CN104201785A - Debugging method and system for hydroelectric power station monitoring system - Google Patents
Debugging method and system for hydroelectric power station monitoring system Download PDFInfo
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Abstract
The invention discloses a debugging method and system for a hydroelectric power station monitoring system. The debugging method includes: establishing a set of an upper computer system for a virtual power plant on a power plant side, wherein the upper computer system is used for simulating a monitoring system on the power plant side; integrally transplanting an upper computer platform on the power plant side to the upper computer system of the virtual power plant; setting up a temporary debugging network, connecting the upper computer system of the virtual power plant with a monitoring system on the centralized control side, and guaranteeing isolation with an existing running system; subjecting LCUs (local control units) on the power plant side to single testing and integral testing through the upper computer system of the virtual power plant; after integral testing is fully completed, applying for full stop of the whole site, integrally moving the upper computer system platform of the virtual power plant, completed in test back to the monitoring system on the power plant side, cancelling control over the upper computer system of the virtual power plant, realizing actual connection of the monitoring system on the centralized control side with the monitoring system on the power plant side, and verifying consistency of databases of the systems and accuracy of equipment control instructions. The debugging method and system is low in risk and influence, high in efficiency and complete in test.
Description
Technical field
The present invention relates to a kind of hydraulic power station monitoring and control system adjustment method and debug system.
Background technology
Traditional hydraulic power station monitoring and control system adjustment method is in three steps: each database, the operation that first completes collection control side host computer make, the writing of locking storehouse and calculating storehouse, with by power plant's full cut-off, to collect control side and Power Plant Side networking, amendment Power Plant Side Relational database, checks basic handoff functionality, transfer of data and blocking function; Then carry out routine tests in Power Plant Side and collection control side for every local LCU (LCU:logic control unit logic control element) respectively; Finally in conjunction with AGC test (AGC:auto genarator control automatic generation control), AVC(AVC auto volt control automatism voltage control) test full factory local LCU control unit, carry out multimachine united test.There is following various disadvantages in this method:
1, in debug process, equipment operating has a big risk, collection control side do not carry out with local LCU test before be just incorporated to the existing supervisory control system that put into operation, probably in debug process, cause to control to open by mistake out, adjust LCU to cause huge operation risk to other non-ginsengs of power plant;
2, debugging amendment is loaded down with trivial details, as needed in debug process, database is carried out to amendment, certainly will will carry out synchronous amendment to Servers-all, and workload is large and process is loaded down with trivial details, and commissioning staff is easy to occur carelessness, virtually causes risk to debugging again;
3, the amendment of Power Plant Side host computer Primary Stage Data storehouse has a big risk, because Power Plant Side system belongs in fortune system, modification in the early stage amount of database is large, be pressed for time,, there is tremendous influence to overall unit operation in the particularly amendment in locking storehouse, as revises the incorrect follow-up test that not only affects, probably cause Power Plant Side supervisory control system confusion, even cause the collapse of Power Plant Side supervisory control system entirety simultaneously;
4, very difficult control of full cut-off time in debugging test process, in the time of collection control side and Power Plant Side First Contact Connections, must apply for whole station full cut-off, in the time that carrying out multimachine united test to full factory local LCU control unit, AGC, AVC test also must apply for whole station full cut-off, owing to existing a large amount of pilot projects and corresponding uncertain situation to occur, the time of whole station full cut-off is difficult to control.
Summary of the invention
The object of this invention is to provide a kind of hydraulic power station monitoring and control system adjustment method and debug system of guaranteeing that full factory of hydroelectric plant supervisory control system successfully puts into operation.
This hydraulic power station monitoring and control system adjustment method provided by the invention, the method comprises the steps:
Step 1, sets up a set of virtual plant master system in Power Plant Side, and this master system is for simulative power plant side supervisory control system; And described Power Plant Side is monitored to host computer platform integral transplanting in described virtual plant master system;
Step 2, builds interim debugging network, and described virtual plant master system is connected with collection control side supervisory control system, and guarantees and the isolation of existing operational system;
Step 3, virtual plant master system with Power Plant Side local LCU is carried out testing and bulk testing by bench teat;
Step 4, after bulk testing all completes, apply for whole station full cut-off, the virtual plant master system platform of test will be completed, described Power Plant Side supervisory control system is returned in integral moving again, cancel the control of virtual plant master system, realize collection control side supervisory control system and be connected with the actual of Power Plant Side supervisory control system, and verify the consistency of the two database and the accuracy of equipment control instruction; Finally carry out proving test.
Virtual plant master system described in described step 2 completes after basic function and communication system test in collection control side supervisory control system, has required the amendment in database, locking storehouse according to collection control.
Described virtual plant master system is connected with collection control side supervisory control system, and carry out database synchronization, then complete overall data channel check, handoff functionality test, clock is linked up and is not tested.
Described bulk testing comprises the steps:
(1) by less equipment control, access described virtual plant master system without sequence control process with without the Power Plant Side synergic system local LCU of " four is distant " data, extract Power Plant Side synergic system local LCU all outlet ports relay simultaneously, guarantee that public local LCU equipment is without operating function;
(2) utilize that Power Plant Side synergic system local LCU completes that Network Check, Test Data Collecting, slave computer switch, electric weight check, operate order monitor output, snowslide and resolution test;
(3) after whole basic functions of described virtual plant master system and collection control side supervisory control system have been tested, each local LCU that other are not connected with described virtual plant master system accesses this virtual plant master system by debugging network by platform, and all databases are carried out to an amount and check, control order inspection and equipment transmission operating operation test, carry out stand-alone debugging for " four is distant " and AGC, AVC simultaneously;
(4), after all unit function tests complete, apply for the multimachine debugging of two units, three units, AGC, AVC regulatory function in described virtual plant master system further Authentication devices control order and multimachine situation.
Described proving test comprises overall AGC, AVC and " four is distant " function test.
A kind of hydropower plant monitoring and control debug system, this debug system comprises Power Plant Side supervisory control system, collection control side supervisory control system, local LCU, virtual plant master system, debugging network and some debugging switches, virtual plant master system is connected with collection control side supervisory control system via debugging network with switch by some debugging, and it is also connected with the local LCU of participating in debugging by debugging network; Described debugging network accesses in the collection control network of described collection control side supervisory control system; This virtual plant master system is connected with Power Plant Side supervisory control system by one-way transmission passage.
Described virtual plant master system comprises by two work stations of Power Plant Side data acquisition server and operator station configuration; The two is all communicated by letter with described Power Plant Side supervisory control system by described debugging network.
Described virtual plant master system comprises some unidirectional 104 stipulations transmitters, by switch access set control side supervisory control system for many debugging, and send current ginseng tune equipment operation information in the mode of unidirectional IEC104 stipulations communication to described Power Plant Side supervisory control system; This virtual plant master system only transmits the signal that current ginseng is adjusted equipment to have impact to the normal operation of full factory or belonged to " four is distant ".
The network architecture of described debugging network is consistent with the network architecture of described Power Plant Side supervisory control system.
Described Power Plant Side supervisory control system comprises some unidirectional 104 stipulations receivers, and it receives only current ginseng and adjusts equipment operation information, simultaneously to the broadcast of monitoring master system.
The present invention adopts the adjustment method of foundation " simulative power plant ", compared with the method directly accessing, has following advantage with traditional new system:
1, effectively carry out upper and lower computer and multicomputer combined debugging, greatly improve test efficiency, reduce empirical risk, collection control side is formerly carried out with local LCU and is tested, just be incorporated to the existing supervisory control system that put into operation by rear, and all operations picture is carried out to on-the-spot actual checking one by one, and significantly reduce to cause in debug process and controlled the phenomenon generation opening by mistake out, better protect other non-ginsengs of power plant to adjust the safety of LCU;
2, debugging amendment is simple and reliable, and the present invention makes to join tune equipment and operational outfit independent operating, can in debug process, stop at any time test simultaneously, ginseng tune equipment is accessed to operational system again and can recover normal operation; Workload is large and process is loaded down with trivial details, and commissioning staff is easy to occur carelessness, virtually causes risk to test again;
3, the amendment of Power Plant Side host computer Primary Stage Data storehouse has a big risk, the present invention first transplants the host computer platform of Power Plant Side supervisory control system, set up " virtual plant " supervisory control system consistent with this Power Plant Monitoring, follow-up various data modification or test all complete in virtual plant side, after various tests and the equal successful implementation of data modification, just integral moving is to the supervisory control system of existing Power Plant Side, therefore the present invention will be reduced to minimum on the impact of existing Power Plant Side supervisory control system in debugging, also near minimum on the impact of overall unit operation, guarantee the stable of Power Plant Side supervisory control system,
4, the number of times that the present invention requires full cut-off only once, after bulk testing all completes, by the virtual plant master system platform that completes test again integral moving return before Power Plant Side supervisory control system, apply for whole station full cut-off, because a large amount of pilot projects is all carried out on virtual plant, the uncertain situation corresponding with these pilot projects also almost all processed on virtual plant, and therefore the present invention has significantly reduced the time of whole station full cut-off;
5, the present invention guarantees that Power Plant Monitoring successfully puts into operation, and is the important technical of guaranteeing power industry remote control supervisory control system one-shot.The present invention not only can be applied in hydroelectric plant's collection control project construction, all provides novel, efficient, safe test platform and reference to other alteration of monitoring systems, construction simultaneously.Less investment of the present invention, successful, solved conventional method risk high, test loaded down with trivial details, time and control the problems such as difficult, there is good promotional value, for the following alteration of monitoring system in hydroelectric plant and associate organization's supervisory control system construction provide good reference value.
Brief description of the drawings
Fig. 1 is embodiments of the present invention systemic-function schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated.
The present invention is building up a set of and B Power Plant Side supervisory control system equity completely according to the A Dispatching Building in 50 kilometers, district of power plant, supervisory control system for subsequent use each other simultaneously, to meet the basic fundamental requirement of remote control.
As shown in Figure 1, the present invention includes province and adjust side, Power Plant Side supervisory control system, collection control side supervisory control system, local LCU, virtual plant master system, debugging network and some debugging switches.Power Plant Side supervisory control system comprises RTU and the unidirectional 104 stipulations receivers of Duo Tai.Collection control side supervisory control system comprises many supervisory control comuters and collection control network.Collection control network comprises No. 0 net of collection control and No. 1 net of collection control.Local LCU comprises plant stand local LCU and participates in the local LCU of debugging.Virtual plant master system comprises many unidirectional 104 stipulations transmitters.Debugging network comprises No. 0 net of debugging and No. 1 net of debugging; The network architecture of debugging network is consistent with the network architecture of described Power Plant Side supervisory control system.
Each unidirectional 104 stipulations transmitters in virtual plant master system access respectively No. 0 net of debugging and No. 1 net of debugging, debugging No. 0 net of No. 0 Netcom's toning switch on probation and collection control is connected, debug No. 1 net and also debug and use switch and No. 1 net of collection control to be connected by another, realize thus virtual plant master system and control being connected of side supervisory control system with collection.Participate in the collection control network of the local LCU access set control side supervisory control system of debugging.Wherein unidirectional 104 stipulations transmitters are connected with the unidirectional 104 stipulations receivers in Power Plant Side supervisory control system, for joining tune equipment operation information to the unidirectional transmission of this receiver.These unidirectional 104 stipulations transmitters are strictly controlled to the data of these unidirectional 104 stipulations receiver transmission, the former only transmits the signal that current ginseng is adjusted equipment to have impact to the normal operation of full factory or belonged to " four is distant ", as: generator voltage signal, power signal, generator outlet circuit breaker position signal etc., to reduce debugging risk.
Unidirectional 104 stipulations receivers in Power Plant Side supervisory control system receive only ginseng tune equipment operation information, adjust side broadcast to economizing simultaneously.
B power plant is at original plant area 11 local LCUs (seven unit local LCUs, 110kV switchyard local LCU, 220kV switchyard local LCU, the public local LCU of old factory, the public local LCU of new factory) and the basis of original plant area master system on, newly-increased a set of complete master system in A Dispatching Building outside 50kM, communicate by letter with the supervisory control system of plant area of B power plant by PTN and the different communication port of two 1Gbps of fiber direct connection, reserved 1Gbps SDH passage is emergent cold standby passage, form complete monitoring network, control taking the supervisory control system of A Dispatching Building as main, the system reserve of B Power Plant Side.All data are directly adopted direct sending, and network delay is controlled in 1ms.
The collection control side supervisory control system of A Dispatching Building is made up of a set of data acquisition server group, Liang Tai operator station, an engineer station, training station, an amoyese sound warning service, a report server, two remote stations, a plant intercommunication work station (communicating by letter in factory) He LiangtaiⅠ district core switch.Collection is controlled the same two redundant configuration completely reciprocity and for subsequent use each other in function with B Power Plant Side supervisory control system that adopt of side supervisory control system, forms a set of complete supervisory control system.
B factory is due to local control unit many (amounting to 11), comprise two switchyard terrain monitoring units, belong to again the key power plant that C economizes peak load regulation network, frequency modulation, emergency duty, not only cause our factory separate unit LCU field adjustable to be pressed for time, within the scope of full factory, the full cut-off united test time is subject to C and economizes the strict control of adjusting, simultaneously very high to the requirement of safety in production, do not allow B factory in debug process, to occur any abnormal and above situation.Under the uncontrollable and huge security risk of full cut-off test duration, the debugging work of B factory is very passive.
For having solved the situation of supervisory control system debug difficulties in the remote control construction of B factory, before entirety construction, just carry out case study, by a large amount of discussion analyses, the concept of " virtual plant " has been proposed, set up a set of simulative power plant master system in Power Plant Side, existing Power Plant Side host computer platform integral transplanting, in simulative power plant master system, then is built to interim debugging network, be connected with collection control side, guarantee the isolation with existing operational system simultaneously.Then virtual plant master system carries out bulk testing to Power Plant Side local LCU.After bulk testing all completes, then by the simulative power plant master system platform that completes test again integral moving return existing Power Plant Side master system, cancel simulative power plant side system, realize collection control side and be connected with Power Plant Side is actual, finally carry out proving test.
So not only greatly reduce empirical risk, made to join tune equipment and operational outfit independent operating, can in process of the test, stop at any time test simultaneously, ginseng tune equipment has been accessed to operational system again and can recover normal operation.
In debug process, B factory, according to two work stations of Power Plant Side data acquisition server and operator station configuration, is placed on Power Plant Side monitoring room, is used for the supervisory control system of simulative power plant side.By switch access set control side supervisory control system for two debugging, and carry out transfer of data by the mode of unidirectional 104 communications to actual B Power Plant Side, to meet the operation of Power Plant Side system and to economize and adjust the requirement of side remote action data.
Virtual plant master system, in the time debugging, first carries out unit or single LCU test, after each unit functions meet your requirements, then increases by platform the local LCU that ginseng is adjusted, and carries out the functional uniting and adjustment of full factory, further verifies supervisory control system allomeric function.
Concrete debugging step is as follows:
Step 1, after collection control side basic function and communication system tests, has required database, locking storehouse and correlation function to revise simulative power plant side according to collection control;
Step 2, simulative power plant side is connected with collection control side, after database synchronization, completes overall data channel check, handoff functionality test, clock synchronous test;
Step 3, by less equipment control, without sequence control process and without the old factory synergic system local LCU access simulative power plant side of " four is distant " data (" four is distant " is remote control, remote measurement, remote regulating, remote signalling), extract old factory synergic system local LCU all outlet ports relay simultaneously, guarantee that the public local LCU equipment of old factory is without operating function;
Step 4, utilize that old factory synergic system local LCU completes that Network Check, Test Data Collecting, slave computer switch, electric weight check, operate order monitor output, snowslide and resolution test;
Step 5, after simulative power plant side and the whole basic functions of collection control side have been tested, order checked, controlled to each local LCU by platform access simulative power plant side to all database point amounts by debugging net and check and equipment transmission operating operation test, carry out stand-alone debugging for " four is distant " and AGC, AVC simultaneously;
Step 6, after all unit function tests complete, the multimachine debugging of application Liang Tai and three units, further AGC, AVC regulatory function in Authentication devices control order and multimachine situation;
Step 7, applies for whole station full cut-off, and the integral moving of simulative power plant side is returned to actual Power Plant Side, collection control side and Power Plant Side are realized interconnected, the accuracy of simultaneous verification data base consistency(-tance) and equipment control instruction;
Step 8, implements follow-up overall AGC, AVC and " four is distant " function test.
Taking above-described embodiment as example; if adopt traditional debugging mode; not through comprehensive isolation experiment checking in the situation that, access actual Power Plant Side; before entirety access debugging; B power plant at least needs two classes of testing crews and compressor emergency shutdown 12 days (losing 288 adjustable hours) just can be completed, simultaneously also cannot the integrality of guarantee test and the generation of equipment malfunction situation.
And adopting method of the present invention, B power plant only every machine shuts down 10 hours, multimachine uniting and adjustment and full cut-off access and loses altogether 26 and within adjustable hour, just completed all debug-items, compares and saves adjustable hour 262, tests completion rate simultaneously and reaches 100%.
In debug process, do not occur equipment malfunction situation, debugging is not mutually exclusive with generating, raises the efficiency nearly 10 times.The present invention guarantees that B power plant remote control supervisory control system realizes zero defect, the once successful important technology guarantee that puts into operation.
Smooth debugging by B power plant remote control project monitoring system completes, the adjustment method of " virtual plant " and " isolation firmly; simulation entirely " has obtained effective checking in B Power Plant Monitoring field test, has all obtained fully certainly from operability and practicality.
Claims (10)
1. a hydraulic power station monitoring and control system adjustment method, the method comprises the steps:
Step 1, sets up a set of virtual plant master system in Power Plant Side, and this master system is for simulative power plant side supervisory control system; And described Power Plant Side is monitored to host computer platform integral transplanting in described virtual plant master system;
Step 2, builds interim debugging network, and described virtual plant master system is connected with collection control side supervisory control system, and guarantees and the isolation of existing operational system;
Step 3, virtual plant master system with Power Plant Side local LCU is carried out testing and bulk testing by bench teat;
Step 4, after bulk testing all completes, apply for whole station full cut-off, the virtual plant master system platform of test will be completed, described Power Plant Side supervisory control system is returned in integral moving again, cancel the control of virtual plant master system, realize collection control side supervisory control system and be connected with the actual of Power Plant Side supervisory control system, and verify the consistency of the two database and the accuracy of equipment control instruction; Finally carry out proving test.
2. hydraulic power station monitoring and control system adjustment method according to claim 1, it is characterized in that, virtual plant master system described in described step 2 completes after basic function and communication system test in collection control side supervisory control system, has required the amendment in database, locking storehouse according to collection control.
3. hydraulic power station monitoring and control system adjustment method according to claim 1, is characterized in that, described virtual plant master system is connected with collection control side supervisory control system, carry out database synchronization, complete again overall data channel check, handoff functionality test, clock is linked up and is not tested.
4. hydraulic power station monitoring and control system adjustment method according to claim 1, is characterized in that, described bulk testing comprises the steps:
(1) by less equipment control, access described virtual plant master system without sequence control process with without the Power Plant Side synergic system local LCU of " four is distant " data, extract Power Plant Side synergic system local LCU all outlet ports relay simultaneously, guarantee that public local LCU equipment is without operating function;
(2) utilize that Power Plant Side synergic system local LCU completes that Network Check, Test Data Collecting, slave computer switch, electric weight check, operate order monitor output, snowslide and resolution test;
(3) after whole basic functions of described virtual plant master system and collection control side supervisory control system have been tested, each local LCU that other are not connected with described virtual plant master system accesses this virtual plant master system by debugging network by platform, and all databases are carried out to an amount and check, control order inspection and equipment transmission operating operation test, carry out stand-alone debugging for " four is distant " and AGC, AVC simultaneously;
(4), after all unit function tests complete, apply for the multimachine debugging of two units, three units, AGC, AVC regulatory function in described virtual plant master system further Authentication devices control order and multimachine situation.
5. hydraulic power station monitoring and control system adjustment method according to claim 1, is characterized in that, described proving test comprises overall AGC, AVC and " four is distant " function test.
6. a hydropower plant monitoring and control debug system, this debug system comprises Power Plant Side supervisory control system, collection control side supervisory control system and local LCU, it is characterized in that, this debug system also comprises virtual plant master system, debugging network and some debugging switches, virtual plant master system is connected with collection control side supervisory control system via debugging network with switch by some debugging, and it is also connected with the local LCU of participating in debugging by debugging network; Described debugging network accesses in the collection control network of described collection control side supervisory control system; This virtual plant master system is connected with Power Plant Side supervisory control system by one-way transmission passage.
7. hydropower plant monitoring and control debug system according to claim 6, is characterized in that, described virtual plant master system comprises by two work stations of Power Plant Side data acquisition server and operator station configuration; The two is all communicated by letter with described Power Plant Side supervisory control system by described debugging network.
8. hydropower plant monitoring and control debug system according to claim 6, it is characterized in that, described virtual plant master system comprises some unidirectional 104 stipulations transmitters, by switch access set control side supervisory control system for many debugging, and send current ginseng tune equipment operation information in the mode of unidirectional IEC104 stipulations communication to described Power Plant Side supervisory control system; This virtual plant master system only transmits the signal that current ginseng is adjusted equipment to have impact to the normal operation of full factory or belonged to " four is distant ".
9. hydropower plant monitoring and control debug system according to claim 6, is characterized in that, the network architecture of described debugging network is consistent with the network architecture of described Power Plant Side supervisory control system.
10. hydropower plant monitoring and control debug system according to claim 6, is characterized in that, described Power Plant Side supervisory control system comprises some unidirectional 104 stipulations receivers, and it receives only current ginseng and adjusts equipment operation information, simultaneously to the broadcast of monitoring master system.
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