CN110768374A - Relay protection system - Google Patents
Relay protection system Download PDFInfo
- Publication number
- CN110768374A CN110768374A CN201910983710.3A CN201910983710A CN110768374A CN 110768374 A CN110768374 A CN 110768374A CN 201910983710 A CN201910983710 A CN 201910983710A CN 110768374 A CN110768374 A CN 110768374A
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- detection
- relay protection
- substation
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- transformer substation
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- 238000001514 detection method Methods 0.000 claims abstract description 84
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000003745 diagnosis Methods 0.000 claims abstract description 12
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The utility model discloses a relay protection system, including transformer substation relay protection unit, communication terminal, data cloud platform, detection and diagnosis center and alarm system, transformer substation relay protection unit detects the transformer substation, sends the testing data to data cloud platform through communication terminal and stores, and detection and diagnosis center carries out analysis and diagnosis to the testing data of storing in the data cloud platform, and when diagnosing unusually, send out the warning by alarm system to control circuit breaker and isolator and carry out relay protection. The transformer substation remote monitoring system has the advantages that real-time detection and diagnosis of the transformer substation are realized, the traditional manual on-site monitoring mode is changed, remote monitoring of large-scale transformer substations is realized, the detection efficiency of the transformer substation is improved, the number of professional detection technicians is reduced, and the detection cost is reduced.
Description
Technical Field
The present disclosure relates to a relay protection system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The relay protection device of the transformer substation is the core of power system protection, and the correctness of the logic and the setting of the relay protection device is related to whether the breaker can be quickly and accurately tripped to remove a fault when the power system breaks down, so that the stable operation of the power system is ensured, and therefore the debugging process of the relay protection device is very important and directly influences the correct action of the relay protection device and the stable operation of the power system.
At present, the control of transformer substation is very inconvenient, and although the use of relay protection tester lets the relay protection of transformer substation become more stable, but traditional box-type transformer substation does not have long-range intelligent control function, and electrician need go to box-type transformer substation and sets up the detection one by one locally, can confirm only after the witnessed inspections whether the trouble, and the real-time is low, has influenced the control efficiency of transformer substation, when simultaneously in the face of extensive transformer substation, need drop into a large amount of professional technical detection personnel, and the cost is higher.
Disclosure of Invention
In order to solve the problems, the disclosure provides a relay protection system, which can realize remote intelligent monitoring of a large-scale transformer substation and eliminate a plurality of defects of traditional field manual setting detection.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a relay protection system comprises a transformer substation relay protection unit, a communication terminal, a data cloud platform, a detection and diagnosis center and an alarm system.
The transformer substation relay protection unit is arranged in the box type transformer substation, detects performance parameters of equipment in the box type transformer substation, packages the performance parameters into detection data in a uniform format, and responds and executes a remote detection instruction of a detection and diagnosis center based on a remote detection requirement.
The communication terminal collects detection data of the transformer substation relay protection units, actively uploads the detection data to the data cloud platform, receives detection instructions issued by the data cloud platform based on remote detection requirements, and distributes the remote detection instructions to the transformer substation relay protection units according to detection contents.
The data cloud platform stores and shares detection data of the substation relay protection units in different geographic positions, and simultaneously issues remote detection instructions to the substation relay protection units based on remote detection requirements.
The detection and diagnosis center analyzes the detection data of each substation relay protection unit in the data cloud platform, and completes remote detection and diagnosis of the box-type substation by analyzing the detection data of the substation relay protection unit; when the abnormality is diagnosed, an instruction is sent to an alarm system.
And the alarm system gives an alarm according to the diagnosis result of the detection and diagnosis center.
And when the detection and diagnosis center has abnormal diagnosis results, sending instructions to the circuit breaker and the disconnecting switch in the box-type substation to control the circuit breaker and the disconnecting switch in the substation to carry out relay protection.
Further, the relay protection unit of transformer substation includes switch and relay protection tester, the output and the input of relay protection tester of switch are connected, the switch with communication terminal connects.
Furthermore, the communication terminal realizes the connection between the switch and the data cloud platform in a wireless communication mode.
Further, the box substation is provided with a unique ID number.
Furthermore, the data cloud platform updates each box-type substation device which is put into operation and the corresponding unique number in real time, and stores the performance index of each substation by taking the unique number as an index.
Furthermore, the detection and diagnosis center stores judgment basis for judging whether the performance of the updated box-type substation is qualified, analyzes and diagnoses detection data stored in the data cloud platform, obtains a detection result whether the performance of the box-type substation is qualified, and simultaneously issues a remote detection instruction to a specified box-type substation through the data cloud platform according to emergency detection requirements to complete active remote detection.
Compared with the prior art, the invention has the beneficial effects that:
1. the relay protection system disclosed by the invention changes the traditional manual on-site monitoring mode, realizes the remote monitoring of a large-scale transformer substation, improves the detection efficiency of the transformer substation, reduces the number of professional detection technicians and reduces the detection cost.
2. The relay protection system disclosed by the invention realizes real-time detection and diagnosis of the transformer substation and ensures normal operation of the transformer substation.
3. This is disclosed through installing the relay protection unit of transformer substation in the transformer substation inboard, convenient wiring, and the transformer substation is inside not additionally to increase the big intelligent terminal of heat production volume simultaneously, can not exert an influence to the normal operating and the heat dissipation of transformer substation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic block diagram of a relay protection system of the present disclosure.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
Example 1
The utility model provides a relay protection system, including transformer substation relay protection unit, communication terminal, data cloud platform, detection and diagnostic center and alarm system.
The transformer substation relay protection unit comprises a switch and a relay protection tester, the output end of the switch is connected with the input end of the relay protection tester, the output end of the relay protection tester is connected with the input end of a protection device, the protection device can be installed inside the box-type transformer substation according to the protection function of specific needs, and the output end of the protection device is connected with the communication terminal. The relay protection instrument carries out protection testing through the protection device, and the protection device sends a detection signal to the data cloud platform through the communication terminal. The switch and the relay protection tester are installed inside the transformer substation, and wiring are convenient.
The communication terminal collects the detection data of the protection device and actively uploads the detection data to the data cloud platform, and the data cloud platform stores and shares the detection data of the protection device at different geographic positions.
The detection and diagnosis center stores judgment basis for updating whether the performance of the box-type substation is qualified or not, analyzes and diagnoses detection data stored in the data cloud platform, obtains a detection result whether the performance of the box-type substation is qualified or not, completes remote detection and diagnosis of the box-type substation by analyzing detection data of a relay protection unit of the substation, and sends an instruction to the alarm system to give an alarm when the detection is abnormal, and controls a breaker and a disconnecting switch in the substation to perform relay protection.
In this embodiment, the communication terminal implements connection between the switch and the data cloud platform and connection between the protection device and the data cloud platform by using a wireless communication method.
The box-type substation is provided with a unique ID number and a data cloud platform, each box-type substation device which is put into operation and a corresponding unique number are updated in real time, and the performance indexes corresponding to the protection devices of the substations are stored by taking the unique numbers as indexes.
And the detection and diagnosis center issues a remote detection instruction to a specified box-type substation through the data cloud platform according to the emergency detection requirement, so as to complete active remote detection.
