CN203822536U - Hydro-turbine governor and fault recording system - Google Patents
Hydro-turbine governor and fault recording system Download PDFInfo
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- CN203822536U CN203822536U CN201420249723.0U CN201420249723U CN203822536U CN 203822536 U CN203822536 U CN 203822536U CN 201420249723 U CN201420249723 U CN 201420249723U CN 203822536 U CN203822536 U CN 203822536U
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- 238000005070 sampling Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000004458 analytical method Methods 0.000 claims description 16
- 230000003993 interaction Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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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
Abstract
The utility model provides a hydro-turbine governor and a fault recording system. The hydro-turbine governor comprises an electrical cabinet, a mechanical cabinet, an oil pressure device, a speed measuring device and an over-speed device. The electrical cabinet comprises a start signal collector, a storer and a main controller, wherein the start signal collector is connected with the main controller and used for collecting a fault recording start signal and sending the fault recording start signal to the main controller; the storer is connected with the main controller and used for storing preset fault recording time indexes, fault recording sampling rate indexes and fault recording parameters; the start signal collector and the storer are respectively connected with the main controller. As the hydro-turbine governor has a fault recording function, the reason why guide vanes of a power generation connection grid and pumping connection grid fail to be opened can be quickly analyzed in the later stage; besides, on-site quick positioning is facilitated for solving the other problems caused by the governor.
Description
Technical field
The utility model, about the equipment and technology in power station, particularly about the equipment and technology of water power plant, pumped storage power station, is a kind of hydrogovernor and accident record wave system system concretely.
Background technique
At present, water power plant, pumped storage power station are all provided with water pump/hydrogovernor, and water pump/hydrogovernor is one of major control equipment of water power plant and pumped storage power station.The general name of the several devices of work that existing water pump/hydrogovernor is made up of mechanism and the indicating meter etc. of realizing water turbine governing and corresponding control.Hydrogovernor is mainly made up of regulator cubicle, mechanical cabinet, oil gear, speed measurement device and overdrive etc.Realize by controlling stator rotating speed and the active power of controlling hydraulic generator unit and pumped storage unit.
Water power plant of the prior art is owing to being provided with above-mentioned hydrogovernor, after once there is unit generation start, unit entered unloaded state, now Monitoring and Control System for Hydropower Station is sent the instruction of electricity generation grid-connecting increasing load, and set generator outlet breaker combined floodgate rear guide vane is not opened and caused unit because the phenomenon of inverse probability or time delay chaser.
Pumped storage power station is owing to being provided with above-mentioned hydrogovernor, except there is above-mentioned situation in generating operation mode, also may there is following situation at pumping operation mode: the unit direction of drawing water starts to the phase modulation that the draws water state that is incorporated into the power networks, now stator is in closed condition, and Power Station Monitored Control System sends to draw water and makes rear guide vane not open causing the draw water phenomenon of failure of unit.
Now in water power plant or pumped storage power station, in the time that problem appears at night or morning, relevant speciality personnel are difficult to the scene of arriving in the very nick of time and obtain first-hand real data and then analyze reason, in the time that the relevant accident of speed regulator has caused that unit is opened or change working is failed, be difficult to analyze and solve problem, locate fast accident cause.In the time of electrical network occurrence frequency decline accident, needing speed regulator to open stator increases active power, to recover mains frequency.But existing power station often there will be the power of the assembling unit increase not enough or there is no the phenomenon of increase, causes meeting electrical network requirement, the speed regulator Inter parameter trend while carrying out cause analysis when thering is no accident, is difficult to analyze reason sometimes.
Above on-the-spot stator does not open (direction of drawing water) or stator does not continue to open after the situation appearance of (generating direction), being difficult to judgement is because speed regulator does not receive that the instruction of monitoring causes stator not opened and causes, or because speed regulator is received what speed regulator internal cause accident after monitored instruction caused stator open command not exported causing, or because the machinery hydraulic system (containing oil gear, mechanical cabinet) of speed regulator occurs what accident caused stator not opened causing.Hydrogovernor of the prior art is owing to recording wave energy, analyzes more difficultly while there is accident, is substantially difficult to find fast reason.
Therefore,, how for the present situation of hydropower industry speed regulator, developing the accident cause that a kind of water wheels speed regulator that possesses record wave energy occurs with rapid analysis water power plant, location or pumped storage power station is related domain technical barrier urgently to be resolved hurrily.
Model utility content
Cause analyzing while there is accident more difficult in order to solve hydrogovernor of the prior art owing to not recording wave energy, substantially be difficult to find fast the technical problem of reason, the utility model provides a kind of hydrogovernor and accident record wave system system, because hydrogovernor is recorded wave energy with accident, the reason that contributes to later stage rapid analysis electricity generation grid-connecting and the grid-connected stator that draws water not to open; Contribute to on-the-spot location fast to solve the other problem that speed regulator causes.
One of the purpose of this utility model is, a kind of hydrogovernor is provided, described hydrogovernor comprises regulator cubicle, mechanical cabinet, oil gear, speed measurement device and overdrive, wherein, described regulator cubicle comprises: actuating signal collector, be connected with master controller, for collection accident record ripple actuating signal, and described accident record ripple actuating signal be sent to described master controller; Storage, is connected with master controller, for storing predefined accident record ripple time index, accident wave-recording sampling rate index and accident record wave parameter; Master controller, be connected with described actuating signal collector, described storage respectively, for obtaining described accident record wave parameter, accident record ripple time index, accident wave-recording sampling rate index, accident record ripple actuating signal, and record the status data of hydrogovernor, obtain accident recorder data.
Preferably, described accident record ripple actuating signal comprises the actuating signal of primary frequency modulation actuating signal, the electric actuating signal of overrunning, trouble-signal, user's input, signal of communication and the hardwire signal that Power Station Monitored Control System sends.
Preferably, described signal of communication comprises electric accident chaser signal, mechanical accident chaser signal, stopping signal, and described hardwire signal comprises hardwire electric accident chaser signal, hardwire stopping signal.
Preferably, described actuating signal collector comprises: electric accident chaser relay, is connected with Power Station Monitored Control System, for gathering the electric accident chaser signal of described Power Station Monitored Control System output; Shut down relay, be connected with Power Station Monitored Control System, for gathering the stopping signal of described Power Station Monitored Control System output.
Preferably, described actuating signal collector also comprises: man-machine interaction panel, is connected with described master controller, for gathering the actuating signal of user's input.
Preferably, described man-machine interaction panel, is connected with described master controller, also for gathering the accident record ripple stop signal of user's input; Described storage, is connected with master controller, also for storing predefined record ripple stop signal; Described master controller, also for obtaining accident record ripple stop signal, the predefined accident record ripple stop signal of user's input, and stops recording the status data of hydrogovernor; Described storage, also for storing described accident recorder data.
Preferably, described accident record wave parameter at least comprises: guide vane opening is given, guide vane opening feedback, guide vane opening restriction, rotational speed setup, speed feedback, power given, Feedback of Power, water level, speed regulator operating conditions, generator outlet circuit breaker, primary frequency modulation action, alarm signal, speed regulator inside accident chaser signal, outside stopping signal, external electrical accident chaser signal.
Preferably, described accident record ripple time index is to be greater than 5 minutes before and after accident, described accident wave-recording sampling rate index for the highest accident wave-recording sampling rate be 50 points that are no less than per second, minimum accident wave-recording sampling rate is 10 points that are no less than per second.
Preferably, described master controller is programmable logic controller (PLC) PLC or programmable computer controller PCC.
One of the purpose of this utility model is, a kind of accident record wave system system is provided, and described accident record wave system turnkey is drawn together accident analysis instrument and hydrogovernor.
The beneficial effects of the utility model are, a kind of hydrogovernor and accident record wave system system are provided, because hydrogovernor is recorded wave energy with accident, and the reason that contributes to later stage rapid analysis electricity generation grid-connecting and the grid-connected stator that draws water not to open; Contribute to on-the-spot location fast to solve the other problem that speed regulator causes, can help quick and precisely locking accident of operation maintenance personnel source, alleviate line producers working pressure, by the follow-up off-line analysis to accident recorder data, can collect the development frequency of the similar accident of unit, for the safe and stable operation of unit provides technical support, help lend some impetus to the development of speed regulator cause and the progress of level.
For above and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structured flowchart that Fig. 1 unites for a kind of accident record wave system that the utility model embodiment provides;
The structured flowchart of a kind of hydrogovernor that Fig. 2 provides for the utility model embodiment;
The structured flowchart of regulator cubicle in a kind of hydrogovernor that Fig. 3 provides for the utility model embodiment;
The structured flowchart of the mode of execution one of actuating signal collector in a kind of hydrogovernor that Fig. 4 provides for the utility model embodiment;
The structured flowchart of the mode of execution two of actuating signal collector in a kind of hydrogovernor that Fig. 5 provides for the utility model embodiment;
The schematic diagram of the hydrogovernor with accident record wave energy that Fig. 6 provides for the utility model in specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of hydrogovernor and accident record wave system system, can help quick and precisely locking accident of operation maintenance personnel source, alleviate line producers working pressure, by the off-line analysis function of accident recorder data, can collect the development frequency of the similar accident of unit, for the safe and stable operation of unit provides technical support, help lend some impetus to the development of speed regulator cause and the progress of level.
The structured flowchart that Fig. 1 unites for a kind of accident record wave system that the utility model embodiment provides, as shown in Figure 1, described accident record wave system turnkey is drawn together accident analysis instrument 100 and hydrogovernor 200.
Described accident analysis instrument 100, for the accident recorder data of hydrogovernor is analyzed, can be by the mode of communication or the mode reading and saving by reading storage card the casualty data file in hydrogovernor, and parameter curve while showing accident and carry out data analysis.
Accident analysis instrument 100 is existing device of the prior art, and the utility model does not make improvements it.
The structured flowchart of a kind of hydrogovernor that Fig. 2 provides for the utility model embodiment, as shown in Figure 2, described hydrogovernor 200 comprises regulator cubicle 201, mechanical cabinet 202, oil gear 203, speed measurement device 204 and overdrive 205.Wherein, mechanical cabinet 202, oil gear 203, speed measurement device 204 and overdrive 205 are the existing device in hydrogovernor of the prior art, and the utility model does not make improvements it.
The structured flowchart of regulator cubicle in a kind of hydrogovernor that Fig. 3 provides for the utility model embodiment, as shown in Figure 3, regulator cubicle 201 specifically comprises:
Actuating signal collector 21, is connected with master controller 23, for collection accident record ripple actuating signal, and described accident record ripple actuating signal is sent to described master controller;
In concrete mode of execution, described accident record ripple actuating signal comprises the actuating signal of primary frequency modulation actuating signal, the electric actuating signal of overrunning, trouble-signal, user's input, signal of communication and the hardwire signal that Power Station Monitored Control System sends, and trouble-signal herein refers to the speed regulator serious accident signal that causes unit chaser.
Described signal of communication comprises electric accident chaser signal, mechanical accident chaser signal, stopping signal, and described hardwire signal comprises hardwire electric accident chaser signal, hardwire stopping signal.
Storage 22, is connected with master controller 23, for storing predefined accident record ripple time index, accident wave-recording sampling rate index and accident record wave parameter.In concrete mode of execution, described accident record ripple time index presets, and is greater than 5 minutes such as before and after accident.In concrete mode of execution, described accident wave-recording sampling rate index presets, and is 50 points that are no less than per second such as the highest accident wave-recording sampling rate, and minimum accident wave-recording sampling rate is 10 points that are no less than per second.In concrete mode of execution; described accident record wave parameter presets, such as comprising: guide vane opening is given, guide vane opening feedback, guide vane opening restriction, rotational speed setup, speed feedback, power given, Feedback of Power, water level, speed regulator operating conditions, generator outlet circuit breaker, primary frequency modulation action, alarm signal, speed regulator inside accident chaser signal, outside stopping signal, external electrical accident chaser signal.
Master controller 23, it is the core control part of speed regulator, be connected with described actuating signal collector 21, described storage 22 respectively, for obtaining described accident record wave parameter, accident record ripple time index, accident wave-recording sampling rate index, accident record ripple actuating signal, and record the status data of hydrogovernor, obtain accident recorder data.
The structured flowchart of the mode of execution one of actuating signal collector in a kind of hydrogovernor that Fig. 4 provides for the utility model embodiment, as shown in Figure 4, in mode of execution one, actuating signal collector comprises:
Electric accident chaser relay 211, is connected with Power Station Monitored Control System, for gathering the electric accident chaser signal of described Power Station Monitored Control System output;
Shut down relay 212, be connected with Power Station Monitored Control System, for gathering the stopping signal of described Power Station Monitored Control System output.
In this embodiment, be provided with relay, gather by relay the hardwire signal that Power Station Monitored Control System sends, relay mainly plays signal buffer action.
The structured flowchart of the mode of execution two of actuating signal collector in a kind of hydrogovernor that Fig. 5 provides for the utility model embodiment, as shown in Figure 5, in mode of execution two, actuating signal collector also comprises:
Man-machine interaction panel 213, is connected with described master controller, for gathering the actuating signal of user's input.User can be by inputting actuating signal such as man-machine interaction panel.
In other modes of the present utility model, described man-machine interaction panel 213, is connected with described master controller, also for gathering the accident record ripple stop signal of user's input.
Described storage, is connected with master controller, also for storing predefined record ripple stop signal.In concrete mode of execution, described accident record ripple stop signal comprises the stop signal of predefined record ripple stop signal, user's input.Predefined record ripple stop signal is set according to presetting the accident record wave duration.
Described master controller, also for obtaining accident record ripple stop signal, the predefined accident record ripple stop signal of user's input, and stops recording the status data of hydrogovernor.That is, accident record ripple started after the arrival record wave duration, stopped recording ripple or recorded in the process of ripple in accident according to predefined accident record ripple stop signal, and the stop signal of inputting in real time according to user stops recording ripple.
Described storage, also for storing described accident recorder data.
In embodiment of the present utility model, master controller can be realized by programmable logic controller (PLC) PLC or programmable computer controller PCC, as PCC, ATLAS, SAT1703 etc.
Below in conjunction with specific embodiment, introduce in detail the technical solution of the utility model.
The schematic diagram of the hydrogovernor with accident record wave energy that Fig. 6 provides for the utility model in specific embodiment.As shown in Figure 6, in this embodiment, supervisory system sends actuating signal, carries out accident record ripple and data preservation with the speed regulator of accident record wave energy, accident analysis instrument analysis accident record ripple.
1, the actuating signal that supervisory system sends comprises signal of communication and hardwire signal.Signal of communication is electric accident chaser signal, mechanical accident chaser signal and stopping signal.Hardwire signal is hardwire electric accident chaser signal and hardwire stopping signal.
2, can comprise in this embodiment relay, master controller (comprising accident record wave energy), storage and man-machine interaction panel with the speed regulator of accident record wave energy.
Relay: comprise electric accident chaser signal relay and shut down relay.Relay mainly plays signal buffer action.
Master controller: comprise the parameter that accident record ripple need to record, the parameter during can online record accident is also preserved.
Man-machine interaction panel: the startup of manually control accident record wave energy, stop parameter curve figure when demonstration accident.
Storage: save data.
3, accident analysis instrument can be by the mode of communication or the mode reading and saving by reading storage card the casualty data file in storage, and parameter curve while showing accident and carry out data analysis.
4, flow startup
● speed regulator compressor emergency shutdown signal, electric accident stopping signal, mechanical accident chaser signal that supervisory system communication comes.
● the hardwire signal that monitoring comes: electric accident chaser signal hardwire and stopping signal hardwire that monitoring comes.
● speed regulator master controller internal signal: primary frequency modulation actuating signal, the electric actuating signal of overrunning, cause the serious accident signal of unit chaser.
● the man-machine panel of speed regulator by communicate by letter come actuating signal: manual actuation of button signal.
5, flow process stops
● the accident record ripple time reaches after set time.
● speed regulator man-machine interaction panel is by the actuating signal of communicating by letter and: manually stop button signal.
In addition,, after due to a certain starting condition startup accident record wave energy, just, in accident record wave process, while having carried out again the condition of other startup accident record ripple, record ripple taking starting condition first as having led accident.
6, accident recorded wave file call number is made:
The number of files of storage should specifically can be determined according to storage space.
If the file index maximum value arranging is N, speed regulator accident recorded wave file call number can be selected from 1 to N by the mode of circulation, when last data index number, for N, speed regulator accident occurs again next time, the data file call number of preserving is set to 1, and file content covers preorder file.
7, the Storage & Display of accident recorder data
Man-machine interaction panel receives after the record ripple finishing control word from the master controller of speed regulator, and the storage in the future packet of autonomous controller is stored according to respective index number.
Index file can be in the enterprising line number of man-machine interaction panel according to the show and pattern exhibiting.
8, accident record wave energy technical requirements
1) accident record ripple time requirement:
Before and after accident, should be greater than 5 minutes.
2) accident recorder data sample rate requires:
The highest 50 points that are no less than per second, minimum 10 points that are no less than per second.
3) accident record ripple acquisition parameter requires:
Accident record ripple acquisition parameter at least should contain: guide vane opening is given, guide vane opening feedback, guide vane opening restriction, rotational speed setup, speed feedback, power given, Feedback of Power, water level, speed regulator operating conditions, generator outlet circuit breaker GCB, primary frequency modulation action, alarm signal, speed regulator inside accident chaser signal, outside stopping signal, external electrical accident chaser signal.
In sum, the utility model provides a kind of hydrogovernor and accident record wave system system, because hydrogovernor is recorded wave energy with accident, and the reason that contributes to later stage rapid analysis electricity generation grid-connecting and the grid-connected stator that draws water not to open; Contribute to on-the-spot location fast to solve the other problem that speed regulator causes, can help quick and precisely locking accident of operation maintenance personnel source, alleviate line producers working pressure, by the follow-up off-line analysis to accident recorder data, can collect the development frequency of the similar accident of unit, for the safe and stable operation of unit provides technical support, help lend some impetus to the development of speed regulator cause and the progress of level.
Those skilled in the art can also recognize that the various functions that the utility model embodiment lists are to realize by hardware or software the designing requirement of depending on specific application and whole system.Those skilled in the art can, for every kind of specific application, can make in all sorts of ways and realize described function, but this realization should not be understood to exceed the scope of the utility model embodiment protection.
In the utility model, applied specific embodiment principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (10)
1. a hydrogovernor, is characterized in that, described hydrogovernor comprises regulator cubicle, mechanical cabinet, oil gear, speed measurement device and overdrive, and wherein, described regulator cubicle specifically comprises:
Actuating signal collector, is connected with master controller, for collection accident record ripple actuating signal, and described accident record ripple actuating signal is sent to described master controller;
Storage, is connected with master controller, for storing predefined accident record ripple time index, accident wave-recording sampling rate index and accident record wave parameter;
Master controller, be connected with described actuating signal collector, described storage respectively, for obtaining described accident record wave parameter, accident record ripple time index, accident wave-recording sampling rate index, accident record ripple actuating signal, and record the status data of hydrogovernor, obtain accident recorder data.
2. hydrogovernor according to claim 1, it is characterized in that, described accident record ripple actuating signal comprises the actuating signal of primary frequency modulation actuating signal, the electric actuating signal of overrunning, trouble-signal, user's input, signal of communication and the hardwire signal that Power Station Monitored Control System sends.
3. hydrogovernor according to claim 2; it is characterized in that; described signal of communication comprises electric accident chaser signal, mechanical accident chaser signal, stopping signal, and described hardwire signal comprises hardwire electric accident chaser signal, hardwire stopping signal.
4. hydrogovernor according to claim 3, is characterized in that, described actuating signal collector comprises:
Electric accident chaser relay, is connected with Power Station Monitored Control System, for gathering the electric accident chaser signal of described Power Station Monitored Control System output;
Shut down relay, be connected with Power Station Monitored Control System, for gathering the stopping signal of described Power Station Monitored Control System output.
5. hydrogovernor according to claim 3, is characterized in that, described actuating signal collector also comprises:
Man-machine interaction panel, is connected with described master controller, for gathering the actuating signal of user's input.
6. hydrogovernor according to claim 5, is characterized in that:
Described man-machine interaction panel, is connected with described master controller, also for gathering the accident record ripple stop signal of user's input;
Described storage, is connected with master controller, also for storing predefined record ripple stop signal;
Described master controller, also for obtaining accident record ripple stop signal, the predefined accident record ripple stop signal of user's input, and stops recording the status data of hydrogovernor;
Described storage, also for storing described accident recorder data.
7. hydrogovernor according to claim 1; it is characterized in that, described accident record wave parameter at least comprises: guide vane opening is given, guide vane opening feedback, guide vane opening restriction, rotational speed setup, speed feedback, power given, Feedback of Power, water level, speed regulator operating conditions, generator outlet circuit breaker, primary frequency modulation action, alarm signal, speed regulator inside accident chaser signal, outside stopping signal, external electrical accident chaser signal.
8. hydrogovernor according to claim 1, it is characterized in that, described accident record ripple time index is to be greater than 5 minutes before and after accident, described accident wave-recording sampling rate index for the highest accident wave-recording sampling rate be 50 points that are no less than per second, minimum accident wave-recording sampling rate is 10 points that are no less than per second.
9. hydrogovernor according to claim 1, is characterized in that, described master controller is programmable logic controller (PLC) PLC or programmable computer controller PCC.
10. an accident record wave system system, is characterized in that, described accident record wave system turnkey is drawn together accident analysis instrument and the hydrogovernor as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249723.0U CN203822536U (en) | 2014-05-15 | 2014-05-15 | Hydro-turbine governor and fault recording system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249723.0U CN203822536U (en) | 2014-05-15 | 2014-05-15 | Hydro-turbine governor and fault recording system |
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| CN203822536U true CN203822536U (en) | 2014-09-10 |
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| CN201420249723.0U Expired - Lifetime CN203822536U (en) | 2014-05-15 | 2014-05-15 | Hydro-turbine governor and fault recording system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298735A (en) * | 2015-12-15 | 2016-02-03 | 张方庆 | Safe and reliable bulb tubular turbine generator power-on and power-off control method |
| CN107676218A (en) * | 2017-09-15 | 2018-02-09 | 中国长江电力股份有限公司 | A kind of giant turbine speed regulator master, which connects, follows fault judgment method |
| CN110005567A (en) * | 2019-04-18 | 2019-07-12 | 国电大渡河瀑布沟发电有限公司 | A kind of machine lifting of water-turbine generator set amount real-time high-precision monitoring device and monitoring method |
| CN113123920A (en) * | 2021-04-21 | 2021-07-16 | 雅砻江流域水电开发有限公司 | Method for preventing limiting fluctuation of opening degree of guide vane of speed regulator |
-
2014
- 2014-05-15 CN CN201420249723.0U patent/CN203822536U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298735A (en) * | 2015-12-15 | 2016-02-03 | 张方庆 | Safe and reliable bulb tubular turbine generator power-on and power-off control method |
| CN107676218A (en) * | 2017-09-15 | 2018-02-09 | 中国长江电力股份有限公司 | A kind of giant turbine speed regulator master, which connects, follows fault judgment method |
| CN110005567A (en) * | 2019-04-18 | 2019-07-12 | 国电大渡河瀑布沟发电有限公司 | A kind of machine lifting of water-turbine generator set amount real-time high-precision monitoring device and monitoring method |
| CN113123920A (en) * | 2021-04-21 | 2021-07-16 | 雅砻江流域水电开发有限公司 | Method for preventing limiting fluctuation of opening degree of guide vane of speed regulator |
| CN113123920B (en) * | 2021-04-21 | 2022-07-15 | 雅砻江流域水电开发有限公司 | Method for preventing limiting fluctuation of opening degree of guide vane of speed regulator |
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