CN205876591U - Monitoring of stator state and control system of single stator control speed regulator - Google Patents
Monitoring of stator state and control system of single stator control speed regulator Download PDFInfo
- Publication number
- CN205876591U CN205876591U CN201620858748.XU CN201620858748U CN205876591U CN 205876591 U CN205876591 U CN 205876591U CN 201620858748 U CN201620858748 U CN 201620858748U CN 205876591 U CN205876591 U CN 205876591U
- Authority
- CN
- China
- Prior art keywords
- stator
- wicket gate
- gate control
- guide vane
- control loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 230000010365 information processing Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses a monitoring of stator state and control system of single stator control speed regulator belongs to the stator state monitoring of single stator control speed regulator and controls technical field. Its technical scheme does: a monitoring of stator state and control system of single stator control speed regulator, wherein includes the information processing unit, the first stator control circuit of~N stator control circuit, transmission / receipt control circuit and display. The beneficial effects of the utility model are that: displacement sensor can be in time with the case movement displacement signal feedback of main distributing valve for the VCA3 current amplification card, through adjustment electro hydraulic servo valve in order to reach the regulation and control to the main distributing valve case, can gather, transmit, save and handle the important data parameter among the stator control circuit, the development trend of the asynchronous trouble of supervision stator carries on in advance that the stator is asynchronous to be declared in advance, report to the police to carry out the record to the asynchronous trouble of stator.
Description
Technical field
This utility model relates to the stator status monitoring of single wicket gate control speed regulator and controls technical field, particularly to one
Plant stator status monitoring and the control system of single wicket gate control speed regulator.
Background technology
At present, as the visual plant of regulation network load, the hydroenergy storage station governor control system of China starts
Advanced single wicket gate control mode, i.e. master controller (PLC) is used to reach to lead 22 by controlling 22 electro-hydraulic conversing circuits
The independence of leaf controls.Single wicket gate control mode has relative to the relay ring control mode of most of tradition hydroelectric power plants does not cut off
The advantages such as pin, control is the most accurate, water wheel chamber space for maintenance is big；On the contrary, main control valve is its that cause the asynchronous fault of stator
In a principal element, the monitoring of current stator state is to connect by one end of gate positing sensor is connected directly between stator
On power device, the stroke moved by servomotor i.e. guide vane opening actual value is converted to the standard current signal of 4-20mA and sends VCA3 to
Current amplifier card and PLC control system, the control electric current that electrohydraulic servo valve is transmitted by VCA3 Current amplifier card drives, thus mobile
Control bar and control the movement of main control valve spool, change the path communicated with oil-feed port and oil drain out to change guide vane servomotor phase
Should open the pressure in chamber and closedown chamber, guide vane servomotor is opened chamber and the pressure closed in chamber by main control valve control break, if
Occur that the spool moving displacement of main control valve is not enough to reach guide vane servomotor when opening chamber accordingly with the pressure closing chamber, will
Leaf divergence state is led in impact.
How to solve the above-mentioned problem that technical problem is that this utility model is faced.
Utility model content
In order to solve the deficiency of above-mentioned prior art, the purpose of this utility model is: provide a kind of single wicket gate control speed governing
The stator status monitoring of device and control system.
Invention thought of the present utility model is: is not enough to reach stator for the spool moving displacement of current main control valve and connects
When power device opens chamber accordingly with the pressure cutting out chamber, the problem leading leaf divergence state, this utility model design one will be affected
Plant stator status monitoring and the control system of single wicket gate control speed regulator, including information process unit, the first wicket gate control loop
～N wicket gate control loop, launch/receive control circuit and display.
The stator status monitoring of a kind of single wicket gate control speed regulator and control system, wherein, including information process unit, the
One wicket gate control loop～N wicket gate control loop, launch/receive control circuit and display；
Described information process unit includes being sequentially connected the data acquisition module connect, it is determined that module, timer, and PLC controls
System and alarm；
Described first wicket gate control loop～N wicket gate control loop include that the control end with described PLC control system is even
Connect VCA3 Current amplifier card, be connected to the electrohydraulic servo valve of described VCA3 Current amplifier card outfan, with described electrohydraulic servo valve
The main control valve that is connected of drive end, be connected to the guide vane servomotor of described main control valve drive end, be arranged on described stator
Stator on the guide vane teunnion of servomotor one end, the guide vane opening sensor being arranged on described guide vane servomotor, described stator
A jaw opening sensor wherein outfan connects described VCA3 Current amplifier card input, and its another outfan connects described data acquisition
The input of collection module；
Described first wicket gate control loop～N wicket gate control loop also include that input connects described main control valve spool
The displacement transducer of drive end, the outfan of institute's displacement sensors connects the input of described VCA3 Current amplifier card.
Wherein, described guide vane teunnion is arranged on the base ring of wicket gate control speed regulator of the hydraulic turbine, for the existing skill of this area
Art, does not repeats them here.
Described first wicket gate control loop～N wicket gate control loop, information process unit, launch/receive control circuit
It is sequentially connected with composition with display guide vane opening data signal in the first wicket gate control loop～N wicket gate control loop is sent out
Penetrate/receive control loop.
Described PLC control system, VCA3 Current amplifier card, electrohydraulic servo valve, main control valve, stator, and guide vane opening
Sensor is sequentially connected to connect to constitute and feeds back guide vane opening data signal in the first wicket gate control loop～N wicket gate control loop
Control loop；The guide vane opening signal calculated is passed in the VCA3 Current amplifier card of guide vane servomotor by PLC, VCA3 electric current
The signal received is converted to 4-20mA standard current signal and passes to electrohydraulic servo valve to control guide vane servomotor by amplification card
Open and close stroke；Wherein, VCA3 Current amplifier card is the state of the art, does not repeats them here.
Described PLC control system, VCA3 Current amplifier card, electrohydraulic servo valve, main control valve, stator, guide vane opening senses
Device, and data acquisition module be sequentially connected connect composition stator in the first wicket gate control loop～N wicket gate control loop is opened
Degrees of data signals collecting transmission channel.
Described PLC control system, VCA3 Current amplifier card, electrohydraulic servo valve, main control valve, stator, guide vane opening senses
Device, data acquisition module, it is determined that module, timer is sequentially connected and connects composition to the first wicket gate control loop～N wicket gate control
Guide vane opening data signal acquisition, judgement, in real time display/alert process passage in loop.
Described PLC control system, VCA3 Current amplifier card, electrohydraulic servo valve, main control valve, and displacement transducer is successively
It is connected to form the position signalling feedback control loop controlling main control valve spool.
The beneficial effects of the utility model are: displacement transducer can be in time by anti-for the spool moving displacement signal of main control valve
Feed VCA3 Current amplifier card, by adjusting electrohydraulic servo valve to reach the regulation and control to main control valve spool, and then realize leading
The pre-judgement of leaf state, it is possible to the significant data parameter in wicket gate control loop is acquired, transmits, stores and processes,
On friendly man-machine display device, stator state is shown and historical query in real time, the Developing Tendency of the monitoring asynchronous fault of stator
Gesture, carries out the asynchronous anticipation of stator, warning in advance, and fault asynchronous to stator carries out record.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the first wicket gate control loop in this utility model embodiment～the structured flowchart in N wicket gate control loop.
Wherein, reference is: 1, information process unit；1-1, data acquisition module；1-2, determination module；1-3, timing
Device；1-4, PLC control system；1-5, alarm；2, the first wicket gate control loop～N wicket gate control loop；2-1, VCA3 electricity
Banish kilocalorie；2-2, electrohydraulic servo valve；2-3, main control valve；2-4, guide vane servomotor；2-5, stator；2-6, guide vane opening sense
Device；2-7, displacement transducer；3, launch/receive controller；4, display.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme, the technical characterstic of scheme and advantage clearer, with
Lower combination drawings and Examples, are further elaborated to this utility model.Certainly, specific embodiment described herein
Only in order to explain this utility model, it is not used to limit this utility model.
Embodiment 1
Seeing Fig. 1 and Fig. 2, this utility model is: the stator status monitoring of a kind of single wicket gate control speed regulator and control system
System, wherein, including information process unit 1, the first wicket gate control loop～N wicket gate control loop 2, launches/receives control electricity
Road 3 and display 4；
Information process unit 1 includes being sequentially connected the data acquisition module 1-1 connect, it is determined that module 1-2, timer 1-3,
PLC control system 1-4 and alarm 1-5；
First wicket gate control loop～N wicket gate control loop 2 include that the control end with PLC control system 1-4 is connected
VCA3 Current amplifier card 2-1, is connected to the electrohydraulic servo valve 2-2 of VCA3 Current amplifier card 2-1 outfan, with electrohydraulic servo valve 2-
The main control valve 2-3 that the drive end of 2 is connected, is connected to the guide vane servomotor 2-4 of main control valve 2-3 drive end, is arranged on and leads
Stator 2-5 on the guide vane teunnion of leaf servomotor 2-4 one end, the guide vane opening sensor 2-being arranged on guide vane servomotor 2-4
6, a guide vane opening sensor 2-6 wherein outfan connects VCA3 Current amplifier card 2-1 input, and its another outfan connects number
Input according to acquisition module 1-1；
First wicket gate control loop～N wicket gate control loop 2 also include that input connects main control valve 2-3 spool and drives
The outfan of the displacement transducer 2-7, displacement transducer 2-7 of end connects the input of VCA3 Current amplifier card 2-1.
Wherein, guide vane teunnion is arranged on the base ring of wicket gate control speed regulator of the hydraulic turbine, for the state of the art,
This repeats no more.
First wicket gate control loop～N wicket gate control loop 2, information process unit 1, launch/receive control circuit 3 He
Display 4 is sequentially connected with composition and sends out guide vane opening data signal in the first wicket gate control loop～N wicket gate control loop
Penetrate/receive control loop.
PLC control system 1-4, VCA3 Current amplifier card 2-1, electrohydraulic servo valve 2-2, main control valve 2-3, stator 2-5, with
And guide vane opening sensor 2-6 is sequentially connected to connect to constitute and opens stator in the first wicket gate control loop～N wicket gate control loop
Degrees of data signal feedback control loop.
PLC control system 1-4, VCA3 Current amplifier card 2-1, electrohydraulic servo valve 2-2, main control valve 2-3, stator 2-5, lead
Leaf jaw opening sensor 2-6, and data acquisition module 1-1 be sequentially connected connect composition to the first wicket gate control loop～N stator
Control guide vane opening data signal acquisition transmission channel in loop.
PLC control system 1-4, VCA3 Current amplifier card 2-1, electrohydraulic servo valve 2-2, main control valve 2-3, stator 2-5, lead
Leaf jaw opening sensor 2-6, data acquisition module 1-1, it is determined that module 1-2, timer 1-3 are sequentially connected and connect composition to the first stator
Control guide vane opening data signal acquisition in loop～N wicket gate control loop, judgement, in real time display/alert process passage.
PLC control system 1-4, VCA3 Current amplifier card 2-1, electrohydraulic servo valve 2-2, main control valve 2-3, and displacement pass
Sensor 2-7 is sequentially connected to connect and constitutes the position signalling feedback control loop controlling main control valve spool.
This utility model can pass through or use prior art to realize without the technical characteristic described, and does not repeats them here,
Certainly, described above is not to restriction of the present utility model, and this utility model is also not limited to the example above, and this technology is led
Change that the those of ordinary skill in territory is made in essential scope of the present utility model, retrofit, add or replace, also should belong to
This utility model.
Claims (6)
1. the stator status monitoring of a single wicket gate control speed regulator and control system, it is characterised in that:
Including information process unit (1), the first wicket gate control loop～N wicket gate control loop (2), launch/receive control electricity
Road (3) and display (4)；
Described information process unit (1) includes being sequentially connected the data acquisition module (1-1) connect, it is determined that module (1-2), timer
(1-3), PLC control system (1-4) and alarm (1-5)；
Described first wicket gate control loop～N wicket gate control loop (2) include and the control of described PLC control system (1-4)
End connects VCA3 Current amplifier card (2-1), is connected to the electrohydraulic servo valve (2-of described VCA3 Current amplifier card (2-1) outfan
2), the main control valve (2-3) being connected with the drive end of described electrohydraulic servo valve (2-2), it is connected to described main control valve (2-3)
The guide vane servomotor (2-4) of drive end, the stator (2-5) being arranged on the guide vane teunnion of described guide vane servomotor (2-4) one end,
The guide vane opening sensor (2-6) being arranged on described guide vane servomotor (2-4), described guide vane opening sensor (2-6) is wherein
One outfan connects described VCA3 Current amplifier card (2-1) input, and its another outfan connects described data acquisition module (1-
1) input；
Described first wicket gate control loop～N wicket gate control loop (2) also include that input connects described main control valve (2-3)
The displacement transducer (2-7) of spool drive end, the outfan of institute's displacement sensors (2-7) connects described VCA3 Current amplifier card
(2-1) input.
The stator status monitoring of single wicket gate control speed regulator the most according to claim 1 and control system, it is characterised in that:
Described first wicket gate control loop～N wicket gate control loop (2), information process unit (1), launch/receive control circuit (3)
It is sequentially connected with composition to guide vane opening data signal in the first wicket gate control loop～N wicket gate control loop with display (4)
Transmitting/reception control loop.
The stator status monitoring of single wicket gate control speed regulator the most according to claim 1 and control system, it is characterised in that:
Described PLC control system (1-4), VCA3 Current amplifier card (2-1), electrohydraulic servo valve (2-2), main control valve (2-3), stator
(2-5), and guide vane opening sensor (2-6) be sequentially connected connect composition the first wicket gate control loop～N wicket gate control are returned
Guide vane opening data signal feedback control loop in road.
The stator status monitoring of single wicket gate control speed regulator the most according to claim 1 and control system, it is characterised in that:
Described PLC control system (1-4), VCA3 Current amplifier card (2-1), electrohydraulic servo valve (2-2), main control valve (2-3), stator
(2-5), guide vane opening sensor (2-6), and data acquisition module (1-1) be sequentially connected connect composition the first wicket gate control is returned
Guide vane opening data signal acquisition transmission channel in road～N wicket gate control loop.
The stator status monitoring of single wicket gate control speed regulator the most according to claim 1 and control system, it is characterised in that:
Described PLC control system (1-4), VCA3 Current amplifier card (2-1), electrohydraulic servo valve (2-2), main control valve (2-3), stator
(2-5), guide vane opening sensor (2-6), data acquisition module (1-1), it is determined that module (1-2), timer (1-3) is sequentially connected
Connect composition to guide vane opening data signal acquisition, judgement in the first wicket gate control loop～N wicket gate control loop, show in real time
Show/alert process passage.
The stator status monitoring of single wicket gate control speed regulator the most according to claim 1 and control system, it is characterised in that:
Described PLC control system (1-4), VCA3 Current amplifier card (2-1), electrohydraulic servo valve (2-2), main control valve (2-3), Yi Jiwei
Displacement sensor (2-7) is sequentially connected to connect and constitutes the position signalling feedback control loop controlling main control valve spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858748.XU CN205876591U (en) | 2016-08-10 | 2016-08-10 | Monitoring of stator state and control system of single stator control speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858748.XU CN205876591U (en) | 2016-08-10 | 2016-08-10 | Monitoring of stator state and control system of single stator control speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876591U true CN205876591U (en) | 2017-01-11 |
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ID=57703526
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858748.XU Expired - Fee Related CN205876591U (en) | 2016-08-10 | 2016-08-10 | Monitoring of stator state and control system of single stator control speed regulator |
Country Status (1)
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|---|---|
| CN (1) | CN205876591U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939577A (en) * | 2017-11-28 | 2018-04-20 | 南瑞集团有限公司 | A kind of hydrogovernor proportional servo valve on-line fault diagnosis method |
| CN108223241A (en) * | 2018-01-12 | 2018-06-29 | 国家电网公司 | A kind of guide vane feeds back breakdown judge logical method |
| CN109751174A (en) * | 2019-03-08 | 2019-05-14 | 国家电网有限公司 | A kind of hydraulic turbine list guide vane servomotor detection system |
| CN109798281A (en) * | 2019-01-10 | 2019-05-24 | 中国长江电力股份有限公司 | Governor master matches and the hydraulic system for tracking intelligent fault diagnosis processing method of proportioning valve |
| CN110333092A (en) * | 2019-07-18 | 2019-10-15 | 贵州电网有限责任公司 | A kind of judgment method of small-sized hydro turbine governor guide vane abnormal signal failure |
| CN112504106A (en) * | 2020-12-08 | 2021-03-16 | 中国长江电力股份有限公司 | Displacement monitoring device and method for main distributing valve of water turbine speed regulator |
| CN112526977A (en) * | 2020-12-09 | 2021-03-19 | 中国长江电力股份有限公司 | Intelligent proportional valve with health state indication |
| CN112901409A (en) * | 2021-01-18 | 2021-06-04 | 中国长江电力股份有限公司 | Automatic intelligent setting method and system for measuring range of speed regulator servomotor displacement sensor |
| CN114439676A (en) * | 2021-12-25 | 2022-05-06 | 华能澜沧江水电股份有限公司 | Hydraulic turbine governor hydraulic fault accurate analysis system and method |
-
2016
- 2016-08-10 CN CN201620858748.XU patent/CN205876591U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939577B (en) * | 2017-11-28 | 2019-04-23 | 南瑞集团有限公司 | A kind of hydrogovernor proportional servo valve on-line fault diagnosis method |
| CN107939577A (en) * | 2017-11-28 | 2018-04-20 | 南瑞集团有限公司 | A kind of hydrogovernor proportional servo valve on-line fault diagnosis method |
| CN108223241A (en) * | 2018-01-12 | 2018-06-29 | 国家电网公司 | A kind of guide vane feeds back breakdown judge logical method |
| CN108223241B (en) * | 2018-01-12 | 2020-11-10 | 国家电网公司 | Guide vane feedback fault judgment logic method |
| CN109798281B (en) * | 2019-01-10 | 2020-05-12 | 中国长江电力股份有限公司 | Intelligent fault diagnosis and processing method for main distribution and proportional valve hydraulic following system of speed regulator |
| CN109798281A (en) * | 2019-01-10 | 2019-05-24 | 中国长江电力股份有限公司 | Governor master matches and the hydraulic system for tracking intelligent fault diagnosis processing method of proportioning valve |
| CN109751174A (en) * | 2019-03-08 | 2019-05-14 | 国家电网有限公司 | A kind of hydraulic turbine list guide vane servomotor detection system |
| CN110333092A (en) * | 2019-07-18 | 2019-10-15 | 贵州电网有限责任公司 | A kind of judgment method of small-sized hydro turbine governor guide vane abnormal signal failure |
| CN112504106A (en) * | 2020-12-08 | 2021-03-16 | 中国长江电力股份有限公司 | Displacement monitoring device and method for main distributing valve of water turbine speed regulator |
| CN112526977A (en) * | 2020-12-09 | 2021-03-19 | 中国长江电力股份有限公司 | Intelligent proportional valve with health state indication |
| CN112901409A (en) * | 2021-01-18 | 2021-06-04 | 中国长江电力股份有限公司 | Automatic intelligent setting method and system for measuring range of speed regulator servomotor displacement sensor |
| CN114439676A (en) * | 2021-12-25 | 2022-05-06 | 华能澜沧江水电股份有限公司 | Hydraulic turbine governor hydraulic fault accurate analysis system and method |
| CN114439676B (en) * | 2021-12-25 | 2024-01-26 | 华能澜沧江水电股份有限公司 | Hydraulic fault accurate analysis system and method for hydraulic turbine speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20180810 |
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| CF01 | Termination of patent right due to non-payment of annual fee |