CN205779454U - A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure - Google Patents
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure Download PDFInfo
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- CN205779454U CN205779454U CN201620296391.0U CN201620296391U CN205779454U CN 205779454 U CN205779454 U CN 205779454U CN 201620296391 U CN201620296391 U CN 201620296391U CN 205779454 U CN205779454 U CN 205779454U
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- valve
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- turbine
- speed regulator
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Control Of Water Turbines (AREA)
Abstract
The utility model discloses a kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure; including the stator main control valve, emergency distributing valve and the guide vane servomotor that are sequentially connected, the stator being connected with stator main control valve respectively manually part, the electro-hydraulic part of stator, emergency shutdown part, fuel feeding part and oil return part；Described emergency shutdown part uses the redundant configuration mode being installed in parallel, including the first emergency stop valve being in parallel and the second emergency stop valve；Described first emergency stop valve and the second emergency stop valve are powered by with independent DC source.This utility model provides the turbine-generator units speed regulator system using the configuration of emergency shutdown dual redundant; there is the advantages such as compact conformation, easy accessibility, making be easy, safe and reliable, practical; control accuracy and response speed can be greatly improved; so that it is guaranteed that unit can be shut down by correct operation under abnormal extreme operating condition, ensure equipment security reliability.
Description
Technical field
This utility model relates to a kind of speed regulator system, particularly relates to a kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure, and belongs to water turbine governing and controls technical field.
Background technology
Because existing newly-built power plant is all to build, so reliability and regulation quality to speed regulator have higher requirement by the design concept of " unattended, few man on duty ".But; original speed regulator system typically uses single system emergency shutdown to design requirement; it can not well control the turbine-generator units correct shutdown action under abnormal extreme operating condition; the existing requirement to the quality of power supply and the technical need of " unattended; few man on duty " can not be met, so the security reliability of the turbine-generator units speed regulator system in power plant needs to be strengthened further.
Utility model content
Main purpose of the present utility model is; overcome deficiency of the prior art; the turbine-generator units speed regulator system using the configuration of emergency shutdown dual redundant that a kind of compact conformation, easy accessibility, making are easy, safe and reliable, practical is provided; control accuracy and response speed can be greatly improved; so that it is guaranteed that unit can be shut down by correct operation under abnormal extreme operating condition, ensure equipment security reliability.
In order to achieve the above object, this utility model be the technical scheme is that
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure; including the stator main control valve, emergency distributing valve and the guide vane servomotor that are sequentially connected, the stator being connected with stator main control valve respectively manually part, the electro-hydraulic part of stator, emergency shutdown part, fuel feeding part and oil return part；Described emergency shutdown part uses the redundant configuration mode being installed in parallel, including the first emergency stop valve being in parallel and the second emergency stop valve；Described first emergency stop valve and the second emergency stop valve are powered by with independent DC source.
This utility model is further arranged to: described stator manually part uses stator manual operating valve.
This utility model is further arranged to: the electro-hydraulic part of described stator uses double proportioning valve redundant configuration mode, including the first stator electro-hydraulic proportional valve being in parallel and the second stator electro-hydraulic proportional valve and redundancy switching valve；The outfan of described first stator electro-hydraulic proportional valve and the second stator electro-hydraulic proportional valve is all connected with stator main control valve by redundancy switching valve.
This utility model is further arranged to: described fuel feeding part includes pressure oil tank, oil filter, duplex oil filter, subsection and closed device and purely mechanic runaway governor, described pressure oil tank by main stop valve respectively with stator main control valve, emergency distributing valve, oil filter is connected with duplex oil filter, the outfan of described oil filter respectively with emergency distributing valve, subsection and closed device is connected with purely mechanic runaway governor, the input of described duplex oil filter is connected with stator main control valve, the outfan of duplex oil filter is connected with the first emergency stop valve and the second emergency stop valve respectively；Described subsection and closed device is connected between emergency distributing valve and guide vane servomotor.
This utility model is further arranged to: described pressure oil tank connects automatic air supply device, air-safety valve, pressure controlling section and big electric-motor pump group；Described pressure controlling section includes pressure oil tank liquidometer, pressure transmitter and the Pressure gauge being connected respectively, and the pressure switch being connected between Pressure gauge and pressure oil tank with pressure oil tank.
This utility model is further arranged to: described oil return part includes oil sump tank, magnetic flap level gauge, sensing water content mixed in oil signal indicator and the air filter being all connected with oil sump tank, and return line.
