CN102541014B - Thermotechnical electrical integrated control system for thermal power plant - Google Patents
Thermotechnical electrical integrated control system for thermal power plant Download PDFInfo
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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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- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a system for realizing thermotechnical electrical integrated control of a power plant. The system comprises a unit set, a booster station and a thermotechnical electrical integrated monitoring master station, wherein the monitoring master station is connected with a decentralized processing unit (controller DPU) through a monitoring layer network, thereby forming a system real-time information backbone network for collecting and managing data information between the monitoring master station and the decentralized processing unit; and meanwhile, an electric communication card is used for finishing the data collection and management of various electric intelligent devices; in the electric devices, the devices closely related to a production technology are incorporated into the decentralized processing unit, the device control is finished and the process automation is emphasized; and in the electric devices, a plant power supply, an incorporated unit related to the booster station and public electric devices are monitored and the monitoring is emphasized. In the system provided by the invention, the control functions of the electric devices and the thermotechnical device of the power plant are seamlessly fused, and the system is fully oriented to a process flow of electrical production.
Description
Technical field
The invention belongs to technical field of power systems, be particularly related to the control of the full factory in generating plant unified hardware and software platform is provided.
Background technology
Enforcement along with national energy policy, energy-saving and cost-reducing and raising reliability is the essential requirement that on-road efficiency improves in thermal power plant, simultaneously, Electricity Monitoring Commission in 2008 has issued " the factory's assistant service management implementation detailed rules and regulations of generating electricity by way of merging two or more grid systems " and " generating plant be incorporated into the power networks management implementation detailed rules and regulations " in each zone, reliability and the scheduling performance of the unit that generates electricity by way of merging two or more grid systems are examined and are compensated in beginning energetically, and these measures make efficient, safety in operation and the reliability that must continually strengthen the genset operation of thermal power plant.Electricity power group enhances competitiveness in order to adapt to market trend, just progressively improves the layer-management pattern, and power plant's layer is progressively as workshop, and management function is long-range, informationization progressively.And the realization of all these targets all must digitized, unified full factory of dependence be controlled platform, the integrated control platform of full factory that neither one is unified, the just impossible generating plant of realizing digitizing, informationization, long-range, high reliability.
Thermal power plant control integrated design will make and free in the lengthy and tedious maintenance of the control system that many types of formula differs of comforming a large amount of technician, better put on the production technology research, for improving the human resources of the indispensability that the generating plant benefit provides, integrated full factory control system also greatly facilitates information sharing and exchanges data, for production run provides comprehensive data support, simultaneously, save the stock of a large amount of standby redundancies, greatly reduced the operation carrying cost.
Summary of the invention
For realizing the electric integrated control of generating plant thermal technology, merge with the thermal technology is seamless electric, realize that complete face is to the technological process of electrical production.The invention discloses the electric integrated control system of a kind of generating plant thermal technology.
The present invention specifically by the following technical solutions.
The electric integrated control system of a kind of generating plant thermal technology, this system comprise monoblock, booster stations, the electric integrated master station of thermal technology; It is characterized in that:
Described monoblock, booster stations are realized communicating by letter by network respectively with between the electric integrated master station of thermal technology;
Described monoblock realizes network service by network isolating device and described booster stations, and by described network isolating device, monoblock can receive the image data of booster stations, and booster stations can only receive the control command that is sent to booster stations by monoblock;
Described monoblock comprises Thermal Automation system and station service electrical automation system, wherein, the Thermal Automation system comprises dispersion treatment cells D PU, field instrument and topworks, described field instrument transfers to described dispersion treatment unit with the on-site signal of gathering, described dispersion treatment unit is that topworks issues control command, and described dispersion treatment unit links to each other with the supervisory layers network; Described station service electrical automation system comprises the comprehensive protection device of 6KV microcomputer, 380V measure and control device, other electric smart machines and fieldbus main website card, and the comprehensive protection device of described 6KV microcomputer, 380V measure and control device, other electric smart machines link to each other with the supervisory layers network by fieldbus main website card;
Described booster stations mainly comprise the booster stations automated system, the booster stations automated system comprises circuit measure and control device, line protective devices and fieldbus main website card (CA), and circuit measure and control device and line protective devices are linked into the supervisory layers network through fieldbus main website card (CA);
Monoblock is directly uploaded the on-site signal that field instrument is gathered by the supervisory layers network to the electric integrated master station of described thermal technology, and the electric integrated master station of described thermal technology issues control command by the supervisory layers network to the dispersion treatment unit of monoblock; Motor portion 6KV computer integrated protection in the described station service electrical automation system and motor portion 380V measure and control device directly are linked in the dispersion treatment unit by fieldbus main website card, upload the motor image data and issue the Motor Control order by the dispersion treatment unit; 6KV power unit computer integrated protection in the electrical automation system, power unit 380V measure and control device part and other electric smart machine be directly by fieldbus main website card and supervisory layers network connection, finishes the integrated protection of power unit and computer integrated protection and power unit 380V measure and control device steering order that the 6KV power unit was uploaded and issued in the measure and control device Information Monitoring by the fieldbus main website;
Line protective devices in the booster stations and circuit measure and control device are finished line protective devices and the data acquisition of circuit measure and control device and steering order and are issued by fieldbus main website card and supervisory layers network connection;
The integrated monitoring main frame both was connected with monoblock by described monitor network, was connected with booster stations again, finished monoblock and booster stations unified monitoring.
The present invention has following technique effect:
(1) realized generating plant thermal technology, electric unified management, the unified maintenance, avoided the situation that occurs doing things in his own way, effectively reduced power plant cost, increased work efficiency;
(2) unified network structure and database reaches transparent, the data sharing of whole network data, eliminates information island, gives full play to power plant's benefit;
(3) unified hardware platform reduces the spare part kind, is convenient to management and repair and maintenance;
(4) unified software platform, unified display styles has improved system failure self-checking capability, is convenient to operations staff's training and management.
Description of drawings
Fig. 1 is the electric integrated control system structural representation of generating plant thermal technology of the present invention;
Fig. 2 is the Thermal Automation schematic network structure;
Fig. 3 is the electric automatization schematic network structure;
Fig. 4 is booster stations robotization field apparatus schematic network structure.
Embodiment
Below in conjunction with Figure of description and by specific embodiment technical scheme of the present invention is described in further detail.
Fig. 1 is the electric integrated control system structural representation of generating plant thermal technology.Mainly comprise master station, monoblock and synergic system.Monoblock is made of Thermal Automation system and station service electrical automation system, and synergic system has formations such as booster stations automated system.The server of master station not only had been connected but also had been connected with synergic system with monoblock dispersion treatment unit (being controller DPU) by supervisory layers network (Ethernet), construction system real-time information backbone network, be responsible for and the dispersion treatment unit between data information acquisition and management; Between monoblock and the synergic system key-course spacer assembly is set, both can realizes exchanges data between unit control station and the public control station by C-NET; Can realize the isolation between monoblock and the synergic system again, avoid interacting between the network.Monoblock is directly uploaded the data that field instrument is gathered by the dispersion treatment unit, issues control command to topworks by the dispersion treatment unit simultaneously; The 6KV computer integrated protection (motor) of station service electrical automation system and 380V measure and control device (motor) part is directly blocked in the dispersion treatment unit that is linked in the Thermal Automation system by the fieldbus main website in the monoblock, finishes by the dispersion treatment unit and uploads data and issue the control order; 6KV computer integrated protection (power supply) in the station service electrical automation system of monoblock, 380V measure and control device (power supply) part and other electric smart machines directly are connected with monitor network by fieldbus main website card, finish by fieldbus main website card and upload data and issue the control order.Circuit measure and control device in the booster stations is connected with monitor network by fieldbus main website card with line protective devices, and data acquisition and the control order of finishing circuit measure and control device and line protective devices issue.The integrated monitoring main frame both was connected with the monoblock monitor network, was connected with the synergic system monitor network again, finished monoblock and booster stations unified monitoring.
Fig. 2 is the Thermal Automation system network architecture.This network structure is divided into three layers according to function, i.e. supervisory layers, key-course and field layer.Field layer comprises field instrument and topworks, and key-course comprises dispersion treatment unit (controller DPU) and I/O integrated circuit board, and the dispersion treatment unit is connected to described field instrument and topworks by the I/O integrated circuit board, and supervisory layers comprises described integrated monitoring main website.The data acquisition of field instrument and the control function of topworks are finished by the data communication between DP-NET realization and the I/O integrated circuit board in the dispersion treatment unit; High-speed real-time control network is formed by C-NET in each dispersion treatment unit, finishes the data communication between the dispersion treatment unit; Supervisory layers is finished exchanges data between the integrated monitoring main website and the exchanges data between integrated monitoring main website and the key-course by O-NET, and can insert the PLC of other producers in the integrated monitoring main website, finishes the integration with other auxiliary control systems.Described field instrument, topworks can link to each other with described I/O integrated circuit board by hardwire, and also directly address card links to each other with described dispersion treatment unit, support multiple standards field bus protocols such as Profibus, CAN, LonWorks.
Fig. 3 is station service electrical automation system network structure.This network structure is divided three layers of supervisory layers, Control on Communication layer and walls from top to bottom; supervisory layers comprises the integrated monitoring main website; the Communication Control layer comprises fieldbus main website card, and wall comprises 6KV computer integrated protection, 380V measure and control device motor and power unit, other electric intelligent protection devices.Control on Communication layer and bay device can disperse the configuration that distributes, and are easy to plant maintenance and system extension.Supervisory layers is finished data collection, processing, demonstration, the function for monitoring to whole station service electric automatization network.The Control on Communication layer is finished the real-time information exchange between supervisory layers and the wall, realizes collection and the control function of the electric smart machine relevant with the station service power supply.Wall is made up of 6KV computer integrated protection, 380V measure and control device motor and power unit, other electric intelligent protection devices; finish protection, measurement, the control function of electrical equipment on the spot, communicate by letter with the Control on Communication layer by communication modes such as fieldbus, Industrial Ethernet.6KV computer integrated protection (motor) and 380V measure and control device (motor) directly are linked in the dispersion treatment unit of Thermal Automation system by fieldbus main website card, finish by the dispersion treatment unit and upload data and issue the control order; 6KV computer integrated protection (power supply), 380V measure and control device (power supply) part and other electric smart machines directly are connected with monitor network by fieldbus main website card, finish the data of uploading that 6KV computer integrated protection (power supply), 380V measure and control device (power supply) part and other electric smart machines adopt by fieldbus main website card and make with issuing to control.
Fig. 4 is booster stations automation system network structure.Mainly finish monitoring function, operation control function, remote moving function, operation order function, system autodiagnosis and maintenance etc. certainly.According to the scope that monitors, controls, manages equipment is divided into supervisory layers, key-course, three levels of wall (field layer); supervisory layers mainly comprises the integrated monitoring main website; key-course mainly comprises address card, and wall mainly comprises line protective devices and circuit measure and control device.Supervisory layers equipment is responsible for monitoring, control, managing the information at whole station; Key-course is responsible for station level is uploaded in the information collection of bay device, and this layer major equipment is fieldbus main website card.Fieldbus main website card is used for line attachment protective device and circuit measure and control device, realizes the data acquisition of line protective devices and measure and control device and issues control command.Address card can be transferred to the scene, is installed on the spot on the switch cubicle, also can install by group screen.
Claims (2)
1. electric integrated control system of generating plant thermal technology, this system comprises monoblock, booster stations, the electric integrated master station of thermal technology; It is characterized in that:
Described monoblock, booster stations are realized communicating by letter by the supervisory layers network respectively with between the electric integrated master station of thermal technology;
Described monoblock realizes network service by network isolating device and described booster stations, by described supervisory layers network isolating device, monoblock can receive the image data of booster stations, and booster stations can only receive the control command that is sent to booster stations by monoblock;
Described monoblock comprises Thermal Automation system and station service electrical automation system, wherein, the Thermal Automation system comprises dispersion treatment cells D PU, field instrument and topworks, described field instrument transfers to described dispersion treatment unit with the on-site signal of gathering, described dispersion treatment unit is that topworks issues control command, and described dispersion treatment unit links to each other with the supervisory layers network; Described station service electrical automation system comprises 6KV computer integrated protection, 380V measure and control device and fieldbus main website card, and described 6KV computer integrated protection, 380V measure and control device link to each other with the supervisory layers network by fieldbus main website card;
Described booster stations mainly comprise the booster stations automated system, the booster stations automated system comprises circuit measure and control device, line protective devices and fieldbus main website card (CA), and circuit measure and control device and line protective devices are linked into the supervisory layers network through fieldbus main website card (CA);
Monoblock is directly uploaded the on-site signal that field instrument is gathered by the supervisory layers network to the electric integrated master station of described thermal technology, and the electric integrated master station of described thermal technology issues control command by the supervisory layers network to the dispersion treatment unit of monoblock; Motor portion 6KV computer integrated protection in the described station service electrical automation system and motor portion 380V measure and control device directly are linked in the dispersion treatment unit by fieldbus main website card, upload the motor image data and issue the Motor Control order by the dispersion treatment unit; 6KV power unit computer integrated protection in the station service electrical automation system, power unit 380V measure and control device part are directly by fieldbus main website card and supervisory layers network connection, finish uploading of power unit 6KV power unit computer integrated protection, the Information Monitoring of power unit 380V measure and control device by fieldbus main website card, and issue computer integrated protection and the power unit 380V measure and control device steering order of 6KV power unit;
Line protective devices in the booster stations and circuit measure and control device are finished line protective devices and the data acquisition of circuit measure and control device and steering order and are issued by fieldbus main website card and supervisory layers network connection;
The integrated monitoring main frame both was connected with monoblock by described supervisory layers network, was connected with booster stations again, finished monoblock and booster stations unified monitoring.
2. the electric integrated control system of generating plant thermal technology according to claim 1 is characterized in that:
Described field instrument, topworks link to each other with described dispersion treatment unit after can being connected to the I/O integrated circuit board by hardwire again, also can directly link to each other with described dispersion treatment unit by fieldbus main website card, support Profibus, CAN, LonWorks standard field bus protocol.
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| CN2012100072316A CN102541014B (en) | 2012-01-11 | 2012-01-11 | Thermotechnical electrical integrated control system for thermal power plant |
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| CN103034220A (en) * | 2012-12-28 | 2013-04-10 | 北京四方继保自动化股份有限公司 | An integrated controller for a power plant |
| CN103197658B (en) * | 2013-04-22 | 2015-04-22 | 北京四方继保自动化股份有限公司 | Data processing method for electrical and thermal integrated control system for power plant |
| CN103728936A (en) * | 2013-12-13 | 2014-04-16 | 中国神华能源股份有限公司 | Device, method and control system of power plant electric thermal integration control |
| CN109189022B (en) * | 2018-09-13 | 2020-12-08 | 华电电力科学研究院有限公司 | Thermal power factory thermal automation system integral framework |
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| CN1267796C (en) * | 2003-08-14 | 2006-08-02 | 北京四方华能电网控制系统有限公司 | Electric automation system of power plant |
| CN101154213A (en) * | 2006-09-27 | 2008-04-02 | 上海电气集团股份有限公司 | Simulation platform of macrotype power station integrated automation system |
| CN101183259B (en) * | 2007-12-13 | 2010-06-16 | 南方电网技术研究中心 | Coordinated control system and control method for multiple control devices in power system |
| EP2283403B1 (en) * | 2008-05-16 | 2015-08-26 | ABB Technology AG | System and method for implementing a power control application in a distributed control system using iec61850 |
| JP2011113415A (en) * | 2009-11-27 | 2011-06-09 | Hitachi Ltd | Control system and cpu unit |
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