CN204538823U - A kind of step hydropower station is unattended and remote central control - Google Patents
A kind of step hydropower station is unattended and remote central control Download PDFInfo
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- CN204538823U CN204538823U CN201520289660.6U CN201520289660U CN204538823U CN 204538823 U CN204538823 U CN 204538823U CN 201520289660 U CN201520289660 U CN 201520289660U CN 204538823 U CN204538823 U CN 204538823U
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Abstract
The utility model discloses the unattended and remote central control in a kind of step hydropower station, comprise power station in-house network network layers, station level, Internet Transmission key-course and cascade operation supervisory layers between power station, described power station in-house network network layers comprises monitor workstation, telecontrol communication shields, communication DC device, switchyard and public LCU shield, multiple LCU for generator set screen, in station in described monitor workstation shields with telecontrol communication, switch is connected, described communication DC device is connected with switch in station, in standing, switch shields with multiple LCU for generator set respectively, switchyard and public LCU shield, station level, between power station, Internet Transmission key-course is connected, between power station, Internet Transmission key-course is connected with cascade operation supervisory layers.The utility model have data acquisition amount large, control safe and reliable, automaticity is high, the advantage of strong interference immunity.
Description
Technical field
The utility model relates to the unattended and remote central control in a kind of step hydropower station.
Background technology
Existing unattended power station can only be monitored for the ruuning situation in single power station usually, also cannot realize high reliability, the monitoring of Intelligent automatic and cascade operation to multiple power station, also needs a large amount of manpower monitoring.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides that a kind of structure is simple, cost is low, safe and reliable, that automaticity is high step hydropower station is unattended and remote central control.
The technical scheme that the utility model solves the problem is: a kind of step hydropower station is unattended and remote central control, comprise power station in-house network network layers, station level, Internet Transmission key-course and cascade operation supervisory layers between power station, described power station in-house network network layers comprises monitor workstation, telecontrol communication shields, communication DC device, switchyard and public LCU shield, multiple LCU for generator set screen, in station in described monitor workstation shields with telecontrol communication, switch is connected, described communication DC device is connected with switch in station, in standing, switch shields with multiple LCU for generator set respectively, switchyard and public LCU shield, station level, between power station, Internet Transmission key-course is connected, between power station, Internet Transmission key-course is connected with cascade operation supervisory layers.
Above-mentioned step hydropower station is unattended and in remote central control, between described power station, Internet Transmission key-course comprises step Surveillance center switch and multiple power stations telemechanical screen, the series connection mutually of multiple power stations telemechanical screen, and two the power station telemechanicals screens being positioned at two ends after series connection are connected with step Surveillance center switch, in the station in telemechanical screen in each power station all shields with telecontrol communication, switch is connected.
Above-mentioned step hydropower station is unattended and in remote central control, described cascade operation supervisory layers comprises work station, graphic joining controller, mosaic screen, decoder, described work station is connected with step Surveillance center switch, step Surveillance center switch is connected with graphic joining controller through decoder, and graphic joining controller is connected with mosaic screen.
Above-mentioned step hydropower station is unattended and in remote central control, described each LCU for generator set screen includes switch, PLC, touch-screen and data acquisition unit, described data acquisition unit is connected with PLC, PLC is connected with touch-screen, switch respectively, and in the station in described switch shields with telecontrol communication, switch is connected.
The beneficial effects of the utility model are: the utility model carries out data acquisition by the data acquisition unit in each LCU for generator set screen to dispersion, remote power station, the data collected through PLC, switch, stand in switch is sent to cascade operation supervisory layers respectively, station level carries out image monitoring and Long-distance Control, thus realize unattended, have data acquisition amount large, control safe and reliable, automaticity is high, the advantage of strong interference immunity.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the structured flowchart of LCU for generator set screen in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises power station in-house network network layers 1, station level 2, Internet Transmission key-course 3 and cascade operation supervisory layers 4 between power station, described power station in-house network network layers 1 comprises monitor workstation, telecontrol communication screen 5, communication DC device, switchyard and public LCU shield, multiple LCU for generator set screen, described monitor workstation and telecontrol communication shield switch in the station in 5 and are connected, described communication DC device is connected with switch in station, in standing, switch shields with multiple LCU for generator set respectively, switchyard and public LCU shield, station level 2, between power station, Internet Transmission key-course 3 is connected, between power station, Internet Transmission key-course 3 is connected with cascade operation supervisory layers 4.
Between described power station, Internet Transmission key-course 3 comprises step Surveillance center switch and multiple power stations telemechanical screen, the series connection mutually of multiple power stations telemechanical screen, the capacity of video data is large, transmission time is long, the transmission of power station real-time control data can be affected, therefore two the power station telemechanicals screens being positioned at two ends after series connection are connected with step Surveillance center switch by 1000M fiber Video looped network, and telemechanical screen in each power station all shields switch in the station in 5 and is connected with telecontrol communication.
Described cascade operation supervisory layers 4 completes the collection to respective LCU for generator set screen data, and carries out classification storage, according to various mathematical logic relation, automatically controls; Comprise work station, graphic joining controller, mosaic screen, decoder, described work station is connected with step Surveillance center switch, for inputting remote signal, remote signal through step Surveillance center switch, power station telemechanical screen, stand in switch be delivered to station level, step Surveillance center switch is connected with graphic joining controller through decoder, and graphic joining controller is connected with mosaic screen.
