CN111638046A - GIS equipment online monitoring system and method - Google Patents

GIS equipment online monitoring system and method Download PDF

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Publication number
CN111638046A
CN111638046A CN202010447663.3A CN202010447663A CN111638046A CN 111638046 A CN111638046 A CN 111638046A CN 202010447663 A CN202010447663 A CN 202010447663A CN 111638046 A CN111638046 A CN 111638046A
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CN
China
Prior art keywords
collector
monitoring
gis equipment
gis
partial discharge
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Pending
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CN202010447663.3A
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Chinese (zh)
Inventor
梁博渊
魏刚
刘振
张达
刘宏亮
刘晓冬
齐锦涛
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
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Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd, State Grid Hebei Energy Technology Service Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010447663.3A priority Critical patent/CN111638046A/en
Publication of CN111638046A publication Critical patent/CN111638046A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/025Measuring arrangements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1281Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of liquids or gases

Abstract

The invention discloses a GIS equipment on-line monitoring system and a method, relating to the technical field of electrical equipment state monitoring and fault diagnosis; the system comprises a sensor for acquiring partial discharge of the GIS equipment, a monitoring host for monitoring the GIS equipment, a communication device, a collector and a module for collecting and monitoring data, wherein the sensor is connected with and communicates with the collector, and the collector is connected with and communicates with the monitoring host through the communication device and the internet; the method comprises the steps of S1 IP address allocation and S2 monitoring data acquisition, S2 monitoring data acquisition, a sensor acquires GIS equipment partial discharge and generates GIS equipment partial discharge state information and sends the GIS equipment partial discharge state information to a monitoring host through an acquisition device; the GIS equipment fault can be timely known through the sensor, the monitoring host, the communication device, the collector, the module for collecting monitoring data and the like.

Description

GIS equipment online monitoring system and method
Technical Field
The invention relates to the technical field of state monitoring and fault diagnosis of electrical equipment, in particular to a GIS equipment on-line monitoring system and a GIS equipment on-line monitoring method.
Background
The gas insulated metal enclosed switchgear GIS has the advantages of strong anti-interference capability, compact structure, reliable operation, small occupied area, long overhaul period and the like, and is widely applied to various voltage classes between 66kV and 1100kV at present. Compared with conventional electrical equipment, the electric appliance has the advantages that the electric appliance is not greatly influenced by the change of the external environment, the fireproof performance is outstanding, the safety performance is higher, and the maintenance work is nearly half less than that of other common electrical appliances. The occurrence of the GIS equipment has a great influence on the structure of the high-voltage substation, so that the operation mode of the high-voltage substation is correspondingly changed. At present, after GIS equipment appears, high-voltage transformer substations are developing towards the directions of integration, miniaturization and the like, and the installation of the transformer substations is more convenient than the traditional transformer substations. Therefore, the GIS equipment has a great number of applications in large-scale substations, and if the GIS equipment fails, the GIS equipment can affect the power supply of the jurisdiction area or even all the districts. If defects existing in the GIS equipment can be found in time before the faults happen and necessary defect elimination is carried out, major accidents can be avoided. Partial discharge of equipment is the first manifestation before an insulation failure occurs, and is also the main means for insulation defect detection.
Because GIS equipment is totally closed, the GIS equipment is difficult to find when a fault occurs, various faults can occur in the early-mounted GIS equipment in the aging process, a plurality of tiny faults can occur in the newly-mounted GIS equipment, and the GIS equipment in a transformer substation is large in scale and quantity.
At present, the GIS equipment is not managed perfectly and systematically, the GIS equipment cannot be known to have faults in time, and the work efficiency of managing the GIS equipment is low.
Problems with the prior art and considerations:
how to solve the technical problem of timely knowing about GIS equipment faults.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a GIS equipment on-line monitoring system and a method, which can realize timely acquisition of GIS equipment faults through a sensor, a monitoring host, a communication device, a collector, a monitoring data acquisition module and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a GIS equipment on-line monitoring system comprises a sensor for acquiring partial discharge of GIS equipment, a monitoring host for monitoring the GIS equipment, a communication device, a collector and a monitoring data acquisition module, wherein the sensor is connected with and communicates with the collector, and the collector is connected with and communicates with the monitoring host through the communication device and the internet; the monitoring data acquisition module is used for acquiring the partial discharge of the GIS equipment and generating the partial discharge state information of the GIS equipment by the sensor, the sensor sends the partial discharge state information of the GIS equipment to the collector, the collector receives the partial discharge state information of the GIS equipment sent by the sensor and forwards the partial discharge state information to the monitoring host, and the monitoring host receives the partial discharge state information of the GIS equipment sent by the collector.
The further technical scheme is as follows: the monitoring system also comprises an IP address distribution module, the sensor is in wired connection and one-way communication with the collector, the communication device is a wireless communication device, and the collector is in wireless connection and one-way communication with the monitoring host; and the IP address distribution module is used for monitoring that the host distributes an IP address to each sensor and corresponding the IP address to the position of the GIS equipment installation sensor.
The further technical scheme is as follows: the system comprises a monitoring host, a server and a terminal, wherein the monitoring host is connected with the server through a communication device and the Internet; the monitoring data acquisition module is also used for sending the local discharge state information of the GIS equipment to the server by the monitoring host; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
The further technical scheme is as follows: the terminal comprises a mobile terminal and a fixed terminal.
The further technical scheme is as follows: the solar charging and discharging device is in wired connection with the collector and supplies power; and the power management module is used for supplying power to the collector in a constant current manner by the solar charging and discharging device when the electric quantity of the collector is lower than 70%, and supplying power to the collector in a trickle manner by the solar charging and discharging device when the electric quantity of the collector is full.
An online monitoring method of GIS equipment comprises the steps of S1 distributing IP addresses and S2 collecting monitoring data, S1 distributing IP addresses, a monitoring host distributing IP addresses to each sensor, and enabling the IP addresses to correspond to the positions of sensors installed on the GIS equipment; s2, collecting monitoring data, acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information, sending the GIS equipment partial discharge state information to a collector by the sensor, receiving the GIS equipment partial discharge state information sent by the sensor by the collector and forwarding the GIS equipment partial discharge state information to a monitoring host, and receiving the GIS equipment partial discharge state information sent by the collector by the monitoring host.
The further technical scheme is as follows: in the step of collecting monitoring data in S2, the monitoring host sends the state information of the partial discharge of the GIS device to the server.
The further technical scheme is as follows: in the step of collecting monitoring data in S2, the server diagnoses the insulation condition of the GIS device according to the monitoring threshold and trends the insulation condition of the GIS device.
The further technical scheme is as follows: in the step of collecting monitoring data in S2, the server generates alarm information according to the alarm threshold and sends the alarm information to the terminal.
The further technical scheme is as follows: and S3, managing power supply, wherein when the electric quantity of the collector is lower than 70%, the solar energy charging and discharging device supplies power to the collector in constant current, and when the electric quantity of the collector is full, the solar energy charging and discharging device supplies power to the collector in trickle current.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
a GIS equipment on-line monitoring system comprises a sensor for acquiring partial discharge of GIS equipment, a monitoring host for monitoring the GIS equipment, a communication device, a collector and a monitoring data acquisition module, wherein the sensor is connected with and communicates with the collector, and the collector is connected with and communicates with the monitoring host through the communication device and the internet; the monitoring data acquisition module is used for acquiring the partial discharge of the GIS equipment and generating the partial discharge state information of the GIS equipment by the sensor, the sensor sends the partial discharge state information of the GIS equipment to the collector, the collector receives the partial discharge state information of the GIS equipment sent by the sensor and forwards the partial discharge state information to the monitoring host, and the monitoring host receives the partial discharge state information of the GIS equipment sent by the collector. The GIS equipment fault can be timely known through the sensor, the monitoring host, the communication device, the collector, the module for collecting monitoring data and the like.
An online monitoring method of GIS equipment comprises the steps of S1 distributing IP addresses and S2 collecting monitoring data, S1 distributing IP addresses, a monitoring host distributing IP addresses to each sensor, and enabling the IP addresses to correspond to the positions of sensors installed on the GIS equipment; s2, collecting monitoring data, acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information, sending the GIS equipment partial discharge state information to a collector by the sensor, receiving the GIS equipment partial discharge state information sent by the sensor by the collector and forwarding the GIS equipment partial discharge state information to a monitoring host, and receiving the GIS equipment partial discharge state information sent by the collector by the monitoring host. IP addresses are distributed through S1, monitoring data are collected through S2, and the like, so that GIS equipment faults are known in time.
See detailed description of the preferred embodiments.
Drawings
FIG. 1 is a schematic block diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic block diagram of embodiment 2 of the present invention;
FIG. 3 is a schematic block diagram of embodiment 3 of the present invention;
fig. 4 is a flowchart of embodiment 4 of the present invention.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
Example 1:
as shown in FIG. 1, the present invention discloses an online monitoring system for GIS equipment, which comprises a sensor for obtaining the partial discharge of the GIS equipment, a collector, a monitoring host for monitoring the GIS equipment, a server, a mobile terminal and a fixed terminal for users, a wireless communication device, a solar charging and discharging device, and three program modules for allocating IP addresses, collecting monitoring data and managing power supply, the sensor is in wired connection and unidirectional communication with the collector, the collector is in wireless connection and unidirectional communication with the monitoring host through a wireless communication device and the Internet, the monitoring host is connected with the server through the internet and is in one-way communication with the server, the server is connected with the mobile terminal through the internet and is in one-way communication with the mobile terminal, the server is connected with the fixed terminal through the internet and is in one-way communication with the fixed terminal, and the solar charging and discharging device is in wired connection with the collector and supplies power to the collector.
And the IP address distribution module is used for monitoring that the host distributes an IP address to each sensor and corresponding the IP address to the position of the GIS equipment installation sensor.
The GIS equipment partial discharge monitoring system comprises a GIS equipment partial discharge monitoring module, a collector and a monitoring host, wherein the GIS equipment partial discharge monitoring module is used for acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information; the monitoring host sends the state information of the partial discharge of the GIS equipment to a server; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
And the power management module is used for supplying power to the collector in a constant current manner by the solar charging and discharging device when the electric quantity of the collector is lower than 70%, and supplying power to the collector in a trickle manner by the solar charging and discharging device when the electric quantity of the collector is full.
The server and the internet form a cloud platform, the monitoring host is a computer with superior performance and used for management, the mobile terminal is a smart phone of a user side, the fixed terminal is a desktop computer, and the sensor, the collector, the monitoring host, the server, the mobile terminal, the fixed terminal, the wireless communication device, the solar charging and discharging device and the corresponding communication connection technology are not repeated in the prior art.
Example 2:
embodiment 2 is different from embodiment 1 in that the mobile terminal is a tablet computer at a user side.
As shown in FIG. 2, the present invention discloses an online monitoring system for GIS equipment, which comprises a sensor for obtaining the partial discharge of the GIS equipment, a collector, a monitoring host for monitoring the GIS equipment, a server, a mobile terminal and a fixed terminal for users, a wireless communication device, a solar charging and discharging device, and three program modules for allocating IP addresses, collecting monitoring data and managing power supply, the sensor is in wired connection and unidirectional communication with the collector, the collector is in wireless connection and unidirectional communication with the monitoring host through a wireless communication device and the Internet, the monitoring host is connected with the server through the internet and is in one-way communication with the server, the server is connected with the mobile terminal through the internet and is in one-way communication with the mobile terminal, the server is connected with the fixed terminal through the internet and is in one-way communication with the fixed terminal, and the solar charging and discharging device is in wired connection with the collector and supplies power to the collector.
And the IP address distribution module is used for monitoring that the host distributes an IP address to each sensor and corresponding the IP address to the position of the GIS equipment installation sensor.
The GIS equipment partial discharge monitoring system comprises a GIS equipment partial discharge monitoring module, a collector and a monitoring host, wherein the GIS equipment partial discharge monitoring module is used for acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information; the monitoring host sends the state information of the partial discharge of the GIS equipment to a server; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
And the power management module is used for supplying power to the collector in a constant current manner by the solar charging and discharging device when the electric quantity of the collector is lower than 70%, and supplying power to the collector in a trickle manner by the solar charging and discharging device when the electric quantity of the collector is full.
The server and the internet form a cloud platform, the monitoring host is a computer with superior performance and used for management, the mobile terminal is a tablet computer at a user end, the fixed terminal is a desktop computer, and the sensor, the collector, the monitoring host, the server, the mobile terminal, the fixed terminal, the wireless communication device, the solar charging and discharging device and the corresponding communication connection technology are not repeated in the prior art.
Example 3:
embodiment 3 is different from embodiment 1 in that the mobile terminal is a laptop computer at a user end.
As shown in FIG. 3, the present invention discloses an online monitoring system for GIS device, which comprises a sensor for obtaining the partial discharge of the GIS device, a collector, a monitoring host for monitoring the GIS device, a server, a mobile terminal and a fixed terminal for users, a wireless communication device, a solar charging and discharging device, and three program modules for allocating IP addresses, collecting monitoring data and managing power supply, the sensor is in wired connection and unidirectional communication with the collector, the collector is in wireless connection and unidirectional communication with the monitoring host through a wireless communication device and the Internet, the monitoring host is connected with the server through the internet and is in one-way communication with the server, the server is connected with the mobile terminal through the internet and is in one-way communication with the mobile terminal, the server is connected with the fixed terminal through the internet and is in one-way communication with the fixed terminal, and the solar charging and discharging device is in wired connection with the collector and supplies power to the collector.
And the IP address distribution module is used for monitoring that the host distributes an IP address to each sensor and corresponding the IP address to the position of the GIS equipment installation sensor.
The GIS equipment partial discharge monitoring system comprises a GIS equipment partial discharge monitoring module, a collector and a monitoring host, wherein the GIS equipment partial discharge monitoring module is used for acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information; the monitoring host sends the state information of the partial discharge of the GIS equipment to a server; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
And the power management module is used for supplying power to the collector in a constant current manner by the solar charging and discharging device when the electric quantity of the collector is lower than 70%, and supplying power to the collector in a trickle manner by the solar charging and discharging device when the electric quantity of the collector is full.
The server and the internet form a cloud platform, the monitoring host is a computer with superior performance and used for management, the mobile terminal is a notebook computer at a user end, the fixed terminal is a desktop computer, and the sensor, the collector, the monitoring host, the server, the mobile terminal, the fixed terminal, the wireless communication device, the solar charging and discharging device and the corresponding communication connection technology are not repeated in the prior art.
Example 4:
as shown in fig. 4, the present invention discloses an online monitoring method for GIS equipment, which includes three steps of S1 IP address allocation, S2 monitoring data acquisition and S3 power management, and specifically includes the following steps:
s1 allocating IP address
And the monitoring host allocates an IP address to each sensor, and the IP address corresponds to the position of the GIS equipment installation sensor.
S2 collecting monitoring data
The method comprises the steps that a sensor acquires partial discharge of the GIS equipment and generates partial discharge state information of the GIS equipment, the sensor sends the partial discharge state information of the GIS equipment to a collector, the collector receives the partial discharge state information of the GIS equipment sent by the sensor and forwards the partial discharge state information to a monitoring host, and the monitoring host receives the partial discharge state information of the GIS equipment sent by the collector; the monitoring host sends the state information of the partial discharge of the GIS equipment to a server; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
S3 Power management
When the electric quantity of the collector is lower than 70%, the solar charging and discharging device supplies power to the collector in a constant-current mode, and when the electric quantity of the collector is full, the solar charging and discharging device supplies power to the collector in a trickle mode.
The purpose of the application is:
because GIS equipment is totally closed, the GIS equipment is difficult to discover when a fault occurs, various faults can occur in the early-mounted GIS equipment in the aging process, a plurality of tiny faults can occur in the newly-mounted GIS equipment, and a complete and systematic partial discharge online monitoring system is not available for the large-scale GIS equipment in a transformer substation. Therefore, in this situation, it is necessary to devise and invent an intelligent online monitoring system for GIS devices.
The purpose of the present application is to provide an intelligent online monitoring system and method for GIS equipment to overcome the above-mentioned defects in the prior art.
The characteristics of this application:
the invention relates to an intelligent online monitoring system and method for GIS equipment, which are used for online monitoring of the GIS equipment in a transformer substation. The sensor is for being used for acquireing GIS equipment partial discharge's sensor, places in the GIS equipment, the collector passes through wired connection with the sensor, solar charging and discharging device links to each other with the collector, carries out automatic charging to the collector through solar cell, the monitoring host computer passes through wireless network and collector interactive communication, the monitoring host computer passes through the internet and uploads data to the cloud platform, and the user passes through computer end and cell-phone end app alright anytime and anywhere visit cloud platform. Compared with the prior art, the invention has the advantages of improving the reliability of safe operation of equipment, adopting new energy solar energy for power supply, reducing the difficulty of field wiring, improving the real-time performance and effectiveness of on-line monitoring and the like.
The application has the advantages that:
1. the monitoring system is used for monitoring GIS equipment in the transformer substation and comprises a monitoring host, a sensor, a collector, a solar charging and discharging device, a cloud platform, a user side mobile phone and a computer app. The device comprises a sensor, a collector and a sensor, wherein the sensor is used for acquiring partial discharge of GIS equipment, the collector and the sensor are connected through a wire, a solar charging and discharging device is connected with the collector and automatically charges the collector through a solar cell, a monitoring host computer is in interactive communication with the collector through a wireless network, the monitoring host computer uploads data to a cloud platform through the Internet, and a user can access the cloud platform anytime and anywhere through a computer end and a mobile phone end app.
2. GIS equipment in the hub transformer substation and the extra-high voltage transformer substation is provided with sensors for acquiring partial discharge of the equipment.
3. The sensor for obtaining the partial discharge of the GIS equipment is an ultrahigh frequency non-contact ultrasonic partial discharge sensor.
4. And the sensor for acquiring the partial discharge of the GIS equipment is connected with the collector.
5. The collector is connected with the monitoring host through a wireless router or a Wi-Fi amplifier.
6. The collector is connected with the solar charging and discharging device and is powered by the solar cell.
7. One end of the solar charging and discharging device is connected with the amorphous silicon solar cell, and the other end of the solar charging and discharging device is connected with the power end of the collector, so that the collector can be powered under the weak light condition.
8. An intelligent online monitoring method for GIS equipment comprises the following steps:
1) the monitoring host allocates IP addresses to the sensors, and the IP addresses correspond to the positions of the GIS equipment mounting sensors, so that the GIS equipment in the transformer substation can be positioned and monitored.
2) The monitoring host uploads monitoring data to the cloud platform through the internet, and comparison diagnosis and trend prediction are performed on the insulation condition of GIS equipment in the transformer substation through big data analysis, full-automatic threshold values and the like.
9. Further comprising: the solar charging and discharging device can determine the charging state according to the electric quantity of the collector lithium battery, when the electric quantity of the collector lithium battery is lower than 70%, the solar charging and discharging device supplies power in a constant current mode, and when the electric quantity of the lithium battery is full, the solar charging and discharging device supplies power in a trickle mode.
10. Further comprising: the user can define the threshold value of the GIS monitoring data according to the self requirement, and the cloud platform pushes alarm information to the computer user side and the mobile phone user side in real time through the Internet according to the threshold value.
11. Further comprising: the user can access the cloud platform through the internet through the mobile phone app or the computer client app so as to read the monitoring data on the cloud platform at any time and any place.
Description of the technical solution:
as shown in fig. 1, an intelligent online monitoring system for GIS equipment is used for monitoring large GIS equipment in a transformer substation, and includes a monitoring host, a sensor, a collector, a solar charging and discharging device, a cloud platform, a user terminal mobile phone and a computer app.
The sensor includes the partial discharge sensor, the partial discharge sensor links to each other with the collector, amorphous silicon solar cell is connected to solar charging and discharging device one end, the collector power end is connected to the other end, can realize supplying power to the collector under the low light condition, the collector passes through wireless router or Wi-Fi amplifier and is connected with the monitoring host computer, the monitoring host computer passes through the internet and uploads monitoring data to the cloud platform, the user visits and receives the monitoring data message of cloud platform in cell-phone app or computer app through the internet.
The partial discharge sensor is a ultrahigh frequency non-contact ultrasonic partial discharge sensor. The partial discharge sensor can comprise a high-sensitivity sensor, a signal conditioning circuit, an embedded system, a power supply conversion module and the like, and the embedded system can realize the functions of measurement control, data acquisition, data processing, Wi-Fi communication, data interaction and the like.
The partial discharge sensor is connected with the collector, and the collector transmits data monitored by the partial discharge sensor to the monitoring host through Wi-Fi.
The solar charging and discharging device comprises a charging and discharging management chip, a voltage stabilizing module and a heat dissipation module, the solar cell panel adopts a solar cell panel made of amorphous silicon, photoelectric conversion can be continuously carried out under the weak light condition so as to meet the continuous power supply requirement of the collector, the solar cell is connected with the solar charging and discharging device, and the output end of the charging and discharging management module is connected with the power end of the collector so as to supply power to the collector.
The monitoring host is in interactive communication with the cloud platform through the Internet, and the mobile phone app and the computer app of the user side access and receive data messages of the cloud platform through the Internet.
The monitoring method utilizing the GIS equipment intelligent online monitoring system comprises the following steps:
1. the monitoring host allocates IP addresses to the sensors, the IP addresses correspond to the positions of the GIS equipment mounting sensors and are stored as position information, positioning monitoring of GIS equipment in the transformer substation is achieved, and once a fault occurs, operation and maintenance personnel can know the specific position of the GIS equipment with the fault at the first time.
2. The collector transmits the collected signals of the partial discharge sensor to the monitoring host, the monitoring host receives, stores and displays related data, and transmits the monitoring data to the cloud platform through the Internet, so that a user can visit the monitoring data on the cloud platform through mobile phones or computer end apps anytime and anywhere, and alarm information in monitoring is received in real time.
3. The solar charging and discharging device is used for supplying power to the collector, the charging state is determined according to the electric quantity of the lithium battery of the collector, when the electric quantity of the lithium battery of the collector is lower than 70%, the solar charging and discharging device supplies power in a constant current mode, and when the electric quantity of the lithium battery is full, the solar charging and discharging device supplies power in a trickle mode.
4. The monitoring host can be provided with background analysis software, so that data can be managed conveniently, data and maps can be checked, and transverse analysis, longitudinal analysis and the like can be performed on the data; and displaying the test result by adopting a plurality of map modes, wherein the map types comprise a PRPD map, a PRPS map, a wave map and a flight map.
5. After the monitoring host uploads the data to the cloud platform, the cloud platform extracts effective data through a data mining technology, judges the real-time running state of the monitored GIS equipment through the comparative analysis of sample data and stored data, and provides a complete diagnosis report for operation and maintenance personnel through comparative diagnosis and trend prediction technologies.
After the application runs secretly for a period of time, the feedback of field technicians has the advantages that:
1. the technical scheme of the application adopts a method of combining an online monitoring technology and big data, not only can accurately and reliably reflect the real-time running state of the monitored GIS equipment, but also can comprehensively and scientifically judge whether the switch equipment can continuously and stably run according to analysis means such as trend analysis and the like, master the running state and characteristic rules of the switch equipment, identify the faults and defects of the switch equipment, predict and timely process the possible abnormal problems, really achieve the purpose of preventing the switch equipment from being dominant and really meet the requirements of the intelligent power grid.
2. The technical scheme of this application is monitored automatic acceptance monitoring of GIS equipment when the operation, has reduced operation maintainer's maintenance work load and maintenance work load to a certain extent, has increased the life cycle of equipment, has improved the utilization ratio and the rate of utilization of equipment, has increased economic benefits, has strengthened the security of equipment operation.
3. The monitoring system in the technical scheme of the application adopts a Wi-Fi wireless communication mode, so that the difficulty of field wiring is avoided.
4. The solar power supply system is adopted for power supply of the collectors in the monitoring system, new energy is used for power supply, difficulty in distributing power lines for the collectors on site is avoided, actual electric quantity of lithium batteries of the collectors is used as a basis, charging requirements under different conditions are met through different charging modes such as constant-current charging and trickle charging, reliability of power supply is met, energy is saved, and faults possibly caused by too much charging of the lithium batteries of the collectors are fully and effectively avoided.
5. According to the technical scheme, the cloud platform is applied in the monitoring system, so that a user can access monitoring data on the cloud platform at any time and any place through a mobile phone or a computer terminal app, alarm information in monitoring is received in real time, and real-time performance and effectiveness of operation and maintenance monitoring are greatly improved.
The development prospect of the application is as follows:
the online diagnosis technology can well find early faults of the GIS equipment, so that research on the technology is strengthened in many countries, the partial discharge monitoring is mainly used for understanding the operation condition of the mechanical equipment more comprehensively and timely, the problems are found mainly by measuring the insulation state of the GIS equipment in the monitoring process, and the monitoring method is non-destructive monitoring and cannot influence the normal operation of the operating equipment. Through partial discharge monitoring, faults can be identified more timely, and then targeted measures are taken to process the faults timely. Through the online diagnosis technology, the conventional 'regular maintenance' and 'post-accident maintenance' modes are changed, so that the utilization rate of equipment is greatly improved. Has good development prospect.

Claims (10)

1. The utility model provides a GIS equipment on-line monitoring system which characterized in that: the GIS equipment monitoring system comprises a sensor for acquiring partial discharge of GIS equipment, a monitoring host for monitoring the GIS equipment, a communication device, a collector and a monitoring data acquisition module, wherein the sensor is connected with and communicates with the collector, and the collector is connected with and communicates with the monitoring host through the communication device and the Internet; the monitoring data acquisition module is used for acquiring the partial discharge of the GIS equipment and generating the partial discharge state information of the GIS equipment by the sensor, the sensor sends the partial discharge state information of the GIS equipment to the collector, the collector receives the partial discharge state information of the GIS equipment sent by the sensor and forwards the partial discharge state information to the monitoring host, and the monitoring host receives the partial discharge state information of the GIS equipment sent by the collector.
2. The GIS device on-line monitoring system of claim 1, characterized in that: the monitoring system also comprises an IP address distribution module, the sensor is in wired connection and one-way communication with the collector, the communication device is a wireless communication device, and the collector is in wireless connection and one-way communication with the monitoring host; and the IP address distribution module is used for monitoring that the host distributes an IP address to each sensor and corresponding the IP address to the position of the GIS equipment installation sensor.
3. The GIS device on-line monitoring system of claim 1, characterized in that: the system comprises a monitoring host, a server and a terminal, wherein the monitoring host is connected with the server through a communication device and the Internet; the monitoring data acquisition module is also used for sending the local discharge state information of the GIS equipment to the server by the monitoring host; the server diagnoses the insulation condition of the GIS equipment according to the monitoring threshold value and predicts the insulation condition of the GIS equipment according to the trend; and the server generates alarm information according to the alarm threshold value and sends the alarm information to the terminal.
4. The GIS device on-line monitoring system of claim 3, characterized in that: the terminal comprises a mobile terminal and a fixed terminal.
5. The GIS device on-line monitoring system of claim 1, characterized in that: the solar charging and discharging device is in wired connection with the collector and supplies power; and the power management module is used for supplying power to the collector in a constant current manner by the solar charging and discharging device when the electric quantity of the collector is lower than 70%, and supplying power to the collector in a trickle manner by the solar charging and discharging device when the electric quantity of the collector is full.
6. A GIS device on-line monitoring method is characterized in that: the method comprises the steps of S1 allocating IP addresses and S2 acquiring monitoring data, S1 allocating IP addresses, allocating the IP addresses to each sensor by a monitoring host, and enabling the IP addresses to correspond to the positions of GIS equipment installation sensors; s2, collecting monitoring data, acquiring GIS equipment partial discharge by a sensor and generating GIS equipment partial discharge state information, sending the GIS equipment partial discharge state information to a collector by the sensor, receiving the GIS equipment partial discharge state information sent by the sensor by the collector and forwarding the GIS equipment partial discharge state information to a monitoring host, and receiving the GIS equipment partial discharge state information sent by the collector by the monitoring host.
7. The GIS device online monitoring method according to claim 6, characterized in that: in the step of collecting monitoring data in S2, the monitoring host sends the state information of the partial discharge of the GIS device to the server.
8. The GIS device online monitoring method according to claim 7, characterized in that: in the step of collecting monitoring data in S2, the server diagnoses the insulation condition of the GIS device according to the monitoring threshold and trends the insulation condition of the GIS device.
9. The GIS device online monitoring method according to claim 8, characterized in that: in the step of collecting monitoring data in S2, the server generates alarm information according to the alarm threshold and sends the alarm information to the terminal.
10. The GIS device online monitoring method according to claim 6, characterized in that: and S3, managing power supply, wherein when the electric quantity of the collector is lower than 70%, the solar energy charging and discharging device supplies power to the collector in constant current, and when the electric quantity of the collector is full, the solar energy charging and discharging device supplies power to the collector in trickle current.
CN202010447663.3A 2020-05-25 2020-05-25 GIS equipment online monitoring system and method Pending CN111638046A (en)

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CN113551859A (en) * 2021-06-09 2021-10-26 天津电力工程监理有限公司 GIS earthquake simulation shaking table test method
CN115453286A (en) * 2022-09-01 2022-12-09 珠海市伊特高科技有限公司 GIS partial discharge diagnosis method, model training method, device and system

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CN113551859A (en) * 2021-06-09 2021-10-26 天津电力工程监理有限公司 GIS earthquake simulation shaking table test method
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Application publication date: 20200908