CN207280769U - Hydraulic generator simulation test control system - Google Patents
Hydraulic generator simulation test control system Download PDFInfo
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- CN207280769U CN207280769U CN201721135748.8U CN201721135748U CN207280769U CN 207280769 U CN207280769 U CN 207280769U CN 201721135748 U CN201721135748 U CN 201721135748U CN 207280769 U CN207280769 U CN 207280769U
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- ocean current
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Abstract
It the utility model is related to a kind of hydraulic generator simulation test control system, water system is simulated including ocean current, water wheels power set, low speed speeder, permanent-magnet electric generator system, signal gathering unit, main control unit, monitoring system and load unit, ocean current simulation water system is a circulation, include high water tank successively, booster pump, turbine flowmeter, regulating valve, 45 degree of gradient runners, horizontal run, hydroelectric generator experimental section, lower water box and water circulating pump, by automatically adjusting valve aperture, simulate ocean current change in flow, realize the adjusting of centrifugal impeller powerplant speed, by low speed speeder, drive permanent magnet generator power generation supply load box.Suitable for small-sized water turbine power generation test system research, by regulating system parameter, realize to test equipment performance evaluation, further optimization lifting designs system equipment according to test result.
Description
Technical field
A kind of hydroelectric generating system control technology is the utility model is related to, more particularly to a kind of hydraulic generator simulation test control
System processed.
Background technology
With the rise of the industrial revolution, the world progresses into mechanical times, and the energy is also accounted for by original physical energy
Leading position transfers to be occupied an leading position by chemical energy source.But in recent years, once supported the change of 20th century human civilization high speed development
There is unprecedented crisis in the stone energy, using coal, oil and other organic matters as fuel, in combustion, release
Harmful substance enter in air, cause environmental pollution.In addition to more fuel are obtained, to produce more energy,
The excessive exploitation of people, therefore, has aggravated environmental pollution, and produces greenhouse effects, and jeopardizes human future development.With society
Sight is turned to the renewable sources of energy, such as wind-force, waterpower and tide energy by the progress of meeting and the lifting of people's environmental consciousness, people, with
Reduce the application of fossil energy.The spatter property that is utilized due to water resource, high efficiency and the factor such as cheapness, it is hydroelectric at present
Technology also achieves certain development, and hydroelectric development be unable to do without the effect of the hydraulic turbine, therefore manufactures efficiently easy-operating
Hydraulic turbine electric generator system will become a big trend of future development.
But actual hydroelectric generation can not effectively test each performance when being designed control, and this side
The test condition in face is also very deficient, therefore to improve hydraulic turbine generating efficiency, and test experiments are premises.
The content of the invention
A kind of the problem of the utility model is for the test of hydroelectric generation design performance, it is proposed that hydraulic generator simulation test
Control system, helps to improve hydroelectric generation design level.
The technical solution of the utility model is：A kind of hydraulic generator simulation test control system, including ocean current simulation water system
System, water wheels power set, low speed speeder, permanent-magnet electric generator system, signal gathering unit, main control unit, monitoring system and
Load unit；
Ocean current simulation water system is a circulation, successively including high water tank, booster pump, turbine flowmeter, first
Regulating valve, 45 degree of gradient runners, horizontal run, hydroelectric generator experimental section, lower water box and water circulating pump, lower water box are defeated
Water outlet goes out saliva after booster pump is pressurized, passes sequentially through turbine flow by water circulating pump to roof high water tank, high water tank
After gauge and the first regulating valve, flow down further along 45 degree of gradient runner, flowed into horizontal run, flow into hydroelectric generator reality
Test section；
Water wheels power set are installed in hydroelectric generator experimental section, water wheels power set are by low speed speeder and forever
Magnetic generator connects, and permanent magnet generator is exported powers to load unit；
The water system flow of signal gathering unit collection turbine flowmeter detection and voltage, electric current, the work(of permanent magnet generator
Rate and tach signal, signal gathering unit output signals to main control unit, and main control unit outputs a control signal to the first regulating valve
Data are sent monitoring system to show and record by door, main control unit.
The hydraulic generator simulation test control system, further includes the second regulating valve and waterpower hair of lower water box output terminal
3rd regulating valve of motor experiment section entrance.
The beneficial effects of the utility model are：The utility model hydraulic generator simulation test control system, suitable for small
Type hydraulic generator pilot system research, by regulating system parameter, is realized to test equipment performance evaluation, according to test result pair
System equipment design further optimization lifting.
Brief description of the drawings
Fig. 1 is the utility model hydraulic generator simulation test control system architecture schematic diagram.
Embodiment
Hydraulic turbine power generation test system uses small hydraulic turbine structure, water system by the high water tank on roof, booster pump,
Lower water box, 45 degree of gradient runners, horizontal run and water circulating pump etc. form.The water of lower water box is improved by water circulating pump
Roof high water tank is sent into after pressure；To meet that the water speed in hydroelectric power system experimental section reaches the requirement of experiment（River at present
Stream, ocean current flow velocity are about 1 ~ 3 meter per second, its flow operating mode is simulated in text）, exported in high water tank and a booster pump is installed, and
The outlet installation and adjustment valve and turbine flowmeter of high water tank, to facilitate the size of change flow and be measured in real time to it.
In experimentation, the water of high water tank is flowed down along 45 degree of gradient runner first, and gravitional force is converted into kinetic energy, the water of high speed
Stream is flowed along horizontal run, after forming the uniform high-velocity flow of stable speed, flows into experimental section.Installation is small-sized in experimental section
Hydraulic turbine structure impeller, is connected by impeller by mechanical transmission mechanism with micro permanent magnet electricity generator, is changed so as to fulfill energy, production
Raw electric energy.
Hydraulic generator simulation test control system architecture schematic diagram as shown in Figure 1, system include：Ocean current simulates water system
U1, small-sized water turbine power set U2, low speed speeder U3, permanent-magnet electric generator system U4, signal gathering unit U5, main control unit
U6, monitoring system U7 and load unit U8.
Ocean current simulation water system U1 is a circulation, successively including high water tank, booster pump, turbine flowmeter, tune
Save 1,45 degree of gradient runner of valve, horizontal run, regulating valve 3, hydroelectric generator experimental section, lower water box, regulating valve 2 and circulation
Water pump.Roof high water tank is sent into after the water of lower water box is improved pressure by water circulating pump；To meet hydroelectric power system reality
The water speed tested in section reaches the requirement of experiment（River, ocean current flow velocity are about 1 ~ 3 meter per second at present, it is simulated in text and flows work
Condition）, one booster pump of installation is exported in high water tank, and in the outlet installation and adjustment valve 1 and turbine flowmeter of high water tank, with side
Just change the size of flow and it is measured in real time.In experimentation, the water of high water tank first is along 45 degree of the gradient
Runner flows down, and gravitional force is converted into kinetic energy, and the current of high speed are flowed along horizontal run, and it is uniformly high to form stable speed
After fast current, hydroelectric generator experimental section is flowed into.
Small-sized water turbine power set U2 is installed in hydroelectric generator experimental section, small-sized water turbine power set U2 is increased by low speed
Speed variator U3 is connected with permanent magnet generator U4, to meet that the rated speed of generator need to use speeder（Such as major diameter belt wheel
Small pulley or closed-end gear gearbox is driven to be driven by driving belt）, the rotation mechanical energy of impeller is passed through a series of outer
Meshing gear speedup, realizes that speed meets that generator is connected with generator wheel shaft.
Permanent magnet generator U4 is connected with low speed speeder, and permanent magnet generator U4 is small, light-weight, specific power is big, is fitted
In conjunction, low speed power generation performance.Mechanical energy is changed into by electric energy by permanent magnet generator, which obtains compacter conjunction
Reason, has higher reliability and longer service life, it also avoid direct-drive type drive scheme and high-speed gear box drive scheme
Many defects.
Permanent magnet generator U4 is exported to power to load unit U8, and load unit U8 is mainly used for generator energy closed loop.Make
Stored for load energy it is contemplated that by the way of rectification-inversion adds batteries to store energy.It is meanwhile load is real-time（As voltage,
Electric current, power etc.）Data send main control unit U6, main control unit U6 to send data to monitoring system by signal gathering unit U5 conversions
Display and record.
Signal gathering unit U5 is mainly used for the signals such as water system flow, electricity generation system voltage, electric current, power and rotating speed and adopts
Collection, voltage signal are gathered from load bus, and current signal connects collection by current transformer.Pass through transmitter voltage, electric current, work(
The signals such as rate, rotating speed and flow（The analog signals of 4~20mA）, main control unit U6 is transferred to, meanwhile, collection high water tank letter
Number（Switching value）, control high water tank.Output adjustment valve opening signal（The analog signals of 4~20mA）.
Main control unit U6 hardware is made of programmable logic controller (PLC) and its communication network system.Main control unit U6 passes through
Stimulus part reads the data of generating set basic capacity, and operating status, root are obtained by data acquisition and control section
According to process and equipment, assess the rotating speed of electrical equipment, voltage, electric current, performance number etc. parameter is excellent and exist for effectively control generator
Run under certain stabilization of speed, coherent signal is gathered by signal gathering unit, using the size of 1,2,3 aperture of control valve,
Realize the adjusting to flow rate of water flow, so as to fulfill the adjusting of rotational speed of water turbine, final realize runs shape under difficult environmental conditions
State is analyzed.
Monitor portion U7, that is, man-machine interface（HMI）, it is made of, realizes industrial control computer and associated monitoring software program
Human-computer dialogue between control main frame.Monitoring software uses universal monitor software（Such as Siemens WinCC）, pass through industrial ether
Net and main control unit（Programmable logic controller (PLC)）Part U6 connections.Realize real-time display control situation, main frequency parameter etc.,
Meanwhile realize high water tank control, the function such as aperture of control valve.
Claims (2)
1. a kind of hydraulic generator simulation test control system, it is characterised in that including ocean current simulation water system, water wheels power dress
Put, low speed speeder, permanent-magnet electric generator system, signal gathering unit, main control unit, monitoring system and load unit；
Ocean current simulation water system is a circulation, is adjusted successively including high water tank, booster pump, turbine flowmeter, first
Valve, 45 degree of gradient runners, horizontal run, hydroelectric generator experimental section, lower water box and water circulating pump, lower water box output water
By water circulating pump to roof high water tank, high water tank goes out saliva after booster pump is pressurized, passes sequentially through turbine flowmeter
And first after regulating valve, flow down further along 45 degree of gradient runner, flowed into horizontal run, flow into hydroelectric generator experiment
Section；
Water wheels power set are installed in hydroelectric generator experimental section, water wheels power set are sent out by low speed speeder and permanent magnetism
Motor connects, and permanent magnet generator is exported powers to load unit；
The water system flow and the voltage of permanent magnet generator of signal gathering unit collection turbine flowmeter detection, electric current, power and
Tach signal, signal gathering unit output signals to main control unit, and main control unit outputs a control signal to the first control valve, main
Data are sent monitoring system to show and record by control unit.
2. hydraulic generator simulation test control system according to claim 1, it is characterised in that further include lower water box output
Second regulating valve at end and the 3rd regulating valve of hydroelectric generator experimental section entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135748.8U CN207280769U (en) | 2017-09-06 | 2017-09-06 | Hydraulic generator simulation test control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135748.8U CN207280769U (en) | 2017-09-06 | 2017-09-06 | Hydraulic generator simulation test control system |
Publications (1)
| Publication Number | Publication Date |
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| CN207280769U true CN207280769U (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135748.8U Expired - Fee Related CN207280769U (en) | 2017-09-06 | 2017-09-06 | Hydraulic generator simulation test control system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462433A (en) * | 2017-09-06 | 2017-12-12 | 上海电力学院 | Hydraulic generator simulated test control system |
| CN111749841A (en) * | 2020-06-10 | 2020-10-09 | 武汉大学 | Upstream constant-pressure water tank system for dynamic characteristic experiment of pumping storage unit and control method |
-
2017
- 2017-09-06 CN CN201721135748.8U patent/CN207280769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462433A (en) * | 2017-09-06 | 2017-12-12 | 上海电力学院 | Hydraulic generator simulated test control system |
| CN111749841A (en) * | 2020-06-10 | 2020-10-09 | 武汉大学 | Upstream constant-pressure water tank system for dynamic characteristic experiment of pumping storage unit and control method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20180906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |