CN203705587U - Insulating integrated on-line monitoring system for power equipment of transformer station - Google Patents
Insulating integrated on-line monitoring system for power equipment of transformer station Download PDFInfo
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- CN203705587U CN203705587U CN201320527989.2U CN201320527989U CN203705587U CN 203705587 U CN203705587 U CN 203705587U CN 201320527989 U CN201320527989 U CN 201320527989U CN 203705587 U CN203705587 U CN 203705587U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 72
- 238000009413 insulation Methods 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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Abstract
The utility model discloses an insulating integrated on-line monitoring system for power equipment of a transformer station, and the system mainly consists of a preposed machine system based on a PXI bus, an integrated monitoring main-control-computer system, and a database server system. The system provided by the utility model is characterized in that the preposed machine system mainly comprises a PXI cabinet, a plurality of PXI interface modules installed in slots of the PXI cabinet, and a plurality of hardware collection modules which are connected to the PXI cabinet through the PXI interface modules; the hardware collection modules are respectively integrated to the PXI bus through the corresponding PXI interface modules, and are respectively connected with the integrated monitoring main-control-computer system and the database server system through the PXI bus; the monitoring system, which is developed based on the PXI bus, is an integrated system for monitoring multiple parameters of the power equipment of the transformer station; the monitoring system is reasonable in structure, is convenient and reliable in application, guarantees the safety and reliability of the operation of large-scale power equipment of the transformer station, and improves the quality of power supply.
Description
Technical field
The utility model relates to that a kind of what relate to is the apparatus insulated comprehensive on-line monitoring system of a kind of converting station electric power, belong to converting station electric power equipment on-line monitoring technical field.
Background technology
The development experience of power equipment detection technique SCM Based pick-up unit arrive again the detection system stage based on computer technology to pick-up unit based on D S P technology, just develop towards the comprehensive detection system based on New Bus technology and network technology at present; Some new detection techniques are as optical fiber technology signals collecting and treatment technology, and P XI measurement and control bus technology etc. is applied rapidly in the detection of power equipment;
The discrete power equipment of transformer station has conventionally: power transformer, power cable, isolating switch, current transformer, voltage transformer (VT), lightning arrester, reactor and isolation switch etc.; At present, gas insulated combined electrical equipment (GIS) has obtained application more and more widely, and its insulating monitoring mostly is monitoring disk insulator supports insulative state; In addition, the generator of power plant is as an important generating set, and its insulation state monitoring is also extremely important.
Table 1 is the customary insulation monitoring feature parameter of the existing typical case of transformer station power equipment, each power equipment in the apparatus insulated state on_line monitoring of converting station electric power and parts thereof need be installed multiple monitoring device and come the status signal of the multiple insulation parameters of collecting device, the large scale electrical power unit such as GIS, transformer mainly judges its state of insulation by on-line monitoring shelf depreciation, in addition, transformer can also carry out on-line monitoring by oil gas analysis; Power cable is introduced (or drawing) line through being commonly used for transformer station's power, the insulation parameters such as common its shelf depreciation of on-line monitoring, dielectric loss, insulation resistance.For a fairly large number of power equipment in the transformer stations such as isolating switch, voltage transformer (VT), current transformer, mainly find its insulation defect by the leakage current under its alternating voltage of on-line monitoring and dielectric loss.Therefore transformer station's on-line monitoring of, releasing both at home and abroad at present belongs to the on-Line Monitor Device of single equipment substantially.
Utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provide a kind of improvement of doing on the discrete on-line monitoring of existing converting station electric power equipment basis, thereby guarantee the safety and reliability of transformer station's large scale electrical power unit operation, improved the apparatus insulated comprehensive on-line monitoring system of converting station electric power of power supply quality.
The purpose of this utility model completes by following technical solution, the apparatus insulated comprehensive on-line monitoring system of a kind of converting station electric power, it is mainly made up of the front-end processor system based on PXI bus, comprehensive monitoring main control computer system and Database Server System three parts, described front-end processor system mainly comprises PXI cabinet, be arranged on the multiple PXI interface modules on PXI cabinet slot, and be connected to the multiple hardware acquisition modules on PXI cabinet by described PXI interface module; Described hardware acquisition module is integrated in the PXI bus in front-end processor system by PXI interface module separately respectively, and is connected with described comprehensive monitoring main control computer system and Database Server System respectively by this PXI bus.
Described front-end processor system is placed in substation field nearby; Described comprehensive monitoring main control computer system is mainly made up of industrial control computer, gps satellite clock, switch and other utility appliance, and this comprehensive monitoring main control computer system is connected with Database Server System and is placed in the central station of floating dock of transformer station; Described comprehensive monitoring main control computer system access has switch and is connected with multiple front-end processor systems by Ethernet combined network communication.
Hardware acquisition module in described front-end processor system at least comprises that the insulation parameters such as the shelf depreciation to the transformer in transformer station, GIS and power cable carry out the local discharge signal harvester of signals collecting, this local discharge signal harvester comprises the signal transducer being separately positioned on transformer, GIS and power cable, described signal transducer connects signal condition unit by cable, and described signal condition unit is connected in the PXI interface module being made up of high-speed data acquisition card PXI-5112 and high-speed oscilloscope TDS2014.
Hardware acquisition module in described front-end processor system also comprises the primary cut-out in transformer station, lightning arrester, power capacitor and power cable leakage current values are carried out the leakage current signal harvester of signals collecting, this leakage current signal harvester comprises and is separately positioned on primary cut-out, lightning arrester, signal transducer on power capacitor and power cable, described signal transducer is connected with the embedded preposition intelligent node of changing with A/D, be connected in again the PXI interface module being formed by PXI-8440 multi-serial-port card in PXI cabinet by RS-485 bus by this embedded preposition intelligent node.
The utility model is mainly the monitoring system based on P XI bus development, be the integrated greatly of an each power equipment many reference amounts monitoring of transformer station, it has rational in infrastructure, easy to use and reliable, the safety and reliability that has guaranteed transformer station's large scale electrical power unit operation, has improved the features such as power supply quality.
Accompanying drawing explanation
Fig. 1 is that comprehensive on-line monitoring system described in the utility model networking forms schematic block diagram.
Fig. 2 is comprehensive on-line monitoring schematic block diagram described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: shown in Fig. 1, the apparatus insulated comprehensive on-line monitoring system of a kind of converting station electric power described in the utility model, it is mainly made up of the front-end processor system 1 based on PXI bus, comprehensive monitoring main control computer system 2 and Database Server System 3 three parts, described front-end processor system 1 mainly comprises PXI cabinet, be arranged on the multiple PXI interface modules on PXI cabinet slot, and be connected to the multiple hardware acquisition modules on PXI cabinet by described PXI interface module; Described hardware acquisition module is integrated in the PXI bus in front-end processor system by PXI interface module separately respectively, and is connected with described comprehensive monitoring main control computer system 2 and Database Server System 3 respectively by this PXI bus.
Front-end processor system 1 described in the utility model is placed in substation field nearby; Described comprehensive monitoring main control computer system 2 is mainly made up of industrial control computer, gps satellite clock, switch and other utility appliance, and this comprehensive monitoring main control computer system 2 is connected with Database Server System 3 and is placed in the central station of floating dock of transformer station; Described comprehensive monitoring main control computer system 2 has access to switch and is connected with multiple front-end processor systems 1 by Ethernet combined network communication.
Shown in Fig. 2, hardware acquisition module in described front-end processor system 1 at least comprises the transformer 5 in transformer station, the insulation parameters such as the shelf depreciation of GIS6 and power cable 7 carry out the local discharge signal harvester of signals collecting, this local discharge signal harvester comprises and is separately positioned on transformer 5, signal transducer 8 on GIS6 and power cable 7, the signal condition unit 9 that described signal transducer 8 connects by cable, described signal condition unit 9 is connected in by high-speed data acquisition card PXI-5112 and is connected with the PXI interface module 10 that high-speed oscilloscope TDS2014 forms.
Hardware acquisition module in described front-end processor system 1 also at least comprises the primary cut-out 11 in transformer station, lightning arrester 12, power capacitor 13 and power cable 7 leakage current values are carried out the leakage current signal harvester of signals collecting, this leakage current signal harvester comprises and is separately positioned on primary cut-out 11, lightning arrester 12, signal transducer 8 on power capacitor 13 and power cable 7, described signal transducer 8 is by being connected with the embedded preposition intelligent node 14 of changing with A/D, be connected in again the PXI interface module 10 being formed by PXI-8440 multi-serial-port card in PXI cabinet by RS-485 bus by this embedded preposition intelligent node 14.
Embodiment:
Converting station electric power equipment on-line monitoring described in the utility model can adopt the integrated mode of classification, according to the actual conditions in transformer station, the power equipment that needs on-line monitoring can be divided into multiple unit (generally all power equipments in an outlet being divided into a unit) by region, the power equipment of each unit can pass through a P XI front-end processor system, and each hardware system that carries out insulation state monitoring is integrated.The embedded controller of P XI is due to ethernet nic interface, can be by means of switch by all P XI system composition ethernet local area networks, form in transformer station the comprehensive on-line monitoring system network for the multiple insulation parameter of multiple power equipments, complete the network of on-line monitoring system environment in integrated integrated.Whole converting station electric power equipment on-line monitoring grid mainly by the front-end processor system based on P XI bus, comprehensive monitoring main control computer system,, Database Server System 3 parts form, as shown in Figure 1.
P XI front-end processor system mainly by P XI cabinet, be arranged on the various P XI interface modules on P XI cabinet slot and the hardware acquisition module that is connected on P XI cabinet by P XI module forms.Each P XI system stores these data into database after gathering, calculate the eigenwert of Electric Power Equipment Insulation parameter, then sends validity and the promptness of the up-to-date state of insulation data of message informing monitoring station system acquisition with these data that guarantee to insulate in monitoring station system.By corresponding P XI interface module is installed on P XI cabinet slot, can easily each hardware system be integrated in P XI bus.Because the simulating signal of state of insulation is easily interfered and decays in long Distance Transmission, the monitoring target nearby therefore P XI system is placed on scene.
The formation of comprehensive monitoring main control computer system and mission planning comprehensive monitoring main control computer system are made up of other utility appliance such as industrial control computer, gps satellite clock, switches, mainly the eigenwert of the Electric Power Equipment Insulation state parameter to all enforcement monitorings is carried out real-time exhibition and historical query, and draws corresponding graph data.Comprehensive monitoring main control computer system (monitoring station system) knowing P XI system insulation status data upgrade message after, by Query Database obtain P XI system update state of insulation data and and alarm threshold value compare judgment device state of insulation;
If a certain parametric data is higher than alarm threshold value, monitoring station system reminds staff to note alerting signal, monitoring station system also can be inquired about the historical data of a certain insulation parameter of certain power equipment in random time section, and the trend figure of drafting is shown the development trend of this insulation parameter.In addition monitoring station system also can by network service change the control mode of P XI system signal collection and in LAN (Local Area Network), carry out gps system to time operate.
Front-end processor system comprises the intellectual monitoring node section of the preposition unit of P XI bus and each equipment, lays nearby at substation field.In the central station of floating dock of comprehensive monitoring main control computer system (main control computer) in transformer station, mainly manage and inquire about front end processor and monitor the data that obtain and there is the functions such as warning and printing; If this main control computer needs access switch to realize Ethernet combined network communication need to manage many front end processors time; Monitoring system should not depart from the equipment of monitoring and should synchronize with comprehensive monitoring main control computer system clock in time, Monitoring Data and system operative association are considered to analyze, therefore need to access GPS satellite clock, also need design conventional power isolation transformer and U PS uninterruption power source in system.
Claims (5)
1. the apparatus insulated comprehensive on-line monitoring system of converting station electric power, it is mainly made up of the front-end processor system based on PXI bus, comprehensive monitoring main control computer system and Database Server System three parts, it is characterized in that described front-end processor system mainly comprises PXI cabinet, be arranged on the multiple PXI interface modules on PXI cabinet slot, and be connected to the multiple hardware acquisition modules on PXI cabinet by described PXI interface module; Described hardware acquisition module is integrated in the PXI bus in front-end processor system by PXI interface module separately respectively, and is connected with described comprehensive monitoring main control computer system and Database Server System respectively by this PXI bus.
2. the apparatus insulated comprehensive on-line monitoring system of converting station electric power according to claim 1, is characterized in that described front-end processor system is placed in substation field nearby; Described comprehensive monitoring main control computer system is mainly made up of industrial control computer, gps satellite clock, switch and other utility appliance, and this comprehensive monitoring main control computer system is connected with Database Server System and is placed in the central station of floating dock of transformer station; Described comprehensive monitoring main control computer system access has switch and is connected with multiple front-end processor systems by Ethernet combined network communication.
3. the apparatus insulated comprehensive on-line monitoring system of converting station electric power according to claim 1 and 2, it is characterized in that the hardware acquisition module in described front-end processor system at least comprises the transformer in transformer station, the shelf depreciation insulation parameter of GIS and power cable carries out the local discharge signal harvester of signals collecting, this local discharge signal harvester comprises and is separately positioned on transformer, signal transducer on GIS and power cable, described signal transducer connects signal condition unit by cable, described signal condition unit is connected in the PXI interface module being made up of high-speed data acquisition card PXI-5112 and high-speed oscilloscope TDS2014.
4. the apparatus insulated comprehensive on-line monitoring system of converting station electric power according to claim 3, it is characterized in that the hardware acquisition module in described front-end processor system also comprises the primary cut-out in transformer station, lightning arrester, power capacitor and power cable leakage current values are carried out the leakage current signal harvester of signals collecting, this leakage current signal harvester comprises and is separately positioned on primary cut-out, lightning arrester, signal transducer on power capacitor and power cable, described signal transducer is connected with the embedded preposition intelligent node of changing with A/D, be connected in again the PXI interface module being formed by PXI-8440 multi-serial-port card in PXI cabinet by RS-485 bus by this embedded preposition intelligent node.
5. the apparatus insulated comprehensive on-line monitoring system of converting station electric power according to claim 1 and 2, it is characterized in that the hardware acquisition module in described front-end processor system at least comprises the primary cut-out in transformer station, lightning arrester, power capacitor and power cable leakage current values are carried out the leakage current signal harvester of signals collecting, this leakage current signal harvester comprises and is separately positioned on primary cut-out, lightning arrester, signal transducer on power capacitor and power cable, signal transducer is connected with the embedded preposition intelligent node with A/D module, be connected in again the PXI interface module being formed by PXI-8440 multi-serial-port card in PXI cabinet by RS-485 bus by this embedded preposition intelligent node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527989.2U CN203705587U (en) | 2013-08-28 | 2013-08-28 | Insulating integrated on-line monitoring system for power equipment of transformer station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527989.2U CN203705587U (en) | 2013-08-28 | 2013-08-28 | Insulating integrated on-line monitoring system for power equipment of transformer station |
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| CN203705587U true CN203705587U (en) | 2014-07-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472375A (en) * | 2013-08-28 | 2013-12-25 | 国网浙江省电力公司嘉兴供电公司 | Insulated comprehensive on-line monitoring system of power equipment for transformer station |
| CN105549480A (en) * | 2015-12-29 | 2016-05-04 | 中国电力科学研究院 | Distribution equipment state information general data acquisition system and method |
| CN109656175A (en) * | 2018-12-26 | 2019-04-19 | 大唐巴彦淖尔风力发电有限责任公司 | Wind-powered electricity generation investigating method based on PXI bussing technique |
-
2013
- 2013-08-28 CN CN201320527989.2U patent/CN203705587U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472375A (en) * | 2013-08-28 | 2013-12-25 | 国网浙江省电力公司嘉兴供电公司 | Insulated comprehensive on-line monitoring system of power equipment for transformer station |
| CN105549480A (en) * | 2015-12-29 | 2016-05-04 | 中国电力科学研究院 | Distribution equipment state information general data acquisition system and method |
| CN109656175A (en) * | 2018-12-26 | 2019-04-19 | 大唐巴彦淖尔风力发电有限责任公司 | Wind-powered electricity generation investigating method based on PXI bussing technique |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |