CN103414249A - Box-type substation long-distance monitoring system - Google Patents
Box-type substation long-distance monitoring system Download PDFInfo
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- CN103414249A CN103414249A CN2013103319264A CN201310331926A CN103414249A CN 103414249 A CN103414249 A CN 103414249A CN 2013103319264 A CN2013103319264 A CN 2013103319264A CN 201310331926 A CN201310331926 A CN 201310331926A CN 103414249 A CN103414249 A CN 103414249A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Provided is a box-type substation long-distance monitoring system based on long-distance monitoring of operation states of a transformer and a switch cabinet of an intelligent electronic device. The box-type substation long-distance monitoring system is formed by a switch cabinet long-distance monitoring sub IED, a transformer state long-distance monitoring sub IED, a box-type substation online monitoring main IED and a station level network, and achieves long-distance monitoring and control of a box-type substation. The box-type substation long-distance monitoring system has the advantages that the defect that an existing box-type substation monitoring system is complex and poor in reliability and extensibility due to the fact that only one CPU is arranged in the box-type substation monitoring system is overcome, a plurality of IEDs including a switch cabinet state online monitoring sub IED and a transformer state online monitoring sub IED and the box-type substation online monitoring main IED carry out information interaction through an IEC 61850 protocol, a plurality of sub IEDs can be arranged in branches of the main IED, extensibility is good, the plug and play function is achieved, and long-distance monitoring and control of the box-type substation are facilitated.
Description
Technical field
The present invention relates to a kind of box-type substation long distance control system that remote control technology is applied to box-type substation, belong to Power System Intelligent monitoring and control field.
Background technology
Box-type substation is a kind of complete change power distribution equipment that the functions such as high powered, transformer pressure-reducing, low-voltage distribution are organically combined, and the places such as intensive industrial and mining enterprises, harbour, airport, city public building, highway, underground installation and residential building community are widely used in loading.Along with informationization, networking and intelligentized fast development, box-type substation not only will have " four is distant " remote measurement, remote signalling, remote regulating, distant control function, and will realize unattended operation, and this reliability to box-type substation has proposed new requirement.For realizing the high reliability of box-type substation, must carry out remote monitoring and control to the running status of intelligent box substation, to realize box-type substation failure diagnosis and selective ablation.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of box-type substation long distance control system.The present invention is applied to intelligent box substation by remote control technology, has proposed a kind of transformer based on intelligent electronic device (Intelligent Electronic Device is called for short IED) and the implementation of switch cubicle running status remote monitoring.Structure, by the box-type substation long distance control system that the sub-IED of switch cubicle remote monitoring, the sub-IED of transformer state remote monitoring, box-type substation on-line monitoring master IED and station level network form, is realized remote monitoring and the control of box-type substation.
Technical scheme: a kind of box-type substation long distance control system comprises box-type substation on-line monitoring master IED, computer, station level network, the sub-IED of switch cabinet state on-line monitoring, the sub-IED of transformer state on-line monitoring, switch cubicle and transformer; The running status of the sub-IED monitoring switch of described switch cabinet state on-line monitoring cabinet; The running status of the sub-IED monitoring of described transformer state on-line monitoring transformer; Described box-type substation on-line monitoring master IED manages the sub-IED of switch cabinet state on-line monitoring and the sub-IED of transformer state on-line monitoring respectively; Described box-type substation on-line monitoring master IED and station level network carry out information interaction based on the IEC61850 agreement, by computer generalization, judge running status and the fault signature of box-type substation, and carry out the selectivity failure removal.To improve the box-type substation reliability of operation.Described box-type substation on-line monitoring master IED and station level network carry out information interaction based on the IEC61850 agreement, adopt Ethernet.The sub-IED of each monitoring is responsible for basic monitoring and fault arbitration functions, and complicated many reference amounts state estimation and failure predication complete by main IED.
Described intelligent electronic device IED adopts MPC8247 as CPU, extend out NOR type FLASH512k * 8bit, NAND type FLASH128Mbit, each a slice of SDRAM 4M * 16 * 4bit, external interface comprises that 2 Ethernet interface 10M/100M compatibility interfaces and two-way CAN reserve.The serial ports that inner joint is comprised to 1 tunnel 232 level, the serial ports of 1 road Transistor-Transistor Logic level, 1 road CAN.CPU board externally is connected with backstage by the IEC61850 agreement, swap data.Internally by the CAN/ serial ports, carry out exchanges data by the agreement of making by oneself, the data based agreement regulation of exchange is converted to the IEC61850 agreement and externally exports.
The sub-IED of described switch cabinet state on-line monitoring, by the monitoring running state to bus temperature monitoring, insulator leakage current monitoring, the monitoring of divide-shut brake stroke curve, control coil current monitoring, in-cabinet temperature humidity detection, draws state of insulation, temperature rising state, the machine performance of switch cubicle.Described state of insulation is to realize by the monitoring insulator leakage current; Described temperature rising state is by monitoring bus temperature and ambient temperature, and the two subtracts each other and obtains temperature rise value; Described machine performance is obtained by divide-shut brake stroke curve, control coil electric current.
The sub-IED of described transformer state on-line monitoring, by the monitoring running state of the monitoring of the winding temperature to transformer, three-phase output voltage monitoring, the monitoring of three-phase output current, fan, draws transformer temperature rising state, load condition, the alternate non-equilibrium state of transformer.Described transformer temperature rising state, generally for winding temperature, could judge it is overload or equipment fault but winding temperature needs and power output combines; Described load condition refers to the output load state; Described alternate non-equilibrium state is to calculate and obtain by the electric current and voltage of monitoring every output mutually.
Beneficial effect: the present invention can overcome monitoring system complexity, poor reliability, the poor defect of autgmentability that CPU of current box type transformer substation monitoring system brings, a plurality of IED and the box-type substation on-line monitoring master IED that the sub-IED of switch cabinet state on-line monitoring, the sub-IED of transformer state on-line monitoring, consist of carry out information interaction by the IEC61850 agreement, below main IED, can hang a plurality of sub-IED, extensibility is good, have plug-and-play feature, conveniently realize remote monitoring and the control of box-type substation.
The accompanying drawing explanation
Fig. 1 is supervisory control system schematic diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of box-type substation long distance control system, comprise box-type substation on-line monitoring master IED1, computer 2, station level network 3, the sub-IED4 of switch cabinet state on-line monitoring, the sub-IED5 of transformer state on-line monitoring, switch cubicle 6 and transformer 7; The running status of the sub-IED4 monitoring switch of described switch cabinet state on-line monitoring cabinet 6; The running status of the sub-IED5 monitoring of described transformer state on-line monitoring transformer 7; Described box-type substation on-line monitoring master IED1 manages the sub-IED4 of switch cabinet state on-line monitoring and the sub-IED5 of transformer state on-line monitoring respectively; Described box-type substation on-line monitoring master IED1 and station level network 3 carry out information interaction based on the IEC61850 agreement, by running status and the fault signature of the comprehensive judgement box-type substation of computer 2, and carry out the selectivity failure removal.To improve the box-type substation reliability of operation.Described box-type substation on-line monitoring master IED and station level network carry out information interaction based on the IEC61850 agreement, adopt Ethernet.The sub-IED of each monitoring is responsible for basic monitoring and fault arbitration functions, and complicated many reference amounts state estimation and failure predication complete by main IED.
Described intelligent electronic device IED adopts MPC8247 as CPU, extend out NOR type FLASH512k * 8bit, NAND type FLASH128Mbit, each a slice of SDRAM 4M * 16 * 4bit, external interface comprises that 2 Ethernet interface 10M/100M compatibility interfaces and two-way CAN reserve.The serial ports that inner joint is comprised to 1 tunnel 232 level, the serial ports of 1 road Transistor-Transistor Logic level, 1 road CAN.CPU board externally is connected with backstage by the IEC61850 agreement, swap data.Internally by the CAN/ serial ports, carry out exchanges data by the agreement of making by oneself, the data based agreement regulation of exchange is converted to the IEC61850 agreement and externally exports.
The sub-IED4 of described switch cabinet state on-line monitoring, by the monitoring running state to bus temperature monitoring 8, insulator leakage current monitoring 9, divide-shut brake stroke curve monitoring 10, control coil current monitoring 11, in-cabinet temperature humidity detection 12, draws state of insulation 17, temperature rising state 18, the machine performance 19 of switch cubicle 6.Described state of insulation is to realize by the monitoring insulator leakage current; Described temperature rising state is by monitoring bus temperature and ambient temperature, and the two subtracts each other and obtains temperature rise value; Described machine performance is obtained by divide-shut brake stroke curve, control coil electric current.
The sub-IED5 of described transformer state on-line monitoring, by the monitoring running state of the monitoring of the winding temperature to transformer 7 13, three-phase output voltage monitoring 14, three-phase output current monitoring 15, fan 16, draws transformer temperature rising state 20, load condition 21, the alternate non-equilibrium state 22 of transformer 7.Described transformer temperature rising state, generally for winding temperature, could judge it is overload or equipment fault but winding temperature needs and power output combines; Described load condition refers to the output load state; Described alternate non-equilibrium state is to calculate and obtain by the electric current and voltage of monitoring every output mutually.
Claims (3)
1. a box-type substation long distance control system, is characterized in that: comprise box-type substation on-line monitoring master IED(1), computer (2), station level network (3), the sub-IED(4 of switch cabinet state on-line monitoring), the sub-IED(5 of transformer state on-line monitoring), switch cubicle (6) and transformer (7); The sub-IED(4 of described switch cabinet state on-line monitoring) running status of monitoring switch cabinet (6); The sub-IED(5 of described transformer state on-line monitoring) running status of monitoring transformer (7); Described box-type substation on-line monitoring master IED(1) respectively to the sub-IED(4 of switch cabinet state on-line monitoring) and the sub-IED(5 of transformer state on-line monitoring) manage; Described box-type substation on-line monitoring master IED(1) with station level network (3), carry out information interaction based on the IEC61850 agreement, by computer (2), comprehensively judge running status and the fault signature of box-type substation, and carry out the selectivity failure removal.
2. box-type substation long distance control system according to claim 1, it is characterized in that: the sub-IED(4 of described switch cabinet state on-line monitoring), by the monitoring running state to bus temperature monitoring (8), insulator leakage current monitoring (9), the monitoring of divide-shut brake stroke curve (10), control coil current monitoring (11), in-cabinet temperature humidity detection (12), draw state of insulation (17), temperature rising state (18), the machine performance (19) of switch cubicle (6).
3. box-type substation long distance control system according to claim 1, it is characterized in that: the sub-IED(5 of described transformer state on-line monitoring) by the monitoring running state of the monitoring of the winding temperature to transformer (7) (13), three-phase output voltage monitoring (14), three-phase output current monitoring (15), fan (16), draw transformer temperature rising state (20), load condition (21), the alternate non-equilibrium state (22) of transformer (7).
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| CN2013103319264A CN103414249A (en) | 2013-08-02 | 2013-08-02 | Box-type substation long-distance monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360184A (en) * | 2014-10-29 | 2015-02-18 | 中国石油化工股份有限公司 | Method and system for online state monitoring of power equipment on basis of neural network model |
| CN105186697A (en) * | 2015-10-28 | 2015-12-23 | 云南电网有限责任公司红河供电局 | Remote diagnosis system of IED operating conditions of IEC61850 intelligent substation |
| CN105305617A (en) * | 2015-10-15 | 2016-02-03 | 广东电网有限责任公司中山供电局 | Transformer substation online secondary equipment standing book information acquisition method |
| CN106130188A (en) * | 2016-08-30 | 2016-11-16 | 江苏大唐国际吕四港发电有限责任公司 | A kind of power plant high voltage station monitoring system and monitoring method thereof |
| CN108988490A (en) * | 2018-07-04 | 2018-12-11 | 安徽迪康电力科技有限公司 | A kind of box type transformer remote monitoring system |
| CN110364988A (en) * | 2019-06-19 | 2019-10-22 | 长园深瑞继保自动化有限公司 | The main submachine of the observing and controlling of intelligent substation |
Citations (4)
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| CN102122844A (en) * | 2011-03-01 | 2011-07-13 | 江苏省电力设计院 | Intelligent substation based on sensor, communication network and expert system |
| CN202231347U (en) * | 2011-09-28 | 2012-05-23 | 中国西电电气股份有限公司 | Monitoring system of intelligent GIS (geographic information system) interval monitoring device |
| CN202759292U (en) * | 2012-09-11 | 2013-02-27 | 辽宁省电力有限公司鞍山供电公司 | An intelligent box-type transformer station |
| CN203434747U (en) * | 2013-08-02 | 2014-02-12 | 中科天工电气控股有限公司 | Box type transformer station remote monitoring system |
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2013
- 2013-08-02 CN CN2013103319264A patent/CN103414249A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122844A (en) * | 2011-03-01 | 2011-07-13 | 江苏省电力设计院 | Intelligent substation based on sensor, communication network and expert system |
| CN202231347U (en) * | 2011-09-28 | 2012-05-23 | 中国西电电气股份有限公司 | Monitoring system of intelligent GIS (geographic information system) interval monitoring device |
| CN202759292U (en) * | 2012-09-11 | 2013-02-27 | 辽宁省电力有限公司鞍山供电公司 | An intelligent box-type transformer station |
| CN203434747U (en) * | 2013-08-02 | 2014-02-12 | 中科天工电气控股有限公司 | Box type transformer station remote monitoring system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360184A (en) * | 2014-10-29 | 2015-02-18 | 中国石油化工股份有限公司 | Method and system for online state monitoring of power equipment on basis of neural network model |
| CN105305617A (en) * | 2015-10-15 | 2016-02-03 | 广东电网有限责任公司中山供电局 | Transformer substation online secondary equipment standing book information acquisition method |
| CN105186697A (en) * | 2015-10-28 | 2015-12-23 | 云南电网有限责任公司红河供电局 | Remote diagnosis system of IED operating conditions of IEC61850 intelligent substation |
| CN106130188A (en) * | 2016-08-30 | 2016-11-16 | 江苏大唐国际吕四港发电有限责任公司 | A kind of power plant high voltage station monitoring system and monitoring method thereof |
| CN108988490A (en) * | 2018-07-04 | 2018-12-11 | 安徽迪康电力科技有限公司 | A kind of box type transformer remote monitoring system |
| CN110364988A (en) * | 2019-06-19 | 2019-10-22 | 长园深瑞继保自动化有限公司 | The main submachine of the observing and controlling of intelligent substation |
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Application publication date: 20131127 |