CN110412864A - Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing - Google Patents

Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing Download PDF

Info

Publication number
CN110412864A
CN110412864A CN201910725609.8A CN201910725609A CN110412864A CN 110412864 A CN110412864 A CN 110412864A CN 201910725609 A CN201910725609 A CN 201910725609A CN 110412864 A CN110412864 A CN 110412864A
Authority
CN
China
Prior art keywords
test
governor
frequency
speed
adpss
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.)
Granted
Application number
CN201910725609.8A
Other languages
Chinese (zh)
Other versions
CN110412864B (en
Inventor
李登峰
刘育明
金学铭
王官宏
司萌
李小菊
杨旼才
刘霜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
Priority to CN201910725609.8A priority Critical patent/CN110412864B/en
Publication of CN110412864A publication Critical patent/CN110412864A/en
Application granted granted Critical
Publication of CN110412864B publication Critical patent/CN110412864B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00Automatic controllers
    • G05B11/01Automatic controllers electric
    • G05B11/36Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
    • G05B11/42Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

The invention discloses a kind of Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing, and described method includes following steps: the main ring pid parameter of subsection setup Turbine Governor System;Electric system closed-loop simulation environment is built according to the main ring pid parameter;Frequency disturbance test, the test of hunting of frequency wave shape playback and the general logic testing of governor are carried out based on the electric system closed-loop simulation environment;Feedback regulation is carried out to the main ring pid parameter according to the test result of frequency disturbance test, the test of hunting of frequency wave shape playback and the general logic testing of governor.The main ring pid parameter of the method for the present invention proposition subsection setup Turbine Governor System, and carry out corresponding frequency disturbance test, the test of hunting of frequency wave shape playback and the general logic testing of governor, hydrogovernor can be adjusted according to segmentation conclusion, to slow down the influence of water turbine set water hammer effect, ultra-low frequency oscillation rejection ability is promoted.

Description

Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing
Technical field
The present invention relates to technical field of power systems, especially a kind of Turbine Governor System Shift speed segmentally rate test method And readable storage medium storing program for executing.
Background technique
In recent years, with China installation scale it is growing, power grid scale constantly expands, and power grid construction has obtained quickly Development, great changes also have occurred in electric network composition, first is that the Huge Power Stations group such as Three Gorges, the Lancang River, Yalong river valley, adopts mostly Guangdong, East China are transported to extra-high voltage direct-current mode, and southwestern power grid will be exchanged by extra-high voltage direct-current and Sichuan, Yunnan etc. Major network forms Asynchronous Interconnection mode, and there are networking/decoupled mode variations, brings new ask to the security and stability control of power grid Topic.Second is that southwest such as Yunnan Sichuan Hydropower accounts for relatively high, end in March, 2017, Sichuan Hydropower installation is more than that the whole province installs 80%, Yunnan hydropower account for the whole province installation 70%." water hammer effect " the bring negative damping of high accounting hydroelectric system will be significant Change existing stabilization of power grids characteristic, the ultra-low frequency oscillation of mains frequency will be caused when serious.
During the hydraulic turbine operates water distributor, due to opening or closing suddenly for guide vane, make in penstock Water flow velocity changes suddenly, causes in pipeline that pressure generates repeatedly and change dramatically, this phenomenon are known as water hammer.When water hammer is existing When as occurring, cause the equipment variation subject to large compressive on pipeline and pipeline;Unit is shown as in the unit of on-load There is reversed adjusting phenomenon in active power.Investigation and data analysis, the water hammer effect of water turbine set based on multiple power stations are main Guide vane is appeared in open and close in the fast-changing period, and quickly variation depends primarily on hydrogovernor control for guide vane opening and closing System.
The control strategy of hydrogovernor is not met by the new variation of power grid at present, such as in May, 2016 south electric network Carry out the bulk testing of Yunnan Asynchronous Interconnection, during carrying out asynchronous rear System Small Disturbance test, the fluctuation of the power grid frequency of occurrences, range Between 49.9Hz~50.1Hz, after take and move back AGC, exit major hydroelectric power plant's primary frequency modulation and just settle out.2012, brocade Soviet Union Also frequency of occurrences unusual fluctuations phenomenon in the test of direct current isolated island, period of waves about 14s, amplitude reaches ± 0.25Hz.2015 1 Month, there are unusual fluctuations in network system frequency, voltage in hiding, and frequency highest is fluctuated to 52.24Hz, most as low as 47.63Hz, hiding wood There is guide vane and twitch oil pressure continuous decrease phenomenon back and forth in No. 1 machine, No. 2 machines, cause two machine accident low oil pressure protections movement chasers. Therefore, there is an urgent need to study corresponding countermeasure in terms of promoting the hydrogovernor machine net coordination ability.
Summary of the invention
In view of the above drawbacks of the prior art, it is an object of the invention to provide a kind of segmentations of Turbine Governor System to become Rate Test Method and readable storage medium storing program for executing promote ultra-low frequency oscillation and inhibit energy to slow down the influence of water turbine set water hammer effect Power.
In a first aspect, first embodiment of the invention proposes a kind of Turbine Governor System Shift speed segmentally rate test method, institute The method of stating includes the following steps:
The main ring pid parameter of subsection setup Turbine Governor System;
Electric system closed-loop simulation environment is built according to the main ring pid parameter;
Frequency disturbance test, the test of hunting of frequency wave shape playback are carried out based on the electric system closed-loop simulation environment and are adjusted The fast general logic testing of device;
According to the test result pair of frequency disturbance test, hunting of frequency wave shape playback test and the general logic testing of governor The main ring pid parameter carries out feedback regulation.
Optionally, the main ring pid parameter of the setting Turbine Governor System, comprising:
Under the power mode and aperture mode of Turbine Governor System, by governor main ring pid parameter according to selector bar Part carries out subsection setup;
Increase variable Rate in the output of PID and limits control instruction.
It is optionally, described that electric system closed-loop simulation environment is built according to the main ring pid parameter, comprising:
Electric system simulation environment is built based on portable electric force system all-digital real-time simulation system ADPSS;
The control analog signal that governor exports is fed back into the ADPSS to constitute closed-loop simulation environment.
Optionally, the frequency disturbance test includes that Shift speed segmentally rate is not put into down and the frequency under Shift speed segmentally rate investment Upset test, comprising:
In the case where water turbine set stable operation, the hydraulic turbine primary frequency modulation amplitude limit value under networked mode is modified;
Gradually change governor frequency given value, is disturbed according to speed-regulating system isolated network switching frequency facilities test record Process;
According to perturbation process, control characteristic and hydraulic turbine isolated network mode of the hydraulic turbine after isolated network switching and normal are tested Switching frequency and handoff delay between mode.
Optionally, the hunting of frequency wave shape playback test, comprising:
Frequency adjusting is carried out using ADPSS waveform signal as frequency departure signal access speed-regulating system;
Speed-regulating system puts into power mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test The control characteristic of speed-regulating system;
Speed-regulating system puts into isolated network mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test The control characteristic of speed-regulating system.
Optionally, the hunting of frequency wave shape playback test, further includes:
Waveform signal adjusted is carried out wave shape playback, test speed regulation system by the frequency of oscillation for adjusting ADPSS output signal The control characteristic of system.
Optionally, the general logic testing of the governor, comprising:
Governor is accessed into ADPSS, the hydraulic turbine is incorporated into the power networks;
By speed-regulating system investment power mode operation, and system side load is cut off in the ADPSS, test speed-regulating system Control characteristic under disturbance.
Optionally, the general logic testing of the governor, further includes:
Governor is switched into isolated network mode, control characteristic of the retest speed-regulating system under disturbance.
Second aspect, second embodiment of the invention propose a kind of computer readable storage medium, described computer-readable to deposit It is stored with the realization program of information transmitting on storage media, side described in first embodiment is realized when described program is executed by processor The step of method.
By adopting the above-described technical solution, the present invention has the advantage that: the method for the present invention proposes subsection setup water The main ring pid parameter of turbine speed-regulating system, and carry out corresponding frequency disturbance test, the test of hunting of frequency wave shape playback and speed regulation The general logic testing of device can be adjusted hydrogovernor according to segmentation conclusion, to slow down water turbine set water hammer effect The influence answered promotes ultra-low frequency oscillation rejection ability.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke To be instructed from the practice of the present invention.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is first embodiment of the invention flow chart;
Fig. 2 is first embodiment of the invention Turbine Governor System Shift speed segmentally rate Controlling model;
Fig. 3 is the Turbine Governor System pid parameter subsection setup logic that first embodiment of the invention provides;
Fig. 4 is that the Turbine Governor System control instruction variable Rate limiting element control that first embodiment of the invention provides is patrolled Volume;
Fig. 5 is the physical connection schematic diagram of first embodiment of the invention hydrogovernor and ADPSS;
The emulation testing curve of Fig. 6 first embodiment of the invention model machine " segmentation PID function ";
Fig. 7 first embodiment of the invention model machine " control instruction variable Rate limitation function " emulation testing curve;
Fig. 8 first embodiment of the invention model machine " Shift speed segmentally rate function " and " control instruction variable Rate limitation function " are simultaneously Put into emulation testing curve.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
In a first aspect, first embodiment of the invention proposes a kind of Turbine Governor System Shift speed segmentally rate test method, such as Shown in Fig. 1, described method includes following steps:
The main ring pid parameter of subsection setup Turbine Governor System;
Electric system closed-loop simulation environment is built according to the main ring pid parameter;
Frequency disturbance test, the test of hunting of frequency wave shape playback are carried out based on the electric system closed-loop simulation environment and are adjusted The fast general logic testing of device;
According to the test result pair of frequency disturbance test, hunting of frequency wave shape playback test and the general logic testing of governor The main ring pid parameter carries out feedback regulation.
The method of the present invention proposes the main ring pid parameter of subsection setup Turbine Governor System, and carries out corresponding frequency and disturb Dynamic test, the test of hunting of frequency wave shape playback and the general logic testing of governor, can be according to segmentation conclusion to water turbine governing Device is adjusted, to slow down the influence of water turbine set water hammer effect, promotes ultra-low frequency oscillation rejection ability.
Optionally, the main ring pid parameter of the setting Turbine Governor System, comprising:
Under the power mode and aperture mode of Turbine Governor System, by governor main ring pid parameter according to selector bar Part carries out subsection setup;
Increase variable Rate in the output of PID and limits control instruction.
Specifically, in the present embodiment, on the basis of original Turbine Governor System Controlling model, such as Fig. 2 institute Show, under power mode and aperture mode governor main ring pid parameter according to alternative condition subsection setup, and PID output after Adder and amplifying element K between increase control instruction " variable Rate limiting element ", the rate of change of Discrete control Ypid is comprehensive Conjunction obtains Turbine Governor System Shift speed segmentally rate Controlling model shown in Fig. 2.
In the present embodiment, segmentation PID alternative condition can be divided into three sections, often according to the size for adjusting load variations amount Section uses different pid parameters:
First segment: 0% < load setting variation < 10% is first segment pid parameter.
Second segment: 10%≤load setting variation < 50% is second segment pid parameter.
Third section: the variation of 50%≤load setting is third section pid parameter.
Pid parameter subsection setup logic is as shown in figure 3, control logic is as shown in Figure 4.
After being provided with segmentation pid control parameter, Turbine Governor System Shift speed segmentally rate Controlling model is carried out Test.
Optionally, described that electric system is built according to the main ring pid parameter in an optional embodiment of the present invention Closed-loop simulation environment, comprising:
Electric system simulation environment is built based on portable electric force system all-digital real-time simulation system ADPSS;
The control analog signal that governor exports is fed back into the ADPSS to constitute closed-loop simulation environment.
Specifically, as shown in figure 5, in the present embodiment, using numerical model analysis emulation mode, using portable electric force system All-digital real-time simulation system (hereinafter referred to as " ADPSS ") carries out real-time simulation.It is built inside ADPSS including generator and its is encouraged Magnetic, speed-regulating system, PSS, main transformer, main switch and equivalent infinitely great power supply electric system simulation environment.ADPSS is to tune Fast device provides generator voltage, electric current, frequency (independent AO output), grid-connected signal (if desired);The control mould of governor output Quasi- signal feeds back to ADPSS, constitutes closed-loop test environment.
After the completion of above-mentioned closed-loop test environmental structure, dynamic simulation test is carried out:
Optionally, the frequency disturbance test includes that Shift speed segmentally rate is not put into down and the frequency under Shift speed segmentally rate investment Upset test, comprising:
In the case where water turbine set stable operation, the hydraulic turbine primary frequency modulation amplitude limit value under networked mode is modified;
Gradually change governor frequency given value, is disturbed according to speed-regulating system isolated network switching frequency facilities test record Process;
According to perturbation process, control characteristic and hydraulic turbine isolated network mode of the hydraulic turbine after isolated network switching and normal are tested Switching frequency and handoff delay between mode.
In the present embodiment, Shift speed segmentally rate does not put into down the test with the frequency disturbance test under Shift speed segmentally rate investment Step is substantially similar:
Experimental condition: the examination of all other dynamic tests (such as primary frequency modulation test) of speed-regulating system has finished.Unit has Varying duty condition, while unit is stable.PID is set as primary frequency modulation test setting valve, and dead zone is set by primary frequency modulation requirement It sets.
In the present embodiment, dynamic disturbances are adjusted in aperture mode, power mode and monitoring power closed-loop adjustment mode etc. It is carried out under mode.
Specifically, the frequency disturbance under Shift speed segmentally rate is not put into, which is tested, includes:
S111: the primary frequency modulation amplitude limit value under networked mode is temporarily revised as 3%~5% by confirmation stable operation of unit Rated power.
S112: gradually change governor frequency given value (or simulation unit frequency signal, similarly hereinafter), according to speed-regulating system orphan Net switching frequency facilities, the process that is changed stepwise are positive and negative 0.1Hz, 0.2Hz, 0.25Hz, and 0.5Hz, 1.0Hz test record is every Perturbation process.Someone monitors always by governor machine, so that governor is cut manually under unusual service condition.If frequency disturbance amount is super Switching frequency and duration sufficient are crossed, speed-regulating system will automatically switch to isolated network mode operation.Test switches and cuts in isolated network Control characteristic after changing.
S113: record unit isolated network pattern switching frequency and delay, speed-regulating system is switched to normally after recording frequency returns The frequency and delay of networked mode.
Frequency disturbance under Shift speed segmentally rate investment, which is tested, includes:
S121: the primary frequency modulation amplitude limit value under networked mode is temporarily revised as 3%~5% by confirmation stable operation of unit Rated power.
S122: gradually change governor frequency given value (or simulation unit frequency signal, similarly hereinafter), according to speed-regulating system orphan Net switching frequency facilities, the process that is changed stepwise are positive and negative 0.1Hz, 0.2Hz, 0.25Hz, and 0.5Hz, 1.0Hz test record is every Perturbation process.Someone monitors always by governor machine, so that governor is cut manually under unusual service condition.If frequency disturbance amount is super Switching frequency and duration sufficient are crossed, speed-regulating system will automatically switch to isolated network mode operation.Test switches and cuts in isolated network Control characteristic after changing.
S123: record unit isolated network pattern switching frequency and delay, speed-regulating system is switched to normally after recording frequency returns The frequency and delay of networked mode.
Optionally, in an optional embodiment of the present invention, the hunting of frequency wave shape playback test, comprising:
Frequency adjusting is carried out using ADPSS waveform signal as frequency departure signal access speed-regulating system;
Speed-regulating system puts into power mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test The control characteristic of speed-regulating system;
Speed-regulating system puts into isolated network mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test The control characteristic of speed-regulating system.
Optionally, the hunting of frequency wave shape playback test, further includes:
Waveform signal adjusted is carried out wave shape playback, test speed regulation system by the frequency of oscillation for adjusting ADPSS output signal The control characteristic of system.
In the present embodiment, Shift speed segmentally rate investment front and back carries out the test of ADPSS hunting of frequency wave shape playback, comprising:
S201: will be preset at ADPSS waveform by 0-10V signal and access to the port governor AI, and by the port signal Speed-regulating system, which is directly entered, as frequency departure signal carries out frequency adjusting.
S202: governor accesses ADPSS, generator connecting in parallel with system operation.
S203: speed-regulating system puts into power mode operation, will be preset at ADPSS wave shape playback to governor frequency, test The control characteristic of speed-regulating system.
S204: speed-regulating system puts into isolated network mode operation, will be preset at ADPSS wave shape playback to governor frequency, test The control characteristic of speed-regulating system.
S205: the frequency of oscillation of adjustment ADPSS output signal will be preset at ADPSS wave shape playback to governor frequency, weight The control characteristic of new test speed-regulating system.
Optionally, in an optional embodiment of the present invention, the general logic testing of governor, comprising:
Governor is accessed into ADPSS, the hydraulic turbine is incorporated into the power networks;
By speed-regulating system investment power mode operation, and system side load is cut off in the ADPSS, test speed-regulating system Control characteristic under disturbance.
Optionally, the general logic testing of the governor, further includes:
Governor is switched into isolated network mode, control characteristic of the retest speed-regulating system under disturbance.
Specifically, the general logic testing of governor based on ADPSS, comprising:
S301:ADPSS electromechanics side power grid cutting load or unit disturbance.
S302: governor accesses ADPSS, generator connecting in parallel with system operation.
S303: speed-regulating system puts into power mode operation, cuts off system side load (payload root suddenly in ADPSS It is set according to frequency disturbance amount scene).
S304: test speed-regulating system is compared with microvariations and compared with the control characteristic under large disturbances.
S305: governor manual switching to isolated network mode re-starts above-mentioned test.
The sample for having the hydrogovernor of Shift speed segmentally rate function is modulated in the present embodiment also according to the method for the present invention Machine, and the emulation testing of segmentation pid parameter and the limitation emulation survey of control instruction variable Rate have been carried out based on test method of the invention Examination.
(1) model machine " segmentation PID function " emulation testing
For the ease of data statistic analysis, " segmentation PID function " is tested in the present embodiment, real-time detection PID becomes Change." segmentation PID function " judgement is then triggered when there is moment large change, when continuous oscillation and after meet Rule of judgment, touching Hair segmentation PID function.By one system frequency low-frequency oscillation of ADPSS platform simulation, primary frequency modulation movement is observed respectively Influence of the situation to frequency and power, simulation result are as shown in Figure 6.It will be appreciated from fig. 6 that the system frequency oscillation of simulation causes to adjust the speed System primary frequency modulation frequent movement triggers segmentation PID function investment, can significantly observe that guide vane movement range becomes smaller.
(2) model machine " control instruction variable Rate limitation function " emulation testing
Model machine end " variable Rate function " is exited, " control instruction variable Rate limitation function " progress guide vane opening is only put into and gives Determine step test, the simulation results are as shown in Figure 7.When the given upper step of guide vane opening, power is 27.5MW before step, The minimum 22.6MW of power after generation water hammer effect;When guide vane opening is to step is fixed, power is 33.8MW before step, is produced Power is up to 39.2MW after raw water hammer effect.
(3) model machine " Shift speed segmentally rate function " and " control instruction variable Rate limitation function " put into emulation testing simultaneously
Model machine end " Shift speed segmentally rate function " and " control instruction variable Rate limitation function " are put into simultaneously, guide vane is carried out and opens Given step test is spent, the simulation results are as shown in Figure 8.When the given upper step of guide vane opening, power is before step 28.0MW generates the minimum 24.4MW of power after water hammer effect;When guide vane opening is to step is fixed, power is before step 34.5MW, power is up to 37.8MW after generating water hammer effect.
By with upper curve and data analytical calculation, it can be deduced that after " Shift speed segmentally rate function " investment, when there is guide vane When aperture gives Spline smoothing, guide vane actual act response speed slows down, the power counter regulation that water hammer effect generates when upper step Amplitude reduction 26%, water hammer effect generates when lower step power counter regulation amplitude reduction 38%, therefore the method for the present invention Water hammer effect bring unfavorable factor is effectively improved, there is remarkable effect to inhibition ultra-low frequency oscillation.
Second aspect, second embodiment of the invention propose a kind of computer readable storage medium, described computer-readable to deposit It is stored with the realization program of information transmitting on storage media, side described in first embodiment is realized when described program is executed by processor The step of method.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.

Claims (9)

1. a kind of Turbine Governor System Shift speed segmentally rate test method, which is characterized in that described method includes following steps:
The main ring pid parameter of subsection setup Turbine Governor System;
Electric system closed-loop simulation environment is built according to the main ring pid parameter;
Frequency disturbance test, the test of hunting of frequency wave shape playback and governor are carried out based on the electric system closed-loop simulation environment General logic testing;
According to the test result of frequency disturbance test, the test of hunting of frequency wave shape playback and the general logic testing of governor to described Main ring pid parameter carries out feedback regulation.
2. the method as described in claim 1, which is characterized in that the main ring pid parameter of the setting Turbine Governor System, packet It includes:
Under the power mode and aperture mode of Turbine Governor System, by governor main ring pid parameter according to alternative condition into Row subsection setup;
Increase variable Rate in the output of PID and limits control instruction.
3. method according to claim 2, which is characterized in that described to build electric system according to the main ring pid parameter and close Ring simulated environment, comprising:
Electric system simulation environment is built based on portable electric force system all-digital real-time simulation system ADPSS;
The control analog signal that governor exports is fed back into the ADPSS to constitute closed-loop simulation environment.
4. method according to claim 2, which is characterized in that the frequency disturbance test includes that Shift speed segmentally rate is not put into down With the frequency disturbance test under Shift speed segmentally rate investment, comprising:
In the case where water turbine set stable operation, the hydraulic turbine primary frequency modulation amplitude limit value under networked mode is modified;
Gradually change governor frequency given value, was disturbed according to speed-regulating system isolated network switching frequency facilities test record Journey;
According to perturbation process, control characteristic and hydraulic turbine isolated network mode and normal mode of the hydraulic turbine after isolated network switching are tested Between switching frequency and handoff delay.
5. method as claimed in claim 4, which is characterized in that the hunting of frequency wave shape playback test, comprising:
Frequency adjusting is carried out using ADPSS waveform signal as frequency departure signal access speed-regulating system;
Speed-regulating system puts into power mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test speed regulation The control characteristic of system;
Speed-regulating system puts into isolated network mode operation, and the waveform signal for being preset at the ADPSS is carried out wave shape playback, test speed regulation The control characteristic of system.
6. method as claimed in claim 5, which is characterized in that the hunting of frequency wave shape playback test, further includes:
Waveform signal adjusted is carried out wave shape playback, tests speed-regulating system by the frequency of oscillation for adjusting ADPSS output signal Control characteristic.
7. method as claimed in claim 5, which is characterized in that the general logic testing of governor, comprising:
Governor is accessed into ADPSS, the hydraulic turbine is incorporated into the power networks;
By speed-regulating system investment power mode operation, and system side load is cut off in the ADPSS, test speed-regulating system is being disturbed Control characteristic under dynamic.
8. the method for claim 7, which is characterized in that the general logic testing of governor, further includes:
Governor is switched into isolated network mode, control characteristic of the retest speed-regulating system under disturbance.
9. a kind of computer readable storage medium, which is characterized in that be stored with information biography on the computer readable storage medium The realization program passed realizes the step such as method described in any item of the claim 1 to 8 when described program is executed by processor Suddenly.
CN201910725609.8A 2019-08-07 2019-08-07 Method for testing segmental variable speed rate of water turbine speed regulating system and readable storage medium Active CN110412864B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910725609.8A CN110412864B (en) 2019-08-07 2019-08-07 Method for testing segmental variable speed rate of water turbine speed regulating system and readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910725609.8A CN110412864B (en) 2019-08-07 2019-08-07 Method for testing segmental variable speed rate of water turbine speed regulating system and readable storage medium

Publications (2)

Publication Number Publication Date
CN110412864A true CN110412864A (en) 2019-11-05
CN110412864B CN110412864B (en) 2022-08-09

Family

ID=68366314

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910725609.8A Active CN110412864B (en) 2019-08-07 2019-08-07 Method for testing segmental variable speed rate of water turbine speed regulating system and readable storage medium

Country Status (1)

Country Link
CN (1) CN110412864B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111507637A (en) * 2020-04-22 2020-08-07 云南电力试验研究院(集团)有限公司 Parameter modeling and testing method for water turbine and water diversion system for power system stability calculation
CN113153616A (en) * 2021-03-23 2021-07-23 中国水利水电科学研究院 Hydroelectric generating set power adjusting method and control system based on S-curve algorithm and hydroelectric generating set
CN113555867A (en) * 2020-04-24 2021-10-26 新疆新能集团有限责任公司乌鲁木齐电力建设调试所 Method for setting isolated network mode control parameters of water turbine unit

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602044B1 (en) * 1999-10-29 2003-08-05 Takao Kuwabara Pump turbine, method of controlling thereof, and method of stopping thereof
US20050267644A1 (en) * 2002-10-04 2005-12-01 Hitachi, Ltd. Turbine apparatus and governor for turbine
KR101401597B1 (en) * 2013-11-14 2014-06-02 김운해 Simulation of generator by using water
WO2016029694A1 (en) * 2014-08-29 2016-03-03 国家电网公司 Modeling system and method for pumped-storage unit speed regulating system
CN105470953A (en) * 2015-12-17 2016-04-06 中国电力科学研究院 Electronic regulator model for water turbine adjusting system
CN106894945A (en) * 2017-03-15 2017-06-27 南方电网科学研究院有限责任公司 The modeling method of the hydraulic turbine and its regulating system
KR20170130825A (en) * 2016-05-19 2017-11-29 울산과학대학교 산학협력단 Simulation method of synchronous generator system for ships
CN107544475A (en) * 2017-10-19 2018-01-05 贵州电网有限责任公司电力科学研究院 A kind of power plant control system closed loop detecting system and detection method
CN108536116A (en) * 2018-02-08 2018-09-14 中国电力科学研究院有限公司 A kind of test method and system of governing system
CN109116235A (en) * 2018-09-20 2019-01-01 国网湖南省电力有限公司 Hydropower Unit regulation performance test method and system
CN109445273A (en) * 2018-10-23 2019-03-08 国网四川省电力公司电力科学研究院 A kind of hydrogovernor control method
CN109814372A (en) * 2019-01-10 2019-05-28 中国长江电力股份有限公司 Governor power mode control method based on head aperture Yu active power combination curve
CN110071501A (en) * 2019-04-12 2019-07-30 中国南方电网有限责任公司 A kind of frequecy characteristic analysis method and system based on piecewise-linear system model

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602044B1 (en) * 1999-10-29 2003-08-05 Takao Kuwabara Pump turbine, method of controlling thereof, and method of stopping thereof
US20050267644A1 (en) * 2002-10-04 2005-12-01 Hitachi, Ltd. Turbine apparatus and governor for turbine
KR101401597B1 (en) * 2013-11-14 2014-06-02 김운해 Simulation of generator by using water
WO2016029694A1 (en) * 2014-08-29 2016-03-03 国家电网公司 Modeling system and method for pumped-storage unit speed regulating system
CN105470953A (en) * 2015-12-17 2016-04-06 中国电力科学研究院 Electronic regulator model for water turbine adjusting system
KR20170130825A (en) * 2016-05-19 2017-11-29 울산과학대학교 산학협력단 Simulation method of synchronous generator system for ships
CN106894945A (en) * 2017-03-15 2017-06-27 南方电网科学研究院有限责任公司 The modeling method of the hydraulic turbine and its regulating system
CN107544475A (en) * 2017-10-19 2018-01-05 贵州电网有限责任公司电力科学研究院 A kind of power plant control system closed loop detecting system and detection method
CN108536116A (en) * 2018-02-08 2018-09-14 中国电力科学研究院有限公司 A kind of test method and system of governing system
CN109116235A (en) * 2018-09-20 2019-01-01 国网湖南省电力有限公司 Hydropower Unit regulation performance test method and system
CN109445273A (en) * 2018-10-23 2019-03-08 国网四川省电力公司电力科学研究院 A kind of hydrogovernor control method
CN109814372A (en) * 2019-01-10 2019-05-28 中国长江电力股份有限公司 Governor power mode control method based on head aperture Yu active power combination curve
CN110071501A (en) * 2019-04-12 2019-07-30 中国南方电网有限责任公司 A kind of frequecy characteristic analysis method and system based on piecewise-linear system model

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
GANG CHEN , FAN TANG, HUABO SHI, RUI YU, GUANHONG WANG等: "Optimization Strategy of Hydrogovernors for Eliminating Ultralow-Frequency Oscillations in Hydrodominant Power Systems", 《IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS》 *
冯雁敏等: "某300MW机组水轮机调节系统参数实测及建模分析", 《长江科学院院报》 *
王官宏等: "电力系统稳定计算用国产700MW水轮机调节系统建模及参数测试", 《电网技术》 *
蔡卫江: "提升水轮机调速器机网协调能力的技术研究", 《水电站机电技术》 *
蔡卫江等: "水电高占比电力系统水轮机调速器控制策略研究", 《水电厂自动化》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111507637A (en) * 2020-04-22 2020-08-07 云南电力试验研究院(集团)有限公司 Parameter modeling and testing method for water turbine and water diversion system for power system stability calculation
CN113555867A (en) * 2020-04-24 2021-10-26 新疆新能集团有限责任公司乌鲁木齐电力建设调试所 Method for setting isolated network mode control parameters of water turbine unit
CN113153616A (en) * 2021-03-23 2021-07-23 中国水利水电科学研究院 Hydroelectric generating set power adjusting method and control system based on S-curve algorithm and hydroelectric generating set

Also Published As

Publication number Publication date
CN110412864B (en) 2022-08-09

Similar Documents

Publication Publication Date Title
Lai et al. Multi-objective optimization of the closure law of guide vanes for pumped storage units
CN110412864A (en) Turbine Governor System Shift speed segmentally rate test method and readable storage medium storing program for executing
Fontana et al. Real time control of a prototype for pressure regulation and energy production in water distribution networks
CN103174471B (en) Parameter-varying load optimization control method of thermal power generating unit
CN109308390B (en) Combined regulation simulation system and method for wind/light energy and hydroelectric generating set of power grid at transmitting and receiving ends
Syahputra et al. Power System Stabilizer Model Using Artificial Immune System for Power System Controlling
CN104089762B (en) Flow characteristic test method of turbine governing valve
CN104993502B (en) Primary frequency modulation implementation method and device under a kind of power closed loop mode
Zhang et al. Detailed modelling and parameters optimisation analysis on governing system of hydro‐turbine generator unit
CN107332289A (en) A kind of variable-speed wind-power unit participates in system frequency modulation method
CN110262223A (en) A kind of comprehensive model modelling approach of hydraulic turbine based on Fractional Order PID speed-regulating system
Gencoglu et al. Assessment of the effect of hydroelectric power plants' governor settings on low frequency inter area oscillations
Wang et al. Extended term dynamic simulation for AGC with smart grids
CN109711013A (en) A kind of Adaptive System of Water-Turbine Engine electrohydraulic actuator model
CN106528978A (en) Dynamic simulation method and system of speed regulating systems of advanced pressurized water reactor nuclear power unit
CN110374789A (en) A kind of water turbine set governor pid parameter switching method and device
Zhang et al. Modeling and simulation study of hydraulic turbine governor based on SIMULINK
CN203161430U (en) Water turbine speed control system for hydroelectric generating set
Gustafsson Improved governing of Kaplan turbine hydropower plants operating island grids
Guo Control and optimization of variable-speed wind turbines and large-scale wind farms
CN107288811A (en) The pipe multimachine hydroelectric generating system speed regulating control loop fed back using pressure regulation Well Water Level and method
Xiaoming et al. Simulation research of hydraulic turbine generator under fuzzy PID control with load disturbance and 100% load rejection
Dao et al. An intelligent CPSOGSA-based mixed H2/H∞ robust controller for the multi-hydro-turbine governing system with sharing common penstock
Heidarpour et al. Stability improvement of hydraulic turbine regulating system using round-robin scheduling algorithm
CN109149600A (en) A kind of frequency response centralized control method based on Model Predictive Control

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant