CN202794387U - Online monitoring system for capacitive equipment and lightning arrester - Google Patents
Online monitoring system for capacitive equipment and lightning arrester Download PDFInfo
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- CN202794387U CN202794387U CN 201220415370 CN201220415370U CN202794387U CN 202794387 U CN202794387 U CN 202794387U CN 201220415370 CN201220415370 CN 201220415370 CN 201220415370 U CN201220415370 U CN 201220415370U CN 202794387 U CN202794387 U CN 202794387U
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- lightning arrester
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Abstract
The utility model provides an online monitoring system for capacitive equipment and lightning arresters, and the system comprises a local monitoring network and a remote monitoring management diagnosis network, the local monitoring network comprises a data acquisition control unit, lightning arrester online monitoring local units, and a PT bus measuring unit, and the lightning arrester online monitoring local units and the PT bus measuring unit of the local monitoring network are respectively connected with the data acquisition control unit for communication through a CAN Bus network; the data acquisition control unit and the remote monitoring management diagnosis network are mutually communicated through ethernet network; and online, real time, accurate, safe, and reliable monitoring is realized.
Description
Technical field
The present invention relates to a kind of monitoring system of Substation Electric Equipment, especially relate to a kind of capacitive apparatus and arrester on-line monitoring system.
Background technology
On-line monitoring technique is under machine operation, utilize the continuous extraction of highly sensitive sensor can reflect the information parameter of insulation of electrical installation state, size and variation tendency according to its numerical value are used intellectual technology, make prediction to the reliability real-time diagnosis of equipment with to residual life, make the maintenance scheme according to diagnostic result, for State Maintenance provides foundation.
China mainly is according to " electrical equipment preventive test rules " to the maintenance of Substation Electric Equipment at present, regularly carries out preventive trial and scheduled maintenance (being planned maintenance system) under power-off condition.Development along with electric system high capacity, Towards Higher Voltage and structure complicated and industrial and agricultural production, requirement to the safe reliability index of electric system is also more and more higher, and preventive trial and prophylactic repair system show following deficiency gradually: need during test to have a power failure; Test period is long; Test period is concentrated, workload is large; Trial voltage is low, and the validity of diagnosis is poor.
The utility model content
The purpose of this utility model provides a kind of capacitive apparatus and arrester on-line monitoring system, needs when solving test to have a power failure; Test period is long; Test period is concentrated, workload is large; Trial voltage is low, the problem that the validity of diagnosis is poor.
To achieve these goals, the utility model provides a kind of capacitive apparatus and arrester on-line monitoring system, comprise on the spot monitoring network and remote monitoring diagnostic network, monitoring network comprises data acquisition control unit, lightning arrester on-line monitoring local unit and PT bus measuring unit on the spot, and the lightning arrester on-line monitoring local unit in the monitoring network and PT bus measuring unit are respectively by CANBus net and data acquisition control unit communication on the spot; Intercom mutually by Ethernet between data acquisition control unit and the remote monitoring diagnostic network,
The remote monitoring diagnostic network comprises data server, web server, management server and the communication server based on ethernet communication.
Lightning arrester on-line monitoring local unit comprises respectively the sensor measurement module of communicating by letter successively, embedded calculation control module and CAN communication module with PT bus measuring unit.
By local mounted sensor measurement module, realize the monitoring of the capacitance type equipment insulation defectives such as bushing shell for transformer, CT, CVT and circuit coupling condenser, every lightning arrester on-line monitoring local unit and/or PT bus measuring unit can be monitored 1 group of 3 phase capacitance type equipment, when the capacitance type equipment of group more than the monitoring, only need couple together many monitoring means by Field Bus CAN and get final product.This monitoring means adopts active zero magnetic flux transducer of high precision to obtain measured signal from equipment under test end shield ground wire, on the spot 3 tested phase signals being carried out total digitalization processes, accurately obtain the fundamental frequency phase information of measured signal, then finally be uploaded to the main website server by Ethernet by the CAN bus by data acquisition control system, calculated dielectric loss and the electric capacity of this capacitance type equipment by the main website server.
The beneficial effects of the utility model are:
1, the high precision Zero Magnetic Flux Little Electric Current Transducer of exploitation patented technology, measuring speed is fast, and precision is high.
2, adopted interchange high-speed sampling Digital Signal Processing, data are accurate and effective.
3, adopt the high-speed field bus technology, communication security, stable, reliable has increased the antijamming capability of system
4, multi-layer combined type electromangnetic spectrum, unique structural design.
5, in conjunction with up-to-date artificial intelligence technology, exploitation is based on the fault diagnosis expert system of comprehensive diagnos method.
6, adopted company's operation software and hardware platform for many years, stable, reliable.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model hardware module structural representation.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Present embodiment as shown in Figure 1 and Figure 2, present embodiment provides a kind of capacitive apparatus and arrester on-line monitoring system, comprise on the spot monitoring network and remote monitoring diagnostic network, monitoring network comprises data acquisition control unit, lightning arrester on-line monitoring local unit and PT bus measuring unit on the spot, and the remote monitoring diagnostic network comprises data server, web server, management server and the communication server based on ethernet communication.
