CN116565858A - Power system guarantee device based on wireless communication network - Google Patents

Power system guarantee device based on wireless communication network Download PDF

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Publication number
CN116565858A
CN116565858A CN202310741484.4A CN202310741484A CN116565858A CN 116565858 A CN116565858 A CN 116565858A CN 202310741484 A CN202310741484 A CN 202310741484A CN 116565858 A CN116565858 A CN 116565858A
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China
Prior art keywords
temperature
humidity
standard display
value
current
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Application number
CN202310741484.4A
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Chinese (zh)
Inventor
刘超
丛犁
窦增
陈明
张凯
郑磊
孙伟
曹源
杨婷婷
张丁文
马凯
徐峰
王佳
樊家树
崔杰
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Information and Telecommunication Branch of State Grid Jilin Electric Power Co Ltd
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Information and Telecommunication Branch of State Grid Jilin Electric Power Co Ltd
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Priority to CN202310741484.4A priority Critical patent/CN116565858A/en
Publication of CN116565858A publication Critical patent/CN116565858A/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/001Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • H02J3/0012Contingency detection
    • 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
    • H02J13/00022Circuit 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a power system guaranteeing device based on a wireless communication network, which is characterized in that corresponding site numerical values are obtained through configured humidity sensors and temperature sensors, humidity standard display values and temperature standard values are obtained and then are incorporated into a model, and environment influence factors are obtained.

Description

Power system guarantee device based on wireless communication network
Technical Field
The invention relates to the technical field of wireless communication networks, in particular to a power system guarantee device based on a wireless communication network.
Background
A substation is an electrical facility in an electrical power system that converts voltage, receives and distributes electrical energy, controls the flow of electrical power, and regulates the voltage, which connects the electrical grids of the various levels of voltage via its transformers. In order to transmit the electric energy generated by the power plant to a far place, the voltage must be increased, changed into high-voltage electricity, and then the voltage is reduced as required to the vicinity of the user, and the work of increasing the voltage is completed by a transformer substation. The substation thus plays a vital role in the power grid. In order to ensure the normal operation of the transformer substation, daily operation and maintenance works are required, and are usually completed by operation and maintenance personnel.
However, with the continuous development of the power grid, the transformer substations are more and more, the operation and maintenance cost is higher and higher, and as the sites are more, operation and maintenance personnel can only preferentially carry out operation and maintenance patrol from sites with shorter current distances in the specific operation process, meanwhile, the transformer substations with larger fault rate and hidden danger are not checked in a targeted manner in the patrol process, and the operation and maintenance efficiency and accuracy are not enough. Corresponding operation and maintenance route optimization modes, such as authorized bulletin numbers, exist in the prior art: CN 112261385B-remote operation and maintenance system and operation and maintenance method of transformer substation, the technology is only used for carrying out route configuration for the whole route far recently, and the fault rate and hidden danger are not used as judgment standards for further optimizing the route, so that the deep development of operation and maintenance work is not facilitated.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The invention is provided in view of the problems of the existing operation and maintenance modes of the transformer substation.
Therefore, the technical problems solved by the invention are as follows: the method solves the problem that the existing transformer substation operation and maintenance mode does not take the fault rate and hidden danger as judgment standards to further optimize the route.
In order to solve the technical problems, the invention provides the following technical scheme: a wireless communication network-based power system assurance device, comprising: the system comprises a data acquisition processing terminal, a fault signal acquisition terminal and a fault signal prediction factor acquisition module, wherein the data acquisition processing terminal is internally provided with an environment signal acquisition terminal and a fault signal acquisition terminal in each transformer substation, the environment signal acquisition terminal is used for acquiring environment signals of a current station and acquiring environment influence factors of the current station based on a generation model embedded in the terminal, and the fault signal acquisition terminal is used for acquiring fault signals of the current station and acquiring fault prediction factors of the current station based on the generation model embedded in the terminal; the data processing terminal is in wireless data connection with the data acquisition terminal, an analysis model is constructed after the environmental impact factors and the fault prediction factors are acquired, and the operation and maintenance impact factors of different sites are acquired based on the analysis model; and the route planning module is in wireless data connection with the data processing terminal and acquires the operation and maintenance route of the transformer substation in the current area based on the operation and maintenance influence factors.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: the environment signal acquisition terminal comprises a group of humidity sensors and a group of temperature sensors; the humidity sensor is circumferentially arranged on the transformer substation, and humidity standard display values of the current site are obtained through humidity values of different points; the temperature sensor comprises a temperature sensor arranged at the center of the transformer substation and a subsequent temperature sensor which is configured one by one according to a voltage transformation temperature rising rule, namely, the temperature sensors are configured one by one at the point where voltage transformation temperature rising occurs in the power transformation process, and the temperature standard display value of the current station is obtained through different point temperature change values.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: obtaining the humidity standard display value of the current site through the following formula:
wherein delta is the humidity standard display value, n is the humidity sensor configuration point number, X 1 For the humidity value of the first point, X n For the humidity value of the nth point, X n-1 For the humidity value of the n-1 th point, ydy is a higher integral function.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: obtaining the temperature standard display value of the current site through the following formula:
wherein eta is the temperature standard display value, alpha is the temperature value of a temperature sensor arranged at the center of the transformer substation, d is the point number of the temperature sensor arranged subsequently, 1/3 is the adjustment constant term of the integral function in the substation, t is the temperature change value generated in a static state when the current point position is in normal operation, and ydy is the higher integral function.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: after the humidity standard display value and the temperature standard display value are obtained, the environmental impact factor is obtained according to the following model:
wherein, beta is the environmental impact factor, delta is the humidity standard display value, n is the humidity sensor configuration point number, ln2.04 is the in-station integral adjustment constant term, eta is the temperature standard display value, alpha is the temperature value of a temperature sensor arranged at the center of a transformer substation, d is the point number of a temperature sensor configured subsequently, and 1/3 is the in-station integral function adjustment constant term.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: the fault signal acquisition terminal acquires a fault signal through the configured subsequent temperature sensor; the fault predictor is obtained by the following formula:
wherein lambda is the fault prediction factor, d is the point position number of the temperature sensor configured subsequently, t is the temperature change value generated in static state when the current point position is normalized, eta is the temperature standard display value, and a Big size A is the maximum derivative value formed by the temperature rise curve of the current point position Small size And 0.116 is a temperature change adjusting function term for the minimum derivative value formed by the temperature rise curve of the current point position, and ydy is a higher integral function.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: the analysis model is constructed specifically as follows:
wherein μ is the operation and maintenance influence factor, λ is the failure prediction factor, η is the temperature standard display value, β is the environmental influence factor, and δ is the humidity standard display value.
As a preferable mode of the wireless communication network-based power system securing apparatus of the present invention, wherein: the system also comprises a navigation display module which is in data connection with the route planning module, acquires the operation and maintenance route of the transformer substation in the current area, and realizes satellite navigation and touch screen display according to the corresponding route.
The invention has the beneficial effects that: the invention provides a power system guarantee device based on a wireless communication network, corresponding site numerical values are obtained through configured humidity sensors and temperature sensors, humidity standard display values and temperature standard values are obtained and then are incorporated into a model, and environment influence factors are obtained.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present invention will become more apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the operation and maintenance process of the existing transformer substation, the route configuration is only carried out for the whole route far recently, and the fault rate and hidden danger are not used as judgment standards for further optimizing the route, so that the operation and maintenance work is not facilitated to be carried out in depth.
Accordingly, the present invention provides a power system security device based on a wireless communication network, comprising:
the data acquisition processing terminal is internally provided with an environment signal acquisition terminal and a fault signal acquisition terminal, the environment signal acquisition terminal is used for acquiring environment signals of a current station, acquiring environment influence factors of the current station based on a generation model embedded in the terminal, and the fault signal acquisition terminal is used for acquiring fault signals of the current station and acquiring fault prediction factors of the current station based on the generation model embedded in the terminal;
the data processing terminal is in wireless data connection with the data acquisition terminal, an analysis model is constructed after the environmental impact factors and the fault prediction factors are acquired, and the operation and maintenance impact factors of different sites are acquired based on the analysis model;
and the route planning module is in wireless data connection with the data processing terminal and acquires the operation and maintenance route of the transformer substation in the current area based on the operation and maintenance influence factors.
Specifically, the environmental signal acquisition terminal comprises a group of humidity sensors and a group of temperature sensors;
the humidity sensor set is circumferentially arranged on the transformer substation, and humidity standard display values of the current site are obtained through humidity values of different points;
the temperature sensor comprises a temperature sensor arranged at the center of the transformer substation and subsequent temperature sensors which are configured one by one according to a voltage transformation temperature rising rule, namely, the temperature sensors are configured one by one at the point positions where voltage transformation temperature rising occurs in the power transformation process, and the temperature standard display value of the current station is obtained through different point position temperature change values.
It should be noted that, the sensor adopted in the present invention obtains corresponding values in the conventional application of the prior art, and redundant description is not made for the device itself.
Further, the humidity standard display value of the current site is obtained through the following formula:
wherein delta is a humidity standard display value, n is a humidity sensor configuration point bit number, X 1 For the humidity value of the first point, X n For the humidity value of the nth point, X n-1 For the humidity value of the n-1 th point, ydy is a higher integral function.
Further, the temperature standard display value of the current site is obtained through the following formula:
wherein eta is a temperature standard display value, alpha is a temperature value of a temperature sensor arranged at the center of the transformer substation, d is the number of point bits of the temperature sensor arranged subsequently, 1/3 is an integral function adjustment constant term in the substation, t is a temperature change value generated in a static state when the current point position is in normal operation, and ydy is a higher integral function.
Specifically, after the humidity standard display value and the temperature standard display value are obtained, the environmental impact factor is obtained according to the following model:
wherein, beta is an environmental impact factor, delta is a humidity standard display value, n is a humidity sensor configuration point bit number, ln2.04 is an in-station integral adjustment constant term, eta is a temperature standard display value, alpha is a temperature value of a temperature sensor arranged at the center of a transformer substation, d is a point bit number of a temperature sensor configured subsequently, and 1/3 is an in-station integral function adjustment constant term.
Further, the fault signal acquisition terminal acquires a fault signal through the configured subsequent temperature sensor;
obtaining a fault prediction factor by the following formula:
wherein lambda is a fault prediction factor, d is the point position number of a temperature sensor configured subsequently, t is a temperature change value generated in a static state when the current point position is normalized, eta is a temperature standard display value, and a Big size A is the maximum derivative value formed by the temperature rise curve of the current point position Small size And 0.116 is a temperature change adjusting function term for the minimum derivative value formed by the temperature rise curve of the current point position, and ydy is a higher integral function.
It should be noted that, the process of obtaining the fault prediction factor is implemented according to the temperature sensor configured subsequently, and the fault rate is reflected by the degree of change of the temperature, wherein the higher the fault rate, a Big size And a Small size The greater the length difference between them, the deeper the degree of influence of the fault predictors is obtained.
Further, the constructed analysis model is specifically:
wherein μ is an operation and maintenance influence factor, λ is a fault prediction factor, η is a temperature standard display value, β is an environmental influence factor, and δ is a humidity standard display value.
Additionally, the system also comprises a navigation display module which is in data connection with the route planning module, acquires the operation and maintenance route of the transformer substation in the current area, and realizes satellite navigation and touch screen display according to the corresponding route.
Additionally, in the operation and maintenance process, a noise reduction module is arranged in the transformer in each transformer substation, so that the environmental noise is reduced.
As shown in the table below, in the simulation model, compared with the present invention and the prior art, corresponding operation and maintenance data are obtained:
table 1: operation and maintenance data table
Therefore, the invention shows an excellent level in improving the hidden trouble clearing capability.
The invention provides a power system guarantee device based on a wireless communication network, corresponding site numerical values are obtained through configured humidity sensors and temperature sensors, humidity standard display values and temperature standard values are obtained and then are incorporated into a model, and environment influence factors are obtained.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (8)

1. Electric power system guarantee device based on wireless communication network, characterized by comprising:
the system comprises a data acquisition processing terminal, a fault signal acquisition terminal and a fault signal prediction factor acquisition module, wherein the data acquisition processing terminal is internally provided with an environment signal acquisition terminal and a fault signal acquisition terminal in each transformer substation, the environment signal acquisition terminal is used for acquiring environment signals of a current station and acquiring environment influence factors of the current station based on a generation model embedded in the terminal, and the fault signal acquisition terminal is used for acquiring fault signals of the current station and acquiring fault prediction factors of the current station based on the generation model embedded in the terminal;
the data processing terminal is in wireless data connection with the data acquisition terminal, an analysis model is constructed after the environmental impact factors and the fault prediction factors are acquired, and the operation and maintenance impact factors of different sites are acquired based on the analysis model;
and the route planning module is in wireless data connection with the data processing terminal and acquires the operation and maintenance route of the transformer substation in the current area based on the operation and maintenance influence factors.
2. The wireless communication network-based power system securing apparatus according to claim 1, characterized in that: the environment signal acquisition terminal comprises a group of humidity sensors and a group of temperature sensors;
the humidity sensor is circumferentially arranged on the transformer substation, and humidity standard display values of the current site are obtained through humidity values of different points;
the temperature sensor comprises a temperature sensor arranged at the center of the transformer substation and a subsequent temperature sensor which is configured one by one according to a voltage transformation temperature rising rule, namely, the temperature sensors are configured one by one at the point where voltage transformation temperature rising occurs in the power transformation process, and the temperature standard display value of the current station is obtained through different point temperature change values.
3. The wireless communication network-based power system securing apparatus according to claim 2, wherein the humidity standard display value of the current site is obtained by the following formula:
wherein delta is the humidity standard display value, n is the humidity sensor configuration point number, X 1 For the humidity value of the first point, X n For the humidity value of the nth point, X n-1 For the humidity value of the n-1 th point, ydy is a higher integral function.
4. A power system securing apparatus based on a wireless communication network as claimed in claim 3, characterized in that the temperature standard display value of the current site is obtained by the following formula:
wherein eta is the temperature standard display value, alpha is the temperature value of a temperature sensor arranged at the center of the transformer substation, d is the point number of the temperature sensor arranged subsequently, 1/3 is the adjustment constant term of the integral function in the substation, t is the temperature change value generated in a static state when the current point position is in normal operation, and ydy is the higher integral function.
5. The power system security device based on a wireless communication network according to claim 4, wherein the obtaining of the environmental impact factor is achieved according to the following model after obtaining the humidity standard display value and the temperature standard display value:
wherein, beta is the environmental impact factor, delta is the humidity standard display value, n is the humidity sensor configuration point number, ln2.04 is the in-station integral adjustment constant term, eta is the temperature standard display value, alpha is the temperature value of a temperature sensor arranged at the center of a transformer substation, d is the point number of a temperature sensor configured subsequently, and 1/3 is the in-station integral function adjustment constant term.
6. The wireless communication network-based power system assurance device of claim 5, wherein the fault signal acquisition terminal performs acquisition of a fault signal through a configured subsequent temperature sensor;
the fault predictor is obtained by the following formula:
wherein lambda is the fault prediction factor, d is the point position number of the temperature sensor configured subsequently, and t is the current point position normalized operationA temperature change value generated statically, eta is the temperature standard display value, a Big size A is the maximum derivative value formed by the temperature rise curve of the current point position Small size And 0.116 is a temperature change adjusting function term for the minimum derivative value formed by the temperature rise curve of the current point position, and ydy is a higher integral function.
7. The wireless communication network-based power system assurance device of claim 6, wherein the analysis model constructed is specifically:
wherein μ is the operation and maintenance influence factor, λ is the failure prediction factor, η is the temperature standard display value, β is the environmental influence factor, and δ is the humidity standard display value.
8. The wireless communication network-based power system securing apparatus according to claim 7, characterized in that: the system also comprises a navigation display module which is in data connection with the route planning module, acquires the operation and maintenance route of the transformer substation in the current area, and realizes satellite navigation and touch screen display according to the corresponding route.
CN202310741484.4A 2023-06-21 2023-06-21 Power system guarantee device based on wireless communication network Withdrawn CN116565858A (en)

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Application Number Priority Date Filing Date Title
CN202310741484.4A CN116565858A (en) 2023-06-21 2023-06-21 Power system guarantee device based on wireless communication network

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Application Number Priority Date Filing Date Title
CN202310741484.4A CN116565858A (en) 2023-06-21 2023-06-21 Power system guarantee device based on wireless communication network

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117880775A (en) * 2024-03-13 2024-04-12 吉林省吉能电力通信有限公司 Emergency wireless private network communication system for transformer substation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117880775A (en) * 2024-03-13 2024-04-12 吉林省吉能电力通信有限公司 Emergency wireless private network communication system for transformer substation
CN117880775B (en) * 2024-03-13 2024-06-04 吉林省吉能电力通信有限公司 Emergency wireless private network communication system for transformer substation

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