As shown in Figure 2, described each LCU for generator set screen includes switch, PLC, touch-screen and data acquisition unit, described data acquisition unit is connected with PLC, PLC is connected with touch-screen, switch respectively, described switch and telecontrol communication shield switch in the station in 5 and are connected, and PLC need contain dual network mouth, and reliable in quality and sample rate meet the requirement of security control, the extensibility of module is strong, and when condition is allowed, PLC can redundant configuration.
The utility model carries out data acquisition by the data acquisition unit in each LCU for generator set screen to dispersion, remote power station, the data collected through PLC, switch, stand in switch be sent to cascade operation supervisory layers 4 and station level 2 respectively, data are also sent into graphic joining controller through decoder by the data that in cascade operation supervisory layers 4, in switch receiving station of step Surveillance center, switch transmits, graphic joining controller output image signal, to mosaic screen, realizes real time monitoring, out-of-limit inspection, process monitoring, system exception, fault and accident alarming by mosaic screen; Wherein:
A. real time monitoring
Operator can carry out real-time running state and operational factor supervision by mosaic screen to capital equipments such as power station water conservancy machinery, unit, distribution system, synergic systems.
B. out-of-limit inspection
Mosaic screen carries out out-of-limit supervision to some parameter and calculated data, and these process comprise off-limit alarm, gradient off-limit alarm, automatically display, record and print.
C. process monitoring
Monitor that unit is opened, stopping process.The main operational steps of procedure for displaying on mosaic screen, when generating process blocks, in splicing screen display retardance reason, and is transformed into safe condition or shutdown by unit automatically.
D. supervisory control system is abnormal
Monitor and carry out alert process.
E. fault and accident alarming
When power station operation troubles and accident occur, cascade operation supervisory layers 4 is reported to the police immediately.Distinguish heterogeneity alarm signal with different colors during mosaic screen display alarm content, trouble signal is reported to the police as red, and fault-signal is reported to the police as yellow, is green after signal return.
The data that station level 2 transmits according to switch in station and the signal of work station control power station equipment and regulate, power station equipment comprises power station unit, circuit breaker and auxiliary equipment, and control and the type regulated comprise the closed-loop adjustment of set state conversion, unit active power, reactive power; Circuit breaker point/closing operation; Auxiliary equipment and shared device open/stop operation.Control mode is mainly divided into control and equipment now three grades in a scheduling distant place, power station, and from bottom to up, the control mode of station level 2 mainly uses front two-stage to priority at ordinary times, and equipment is now only for debugging and emergency processing.
Claims (4)
1. the unattended and remote central control in a step hydropower station, it is characterized in that: comprise power station in-house network network layers, station level, Internet Transmission key-course and cascade operation supervisory layers between power station, described power station in-house network network layers comprises monitor workstation, telecontrol communication shields, communication DC device, switchyard and public LCU shield, multiple LCU for generator set screen, in station in described monitor workstation shields with telecontrol communication, switch is connected, described communication DC device is connected with switch in station, in standing, switch shields with multiple LCU for generator set respectively, switchyard and public LCU shield, station level, between power station, Internet Transmission key-course is connected, between power station, Internet Transmission key-course is connected with cascade operation supervisory layers.
2. the unattended and remote central control in step hydropower station as claimed in claim 1, it is characterized in that: between described power station, Internet Transmission key-course comprises step Surveillance center switch and multiple power stations telemechanical screen, the series connection mutually of multiple power stations telemechanical screen, and two the power station telemechanicals screens being positioned at two ends after series connection are connected with step Surveillance center switch, in the station in telemechanical screen in each power station all shields with telecontrol communication, switch is connected.
3. the unattended and remote central control in step hydropower station as claimed in claim 1, it is characterized in that: described cascade operation supervisory layers comprises work station, graphic joining controller, mosaic screen, decoder, described work station is connected with step Surveillance center switch, step Surveillance center switch is connected with graphic joining controller through decoder, and graphic joining controller is connected with mosaic screen.
4. the unattended and remote central control in step hydropower station as claimed in claim 1, it is characterized in that: described each LCU for generator set screen includes switch, PLC, touch-screen and data acquisition unit, described data acquisition unit is connected with PLC, PLC is connected with touch-screen, switch respectively, and in the station in described switch shields with telecontrol communication, switch is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289660.6U CN204538823U (en) | 2015-05-07 | 2015-05-07 | A kind of step hydropower station is unattended and remote central control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289660.6U CN204538823U (en) | 2015-05-07 | 2015-05-07 | A kind of step hydropower station is unattended and remote central control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204538823U true CN204538823U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520289660.6U Active CN204538823U (en) | 2015-05-07 | 2015-05-07 | A kind of step hydropower station is unattended and remote central control |
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| CN (1) | CN204538823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603944A (en) * | 2016-03-04 | 2016-05-25 | 黄钰雪 | DCS control protection system of biomass power generation device added in hydropower station |
| CN109656187A (en) * | 2018-12-26 | 2019-04-19 | 华电郑州机械设计研究院有限公司 | More power station opening and closing device long-distance intelligent total management systems and method |
-
2015
- 2015-05-07 CN CN201520289660.6U patent/CN204538823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603944A (en) * | 2016-03-04 | 2016-05-25 | 黄钰雪 | DCS control protection system of biomass power generation device added in hydropower station |
| CN109656187A (en) * | 2018-12-26 | 2019-04-19 | 华电郑州机械设计研究院有限公司 | More power station opening and closing device long-distance intelligent total management systems and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 410205 Hunan province Changsha high-tech development zone Lusong Lu Valley Road No. 609 Patentee after: HNAC Technology Co., Ltd. Address before: 410205 Hunan Province, Xiangtan city high tech Development Zone Lusong Lu Valley Road No. 609 Patentee before: HNAC Technology Co., Ltd. |