This utility model is further arranged to: described guide vane servomotor connects stator displacement transducer.
This utility model is further arranged to: the energising action type electromagnetic valve that described first emergency stop valve and the second emergency stop valve all use model to be RPE-102J15/20500E1S1.
Compared with prior art, this utility model has the beneficial effect that
By the control technology of the single system emergency shutdown of original speed regulator system is carried out technological transformation; emergency shutdown part uses the redundant configuration mode being installed in parallel; and each emergency stop valve all uses independent DC source to be powered; not only can ensure that unit can be shut down by correct operation under abnormal extreme operating condition, ensure equipment security reliability；And by setting up emergency shutdown loss protecting, electrical equipment can be avoided still to lose Global Macros function because working power disappears, thus meet the technical need of " unattended, few man on duty ".
Foregoing is only the general introduction of technical solutions of the utility model, and in order to be better understood upon technological means of the present utility model, the utility model will be further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure of this utility model.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further described.
As shown in Figure 1; a kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure; including the stator main control valve 1 being sequentially connected, emergency distributing valve 2 and guide vane servomotor 3, the stator being connected with stator main control valve 1 respectively manually part, the electro-hydraulic part of stator, emergency shutdown part, fuel feeding part and oil return part.
Described stator manually part uses stator manual operating valve 4.
The electro-hydraulic part of described stator uses double proportioning valve redundant configuration mode, including the first stator electro-hydraulic proportional valve 5 being in parallel and the second stator electro-hydraulic proportional valve 6 and redundancy switching valve 7；Described first stator electro-hydraulic proportional valve 5 is all connected with stator main control valve 1 by redundancy switching valve 7 with the outfan of the second stator electro-hydraulic proportional valve 6.
Described emergency shutdown part uses the redundant configuration mode being installed in parallel, including the first emergency stop valve 8 and the second emergency stop valve 9 being in parallel；Described first emergency stop valve 8 and the second emergency stop valve 9 are powered by with independent DC source.The energising action type electromagnetic valve that described first emergency stop valve 8 and the second emergency stop valve 9 all use model to be RPE-102J15/20500E1S1.
Described fuel feeding part includes pressure oil tank 10, oil filter 11, duplex oil filter 12, subsection and closed device 13 and purely mechanic runaway governor 14, described pressure oil tank 10 by main stop valve 15 respectively with stator main control valve 1, emergency distributing valve 2, oil filter 11 is connected with duplex oil filter 12, the outfan of described oil filter 11 respectively with emergency distributing valve 2, subsection and closed device 13 is connected with purely mechanic runaway governor 14, the input of described duplex oil filter 12 is connected with stator main control valve 1, the outfan of duplex oil filter 12 is connected with the first emergency stop valve 8 and the second emergency stop valve 9 respectively；Described subsection and closed device 13 is connected between emergency distributing valve 2 and guide vane servomotor 3.
Described pressure oil tank 10 connects automatic air supply device 101, air-safety valve 102, pressure controlling section and big electric-motor pump group 16；Described pressure controlling section includes pressure oil tank liquidometer 103, pressure transmitter 104 and the Pressure gauge 105 being connected respectively, and the pressure switch 106 being connected between Pressure gauge 105 and pressure oil tank 10 with pressure oil tank 10.
Described oil return part includes oil sump tank 17, the magnetic flap level gauge 18 being all connected, sensing water content mixed in oil signal indicator 19 and air filter 20, and return line 21 with oil sump tank 17.
Described guide vane servomotor 3 connects stator displacement transducer 30.
Innovative point of the present utility model is, by the control technology of the single system emergency shutdown of original speed regulator system is carried out technological transformation, emergency shutdown part uses the redundant configuration mode being installed in parallel, and each emergency stop valve all uses independent DC source to be powered, through practical test, equipment normal operation can be realized, there is not malfunction, the phenomenons such as tripping, when it is tested by maintenance every time all correctly reliably, and control accuracy is high, fast response time, thus can ensure that unit can be shut down by correct operation under abnormal extreme operating condition, guarantee equipment security reliability, and meet " unattended, few man on duty " technical need.
The above, it it is only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, although this utility model is disclosed above with preferred embodiment, but it is not limited to this utility model, any those skilled in the art, in the range of without departing from technical solutions of the utility model, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solutions of the utility model, any simple modification above example made according to technical spirit of the present utility model, equivalent variations and modification, all still fall within the range of technical solutions of the utility model.
Claims (8)
1. the turbine-generator units speed regulator system using emergency shutdown dual redundant to configure; it is characterized in that: include stator main control valve, emergency distributing valve and the guide vane servomotor being sequentially connected, the stator being connected with stator main control valve respectively manually part, the electro-hydraulic part of stator, emergency shutdown part, fuel feeding part and oil return part；Described emergency shutdown part uses the redundant configuration mode being installed in parallel, including the first emergency stop valve being in parallel and the second emergency stop valve；Described first emergency stop valve and the second emergency stop valve are powered by with independent DC source.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1, it is characterised in that: described stator manually part uses stator manual operating valve.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1; it is characterized in that: the electro-hydraulic part of described stator uses double proportioning valve redundant configuration mode, including the first stator electro-hydraulic proportional valve being in parallel and the second stator electro-hydraulic proportional valve and redundancy switching valve；The outfan of described first stator electro-hydraulic proportional valve and the second stator electro-hydraulic proportional valve is all connected with stator main control valve by redundancy switching valve.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1, it is characterized in that: described fuel feeding part includes pressure oil tank, oil filter, duplex oil filter, subsection and closed device and purely mechanic runaway governor, described pressure oil tank by main stop valve respectively with stator main control valve, emergency distributing valve, oil filter is connected with duplex oil filter, the outfan of described oil filter respectively with emergency distributing valve, subsection and closed device is connected with purely mechanic runaway governor, the input of described duplex oil filter is connected with stator main control valve, the outfan of duplex oil filter is connected with the first emergency stop valve and the second emergency stop valve respectively；Described subsection and closed device is connected between emergency distributing valve and guide vane servomotor.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 4, it is characterised in that: described pressure oil tank connects automatic air supply device, air-safety valve, pressure controlling section and big electric-motor pump group；Described pressure controlling section includes pressure oil tank liquidometer, pressure transmitter and the Pressure gauge being connected respectively, and the pressure switch being connected between Pressure gauge and pressure oil tank with pressure oil tank.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1; it is characterized in that: described oil return part includes oil sump tank; magnetic flap level gauge, sensing water content mixed in oil signal indicator and the air filter being all connected with oil sump tank, and return line.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1, it is characterised in that: described guide vane servomotor connects stator displacement transducer.
A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure the most according to claim 1, it is characterised in that: the energising action type electromagnetic valve that described first emergency stop valve and the second emergency stop valve all use model to be RPE-102J15/20500E1S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296391.0U CN205779454U (en) | 2016-04-11 | 2016-04-11 | A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296391.0U CN205779454U (en) | 2016-04-11 | 2016-04-11 | A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779454U true CN205779454U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620296391.0U Active CN205779454U (en) | 2016-04-11 | 2016-04-11 | A kind of turbine-generator units speed regulator system using emergency shutdown dual redundant to configure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236554A (en) * | 2018-09-17 | 2019-01-18 | 国家电网有限公司 | Guide vane closes system and its control method when pump-storage generator failure |
| CN110080934A (en) * | 2019-06-04 | 2019-08-02 | 东方电气自动控制工程有限公司 | Hydrogovernor with start and stop defencive function |
-
2016
- 2016-04-11 CN CN201620296391.0U patent/CN205779454U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236554A (en) * | 2018-09-17 | 2019-01-18 | 国家电网有限公司 | Guide vane closes system and its control method when pump-storage generator failure |
| CN110080934A (en) * | 2019-06-04 | 2019-08-02 | 东方电气自动控制工程有限公司 | Hydrogovernor with start and stop defencive function |
| CN110080934B (en) * | 2019-06-04 | 2024-04-12 | 东方电气自动控制工程有限公司 | Water turbine speed regulator with start-stop protection function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 565300 Yanhe Tujia Autonomous County, Tongren, Guizhou Patentee after: Guizhou Wujiang Hydropower Development Co. Ltd. Shatuo power plant Patentee after: Nanjing Hehai Nanzi Hydropower Automation Co., Ltd. Address before: 565300 Yanhe Tujia Autonomous County, Tongren, Guizhou Patentee before: Guizhou Wujiang Hydropower Development Co. Ltd. Sha Tuo power plant Patentee before: Nanjing Hehai Nanzi Hydropower Automation Co., Ltd. |