CN103412510A - Method for transmitting data of generator excitation regulator to intelligent power station - Google Patents
Method for transmitting data of generator excitation regulator to intelligent power station Download PDFInfo
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- CN103412510A CN103412510A CN2013102588954A CN201310258895A CN103412510A CN 103412510 A CN103412510 A CN 103412510A CN 2013102588954 A CN2013102588954 A CN 2013102588954A CN 201310258895 A CN201310258895 A CN 201310258895A CN 103412510 A CN103412510 A CN 103412510A
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Abstract
The invention relates to a method for transmitting data of generator excitation regulators to an intelligent power station. The method is characterized in that: an excitation regulating cabinet is equipped with an extension communication unit and two sets of automatic voltage regulators, wherein an IEC61850 protocol converter, namely a CSC-1312IEC61850 converter is additionally arranged below one side of the excitation regulating cabinet, communication information output via an MODBUS protocol of the data of monitoring software of a tablet computer is read into the protocol converter, and the information is converted into an IEC61850 protocol for output by the protocol converter. The invention can bring convenience for the operators to monitor data of the generator excitation regulators and for the timely treatment of accidents, further the equipment defects of the generator excitation regulators can be connected with a production information management system, thereby facilitating the equipment defect management; and the invention achieves the purposes of being reliable, safe, economical, efficient, environmentally friendly and being safe in application of power plants, and improves the reliability and quality of power supply.
Description
Technical field
The present invention relates to a kind of method that data by automatic excitation adjustor of generator are sent to intelligent power station, belong to field of power system control, can be applicable to water-power plant or fuel-burning power plant.
Background technology
Intelligent power station is to be based upon on the basis of integrated, high-speed bidirectional communication network, by the application of advanced sensing and measuring technique, advanced equipment, advanced control method and advanced decision support system (DSS) technology.Domestic traditional power station " intelligent power station " target relatively exists some problems or defect: between different secondary system or intelligent electronic device (IED), the communication interface of information data exchange and agreement lack standard and standardization, especially in a large number adopt the field bus communication mode to make power station basic information data exchange efficiency low, hindered the process of the information sharing of full factory, networking; The system Heterogeneity of electrical secondary system or IED is more outstanding, the unified Modeling of shortage standard, standard and data definition, make the interactive realization between electrical secondary system or IED very difficult, and easily cause the appearance of various " information islands ", in power station the various information datas of basic automatic landing collection to senior application layer, transmit and senior application layer different application between share this and also have very large obstacle aspect two; The Back ground Information layer of tradition Automation of Hydropower Station system remains by adopting a large amount of cables to carry out the traditional approach of analog quantity and the collection of rhabdion point; cause that the Cable Laying Technic for Power Plant amount is large, wiring is complicated; affected the global reliability of automated system; easily be subjected to electromagnetic interference (EMI) and superpotential impact of primary equipment transmission; there is the hidden danger of the aspects such as secondary device operation exception, protective relaying maloperation work, larger with the feature gap of the informationization of intelligent grid, digitizing, networking.
Summary of the invention
The object of the present invention is to provide a kind of data by automatic excitation adjustor of generator to be sent to the method in intelligent power station, it can be convenient to the timely processing that the operations staff monitors data and the accident of automatic excitation adjustor of generator, the automatic excitation adjustor of generator equipment deficiency can be connected with Style Product Information Management System in addition, be convenient to the equipment deficiency management; Realize the target of reliable, the safety, economy of generating plant, efficient, environmental friendliness and use safety, improved power supply reliability and power supply quality.
Technical scheme of the present invention is achieved in that a kind of data by automatic excitation adjustor of generator are sent to the method in intelligent power station, it is that the operational factor of automatic excitation adjustor of generator, running status, power cabinet commutated current and controllable silicon fault-signal, degaussing switch duty are sent on intelligent platform by computer network, it is characterized in that: GEC-300 type exciter control system comprises adjustment of field excitation cabinet, intelligent rectifier cabinet, demagnetization cabinet, exciting transformer; Expansion communication unit (ECU) and two cover automatic voltage regulator (AVR) wherein are housed in the adjustment of field excitation cabinet, in the side-lower of adjustment of field excitation cabinet, adding an IEC61850 protocol converter is CSC-1312 IEC61850 converter, communication port by expansion communication unit (ECU) purl machine is the COM3 mouth, the communication information that the data of purl machine monitoring software are exported via the MODBUS agreement is read into protocol converter, then converts these information the output of to IEC61850 agreement by protocol converter.
Concrete step is as follows:
1, at first the automatic voltage regulator of GEC-300 type exciter control system (AVR) passes to expansion communication unit (ECU) by the excitation data via connection, and the display by ECU also adopts the software that labview writes to carry out data demonstration and data transmission;
2, the COM3 mouth of expansion communication unit (ECU) adopts the MODBUS communications protocol, by CSC-1312 IEC61850 converter, realize that the MODBUS agreement turns the IEC61850 agreement, complete protocol conversion and need to use the supporting ConfigTool.exe tool making template of CSC-1312 IEC61850 converter, generate the .icd file, as: gec300[CRC=3D35] .icd, thereby adopt the IEC61850 agreement to be uploaded to the intelligent platform in power station, realize the purpose of the intelligent platform communication in GEC-300 type exciter control system and power station; The MODBUS agreement is adopted in the input of CSC-1312 IEC61850 converter, the RTU coded system, master and slave communication modes, the intelligent platform in power station is main website, the GEC-300 exciter control system is slave station, tributary address is defaulted as 1(1～255 and can selects arbitrarily), exciter control system is ignored bad command; The IEC61850 agreement is used in output, by IEC61850 agreement and intelligent power station, carry out communication, thereby intelligent power station can receive the data of GEC-300 field regulator.
The interface mode of described CSC-1312 IEC61850 converter, for being input as RS232, is output as network interface; Data layout: communication speed 9600bps, 1 start bit, 8 bit data positions, 1 position of rest, no parity, the CRC check mode is adopted in bug check.
Issue data packet format:
Tributary address: exciter control system takies 1 tributary address, is defaulted as 1
Function code: the operation code that slave station will be carried out is informed by main website:
03: the read switch amount;
04: read analog quantity/parameter value;
First address: switching value or analog quantity leave the first address (address reference subordinate list) in slave station in;
Count: main website need to read number or the switching value register quantity of analog quantity.
CRC check: the CRC check value of all data in CRC check LO front.
Exciter control system uploading data packet format:
Tributary address: issue packet with the intelligent platform in power station;
Function code: issue packet with the intelligent platform in power station;
Byte number: the number that transmits data; (getting least-significant byte)
Data: the data of transmission, an analog quantity high position are front, and low level is rear;
The corresponding register value of switching value.
CRC check: together issue with packet
Good effect of the present invention is the target of reliable, the safety that realized generating plant, economy, efficient, environmental friendliness and use safety, has improved power supply reliability and power supply quality.
The accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention.
Embodiment
the present invention will be further described below in conjunction with drawings and Examples: as shown in Figure 1,a kind of data by automatic excitation adjustor of generator are sent to the method in intelligent power station, it is by the operational factor of automatic excitation adjustor of generator, running status, power cabinet commutated current and controllable silicon fault-signal, the degaussing switch duty is sent on intelligent platform by computer network, it is characterized in that: GEC-300 type exciter control system comprises the adjustment of field excitation cabinet, the intelligence rectifier cabinet, the demagnetization cabinet, exciting transformer, expansion communication unit (ECU) and two cover automatic voltage regulator (AVR) are housed in the adjustment of field excitation cabinet, in the side-lower of adjustment of field excitation cabinet, adding an IEC61850 protocol converter is CSC-1312 IEC61850 converter, communication port by expansion communication unit (ECU) purl machine is the COM3 mouth, the communication information that the data of purl machine monitoring software are exported via the MODBUS agreement is read into protocol converter, by protocol converter, convert these information the output of to IEC61850 agreement again.
Embodiment 1:The automatic excitation adjustor of generator operational factor is kept in automatic exciting regulator (AVR) cpu chip, and operational factor is related to the control law of excitation system, controls effect.The parameter of AVR passes to expansion communication unit (ECU) via connection, ECU is converted into the MODBUS protocol data to parameter by the software that labview writes, through CSC-1312 IEC61850 converter, be converted to the IEC61850 protocol data, through optical fiber, upload to the intelligent platform in power station, intelligent this IEC61850 protocol data of land identification in power station, through conversion, show, namely on the intelligent platform in power station, see the parameter of excitation system and the control law of excitation system, control effect.
Embodiment 2:Exciter control system power cabinet commutated current (as 1000A) is converted to the 50mV signal by shunt and is input in intelligent rectification unit (IPU), by IPU, this 50mV signal imitation amount is converted into to digital quantity, is uploaded to automatic exciting regulator (AVR) by the CAN network.AVR passes to expansion communication unit (ECU) to the power cabinet commutated current that IPU uploads via connection, ECU is converted into the MODBUS protocol data to the power cabinet commutated current by special-purpose monitoring software, through CSC-1312 IEC61850 converter, be converted to the IEC61850 protocol data, through optical fiber, upload to the intelligent platform in power station, intelligent this IEC61850 protocol data of land identification in power station, through conversion, show, namely on the intelligent platform in power station, see the commutated current of excitation system power cabinet.
Embodiment 3:The degaussing switch auxiliary node (reflection degaussing switch duty) of exciter control system degaussing switch duty by excitation system opened into to automatic exciting regulator (AVR).AVR passes to expansion communication unit (ECU) to this intake via connection, ECU is converted into the MODBUS protocol data to switching value data by special-purpose monitoring software, through CSC-1312 IEC61850 converter, be converted to the IEC61850 protocol data, through optical fiber, upload to the intelligent platform in power station, intelligent this IEC61850 protocol data of land identification in power station, through conversion, show, namely on the intelligent platform in power station, see exciter control system degaussing switch duty.
On GEC-300 type field regulator, increase a set of IEC61850 protocol converter, by the IEC61850 converter, excitation system data/signal is sent on unified platform, make state and the data of excitation system very clear at unified platform, can reach the excitation system intelligent transformation.The access of IEC61850 protocol converter is the Modbus agreement of standard, is output as the IEC61850 agreement.
To according to accompanying drawing, construct in the supporting IEC61850 protocol converter of GEC-300 type excitation system, be arranged in GEC-300 adjustment of field excitation cabinet.
According to IEC61850 protocol converter instructions (or corresponding drawing), carry out wiring: adopt the AC220V power lead, and connect GEC-300 excitation system RS232 connection, and the optical fiber be connected with the intelligent platform in power station.
Each signal that the IEC61850 protocol converter is expanded the output of communication unit (ECU) COM3 mouth employing MODBUS communications protocol by exciter control system converts the IEC61850 protocol data amount form that the intelligent platform in power station requires to.The signal of COM3 mouth output can pass through MODBUS protocol access and inspection, adopts the RTU coded system, master and slave communication modes, the intelligent platform in power station is main website, exciter control system is slave station, and it is optional that tributary address is defaulted as 1(1～255, ECU unit parameter: tributary address); Exciter control system is ignored bad command.
Data layout: COM3_RS232: communication speed 9600bps, 1 start bit, 8 bit data positions, 1 position of rest, no parity, the CRC check mode is adopted in bug check
The intelligent platform in power station issues data packet format:
Tributary address: exciter control system takies 1 tributary address, is defaulted as 1
Function code: the operation code that slave station will be carried out is informed by main website:
03: the read switch amount;
04: read analog quantity/parameter value;
First address: switching value or analog quantity leave the first address (address reference instructions subordinate list) in slave station in;
Count: main website needs the figure place of read switch amount or the number of analog quantity;
CRC check: the CRC check value of all data in CRC check LO front.
Exciter control system uploading data packet format:
Tributary address: issue packet with the intelligent platform in power station;
Function code: issue packet with the intelligent platform in power station;
Byte number: the number that transmits data;
Data: the data of transmission, an analog quantity high position is front;
CRC check: issue packet with the intelligent platform in power station.
Attention:
1. reading does not exceed address: first address+quantity≤tail address
Two the order between interval >=1500ms
3. this agreement can read all switching values, analog quantity and parameter value, and the user can read corresponding data as required
The remote signalling, the remote measurement that are sent to unified platform measure address and are defined as follows:
Remote signalling (switching value) storage address and definition (switching value is first sent out least-significant byte, sends out afterwards most-significant byte)
Claims (2)
1. data by automatic excitation adjustor of generator are sent to the method in intelligent power station, it is that the operational factor of automatic excitation adjustor of generator, running status, power cabinet commutated current and controllable silicon fault-signal, degaussing switch duty are sent on intelligent platform by computer network, it is characterized in that: GEC-300 type exciter control system comprises adjustment of field excitation cabinet, intelligent rectifier cabinet, demagnetization cabinet, exciting transformer; Expansion communication unit (ECU) and two cover automatic voltage regulator (AVR) wherein are housed in the adjustment of field excitation cabinet, in the side-lower of adjustment of field excitation cabinet, adding an IEC61850 protocol converter is CSC-1312 IEC61850 converter, communication port by expansion communication unit (ECU) purl machine is the COM3 mouth, the communication information that the data of purl machine monitoring software are exported via the MODBUS agreement is read into protocol converter, then converts these information the output of to IEC61850 agreement by protocol converter;
Concrete step is as follows:
1), at first the automatic voltage regulator of GEC-300 type exciter control system (AVR) passes to expansion communication unit (ECU) by the excitation data via connection, the display by ECU also adopts the software that labview writes to carry out data demonstration and data transmission;
2), the COM3 mouth of expansion communication unit (ECU) adopts the MODBUS communications protocol, by CSC-1312 IEC61850 converter, realize that the MODBUS agreement turns the IEC61850 agreement, complete protocol conversion and need to use the supporting ConfigTool.exe tool making template of CSC-1312 IEC61850 converter, generate the .icd file, as: gec300[CRC=3D35] .icd, thereby adopt the IEC61850 agreement to be uploaded to the intelligent platform in power station, realize the purpose of the intelligent platform communication in GEC-300 type exciter control system and power station; The MODBUS agreement is adopted in the input of CSC-1312 IEC61850 converter, the RTU coded system, master and slave communication modes, the intelligent platform in power station is main website, the GEC-300 exciter control system is slave station, tributary address is defaulted as 1(1～255 and can selects arbitrarily), exciter control system is ignored bad command; The IEC61850 agreement is used in output, by IEC61850 agreement and intelligent power station, carry out communication, thereby intelligent power station can receive the data of GEC-300 field regulator.
2. according to a kind of data by automatic excitation adjustor of generator described in claim 1, be sent to the method in intelligent power station, it is characterized in that the interface mode of described CSC-1312 IEC61850 converter, for being input as RS232, is output as network interface; Data layout: communication speed 9600bps, 1 start bit, 8 bit data positions, 1 position of rest, no parity, the CRC check mode is adopted in bug check;
Issue data packet format:
Tributary address: exciter control system takies 1 tributary address, is defaulted as 1
Function code: the operation code that slave station will be carried out is informed by main website:
03: the read switch amount;
04: read analog quantity/parameter value;
First address: switching value or analog quantity leave the first address (address reference subordinate list) in slave station in;
Count: main website need to read number or the switching value register quantity of analog quantity;
CRC check: the CRC check value of all data in CRC check LO front;
Exciter control system uploading data packet format:
Tributary address: issue packet with the intelligent platform in power station;
Function code: issue packet with the intelligent platform in power station;
Byte number: the number that transmits data; (getting least-significant byte)
Data: the data of transmission, an analog quantity high position are front, and low level is rear;
The corresponding register value of switching value;
CRC check: together issue with packet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102588954A CN103412510A (en) | 2013-06-26 | 2013-06-26 | Method for transmitting data of generator excitation regulator to intelligent power station |
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| CN2013102588954A CN103412510A (en) | 2013-06-26 | 2013-06-26 | Method for transmitting data of generator excitation regulator to intelligent power station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929439A (en) * | 2014-05-07 | 2014-07-16 | 昆山华恒焊接股份有限公司 | Data transmission method and MODBUS server |
| CN106444509A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Integrated monitoring method for power generation state of generator |
| CN110346722A (en) * | 2019-07-04 | 2019-10-18 | 国电南瑞科技股份有限公司 | A kind of generator excited system on-line monitoring trouble-shooter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741023A (en) * | 1986-12-23 | 1988-04-26 | General Electric Company | On-line test and diagnostic system for power system stabilizer |
| CN1777018A (en) * | 2005-12-12 | 2006-05-24 | 天津理工大学 | DSP Chip-based excitation controller communication system and its method for realizing USB protocol |
| CN101304231A (en) * | 2008-06-27 | 2008-11-12 | 上海发电设备成套设计研究院 | Communication measurement control system based on generator microcomputer excitation system |
| KR20120029199A (en) * | 2010-09-16 | 2012-03-26 | 에스디엔 주식회사 | Monitoring and control system for standalone generation |
| CN202196290U (en) * | 2011-08-02 | 2012-04-18 | 成都酷玩网络科技有限公司 | Remote monitoring system of synchronous excitation motor |
-
2013
- 2013-06-26 CN CN2013102588954A patent/CN103412510A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741023A (en) * | 1986-12-23 | 1988-04-26 | General Electric Company | On-line test and diagnostic system for power system stabilizer |
| CN1777018A (en) * | 2005-12-12 | 2006-05-24 | 天津理工大学 | DSP Chip-based excitation controller communication system and its method for realizing USB protocol |
| CN101304231A (en) * | 2008-06-27 | 2008-11-12 | 上海发电设备成套设计研究院 | Communication measurement control system based on generator microcomputer excitation system |
| KR20120029199A (en) * | 2010-09-16 | 2012-03-26 | 에스디엔 주식회사 | Monitoring and control system for standalone generation |
| CN202196290U (en) * | 2011-08-02 | 2012-04-18 | 成都酷玩网络科技有限公司 | Remote monitoring system of synchronous excitation motor |
Non-Patent Citations (3)
| Title |
|---|
| 刘双 等: "IEC61850标准在变电站自动化系统中的应用", 《供用电》 * |
| 张雪美 等: "基于ModBus协议的发电机微机励磁实验装置内部通信方式及实验", 《测控技术》 * |
| 杨树涛 等: "小浪底桥沟电站综合自动化系统设计与实现", 《中国农村水利水电》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103929439A (en) * | 2014-05-07 | 2014-07-16 | 昆山华恒焊接股份有限公司 | Data transmission method and MODBUS server |
| CN103929439B (en) * | 2014-05-07 | 2017-08-18 | 昆山华恒焊接股份有限公司 | A kind of data transmission method and MODBUS server |
| CN106444509A (en) * | 2016-10-20 | 2017-02-22 | 重庆赛能软件技术有限公司 | Integrated monitoring method for power generation state of generator |
| CN110346722A (en) * | 2019-07-04 | 2019-10-18 | 国电南瑞科技股份有限公司 | A kind of generator excited system on-line monitoring trouble-shooter |
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Application publication date: 20131127 |