remote signaling quantity detection module, so that incoming line disconnecting links, breaker positions, breaker faults and the like in the box-type substation can be detected, and workers can know the running load states of all feeders in the box-type substation, the breaker fault positions and the like.
Further, inlet wire return circuit measurement system based on box-type substation still includes:
and the relay output module is used for remotely controlling the on/off of the relay in the box-type substation under the control of the background server.
Through the setting of relay output module, under the control of background server to accomplish remote control circuit breaker closure/disconnection, and do not need the staff on-the-spot to go the operation, promoted box-type substation's convenience.
Further, inlet wire return circuit measurement system based on box-type substation still includes:
and the communication module is used for uploading a voltage signal, a current signal, an overload signal, a temperature and humidity signal, a four-quadrant electric energy signal, a first leakage signal and a switch I/O signal to the background server under the control of the controller.
Through the arrangement of the communication module, the electrical parameter information in the box-type substation detected by the first multi-loop detection module or the second multi-loop detection module in real time is uploaded to the background server, so that the system can monitor the box-type substation conveniently, and workers can process the box-type substation in time when the box-type substation breaks down.
Further, the communication module is an ethernet module, a WIFI module or a cellular network module. The cellular network module is a 4G network module or a 5G network module.
Because the communication module comprises the Ethernet module, the WIFI module, the 4G cellular network module or the 5G cellular network module, the transmission rate is high, and the real-time performance is strong.
Further, the first multi-loop detection module and the second multi-loop detection module each include a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, a temperature and humidity detection module, an electric power detection module, an electric leakage detection module, and a switching value I/O module, and the voltage detection module, the current detection module, the temperature and humidity detection module, the electric power detection module, the electric leakage detection module, and the switching value I/O module are respectively connected to the digital signal processing chip;
the voltage detection module is used for detecting voltage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the current detection module is used for detecting current signals of a plurality of incoming feeder lines in the box-type substation in real time;
the power metering module is used for calculating power values of a plurality of incoming feeder circuits in the box-type substation and detecting overload signals in real time;
the temperature and humidity detection module is used for detecting temperature and humidity signals inside the box-type substation in real time;
the power detection module is used for detecting four-quadrant electric energy signals inside the box-type substation in real time;
the leakage detection module is used for detecting leakage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the switching value I/O module is used for detecting switching I/O signals of a plurality of incoming feeder lines in the box-type substation in real time;
the digital signal processing chip is used for receiving the detected voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal and switch I/O signal, performing signal conversion processing, and outputting the converted voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal and switch I/O signal to the controller.
Through the arrangement of the digital signal processing chip, the voltage detection module, the current detection module, the power metering module, the temperature and humidity detection module, the power detection module, the electric leakage detection module, the switching value I/O module and other specific modules in the first multi-loop detection module and the second multi-loop detection module, a plurality of incoming line feeder loops in the box-type substation can be detected in a targeted manner, and various different electrical parameters of the box-type substation can be detected.
Further, inlet wire return circuit measurement system based on box-type substation still includes:
and the electric leakage timing self-detection module is used for carrying out electric leakage self-detection in a preset time period and feeding back a detected second electric leakage signal to the controller.
Through the setting of electric leakage timing self-checking module, can regularly detect box-type substation's self electric leakage condition, promote box-type substation's security.
Further, the preset time period of the electric leakage timing self-checking module is 1 day-15 days.
The self-checking period of the timing self-checking of the electric leakage is specifically set, so that the period of the self-checking of the electric leakage is fixed, the electric leakage detection of the box-type substation is performed periodically, and the safety of the box-type substation is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an incoming line loop measurement system based on a box-type substation according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the incoming line loop measurement system based on the box-type substation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the system comprises a first loop detection module 10, a second loop detection module 20, a controller 30, a data storage module 40, a remote management module 50, a remote traffic detection module 60, a relay output module 70, a communication module 80 and a background server 90.
In an embodiment, referring to fig. 1, the incoming line loop measurement system based on box-type substation comprises:
the first multi-loop detection module and the second multi-loop detection module are used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the incoming feeder loops in real time;
the controller 30 is configured to receive a voltage signal, a current signal, an overload signal, a temperature and humidity signal, a four-quadrant electric energy signal, a first leakage signal and a switch I/O signal detected by the first multi-loop detection module or the second multi-loop detection module, and control to upload detected electrical parameter information of the box-type substation to the background server 90;
the data storage module 40 is used for storing the box-type substation electrical parameter information which is controlled and uploaded by the controller 30;
and the remote management module 50 is used for remotely managing a plurality of incoming feeder circuits inside the box-type substation.
In this embodiment, the incoming line loop measurement system based on the box-type substation further includes a communication module 80, configured to upload a voltage signal, a current signal, an overload signal, a temperature and humidity signal, a four-quadrant power signal, a first leakage signal, and a switch I/O signal to the background server 90 under the control of the controller 30.