The working process of the disclosure is as follows: the relay protection tester carries out protection test on the transformer substation through the protection device, the protection device sends detection data to the data cloud platform through the communication terminal, the data cloud platform stores and shares the detection data, the detection and diagnosis center carries out remote detection and diagnosis on the transformer substation through analyzing the detection data stored in the data cloud platform, when the diagnosis result is abnormal, the alarm system sends out an alarm, and the circuit breaker and the disconnecting switch are controlled to carry out relay protection. In addition, when emergency detection is needed, the detection and diagnosis center sends a remote detection instruction to a designated box-type substation through the data cloud platform, and active remote detection is completed.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (6)
1. A relay protection system is characterized by comprising a transformer substation relay protection unit, a communication terminal, a data cloud platform, a detection and diagnosis center and an alarm system;
the transformer substation relay protection unit is arranged in the box type transformer substation, detects performance parameters of equipment in the box type transformer substation, and responds and executes a remote detection instruction of a detection and diagnosis center based on a remote detection requirement;
the communication terminal collects detection data of the transformer substation relay protection units, actively uploads the detection data to the data cloud platform, receives detection instructions issued by the data cloud platform based on remote detection requirements, and distributes the remote detection instructions to the transformer substation relay protection units according to detection contents;
the data cloud platform stores and shares detection data of the substation relay protection units in different geographic positions, and simultaneously issues a remote detection instruction to the substation relay protection units based on a remote detection requirement;
the detection and diagnosis center analyzes the detection data of each substation relay protection unit in the data cloud platform and completes remote detection and diagnosis of the box-type substation; when the abnormality is diagnosed, sending an instruction to an alarm system;
the alarm system alarms according to the diagnosis result of the detection and diagnosis center;
and when the detection and diagnosis center has abnormal diagnosis results, sending instructions to the circuit breaker and the disconnecting switch in the box-type substation to control the circuit breaker and the disconnecting switch in the substation to carry out relay protection.
2. The relay protection system according to claim 1, wherein the substation relay protection unit includes a switch and a relay protection tester, an output terminal of the switch is connected to an input terminal of the relay protection tester, and the switch is connected to the communication terminal.
3. The relay protection system according to claim 1, wherein the communication terminal implements connection between the switch and the data cloud platform by using a wireless communication method.
4. The relay protection system of claim 1, wherein the box substation is provided with a unique ID number.
5. The relay protection system of claim 1, wherein the data cloud platform updates each box-type substation device already put into operation and the corresponding unique number in real time, and stores the performance index of each substation with the unique number as an index.
6. The relay protection system according to claim 1, wherein the detection and diagnosis center stores a criterion for determining whether the updated box-type substation is qualified, analyzes and diagnoses detection data stored in the data cloud platform, and issues a remote detection instruction to a designated box-type substation through the data cloud platform to complete active remote detection according to an emergency detection requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983710.3A CN110768374A (en) | 2019-10-16 | 2019-10-16 | Relay protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983710.3A CN110768374A (en) | 2019-10-16 | 2019-10-16 | Relay protection system |
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| Publication Number | Publication Date |
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| CN110768374A true CN110768374A (en) | 2020-02-07 |
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| CN201910983710.3A Pending CN110768374A (en) | 2019-10-16 | 2019-10-16 | Relay protection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579921A (en) * | 2020-05-13 | 2020-08-25 | 南京新唐电力工程有限公司 | Relay protection debugging method |
| CN112564282A (en) * | 2020-12-02 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Integrated monitoring alarm device and monitoring method for relay protection device |
| CN117154953A (en) * | 2023-10-31 | 2023-12-01 | 国网山东省电力公司夏津县供电公司 | Substation grounding wire monitoring system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576871A (en) * | 2017-09-08 | 2018-01-12 | 国网山东省电力公司电力科学研究院 | Demand-side charging equipment of electric automobile security performance remote detection and diagnostic system and method |
| CN207559552U (en) * | 2017-12-20 | 2018-06-29 | 江西江控电气有限公司 | A kind of intelligent box substation relay protection system |
-
2019
- 2019-10-16 CN CN201910983710.3A patent/CN110768374A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576871A (en) * | 2017-09-08 | 2018-01-12 | 国网山东省电力公司电力科学研究院 | Demand-side charging equipment of electric automobile security performance remote detection and diagnostic system and method |
| CN207559552U (en) * | 2017-12-20 | 2018-06-29 | 江西江控电气有限公司 | A kind of intelligent box substation relay protection system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579921A (en) * | 2020-05-13 | 2020-08-25 | 南京新唐电力工程有限公司 | Relay protection debugging method |
| CN112564282A (en) * | 2020-12-02 | 2021-03-26 | 广东电网有限责任公司江门供电局 | Integrated monitoring alarm device and monitoring method for relay protection device |
| CN117154953A (en) * | 2023-10-31 | 2023-12-01 | 国网山东省电力公司夏津县供电公司 | Substation grounding wire monitoring system |
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Application publication date: 20200207 |