Lightning arrester on-line monitoring local unit in the monitoring network and PT bus measuring unit are respectively by CAN bus and data acquisition control unit communication on the spot; Intercom mutually by Ethernet between data acquisition control unit and the remote monitoring diagnostic network,
Lightning arrester on-line monitoring local unit comprises respectively the sensor measurement module of communicating by letter successively, embedded calculation control module and CAN communication module with PT bus measuring unit, after the sensor measurement module compensates by the signal with sensor unit, by the sampling of AD analog to digital conversion, successively through high speed MCU, CAN controller and photoelectricity isolation and data acquisition control unit communication.
By sensor installation measurement module on the spot on the circuit mutual inductor of each phase or mutual inductor, realize the monitoring of the capacitance type equipment insulation defectives such as bushing shell for transformer, CT, CVT and circuit coupling condenser, every lightning arrester on-line monitoring local unit and/or PT bus measuring unit can be monitored 1 group of 3 phase capacitance type equipment, when the many groups of monitoring capacitance type equipment, only need by Field Bus CAN many lightning arrester on-line monitoring local units and/or PT bus measuring unit to be coupled together to get final product.These unit adopt active zero magnetic flux transducer of high precision to obtain measured signal from equipment under test end shield ground wire, on the spot 3 tested phase signals being carried out total digitalization processes, accurately obtain the fundamental frequency phase information of measured signal, then finally be uploaded to the main website data server by Ethernet by the CAN bus by data acquisition control system, calculate dielectric loss and the electric capacity of this capacitance type equipment by the main website data server, realize the communication of each server on Ethernet by the communication server.
The beneficial effect of present embodiment is:
1, the high precision Zero Magnetic Flux Little Electric Current Transducer of exploitation patented technology, measuring speed is fast, and precision is high.
2, adopted interchange high-speed sampling Digital Signal Processing, data are accurate and effective.
3, adopt the high-speed field bus technology, communication security, stable, reliable has increased the antijamming capability of system
4, multi-layer combined type electromangnetic spectrum, unique structural design.
5, in conjunction with up-to-date artificial intelligence technology, exploitation is based on the fault diagnosis expert system of comprehensive diagnos method.
6, adopted company's operation software and hardware platform for many years, stable, reliable.
Claims (3)
1. a capacitive apparatus and arrester on-line monitoring system, comprise on the spot monitoring network and remote monitoring diagnostic network, monitoring network comprises data acquisition control unit, lightning arrester on-line monitoring local unit and PT bus measuring unit on the spot, it is characterized in that: the lightning arrester on-line monitoring local unit in the monitoring network and PT bus measuring unit are respectively by CANBus net and data acquisition control unit communication on the spot; Intercom mutually by Ethernet between data acquisition control unit and the remote monitoring diagnostic network.
2. a kind of capacitive apparatus according to claim 1 and arrester on-line monitoring system, it is characterized in that: the remote monitoring diagnostic network comprises data server, web server, management server and the communication server based on ethernet communication.
3. a kind of capacitive apparatus according to claim 1 and 2 and arrester on-line monitoring system, it is characterized in that: lightning arrester on-line monitoring local unit comprises respectively the sensor measurement module of communicating by letter successively, embedded calculation control module and CAN communication module with PT bus measuring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415370 CN202794387U (en) | 2012-08-21 | 2012-08-21 | Online monitoring system for capacitive equipment and lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415370 CN202794387U (en) | 2012-08-21 | 2012-08-21 | Online monitoring system for capacitive equipment and lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794387U true CN202794387U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220415370 Expired - Fee Related CN202794387U (en) | 2012-08-21 | 2012-08-21 | Online monitoring system for capacitive equipment and lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093080A (en) * | 2015-08-27 | 2015-11-25 | 国家电网公司 | Distributed wireless synchronous zinc oxide lightning arrester online monitoring apparatus |
| CN105137308A (en) * | 2015-09-22 | 2015-12-09 | 国网山东东营市东营区供电公司 | Electric power equipment insulation integrated online monitoring system |
-
2012
- 2012-08-21 CN CN 201220415370 patent/CN202794387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093080A (en) * | 2015-08-27 | 2015-11-25 | 国家电网公司 | Distributed wireless synchronous zinc oxide lightning arrester online monitoring apparatus |
| CN105137308A (en) * | 2015-09-22 | 2015-12-09 | 国网山东东营市东营区供电公司 | Electric power equipment insulation integrated online monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGYUAN SHENRUI MONITORING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NANJING QINENG ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: North Road, Nanjing City, Jiangsu province 210003 No. 90 building two floor Patentee after: CYG SUNRI MONITORING TECHNOLOGY CO., LTD. Address before: North Road, Nanjing City, Jiangsu province 210003 No. 90 building two floor Patentee before: Nanjing Qineng Electric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |