CN201897726U - Automatic monitoring system for hydraulic power plant - Google Patents

Automatic monitoring system for hydraulic power plant Download PDF

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Publication number
CN201897726U
CN201897726U CN2010205456709U CN201020545670U CN201897726U CN 201897726 U CN201897726 U CN 201897726U CN 2010205456709 U CN2010205456709 U CN 2010205456709U CN 201020545670 U CN201020545670 U CN 201020545670U CN 201897726 U CN201897726 U CN 201897726U
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CN
China
Prior art keywords
monitoring
computer
station
power plant
monitor screen
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Expired - Fee Related
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CN2010205456709U
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Chinese (zh)
Inventor
童淮安
陈加均
李飞龙
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GUOWANG NANZI HOLDING (HANGZHOU) CO Ltd
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GUOWANG NANZI HOLDING (HANGZHOU) CO Ltd
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Priority to CN2010205456709U priority Critical patent/CN201897726U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The utility model relates to an automatic monitoring system for a hydraulic power plant, which comprises a computer monitoring station and hydraulic power plant ordinary control equipment, and is characterized in that the computer monitoring station establishes communication with a communication management computer through an Ethernet; the communication management computer is respectively connected with a protection device, gauges and a PLC (programmable logic controller)logic monitor screen cabinet by a data bus; the PLC logic monitor screen cabinet establishes communication with a synchronizing device and the hydraulic power plant ordinary control equipment respectively through data buses; and the PLC logic monitor screen cabinet performs logic processing on the acquired information and transmits the information to the computer monitoring station. The automatic monitoring system is based on a computer monitoring system and realizes the full-automatic control of the whole hydraulic power plant (even a cascade power plant or the whole flow domain) in the aspects of hydrological measurement and forecasting, the start-up/shutdown control of machine sets, working condition monitoring, the start-up/shutdown control of auxiliary/public equipment, working condition monitoring, load distribution and the operation of power transmission lines; in addition, the automatic monitoring system also can carry out omnibearing automatic monitoring such as real-time data communication with the higher level dispatch department.

Description

The Automation of Hydropower Station supervisory system
Technical field
The utility model belongs to a kind of supervisory system, is specifically related to a kind of Automation of Hydropower Station supervisory system.
Background technology
Electric power is that modernization industry is produced and the indispensable power capacity of living, and hydropower is a class of power industry.If the power station does not have complex automatic system, but rely on traditional manually-operated control, to be difficult to satisfy the needs of market competition, in order to satisfy the requirement of society to the high-quality electric energy, in order to improve the quality of power supply and generating efficiency, need be to carrying out comprehensive automation transformation based on the control model of routine control, manually-operated in the power station based on computer supervisory control system; Should design and implement by the comprehensive automation requirement newly-built power station, make the power station progressively realize few people on duty, finally reach the target of unattended (or few man on duty).
The power station is located in remote mountain area mostly, away from cities and towns, the worker lives among the relatively poor environment for a long time, it is exactly work and living environment in order to improve vast water power worker that another purpose that comprehensive automation transforms is carried out in the power station, replace numerous and diverse work such as manually-operated and regularly tours of inspection, record with computer supervisory control system, realize unattended (or few man on duty).
Summary of the invention
Technical problem to be solved in the utility model is: a kind of real-time monitoring, automatically-monitored Automation of Hydropower Station supervisory system are provided.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of Automation of Hydropower Station supervisory system; comprise computer monitoring station, the conventional opertaing device in power station; it is characterized in that: the computer monitoring station communicates to connect by Ethernet and communication manager; communication manager is connected with protective device, instrument, PLC logic monitor screen cabinet respectively by data bus; PLC logic monitor screen cabinet communicates to connect with synchronous device, the conventional opertaing device in power station respectively by data bus, and described PLC logic monitor screen cabinet is handled the infologic that collects and is transferred to the computer monitoring station by communication manager.
Described PLC logic monitor screen cabinet comprises PLC logic supervising device, signal pickup assembly and display screen, and the conventional opertaing device in power station is connected with signal pickup assembly, and PLC logic supervising device communicates to connect with signal pickup assembly, display screen respectively.
Each conventional opertaing device of described power station is connected in parallel on the common data-bus by data bus and communicates to connect with signal pickup assembly.
Described computer monitoring station comprises total activation chamber computing machine and background computer, and described total activation chamber computing machine communicates to connect by background computer and communication manager.
Adopt said structure, the utility model is based upon based on the computer supervisory control system, whole power station (even step hydropower station or whole basin) observed and predicted from the hydrology, unit opens/stops control, operating condition monitoring, auxiliary/shared device open/stop control, operating condition monitoring, burden apportionment, automatic control up to transmission line of electricity operation overall process, and can carry out comprehensive automatic monitorings such as real-time data communication exactly with upper level traffic department, PLC logic supervising device also is transferred to the backstage by communications manager with various information, the operations staff adjusts ruuning situation according to display message Centralized Monitoring power station, backstage, thereby has realized the function of automatic monitoring.All monitoring functions move on a main frame, and are simple, reliable, cost is low.The utility model is applicable to below the unit single-machine capacity 2000kW, to the less demanding power station of supervisory system.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Embodiment
Referring to Fig. 1, a kind of Automation of Hydropower Station supervisory system, system comprise computer monitoring station 1, the conventional opertaing device 2 in power station, communication manager 3, power station GPF (General Protection False device 4, PLC logic monitor screen cabinet 6, instrument 5, synchronous device 7 and printer 13.Computer monitoring station 1 communicates to connect by Ethernet and communication manager 3; communication manager 3 is connected with protective device 4, instrument 5, PLC logic monitor screen cabinet 6 respectively by RS485 or RS232 bus, and PLC logic monitor screen cabinet 6 communicates to connect with synchronous device 7, the conventional opertaing device 2 in power station respectively by RS485 or RS232.Computer monitoring station 1 configuration high-performance (brand) industrial computer is as workstation, adopt the two-node cluster hot backup multi-media architecture, computer monitoring station 1 comprises total activation chamber computing machine 11 and background computer 12, total activation chamber computing machine 11 is connected with communication manager 3 by background computer 12, instrument 5 comprises voltage table, reometer, each cover of the 7 configuration conventional manual same periods of synchronous device and microcomputer automatic sub-synchronous device, the effect of synchronous device is to guarantee normally being incorporated into the power networks of genset.The CSA880 series communication manager that communication manager can adopt Shanghai sincerity Electric Applicance Co., Ltd to produce, the perhaps universal communication supervisor of Siemens Company, ABB AB, the BSP-9301 intelligence automatic paralleling device that synchronous device can adopt Beijing Si Dabotai electric equipment company limited to produce, the perhaps general synchronous device of Siemens Company, ABB AB.
PLC logic monitor screen cabinet 6 comprises PLC logic supervising device, signal pickup assembly and display screen, the conventional opertaing device 2 in power station is connected with signal pickup assembly, PLC logic supervising device respectively with signal pickup assembly, display screen connects, PLC logic supervising device can adopt universal Programmable Logic Controller (PLC), Unity Quantum series as Schneider company, the S7 series of Siemens Company etc., display screen is mainly used in the demonstration of each signal data, signal pickup assembly is responsible for the signals collecting work to the conventional opertaing device 2 in power station, the conventional opertaing device 2 in power station mainly contains: direct current cabinet, high-tension switch cabinet, excitation cubicle, governor cabinet, genset, valve, each signal data is respectively: the direct current cabinet signal, the high-tension switch cabinet signal, the excitation cubicle signal, the governor cabinet signal, the genset signal, the valve signal, the conventional opertaing device 2 in each power station is connected in parallel on the common data-bus by RS485 or RS232 data bus and communicates to connect with signal pickup assembly.The information of the conventional opertaing device 2 in each power station is gathered and is transferred to PLC logic monitor screen cabinet 6 by signal pickup assembly, simply judge, adjust ruuning situation by PLC logic supervising device according to logical program.PLC logic monitor screen cabinet 6 is handled the infologic that collects and is transferred to background computer 12 by communication manager; the operations staff adjusts ruuning situation according to background computer 12 display message Centralized Monitoring power stations; background computer 12 is controlled by 3 pairs of protective devices 4 of communication manager; protective device 4 can be made up of power station GPF (General Protection False devices such as generator protection measure and control device, tranformer protection measure and control device and line protective devices, and protected mode is mainly as follows:
1, genset configuration generator differential protection is as main protection, and stator grounding and rotor earth fault protection are disposed in current/voltage protection protection in support simultaneously.Join unit LCU unit and shared device are carried out terrain Monitoring and Controlling and debugging.Guarantee the system stability reliability service.
2, the protection of main transformer configuration main transformer differential is as main protection, and current/voltage protection conduct is protected as the back of high and low pressure side respectively.Dispose public measure and control device according to different situations signals such as gear are monitored processing.
Can carry out parallel operation to eight objects at most, not need to add route selection equipment, system can realize automaticallying switch.
Communication function: can realize data acquisition with various field unit communications.A plurality of communication ports and multiple communication protocol are provided; can communicate with the protection measure and control device of locality monitoring, dispatching system, supervising device, multiple electric energy meter, different manufacturers, intelligent power module, GPS etc.; each communication port function can dispose arbitrarily, supports a plurality of mouthfuls of same stipulations of operation.Can carry out telecontrol communication with higher level's scheduling simultaneously, telemechanical is supported CDT/101 stipulations or other stipulations promulgated by the ministries or commissions of the Central Government.
The utility model is based on the computer supervisory control system, whole power station (even step hydropower station or whole basin) observed and predicted from the hydrology, unit opens/stops control, operating condition monitoring, auxiliary/shared device open/stop control, operating condition monitoring, burden apportionment, automatic control up to transmission line of electricity operation overall process, and can carry out comprehensive automatic monitorings such as real-time data communication exactly with upper level traffic department, PLC logic supervising device also is transferred to background computer 12 by communication manager 3 with various information, the operations staff adjusts ruuning situation according to background computer 12 display message Centralized Monitoring power stations, thereby realized the function of automatic monitoring, according to computing machine in Monitoring and Control System for Hydropower Station effect and with the relation of conventional watch-dog (computer supervisory control system should possess remote measurement, remote control, remote signalling, the function of remote regulating (i.e. " four is distant ")), following three kinds of patterns are generally arranged:
(1) based on conventional opertaing device, computing machine is auxilliary;
(2) based on computing machine, conventional opertaing device is auxilliary;
(3) all computer supervisory system of the conventional opertaing device of cancellation.
The supervisory system that can select different mode respectively for use according to the installed capacity size in power station, effect in electrical network and concrete condition separately.The power station of general new build a power station and satisfy the requirements (conditions such as fund, technology and generating permission) is fit to select the third pattern, so that reach the purpose that settles at one go.For the transformation in the old-fashioned power station that is subjected to other condition restriction, can consider first, second two kinds of patterns respectively as transition, these wherein various patterns are at the concrete condition in power station separately, and are also slightly different when design.

Claims (4)

1. Automation of Hydropower Station supervisory system; comprise computer monitoring station (1); the conventional opertaing device (2) in power station; it is characterized in that: computer monitoring station (1) communicates to connect by Ethernet and communication manager (3); communication manager (3) by data bus respectively with protective device (4); instrument (5); PLC logic monitor screen cabinet (6) connects; PLC logic monitor screen cabinet (6) by data bus respectively with synchronous device (7); the conventional opertaing device in power station (2) communicates to connect, and described PLC logic monitor screen cabinet (6) is handled the infologic that collects and is transferred to computer monitoring station (1) by communication manager (3).
2. a kind of Automation of Hydropower Station supervisory system according to claim 1, it is characterized in that: described PLC logic monitor screen cabinet (6) comprises PLC logic supervising device (8), signal pickup assembly (9) and display screen (10), the conventional opertaing device in power station (2) is connected with signal pickup assembly (9), and PLC logic supervising device (8) communicates to connect with signal pickup assembly (9), display screen (10) respectively.
3. a kind of Automation of Hydropower Station supervisory system according to claim 2 is characterized in that: each conventional opertaing device (2) of described power station is connected in parallel on the common data-bus by data bus and communicates to connect with signal pickup assembly (9).
4. according to claim 1 or 2 described a kind of Automation of Hydropower Station supervisory systems, it is characterized in that: described computer monitoring station (1) comprises total activation chamber computing machine (11) and background computer (12), and described total activation chamber computing machine (11) communicates to connect by background computer (12) and communication manager (3).
CN2010205456709U 2010-09-28 2010-09-28 Automatic monitoring system for hydraulic power plant Expired - Fee Related CN201897726U (en)

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CN2010205456709U CN201897726U (en) 2010-09-28 2010-09-28 Automatic monitoring system for hydraulic power plant

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520704A (en) * 2011-12-31 2012-06-27 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device
CN103646575A (en) * 2013-12-13 2014-03-19 国家电网公司 Hydropower station operation simulation training device
CN106066628A (en) * 2016-07-28 2016-11-02 重庆中皓智云电气有限公司 Power station intelligent management system
CN107018012A (en) * 2017-03-09 2017-08-04 贵州黔源电力股份有限公司 A kind of step hydropower station industrial television centralized watch main station system
CN109839911A (en) * 2019-01-03 2019-06-04 贵州乌江水电开发有限责任公司索风营发电厂 A kind of Automation of Hydropower Station system LCU for generator set control system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520704A (en) * 2011-12-31 2012-06-27 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device
CN102520704B (en) * 2011-12-31 2014-03-05 哈尔滨五联电气设备有限责任公司 Nuclear power generator test device
CN103646575A (en) * 2013-12-13 2014-03-19 国家电网公司 Hydropower station operation simulation training device
CN103646575B (en) * 2013-12-13 2016-03-30 国家电网公司 Hydroelectric station operation simulation trainer
CN106066628A (en) * 2016-07-28 2016-11-02 重庆中皓智云电气有限公司 Power station intelligent management system
CN107018012A (en) * 2017-03-09 2017-08-04 贵州黔源电力股份有限公司 A kind of step hydropower station industrial television centralized watch main station system
CN109839911A (en) * 2019-01-03 2019-06-04 贵州乌江水电开发有限责任公司索风营发电厂 A kind of Automation of Hydropower Station system LCU for generator set control system

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Granted publication date: 20110713

Termination date: 20140928

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