It should be noted that the output end of the first loop detection module 10 and the output end of the second loop detection module 20 are both connected to the input end of the controller 30, a communication module 80 is connected between the controller 30 and the background server 90, and the background server 90 is connected to the data storage module 40 and the remote management module 50 respectively.
In this embodiment, the incoming line loop measurement system based on the box-type substation further includes a relay output module 70, which is used for remotely controlling the on/off of the relay in the box-type substation under the control of the background server 90. Through the setting of relay output module 70, under the control of background server 90 to accomplish remote control circuit breaker closure/disconnection, and do not need the staff on-the-spot to go the operation, promoted box-type substation's convenience.
In this embodiment, the incoming line loop measurement system based on the box-type substation further includes a remote semaphore detection module 60, which is used to detect incoming line disconnecting link, breaker position, and breaker fault of the box-type substation. It can be understood that the remote signaling quantity detection module 60 may also be a standby remote signaling quantity detection module to improve the redundancy of the box-type substation for incoming line disconnecting link, breaker position and breaker fault detection.
In the above embodiment, the first multi-loop detection module in the incoming line loop measurement system based on the box-type substation is configured to detect voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals, and switch I/O signals of multiple incoming line feeder loops in real time, and feed back the signals to the controller 30, the controller 30 uploads box-type substation electrical parameter information to the background server 90, the information is stored by the data storage module 40, and meanwhile, the remote management module 50 may remotely manage the multiple incoming line feeder loops inside the box-type substation; therefore, the system can monitor fault states of electric leakage, short circuit, overload, over-temperature, poor contact and the like of a plurality of incoming line feeder circuits of the box-type substation in real time, the box-type substation can be maintained in time, electric shock and electric fire of a user are prevented, and safety of the box-type substation is improved. Meanwhile, the second multi-loop detection module is also used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the multiple incoming feeder loops in real time, and when the first multi-loop detection module fails, the second multi-loop detection module can be used for detecting electric parameters in the box-type substation in real time, so that the detection redundancy of the box-type substation is increased, and the reliability of the box-type substation is improved.
In this embodiment, above-mentioned scheme can prevent that the staff from electrocuting and prevent that electric fire from taking place, and when the load broke down trouble such as short circuit or electric leakage in box-type substation, can prevent personnel from electrocuting through many inlet wire feeder return circuits in the remote management module 50 control box-type substation, prevent the emergence of electric fire, also protected electric line simultaneously.
In one embodiment, the communication module 80 is an ethernet module, a WIFI module, or a cellular network module. Further, the cellular network module is a 4G network module or a 5G network module. It can be understood that when the first multi-loop detection module and the second multi-loop detection module detect that no electrical potential safety hazard occurs, the controller 30 uploads the electrical parameter information to the background server 90 through the communication module 80, so that the staff can clearly know the state of each incoming feeder circuit in the box-type substation, and the reliability of the box-type substation is improved.
In this embodiment, advance electrical fault prediction, electrical fault location and remote control can be realized through the communication module 80, and specifically, when the box-type substation normally works, the communication module 80 uploads electrical parameter information in real time and analyzes the information, so as to early warn faults of an electrical line and an external load; the positions of the fault points detected in the box-type substation are uploaded in time through the communication module 80, so that maintenance personnel can conveniently overhaul the fault points in the box-type substation; and a user can remotely control the on and off of the relay output module 70 in the box-type substation, so that the reliability of the box-type substation is improved.
In an embodiment, referring to fig. 2, each of the first multi-loop detection module and the second multi-loop detection module includes a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, a temperature and humidity detection module, an electric power detection module, an electric leakage detection module, and a switching value I/O module, and the voltage detection module, the current detection module, the temperature and humidity detection module, the electric power detection module, the electric leakage detection module, and the switching value I/O module are respectively connected to the digital signal processing chip;
the voltage detection module is used for detecting voltage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the current detection module is used for detecting current signals of a plurality of incoming feeder lines in the box-type substation in real time;
the power metering module is used for calculating power values of a plurality of incoming feeder circuits in the box-type substation and detecting overload signals in real time;
the temperature and humidity detection module is used for detecting temperature and humidity signals inside the box-type substation in real time;
the power detection module is used for detecting four-quadrant electric energy signals inside the box-type substation in real time;
the leakage detection module is used for detecting leakage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the switching value I/O module is used for detecting switching I/O signals of a plurality of incoming feeder lines in the box-type substation in real time;
the digital signal processing chip is configured to receive the detected voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal, and switch I/O signal, perform signal conversion processing, and output the converted voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal, and switch I/O signal to the controller 30.
In this embodiment, the digital signal processing chip is a DSP chip, which is also called a digital signal processor, and is a microprocessor particularly suitable for performing digital signal processing operations; the voltage detection module can detect voltage by adopting a resistance voltage division mode or detect voltage of a load circuit connected to the safety socket by adopting a voltage detection chip; the current detection module can be a current transformer and is sleeved on a line connected to a load so as to detect the load current; the leakage detection module can be a residual current transformer and is connected in a feeder line loop inside the box-type substation so as to detect leakage current of the box-type substation; the temperature detection module may be a temperature sensor disposed on the feeder circuit inside the box-type substation to detect the feeder circuit temperature disposed inside the box-type substation.
Based on the above embodiment, aiming at the current hidden dangers of fire, electric shock and the like and the personal safety caused by the hidden dangers, the standard box-type substation can not effectively eliminate the hidden dangers of fire and the like due to the distance and the fault reaction speed, the box-type substation provided by the application can detect the fault type, position the fault occurrence position and the like when the hidden dangers of fire and the like occur, and can obtain the maintenance and the processing of workers in time, so that the reliability of the box-type substation in the hidden dangers of fire, electric shock and the like is improved.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. Inlet wire return circuit measurement system based on box-type substation, its characterized in that includes:
the first multi-loop detection module and the second multi-loop detection module are used for detecting voltage signals, current signals, overload signals, temperature and humidity signals, four-quadrant electric energy signals, first leakage signals and switch I/O signals of the incoming feeder loops in real time;
the controller is used for receiving the voltage signal, the current signal, the overload signal, the temperature and humidity signal, the four-quadrant electric energy signal, the first leakage signal and the switch I/O signal which are detected by the first multi-loop detection module or the second multi-loop detection module, and controlling the detected electrical parameter information of the box-type substation to be uploaded to the background server;
the data storage module is used for storing the box-type substation electrical parameter information which is controlled and uploaded by the controller;
and the remote management module is used for remotely managing a plurality of incoming line feeder circuits in the box-type substation.
2. The box substation based inlet line loop measurement system of claim 1, further comprising:
and the remote signaling quantity detection module is used for detecting the incoming line disconnecting link, the position of the breaker and the fault of the breaker of the box-type substation.
3. The box substation based inlet line loop measurement system of claim 2, further comprising:
and the relay output module is used for remotely controlling the on/off of the relay in the box-type substation under the control of the background server.
4. The box substation based inlet line loop measurement system of claim 1, further comprising:
and the communication module is used for uploading a voltage signal, a current signal, an overload signal, a temperature and humidity signal, a four-quadrant electric energy signal, a first leakage signal and a switch I/O signal to the background server under the control of the controller.
5. The box substation based inlet line loop measurement system of claim 4, wherein the communication module is an Ethernet module, a WIFI module or a cellular network module.
6. The box substation based inlet wire loop measurement system of claim 5, wherein the cellular network module is a 4G network module or a 5G network module.
7. The box-type substation-based incoming line loop measurement system according to claim 1, wherein each of the first multi-loop detection module and the second multi-loop detection module comprises a digital signal processing chip, a voltage detection module, a current detection module, a power metering module, a temperature and humidity detection module, an electric power detection module, an electric leakage detection module and a switching value I/O module, and the voltage detection module, the current detection module, the temperature and humidity detection module, the electric power detection module, the electric leakage detection module and the switching value I/O module are respectively connected with the digital signal processing chip;
the voltage detection module is used for detecting voltage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the current detection module is used for detecting current signals of a plurality of incoming feeder lines in the box-type substation in real time;
the power metering module is used for calculating power values of a plurality of incoming feeder circuits in the box-type substation and detecting overload signals in real time;
the temperature and humidity detection module is used for detecting temperature and humidity signals inside the box-type substation in real time;
the power detection module is used for detecting four-quadrant electric energy signals inside the box-type substation in real time;
the leakage detection module is used for detecting leakage signals of a plurality of incoming feeder circuits in the box-type substation in real time;
the switching value I/O module is used for detecting switching I/O signals of a plurality of incoming feeder lines in the box-type substation in real time;
the digital signal processing chip is used for receiving the detected voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal and switch I/O signal, performing signal conversion processing, and outputting the converted voltage signal, current signal, overload signal, temperature and humidity signal, four-quadrant electric energy signal, first leakage signal and switch I/O signal to the controller.
8. The box substation based inlet line loop measurement system of claim 1, further comprising:
and the electric leakage timing self-detection module is used for carrying out electric leakage self-detection in a preset time period and feeding back a detected second electric leakage signal to the controller.
9. The box substation based inlet wire loop measurement system of claim 8, wherein the predetermined time period of the leakage timing self-check module is 1-15 days.
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| CN202111013588.0A CN113708497A (en) | 2021-08-31 | 2021-08-31 | Incoming line loop measurement system based on box-type substation |
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| CN202111013588.0A CN113708497A (en) | 2021-08-31 | 2021-08-31 | Incoming line loop measurement system based on box-type substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114485796A (en) * | 2022-01-26 | 2022-05-13 | 中煤科工集团重庆智慧城市科技研究院有限公司 | Online state monitoring self-diagnosis system of box-type substation |
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| CN201985457U (en) * | 2011-02-26 | 2011-09-21 | 莱芜科泰电力科技有限公司 | Intelligent box type substation |
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