CN103605019A - On-line monitoring system and on-line monitoring method for all electrical devices of power plant - Google Patents
On-line monitoring system and on-line monitoring method for all electrical devices of power plant Download PDFInfo
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- CN103605019A CN103605019A CN201310566482.2A CN201310566482A CN103605019A CN 103605019 A CN103605019 A CN 103605019A CN 201310566482 A CN201310566482 A CN 201310566482A CN 103605019 A CN103605019 A CN 103605019A
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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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Abstract
The invention discloses an on-line monitoring system and on-line monitoring method for all electrical devices of a power plant. The on-line monitoring system includes a plurality of electrical devices, electrical device monitoring devices respectively connected with all the electrical devices, and a master control device electrically connected with the multiple electrical device monitoring devices; and the multiple electrical device monitoring devices are connected by fieldbuses. According to the system, all the electrical device monitoring devices of the power plant are unified to one background and are arranged in the master control device, so that running and monitoring of the power plant can be carried out beneficially and high-efficiency and high-automation running of the power plant is helped. Moreover, the advantages of centralized controlling, high intelligentization, and high precision are realized.
Description
Technical field
The present invention relates to monitoring system field, generating plant, particularly a kind of Power Plants electrical equipment online monitoring system and on-line monitoring method.
Background technology
In modern power systems, the single-machine capacity of generator is increasing, and high-rating generator is in absolutely main force position in electrical production, and high-rating generator is owing to involving great expense simultaneously, complex structure, once suffer damage, the turn(a)round needing, is long, therefore requires to have high operational reliability.With regard to the situation of the short of electricity in China's current and expected future a very long time, shortage of electric power, year hours run number of generator and at full capacity rate all exceeded much more in the past, and in margin capacity situation seldom, it is particularly important and outstanding that its operational reliability seems.Therefore large-scale unit electric equipments is carried out to on-line monitoring and diagnosis, accomplish that early warning has important practical significance with generation or the expansion of Accident prevention.
At present, the safe and reliable operation that the electrical equipment monitoring device of power plant's installing is power plant provides good technical support.But having following problem, is also the ubiquitous problem of Present Domestic on-Line Monitor Device: the antijamming capability of monitoring device is poor, often break down in signal transmission and processing section, cause Monitoring Data to be lost or distortion; Monitoring device only rests in the level that Monitoring Data is provided, lack effective data statistics and analytical approach, detection data are only provided, and can not set up the incidence relation between various monitoring informations, cannot explain the normal fluctuation of measurement result, be difficult to make running status inline diagnosis accurately.
In addition, the on-Line Monitor Device of each electrical equipment all has the pick-up unit of oneself and ，Qie backstage, backstage to be generally arranged in electric room at present, is unfavorable for operation and the supervision of power plant.To power plant efficient, high automation operation is unfavorable.And, more in disorder with the various on-Line Monitor Device of electrical equipment configuration, be unfavorable for power plant operation and maintenance management.
Summary of the invention
Based on this, for solving the problem of the various on-Line Monitor Device of above-mentioned power plant to power plant electrical monitoring of equipment difficulty, the present invention proposes a kind of Power Plants electrical equipment online monitoring system and on-line monitoring method.
The present invention proposes a kind of Power Plants electrical equipment online monitoring system, and technical scheme is as follows:
A kind of Power Plants electrical equipment online monitoring system, comprise a plurality of electrical equipments, the electrical equipment monitoring device being connected with each electrical equipment respectively, and with the master control device of a plurality of electrical equipment monitoring devices electrical connection, a plurality of electrical equipment monitoring devices connect by fieldbus.
The electrical equipment monitoring device of all dispersions in generating plant is linked together, and their backstage is arranged on master control device, these different supervising devices are carried out to unified monitoring management on unified backstage.
Below its further technical scheme is described:
Preferably, master control device is engineer station or the operator station of station service management system.Power Plants electrical equipment online monitoring system and station service management system share master control device and backstage thereof, also can share communication network with station service management system, can save backstage and operating cost.
Preferably, master control device is engineer station or the operator station arranging separately.Power Plants electrical equipment online monitoring system arranges independently master control device and backstage thereof, uses the interconnection network of oneself, carries out independent control, can be interference-free.
Preferably, Power Plants electrical equipment online monitoring system comprises the communication manager being connected with each electrical equipment monitoring device, and a plurality of communication managers connect by field bus communication.A plurality of communication managers are electrically connected by electrical equipment monitoring device and each electrical equipment, between communication manager and electrical equipment, receive and transmission of information.
Preferably, Power Plants electrical equipment online monitoring system also comprises network communication station, and network communication station is connected a plurality of communication managers with the communication of master control device.Utilize network communication station to receive and transmit the information between communication manager and master control device.
In addition, the present invention also proposes a kind of Power Plants electrical equipment online monitoring method, and its step is as follows:
Each electrical equipment monitoring device is monitored corresponding electrical equipment, and with corresponding communication manager connecting communication;
Each communication manager is by fieldbus and network communication station connecting communication;
Network communication station and master control device connecting communication, mutually transmission of information.
Below its further technical scheme is described:
Preferably, the engineer station of network communication station and station service management system or operator station connecting communication.It is engineer station or operator station that Power Plants electrical equipment online monitoring system and station service management system share master control device, the master control device connecting communication transmission of information of network communication station and station service management system.
Preferably, network communication station and the engineer station or the operator station connecting communication that arrange separately.Power Plants electrical equipment online monitoring system has the master control device of independent setting, network communication station and independently master control device connecting communication transmission information.
Preferably, each communication manager and network communication station are by wall network connecting communication.Communication manager and wall network connecting communication transinformation, wall network and network communication station connecting communication transinformation.
Preferably, network communication station and engineer station or operator station are by Ethernet connecting communication.Network communication station and Ethernet connecting communication transinformation, Ethernet and engineer station or operator station connecting communication transinformation.
The present invention has advantages of following outstanding: can be by electrical equipment monitoring device unification to backstage of Power Plants, and be arranged in engineer station or operator station, be beneficial to operation and the supervision of power plant, efficient, high automation operation band to power plant are helped, have control concentrate, high-intelligentization, high-precision feature.
Accompanying drawing explanation
Fig. 1 is Power Plants electrical equipment online monitoring system schematic in the embodiment of the present invention.
Description of reference numerals:
100-electrical equipment monitoring device, 200-communication manager, (310,320)-wall network, 400-network communication station, (510,520)-Ethernet, 600-master control device, 610-engineer station or operator station one, 620-engineer station or operator station two, 630-printer.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
As shown in Figure 1, the present invention discloses a kind of Power Plants electrical equipment online monitoring system, comprise a plurality of electrical equipments, the electrical equipment monitoring device 100 being connected with each electrical equipment respectively, and with the master control device 600 of a plurality of electrical equipment monitoring devices 200 electrical connections, a plurality of electrical equipment monitoring devices 100 connect by fieldbus.
The electrical equipment monitoring device 100 of all dispersions in generating plant is linked together, and their backstage is arranged on master control device 600, these different supervising devices are carried out to unified monitoring management on unified backstage.
In one case, master control device 600 is the engineer station of station service management system (being ECMS) or operator station (610,620).Power Plants electrical equipment online monitoring system and station service management system share master control device 600 and backstage thereof, also can with station service management system shared data transmission network, can save backstage and operating cost.
Power Plants electrical equipment online monitoring system comprises a plurality of genset, each genset comprises again a plurality of electrical equipments, and these electrical equipments comprise high-rating generator, primary cut-out, main-transformer, accumulator and ups system, important motor etc.
In addition, this on-line detecting system also comprises the electrical equipment monitoring device 100 with above-mentioned electrical equipment electrical connection, and correspondingly the electrical equipment monitoring device 100 of these generating plant installings mainly contains: high-rating generator state monitoring apparatus, primary cut-out on-Line Monitor Device, main-transformer on-Line Monitor Device, accumulator and ups system on-Line Monitor Device, important motor on-Line Monitor Device etc.
This on-line detecting system also comprises the communication manager 200 being connected with each electrical equipment monitoring device respectively, a plurality of communication managers 200 are connected to wall network (310 by field bus communication, 320), the information communication of the electrical equipment that communication manager 200 monitors electrical equipment monitoring device 100 is to wall network (310,320), between wall network (310,320) and electrical equipment, receive and transmission of information.
This on-line detecting system also comprises network communication station 400 and the master control device 600 being attached thereto.This network communication station is connected a plurality of communication managers 200 with 600 communications of master control device, utilize network communication station 400 to receive and transmit the information between communication manager 20 and master control device 600.Particularly, network communication station 400 can receive and transmit wall network (310, 320) information in, and be provided with Ethernet (510 between network communication station 400 and master control device 600, 520), master control device 600 and network communication station 400 are coupled together, can be by network communication station 400 by wall network (310, 320) communication in is to Ethernet (510, 520), and master control device 600 is a plurality of engineer stations or operator station (610, 620) with Ethernet (510, 520) connect, can obtain Ethernet (510, 520) information in, obtained information is unified in the backstage of master control device 600 process, thereby obtain the status information of all electrical equipments of system monitoring.And, can also utilize printer 630 to print to want the information of checking.
In addition, this Power Plants electrical equipment online monitoring method step is as follows:
The corresponding electrical equipment of each electrical equipment monitoring device 100 monitoring, and with corresponding communication manager 200 connecting communications.Each electrical equipment monitoring device 100 includes sensor and data collector separately, their principle and the mode of action are widely different, the sensor signal of each electrical equipment monitoring device 100 sends data collector to by fieldbus, and related data is carried out to preliminary analyzing and processing;
Each communication manager 200 is by fieldbus and network communication station 400 connecting communications.Particularly, each communication manager 200 passes through wall network (310 with network communication station 400,320) connecting communication, communication manager 200 and wall network (310,320) connecting communication transinformation, wall network (310,320) with network communication station 400 connecting communication transinformations, the data of data collector rough handling can be transferred to wall network (310 by fieldbus, 320), again data are transferred to network communication station 400 from wall network (310,320);
Two units of take are below example, and Power Plants electrical equipment online monitoring system is described.Here adopt on-line monitoring system to share the mode on station service management system (ECMS) backstage, only adopt the pattern of communication manager that each monitoring separating device is combined to a network, wherein #1 communication manager arrives ECMS wall network the information communication of #1 unit high-rating generator state monitoring apparatus, #2 communication manager arrives ECMS wall network the information communication of #1 unit primary cut-out on-Line Monitor Device, #3 communication manager arrives ECMS wall network the information communication of #1 unit main-transformer on-Line Monitor Device, #4 communication manager arrives ECMS wall network (310 the information communication of #1 machine group storage battery and ups system on-Line Monitor Device, 320), #5 communication manager arrives ECMS wall network (310 the information communication of the important engine on-Line Monitor Device of #1 unit, 320), #6 in like manner, #7 etc. communication manager arrives ECMS wall network (310 the information communication of the relevant monitoring device of #2 unit, 320), then by the network communication station 400 of ECMS Communication Layer, deliver to the Ethernet (510,520) of ECMS station level, like this engineer station of ECMS or backstage Dui Quan factory of operator station (610,620) important electrical carries out on-line monitoring and state is checked.
In another case, master control device 600 is engineer station or the operator station (610,620) arranging separately.Be that Power Plants electrical equipment online monitoring system arranges independently master control device 600 and backstage thereof, use oneself independently connecting communication network, carry out independent control, can be interference-free.Network communication station and the engineer station or operator station (610, the 620) connecting communication that arrange separately.Similar when its system architecture and shared ECMS, mechanism mode is also identical.
Power Plants electrical equipment online monitoring system disclosed by the invention is the Comprehensive Science technology that integrates High-Voltage Technology, measuring technology, material technology, computer technology and the communication technology, have control to concentrate, high-intelligentization, high-precision feature.It can be unified to a backstage by the electrical equipment monitoring device of Power Plants 100, and be arranged in engineer station or operator station (610,620), is beneficial to the operation of power plant and monitors that efficient, the high automation of ，Dui power plant move band and help.
In this Power Plants electrical equipment online monitoring system, sensor and the middle layer equipment of each minute electrical equipment monitoring device 100 are relatively independent, can increase neatly test item, for the electrical equipment newly increasing, also can add to easily in original grid, only need to adopt communication manager 200 each electrical equipment monitoring device 100 networkings, share same backstage.Background computer can be arranged in engineer station or operator station, facilitate operation maintenance personnel inquiry, operate and arrange etc.The change that this has brought to this Power Plants electrical equipment online monitoring system while just greatly having reduced dilatation and change in topology, simultaneously full factory configures a set of backstage altogether, provides cost savings, and has facilitated operation maintenance personnel.The backstage of each electrical equipment monitoring device 100 is integrated in to ECMS or same backstage, and the full factory electrical equipment of realizing is truly unified on-line monitoring.
In this system, the sensor signal of each electrical equipment monitoring device 100 is sent to data collector by fieldbus, in this data collector, data is carried out to preliminary analyzing and processing, then by modes such as bus or Ethernets, is sent to the unified processing in backstage.
Development along with sensor technology, the quantity of state that power plant electricity equipment can be monitored will get more and more, and the development of computer technology makes data volume that allow to process increasing, therefore the on-line monitoring system of multi-functional, multimode, aggregation type obtains fine development.Intelligent online monitoring system is further studied and is applied, and especially nerual network technique, knowledge system, fuzzy logic etc. can be more widely used.This system is electrical equipment online monitoring system integratedly provides good reference model.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a Power Plants electrical equipment online monitoring system, it is characterized in that, comprise a plurality of electrical equipments, the electrical equipment monitoring device being connected with electrical equipment described in each respectively, and with the master control device of a plurality of described electrical equipment monitoring devices electrical connections, a plurality of described electrical equipment monitoring devices connect by fieldbus.
2. Power Plants electrical equipment online monitoring system according to claim 1, is characterized in that, engineer station or operator station that described master control device is station service management system.
3. Power Plants electrical equipment online monitoring system according to claim 1, is characterized in that, described master control device is engineer station or the operator station arranging separately.
4. according to the Power Plants electrical equipment online monitoring system described in claim 2 or 3, it is characterized in that, described Power Plants electrical equipment online monitoring system comprises the communication manager being connected with each electrical equipment monitoring device, and a plurality of described communication managers connect by fieldbus.
5. Power Plants electrical equipment online monitoring system according to claim 4, it is characterized in that, described Power Plants electrical equipment online monitoring system also comprises network communication station, and described network communication station is connected a plurality of described communication managers with master control device.
6. a Power Plants electrical equipment online monitoring method, its step is as follows:
Each electrical equipment monitoring device is monitored corresponding electrical equipment, and with corresponding communication manager connecting communication;
Each communication manager is by fieldbus and network communication station connecting communication;
Network communication station and master control device connecting communication, mutually transmission of information.
7. Power Plants electrical equipment online monitoring method according to claim 6, is characterized in that, the engineer station of network communication station and station service management system or operator station connecting communication.
8. Power Plants electrical equipment online monitoring method according to claim 6, is characterized in that, network communication station and the engineer station or the operator station connecting communication that arrange separately.
9. according to the Power Plants electrical equipment online monitoring method described in claim 7 or 8, it is characterized in that, each communication manager and network communication station are by wall net connecting communication.
10. Power Plants electrical equipment online monitoring method according to claim 9, is characterized in that, network communication station and engineer station or operator station are by Ethernet connecting communication.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885411A (en) * | 2014-03-13 | 2014-06-25 | 中国能源建设集团广东省电力设计研究院 | Integrated automation system of power station |
| CN109038833A (en) * | 2018-09-26 | 2018-12-18 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of electrical monitoring and management system based on full communication network |
| CN112987604A (en) * | 2019-12-18 | 2021-06-18 | 中国东方电气集团有限公司 | Network safety monitoring and real-time warning system and method for power generation equipment |
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Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Applicant before: Guangdong Electric Power Design Institute of CEEC |
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Free format text: CORRECT: APPLICANT; FROM: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE TO: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. |
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Application publication date: 20140226 |