CN104965499A - High-and-low-voltage cabinet long-distance programmed control system and method - Google Patents
High-and-low-voltage cabinet long-distance programmed control system and method Download PDFInfo
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- CN104965499A CN104965499A CN201510381709.5A CN201510381709A CN104965499A CN 104965499 A CN104965499 A CN 104965499A CN 201510381709 A CN201510381709 A CN 201510381709A CN 104965499 A CN104965499 A CN 104965499A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 62
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000006855 networking Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31135—Fieldbus
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- Engineering & Computer Science (AREA)
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- Manufacturing & Machinery (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a high-and-low-voltage cabinet long-distance programmed control system and a method. The high-and-low-voltage cabinet long-distance programmed control system comprises an upper computer system monitoring layer, a communication management layer and a field protection measurement and control unit layer, wherein the upper computer system monitoring layer comprises a satellite clock receiving and synchronizing system, a server and a monitoring host; the server is communicated with the satellite clock receiving and synchronizing system and the monitoring host; the communication management layer comprises a main control unit and realizes uploading and issuing of various data and instructions; and devices of the field protection measurement and control unit layer are communicated with the upper computer system monitoring layer through the communication management layer. The beneficial effects are that control signals, protection signals, measurement signals, alarm signals and the like are processed into data information in a local unit on the basis of a microcomputer integrated relay protection device and a measurement and control device and then transmitted to a monitoring computer in a main control room through a field communication bus, thereby fully meeting requirements such as measurement, protection, control and the like of users for electrical equipment.
Description
Technical field
The present invention relates to switch cubicle remote control technology field, particularly relate to the long-range stored program controlled of a kind of high-low pressure cabinet and method.
Background technology
At present, be widely used with the generating plant scattered control system (DCS) that Thermal Automation is leading, but mostly lay particular emphasis on steam turbine and boiler, consider less to electrical system, machine stove and electrically between control and automatization level inharmonious.Traditional power plants electrical automation system adopts physics hardwire and a large amount of hardware device such as transmitter, I/O fastener to gather electric information, control electrical equipment; measurement, the protection act of electrical system, adjust, the information such as emergency review cannot fully react on DCS, also just cannot realize the function such as analysis and management of electric specialty on DCS.
In power plant auxiliary system, each switch cubicle all needs installing measurement instrument and protective device, to meet operations staff and electrical overhaul personnel to the monitoring of equipment and maintenance requirement.Traditional way is, by control cables, various information is delivered to DCS, due to the restriction by DCS and cable investment, just information important for part is delivered to DCS, and a large amount of information still needs to run, and need maintainer to check to scene, workload is quite large.
Can say, current electrical system enters the level of DCS, just former control flow is put into the display of DCS, and the needs that only can meet day-to-day operation operation and monitor, the monitoring and management of electrical system still rests on former level.
The current electric local mounted secondary device overwhelming majority realizes intellectuality, and its powerful communication management function is underutilized.Thus, how to make full use of existing protection measuring and controlling equipment, in conjunction with advanced, reliable communication network technique, cancel the legacy equipments such as original hardwire, transmitter, making power plant's overall salary strategy, digitizing, is the problem needing solution badly.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, provide the long-range stored program controlled of a kind of high-low pressure cabinet and method, this system and method both can reduce originally a large amount of hardwires, above-mentioned controlling functions can be realized again at DCS, also write to each other by interface switchboard and SIS (plant level supervisory information system), MIS (management information system) etc., to reach the object of information sharing.
For achieving the above object, the present invention adopts following technical proposals:
The long-range stored program controlled of a kind of high-low pressure cabinet, comprising: master system supervisory layers, communication management layer and scene protection measurement and control unit layer;
Described master system supervisory layers comprises: satellite clock receives and synchro system, server and monitoring host computer; Described server receives with satellite clock and communicates respectively with synchro system, monitoring host computer;
Described communication management layer comprises communication main control unit, for by different for scene protection measurement and control unit layer communication interface together with the equipment connection of stipulations, receive and transmit data, realizing various data and uploading of instruction issues;
Described scene protection measurement and control unit layer comprises the original various measurement mechanism in generating plant, protective device, communicator and control device;
Each equipment of described scene protection measurement and control unit layer communicates with master system supervisory layers respectively by communication management layer.
Described server comprises: the runtime server of main and standby relation each other: for controlling operation and the stopping of scene protection measurement and control unit layer equipment;
Database server: for storing the service data controlling scene protection measurement and control unit layer;
Web server: for realizing long-range issue.
Described monitoring host computer comprises:
Run main frame: for the on-site supervision to each equipment of scene protection measurement and control unit layer;
Monitor main frame: for checking the service data of each equipment of scene protection measurement and control unit layer, and abnormal data is reported to the police;
Electricity kilowatt meter reading-out system main frame: for gathering information about power.
Described communication main control unit supports polytype communication port simultaneously, comprises Ethernet, serial communication port, other field-bus interfaces open-ended, supports MODBUS, computer network with standard network protocol simultaneously.
Each equipment of described scene protection measurement and control unit layer is divided into some groups, by the fieldbus communication main control unit that networking is extremely corresponding respectively.
In each equipment of described scene protection measurement and control unit layer; the equipment relevant to motor load protection and test is divided at same group; access corresponding communication main control unit; the dispersion treatment cells D PU one_to_one corresponding of main control unit and generating plant scattered control system, realizes main control unit and dispersion treatment cells D PU carries out communication one to one.
In each equipment of described scene protection measurement and control unit layer, for the less demanding equipment of Realtime Capability of Communication, carry out exchanges data by Ethernet bridge and master system supervisory layers.
A control method for the long-range stored program controlled of high-low pressure cabinet, comprising:
Original for generating plant equipment is on the spot divided into some groups, by the fieldbus communication main control unit that networking is extremely corresponding respectively;
In each equipment on the spot, divide the equipment relevant to motor load protection and test at same group, access corresponding communication main control unit, the dispersion treatment cells D PU of main control unit and generating plant scattered control system carries out communication one to one; In each equipment on the spot, for the less demanding equipment of Realtime Capability of Communication, carry out exchanges data by Ethernet bridge and master system supervisory layers;
Main control unit by original for generating plant different communication interface together with the equipment connection on the spot of stipulations, receiving equipment data, and described data are sent to monitoring host computer, simultaneously, main control unit receives the order of monitoring host computer and is issued to relevant device, realizes the monitoring to operational outfit.
The invention has the beneficial effects as follows:
System can be connected with DCS by communication modes also can independent operating, both originally a large amount of hardwires can be reduced, can realize above-mentioned controlling functions at DCS again, this system is also write to each other by interface switchboard and SIS, MIS etc., to reach the object of information sharing.
After the signals such as control, protection, measurement, warning are processed into data message by the basis of comprehensive relay protection device for microcomputer and measure and control device in local unit through local communication bus transfer to the supervisory control comuter of master-control room, meet user to the measurement of electrical equipment, the requirement such as protection and control comprehensively.
Exchanges data becomes computer communication mode from hard-wired signals, data volume is large, change and only have important electric parameters just to enter DCS and electrical operation personnel still to need the on-the-spot situation could understanding more equipment details in the past, achieve electric information and robotization veritably, improve operation and management level, creating condition for cutting payroll to improve efficiency.
Just can by respectively equipment connection is to supervisor on the spot with the communication cable of minute quantity, save a large amount of cables from power distribution equipment to DCS I/O cabinet, cost is low, mode of connection simple and flexible, lays workload and the corresponding reduction of installation work expense; Decrease DCS hardware device, alleviate DCS burden, for user saves investment; Simplify secondary connection, system is clear, convenient operation and maintenance.
Accompanying drawing explanation
Fig. 1 is the long-range stored program controlled structural representation of generating plant of the present invention high-low pressure cabinet.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The long-range stored program controlled of a kind of generating plant high-low pressure cabinet, as shown in Figure 1, comprising: master system supervisory layers, communication management layer and scene protection measurement and control unit layer; Each equipment of scene protection measurement and control unit layer communicates with master system supervisory layers respectively by communication management layer.
(1) master system supervisory layers comprises: satellite clock receives and synchro system, server and monitoring host computer; Described server receives with satellite clock and communicates respectively with synchro system, monitoring host computer;
Server comprises: the runtime server of main and standby relation each other: for controlling operation and the stopping of scene protection measurement and control unit layer equipment;
Database server: for storing the service data controlling scene protection measurement and control unit layer;
Web server: for realizing long-range issue.
Monitoring host computer comprises:
Run main frame: for the on-site supervision to each equipment of scene protection measurement and control unit layer;
Monitor main frame: for checking the service data of each equipment of scene protection measurement and control unit layer, and abnormal data is reported to the police;
Electricity kilowatt meter reading-out system main frame: for gathering information about power, that saves that manual site checks meter is arduous and dangerous.
(2) communication management layer comprises main control unit, for by different for scene protection measurement and control unit layer communication interface together with the equipment connection of stipulations, be sent to system monitoring layer through unified communication interface, complete various data and uploading of instruction issues;
Main control unit can support polytype communication port simultaneously, comprises Ethernet, serial communication port, other field-bus interfaces open-ended etc., supports MODBUS, computer network with standard network protocol (TCP/IP) etc. simultaneously.
(3) scene protection measurement and control unit layer comprises the original various measurement mechanism in generating plant, protective device, communicator and control device; Specifically comprise: generator loading protective device, main transformer protection device, automatic sub-synchronous device, microprocessor excitation regulator, microcomputer station service integrated protection and monitoring device, microcomputer auxiliary power high-speed transfer device, microcomputer automatic switching device of standby power supply, microcomputer house branch bus protective device, microcomputer synchronization closing device, intelligent electrical apparatus release and microcomputer backup auto-activating device etc. equipment on the spot.
In view of the number of devices of scene protection measurement and control unit layer is numerous; in order to ensure real-time and the reliability of system; these equipment are divided into some groups; by fieldbus, networking is to corresponding communication main control unit respectively again, and communication main control unit carries out communication by 100M Ethernet and master system supervisory layers.
The communication main control unit of native system is equipped with according to the configuration of DCS system DPU; dividing at same group of incoming communication main control unit with the protection of thermal technology's production procedure closely-related 6kV and 400V motor even load, measuring and controlling equipment; communication main control unit and DPU one_to_one corresponding, realize communication main control unit and DPU carries out communication one to one.
Communication interface can be serial line interface (RS232/422/485), also can be Ethernet.Only have and completed by these communication main control units with the closely-related data of thermal technology's production procedure.Because the data of each passage are less, do not have midfeather, therefore real-time, reliability are very high, can cancel whole hardwire.
Little protection measuring and controlling equipment and transformer unit are associated with production procedure for inlet wire, low-tension transformer, service power feeder line etc., the data of the equipment such as high standby protection measuring and controlling equipment, soon tangent screen, the same period become shields, adjustment of field excitation control flow and order; due to not high to requirement of real-time; consider cost, then carry out exchanges data by Ethernet bridge.
System can be connected with DCS by communication modes also can independent operating, both originally a large amount of hardwires can be reduced, can realize above-mentioned controlling functions at DCS again, this system is also write to each other by interface switchboard and SIS, MIS etc., to reach the object of information sharing.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. the long-range stored program controlled of high-low pressure cabinet, is characterized in that, comprising: master system supervisory layers, communication management layer and scene protection measurement and control unit layer;
Described master system supervisory layers comprises: satellite clock receives and synchro system, server and monitoring host computer; Described server receives with satellite clock and communicates respectively with synchro system, monitoring host computer;
Described communication management layer comprises communication main control unit, for by different for scene protection measurement and control unit layer communication interface together with the equipment connection of stipulations, receive and transmit data, realizing various data and uploading of instruction issues;
Described scene protection measurement and control unit layer comprises the original various measurement mechanism in generating plant, protective device, communicator and control device;
Each equipment of described scene protection measurement and control unit layer communicates with master system supervisory layers respectively by communication management layer.
2. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1, it is characterized in that, described server comprises: the runtime server of main and standby relation each other: for controlling operation and the stopping of scene protection measurement and control unit layer equipment;
Database server: for storing the service data controlling scene protection measurement and control unit layer;
Web server: for realizing long-range issue.
3. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1, it is characterized in that, described monitoring host computer comprises:
Run main frame: for the on-site supervision to each equipment of scene protection measurement and control unit layer;
Monitor main frame: for checking the service data of each equipment of scene protection measurement and control unit layer, and abnormal data is reported to the police;
Electricity kilowatt meter reading-out system main frame: for gathering information about power.
4. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1, it is characterized in that, described communication main control unit supports polytype communication port simultaneously, comprises Ethernet, serial communication port, other field-bus interfaces open-ended, supports MODBUS, computer network with standard network protocol simultaneously.
5. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1, is characterized in that, each equipment of described scene protection measurement and control unit layer is divided into some groups, by the fieldbus communication main control unit that networking is extremely corresponding respectively.
6. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1; it is characterized in that; in each equipment of described scene protection measurement and control unit layer; the equipment relevant to motor load protection and test is divided at same group; access corresponding communication main control unit; the dispersion treatment cells D PU one_to_one corresponding of main control unit and generating plant scattered control system, realizes main control unit and dispersion treatment cells D PU carries out communication one to one.
7. the long-range stored program controlled of a kind of high-low pressure cabinet as claimed in claim 1, is characterized in that, in each equipment of described scene protection measurement and control unit layer, for the less demanding equipment of Realtime Capability of Communication, carries out exchanges data by Ethernet bridge and master system supervisory layers.
8. a control method for the long-range stored program controlled of high-low pressure cabinet as claimed in claim 1, is characterized in that, comprising:
Original for generating plant equipment is on the spot divided into some groups, by the fieldbus communication main control unit that networking is extremely corresponding respectively;
In each equipment on the spot, divide the equipment relevant to motor load protection and test at same group, access corresponding communication main control unit, the dispersion treatment cells D PU of main control unit and generating plant scattered control system carries out communication one to one; In each equipment on the spot, for the less demanding equipment of Realtime Capability of Communication, carry out exchanges data by Ethernet bridge and master system supervisory layers;
Main control unit by original for generating plant different communication interface together with the equipment connection on the spot of stipulations, receiving equipment data, and described data are sent to monitoring host computer, simultaneously, main control unit receives the order of monitoring host computer and is issued to relevant device, realizes the monitoring to operational outfit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510381709.5A CN104965499A (en) | 2015-07-01 | 2015-07-01 | High-and-low-voltage cabinet long-distance programmed control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510381709.5A CN104965499A (en) | 2015-07-01 | 2015-07-01 | High-and-low-voltage cabinet long-distance programmed control system and method |
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| CN104965499A true CN104965499A (en) | 2015-10-07 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647664A (en) * | 2016-12-23 | 2017-05-10 | 广西芮芽科技有限公司 | High-low voltage switchgear capable of remote control |
| CN106685081A (en) * | 2016-12-23 | 2017-05-17 | 广西芮芽科技有限公司 | Control system of high and low voltage switchgear |
| CN106685082A (en) * | 2016-12-23 | 2017-05-17 | 广西芮芽科技有限公司 | High-low voltage switch cabinet |
| CN106774207A (en) * | 2016-12-23 | 2017-05-31 | 广西芮芽科技有限公司 | Intelligent high-low pressure switch cabinet |
| CN106843033A (en) * | 2016-12-23 | 2017-06-13 | 广西芮芽科技有限公司 | High-low voltage switch cabinet tele-control system based on internet |
| CN113708268A (en) * | 2021-08-27 | 2021-11-26 | 安徽富煌电力装备科技有限公司 | Intelligent high-low voltage cabinet system |
| CN113958377A (en) * | 2020-07-03 | 2022-01-21 | 中国东方电气集团有限公司 | Real-time online monitoring system and method for network security of steam turbine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106647664A (en) * | 2016-12-23 | 2017-05-10 | 广西芮芽科技有限公司 | High-low voltage switchgear capable of remote control |
| CN106685081A (en) * | 2016-12-23 | 2017-05-17 | 广西芮芽科技有限公司 | Control system of high and low voltage switchgear |
| CN106685082A (en) * | 2016-12-23 | 2017-05-17 | 广西芮芽科技有限公司 | High-low voltage switch cabinet |
| CN106774207A (en) * | 2016-12-23 | 2017-05-31 | 广西芮芽科技有限公司 | Intelligent high-low pressure switch cabinet |
| CN106843033A (en) * | 2016-12-23 | 2017-06-13 | 广西芮芽科技有限公司 | High-low voltage switch cabinet tele-control system based on internet |
| CN113958377A (en) * | 2020-07-03 | 2022-01-21 | 中国东方电气集团有限公司 | Real-time online monitoring system and method for network security of steam turbine |
| CN113958377B (en) * | 2020-07-03 | 2023-04-07 | 东方电气股份有限公司 | Real-time online monitoring system and method for network security of steam turbine |
| CN113708268A (en) * | 2021-08-27 | 2021-11-26 | 安徽富煌电力装备科技有限公司 | Intelligent high-low voltage cabinet system |
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