CN113452144A - Intelligent substation remote monitering system - Google Patents

Intelligent substation remote monitering system Download PDF

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Publication number
CN113452144A
CN113452144A CN202110929113.XA CN202110929113A CN113452144A CN 113452144 A CN113452144 A CN 113452144A CN 202110929113 A CN202110929113 A CN 202110929113A CN 113452144 A CN113452144 A CN 113452144A
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China
Prior art keywords
intelligent
transformer
voltage
chamber
monitoring system
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Pending
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CN202110929113.XA
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Chinese (zh)
Inventor
罗少军
蔡冰华
舒惠中
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Hubei Electric Power Equipment Co ltd
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Hubei Electric Power Equipment Co ltd
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Priority to CN202110929113.XA priority Critical patent/CN113452144A/en
Publication of CN113452144A publication Critical patent/CN113452144A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Alarm Systems (AREA)

Abstract

The invention relates to the technical field of transformer substations, in particular to an intelligent transformer substation remote monitoring system. The intelligent substation remote monitoring system comprises an information acquisition unit arranged in the intelligent substation, and the information acquisition unit is in signal connection with a control network point terminal through a 5G network. The intelligent substation remote monitoring system provided by the invention has a real-time monitoring function, and can perform early warning on an intelligent box by using the early warning unit, so that the problem of low response speed of manual warning is solved, and the intelligent box transformer is a complete intelligent power supply and distribution complete device which is optimally combined by a high-voltage cabinet, a power transformer, a low-voltage cabinet, a metering unit, an intelligent system and the like, and has the advantages of miniaturization, no maintenance, high performance, energy conservation, convenience in installation, small occupied area and long service life.

Description

Intelligent substation remote monitering system
Technical Field
The invention relates to the technical field of transformer substations, in particular to an intelligent transformer substation remote monitoring system.
Background
With the development of market economy, the country requires high voltage to directly enter a load center in the construction and transformation of urban and rural power grids to form a power supply pattern of high-voltage power receiving-transformer voltage reduction-low-voltage power distribution, so that power supply and distribution need to be developed in the direction of land saving, power saving, compactness, miniaturization and unattended operation, and a box-type transformer substation (box transformer for short) is an optimal product with the characteristics, so that the box-type transformer substation is widely applied to the urban and rural power grids.
Meanwhile, as informatization, networking and intelligent residential districts develop, the box-to-box substation is required to be safe and reliable, and intelligent functions of remote measurement, remote communication, remote regulation and remote control are required. When the intelligent box-type substation (intelligent box-type substation for short) looped network supplies power, the requirement on the safety performance of the intelligent substation is improved concomitantly.
Therefore, there is a need to provide a new intelligent substation remote monitoring system to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problem, the invention provides an intelligent substation remote monitoring system.
The invention provides an intelligent substation remote monitoring system, which comprises:
the intelligent transformer substation comprises an information acquisition unit arranged in the intelligent transformer substation, and the information acquisition unit is in signal connection with a control network point terminal through a 5G network.
Preferably, the information acquisition unit comprises an audio acquisition unit, an audio processing unit, an operation control unit and an early warning unit.
Preferably, the audio acquiring unit includes:
the camera and the sound collector with the same specifications are arranged in the intelligent box respectively and are used for accommodating a transformer chamber of a transformer, a high-voltage chamber of a high-voltage cabinet, a low-voltage chamber of a low-voltage cabinet and an electric appliance chamber of an electric appliance cabinet.
Preferably, the audio processing unit employs:
intelligent image compression coding, which is used for compressing and transmitting images, wherein the image format is 704 multiplied by 576, and the image frame rate is 25 frames/second; and
and the polling of a camera and a sound collector in each audio acquisition unit in the intelligent substation is supported.
Preferably, the operation control unit includes:
control room control computer in control network, and
the mobile office phone for the monitoring personnel is connected to a control system for controlling an indoor control computer in a control network point through an intranet and is connected with an audio acquisition unit and an audio processing unit.
Preferably, the early warning unit includes:
the infrared detectors are arranged in the containing chambers in the intelligent box, the infrared detectors are arranged above the supports capable of rotating by 360 degrees to monitor the temperature of elements in different angles in the containing chambers, and the infrared detectors are connected with a detection display screen and a sound alarm in a control chamber in the control network;
and the smoke sensors are arranged in the containing chambers in the intelligent box, when a fire disaster happens to one containing chamber, an alarm signal is sent out immediately, and meanwhile, the audio acquisition unit is linked to switch a monitoring image to a corresponding picture and start a video recording function and call 119 for alarming.
Preferably, the sulfur hexafluoride ring main unit is adopted as a high-voltage incoming line in the intelligent box, a breaker structure is adopted for outgoing lines, ring network power supply is easy to achieve, meanwhile, fault points are easy to determine, the power failure area is reduced, overhaul is convenient, centralized monitoring, itinerant detection, remote operation and communication can be achieved by adopting an electronic technology, the original high-voltage incoming line and an isolation switch are deleted at low voltage, the outgoing line loop is 4, the compensation capacity is reduced to be not more than 4, and the compensation capacity is 15% of the rated capacity.
Preferably, the transformer chamber for accommodating the transformer is an energy-saving environment-friendly, fully-sealed and oil-immersed transformer, the high-voltage side outgoing line is connected with the transformer by adopting a sealed and pluggable cable head, and the rated capacity of the transformer is 400kVA, 500kVA or 630 kVA;
the high-voltage chamber adopts an inflatable SF6 ring main unit, and the SF6 ring main unit is more miniaturized in structure, so that the space between the high-voltage cabinets is reduced;
the low-pressure chamber is divided into an installation independent communication chamber and a DTU common unit chamber.
Preferably, the low-voltage element assembly mode cabinet type screen assembly mode is installed, and a main bus of the low-voltage element assembly mode cabinet type screen assembly mode is as follows:
if the capacity is 400kVA, the main bus adopts the current of 800A and the specification is TMY-80 multiplied by 6 MM;
if the capacity is 500kVA, the main bus adopts the current of 1000A and the specification is TMY-80 multiplied by 8 MM;
if the capacity is 630kVA, the main bus adopts 1250A current with the specification of TMY-80 multiplied by 10 MM; the low-voltage outgoing line comprises:
if the capacity is 400kVA, the outgoing line adopts 2 multiplied by 400+2 multiplied by 250;
if the capacity is 500kVA, the outgoing line adopts 4 multiplied by 400;
if the capacity is 630kVA, the outgoing line is 4 multiplied by 400;
and the low-voltage outgoing line is a molded case circuit breaker, adopts a fixed plate front wiring mode and shields the exposed part of the wiring.
Compared with the related art, the intelligent substation remote monitoring system provided by the invention has the following beneficial effects:
1. the intelligent box has a real-time monitoring function, and meanwhile, the early warning unit can be used for early warning the intelligent box, so that the problem of low response speed of manual warning is solved;
2. the intelligent box transformer is a complete intelligent power supply and distribution complete set device which is optimally combined by a high-voltage cabinet, a power transformer, a low-voltage cabinet, a metering unit, an intelligent system and the like, and has the advantages of miniaturization, maintenance-free property, high performance, energy conservation, convenient installation, small occupied area and long service life.
Drawings
Fig. 1 is a schematic structural diagram of a remote monitoring system of an intelligent substation according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, an intelligent substation remote monitoring system provided in an embodiment of the present invention includes:
the intelligent substation comprises an information acquisition unit arranged in the intelligent substation, wherein the information acquisition unit is in signal connection with a control network point terminal through a 5G network and comprises an audio acquisition unit, an audio processing unit, an operation control unit and an early warning unit.
In an embodiment of the present invention, referring to fig. 1, the audio obtaining unit includes:
the camera and the sound collector with the same specifications are respectively arranged in the intelligent box and are used for accommodating a transformer chamber of a transformer, a high-voltage chamber of a high-voltage cabinet, a low-voltage chamber of a low-voltage cabinet and an electric appliance chamber of an electric appliance cabinet;
and the audio processing unit employs:
intelligent image compression coding, which is used for compressing and transmitting images, wherein the image format is 704 multiplied by 576, and the image frame rate is 25 frames/second; and
the polling of a camera and a sound collector in each audio acquisition unit in the intelligent substation is supported;
the operation control unit includes:
control room control computer in control network, and
the mobile office phone for the monitoring personnel is connected to a control system for controlling an indoor control computer in a control network point through an intranet and is connected with an audio acquisition unit and an audio processing unit;
the early warning unit includes:
the infrared detectors are arranged in the containing chambers in the intelligent box, the infrared detectors are arranged above the supports capable of rotating by 360 degrees to monitor the temperature of elements in different angles in the containing chambers, and the infrared detectors are connected with a detection display screen and a sound alarm in a control chamber in the control network;
and the smoke sensors are arranged in the containing chambers in the intelligent box, when a fire disaster happens to one containing chamber, an alarm signal is sent out immediately, and meanwhile, the audio acquisition unit is linked to switch a monitoring image to a corresponding picture and start a video recording function and call 119 for alarming.
It should be noted that: monitoring each containing room in the intelligent box by using an audio acquisition unit, and transmitting received effective audio to a control indoor control computer in a control network and an office mobile phone for monitoring personnel after being processed by an audio processing unit;
when the infrared detector detects that the accommodating room is provided with external personnel or other dangerous animals, the infrared detector transmits data to a detection display screen in a control room in a control network and an office mobile phone for working monitoring personnel so as to process in time;
when the smoke sensor detects that the accommodating chamber has a fire hazard, an alarm signal is sent out immediately, and meanwhile, the audio acquisition unit is linked to switch a monitoring image to a corresponding picture and start a video recording function and call 119 for alarming;
and each intelligent box is effectively remotely controlled and adjusted by using an indoor control computer in a control network and an office mobile phone for monitoring personnel.
In the present embodiment: possess the real-time supervision function, utilize early warning unit can carry out the early warning to the intelligent case simultaneously, eliminated the slow problem of artificial alarm response speed.
It is worth noting that: the office mobile phone for the personnel needs to collect effective data through an encrypted installation intranet, and other personnel are prevented from entering the office mobile phone in a mess to influence the safety of equipment information.
In the embodiment of the invention, the sulfur hexafluoride ring main unit is adopted as a high-voltage incoming line in the intelligent box, the outgoing line adopts a breaker structure, the ring main unit is easy to realize ring network power supply, the determination of fault points is easy to realize, the power failure area is reduced, the maintenance is convenient, the centralized monitoring, the itinerant detection, the remote operation and the communication can be realized by adopting an electronic technology, the traditional high-voltage incoming line and an isolating switch are deleted at low voltage, the outgoing line loop is 4, the compensation capacity is reduced to be not more than 4, and the compensation capacity is 15% of the rated capacity.
The input cable is connected to a high-voltage cabinet in the high-voltage chamber, the high-voltage cabinet is connected with a transformer in the transformer chamber through a cable, the transformer is connected with a low-voltage cabinet in the low-voltage chamber through a cable, and the low-voltage cabinet is connected with an electric appliance cabinet through a cable; the top of the box body is provided with the three-layer three-dimensional top cover with a high middle part and two low sides, so that the box transformer substation can enable power equipment management and maintenance personnel to master the operation condition of equipment through a mobile phone and a computer at any time and any place, can realize remote automatic alarm and control, and greatly lightens the working intensity of the power equipment maintenance personnel.
The transformer chamber for accommodating the transformer is an energy-saving environment-friendly, fully-sealed and oil-immersed transformer, the high-voltage side outgoing line is connected with the transformer by adopting a sealed and pluggable cable head, and the rated capacity of the transformer is 400kVA, 500kVA or 630 kVA;
the high-voltage chamber adopts an inflatable SF6 ring main unit, and the SF6 ring main unit is more miniaturized in structure, so that the space between the high-voltage cabinets is reduced;
the low-pressure chamber is divided into an installation independent communication chamber and a DTU common unit chamber;
the low-voltage original assembly mode cabinet type screen assembly mode is mounted, and a main bus of the low-voltage original assembly mode cabinet type screen assembly mode is divided into:
if the capacity is 400kVA, the main bus adopts the current of 800A and the specification is TMY-80 multiplied by 6 MM;
if the capacity is 500kVA, the main bus adopts the current of 1000A and the specification is TMY-80 multiplied by 8 MM;
if the capacity is 630kVA, the main bus adopts 1250A current with the specification of TMY-80 multiplied by 10 MM; the low-voltage outgoing line comprises:
if the capacity is 400kVA, the outgoing line adopts 2 multiplied by 400+2 multiplied by 250;
if the capacity is 500kVA, the outgoing line adopts 4 multiplied by 400;
if the capacity is 630kVA, the outgoing line is 4 multiplied by 400;
and the low-voltage outgoing line is a molded case circuit breaker, adopts a fixed plate front wiring mode and shields the exposed part of the wiring.
It is worth noting that: the intelligent box transformer is a complete intelligent power supply and distribution complete device which is optimally combined by a high-voltage cabinet, a power transformer, a low-voltage cabinet, a metering unit, an intelligent system and the like, has the advantages of miniaturization, no maintenance, high performance, energy conservation, convenient installation, small occupied area and long service life, can be used as places such as urban high-rise buildings, residential districts, municipal facilities, factories, mines, roads, wharfs, oil fields and the like, and is an intelligent box of intelligent power transformation and distribution equipment in a module mode, wherein each box transformer can be formed by combining the following various types; the high-voltage switch is connected with a power grid type and is divided into a ring network type, a double-power-supply type or a terminal type; the device is divided into a 'mesh type' or a 'pin type' according to the device arrangement mode; the transformer is divided into an oil-immersed fully-sealed transformer or a dry-type transformer according to an internal transformer, the transformer is divided into a metal shell and a nonmetal shell according to a box body shell, the transformer is divided into a gas-producing load switch or a gas-compressing load switch or a vacuum load switch or an SF6 load switch according to a high-voltage switch, the transformer is divided into an intelligent type or a compact type according to the possibility of configuration of an intelligent system, and the transformer is used for meeting the requirement of universal interchange of different manufacturers in a certain range or a certain period, so that the operation and maintenance convenience of the box-type transformer station is improved, the typical structure scheme of a 10kV box-type transformer station product is developed by detection units such as national power grid limited companies and the like, and other products are conveniently replaced when quality problems occur to a certain enterprise in the operation process of the product.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (9)

1. Intelligent substation remote monitering system, its characterized in that includes:
the intelligent transformer substation comprises an information acquisition unit arranged in the intelligent transformer substation, and the information acquisition unit is in signal connection with a control network point terminal through a 5G network.
2. The intelligent substation remote monitoring system of claim 1, wherein the information acquisition unit comprises an audio acquisition unit, an audio processing unit, an operation control unit and an early warning unit.
3. The intelligent substation remote monitoring system of claim 2, wherein the audio acquisition unit comprises:
the camera and the sound collector with the same specifications are arranged in the intelligent box respectively and are used for accommodating a transformer chamber of a transformer, a high-voltage chamber of a high-voltage cabinet, a low-voltage chamber of a low-voltage cabinet and an electric appliance chamber of an electric appliance cabinet.
4. The intelligent substation remote monitoring system of claim 3, wherein the audio processing unit employs:
intelligent image compression coding, which is used for compressing and transmitting images, wherein the image format is 704 multiplied by 576, and the image frame rate is 25 frames/second; and
and the polling of a camera and a sound collector in each audio acquisition unit in the intelligent substation is supported.
5. The intelligent substation remote monitoring system of claim 3, wherein the operation control unit comprises:
control room control computer in control network, and
the mobile office phone for the monitoring personnel is connected to a control system for controlling an indoor control computer in a control network point through an intranet and is connected with an audio acquisition unit and an audio processing unit.
6. The intelligent substation remote monitoring system of claim 5, wherein the early warning unit comprises:
the infrared detectors are arranged in the containing chambers in the intelligent box, the infrared detectors are arranged above the supports capable of rotating by 360 degrees to monitor the temperature of elements in different angles in the containing chambers, and the infrared detectors are connected with a detection display screen and a sound alarm in a control chamber in the control network;
and the smoke sensors are arranged in the containing chambers in the intelligent box, when a fire disaster happens to one containing chamber, an alarm signal is sent out immediately, and meanwhile, the audio acquisition unit is linked to switch a monitoring image to a corresponding picture and start a video recording function and call 119 for alarming.
7. The intelligent substation remote monitoring system according to claim 3, wherein the intelligent box adopts a sulfur hexafluoride ring main unit as a high-voltage incoming line, the outgoing line adopts a breaker structure, ring network power supply is easy to realize, fault point determination is easy to realize, power failure area is reduced, overhaul is convenient, centralized monitoring, itinerant detection, remote operation and communication can be realized by adopting an electronic technology, the traditional high-voltage incoming line and an isolating switch are deleted at low voltage, the outgoing line loop is 4, and the compensation capacity is reduced to be not more than 4 and is 15% of rated capacity.
8. The intelligent substation remote monitoring system according to claim 7, wherein the transformer room for accommodating the transformer is an energy-saving environment-friendly, fully-sealed and oil-immersed transformer, the high-voltage side outgoing line and the transformer are connected by a sealed and pluggable cable head, and the rated capacity of the transformer is 400kVA, 500kVA or 630 kVA;
the high-voltage chamber adopts an inflatable SF6 ring main unit, and the SF6 ring main unit is more miniaturized in structure, so that the space between the high-voltage cabinets is reduced;
the low-pressure chamber is divided into an installation independent communication chamber and a DTU common unit chamber.
9. The intelligent substation remote monitoring system of claim 8, wherein the low voltage element is assembled in a cabinet type screen assembly mode, and a main bus of the system is:
if the capacity is 400kVA, the main bus adopts the current of 800A and the specification is TMY-80 multiplied by 6 MM;
if the capacity is 500kVA, the main bus adopts the current of 1000A and the specification is TMY-80 multiplied by 8 MM;
if the capacity is 630kVA, the main bus adopts 1250A current with the specification of TMY-80 multiplied by 10 MM; the low-voltage outgoing line comprises:
if the capacity is 400kVA, the outgoing line adopts 2 multiplied by 400+2 multiplied by 250;
if the capacity is 500kVA, the outgoing line adopts 4 multiplied by 400;
if the capacity is 630kVA, the outgoing line is 4 multiplied by 400;
and the low-voltage outgoing line is a molded case circuit breaker, adopts a fixed plate front wiring mode and shields the exposed part of the wiring.
CN202110929113.XA 2021-08-13 2021-08-13 Intelligent substation remote monitering system Pending CN113452144A (en)

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CN113904448A (en) * 2021-10-26 2022-01-07 珠海康晋电气股份有限公司 Intelligent power distribution operation and maintenance service system based on multi-dimensional monitoring

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CN104052151A (en) * 2014-05-14 2014-09-17 国家电网公司 Intelligent auxiliary comprehensive monitoring and D5000 comprehensive linkage platform of transformer substation
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Publication number Priority date Publication date Assignee Title
CN113904448A (en) * 2021-10-26 2022-01-07 珠海康晋电气股份有限公司 Intelligent power distribution operation and maintenance service system based on multi-dimensional monitoring
CN113904448B (en) * 2021-10-26 2023-06-30 珠海康晋电气股份有限公司 Intelligent power distribution operation and maintenance service system based on multidimensional monitoring

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