CN211149499U - System for measuring and calculating pumped power generation capacity of pumped storage power station - Google Patents
System for measuring and calculating pumped power generation capacity of pumped storage power station Download PDFInfo
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- CN211149499U CN211149499U CN201922148343.3U CN201922148343U CN211149499U CN 211149499 U CN211149499 U CN 211149499U CN 201922148343 U CN201922148343 U CN 201922148343U CN 211149499 U CN211149499 U CN 211149499U
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- 238000010248 power generation Methods 0.000 title claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 7
- 238000013480 data collection Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 19
- 238000005086 pumping Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000012067 mathematical method Methods 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the pumped storage power station, especially, relate to a pumped storage power station pumped generation ability system of calculating. The utility model discloses by reservoir inlet outlet connection upper reservoir fluviograph on the pumped storage power station, generator motor power measurement module connects generator motor export current transformer and generator motor export voltage transformer, and generator motor power measurement module and pumped storage power station upper reservoir fluviograph pass through communication interface and are connected with protocol converter, data collection station, optical network, switch, computer in proper order. The utility model discloses with the help of the high efficiency nature of computer, accomplish the pumped storage power station fast under the prerequisite of guaranteeing the analysis accuracy and draw water the generating capacity and calculate work, help improving electric power system's safe economic operation level, each pumped storage power station pumped power generating capacity is mastered to quick accuracy.
Description
Technical Field
The utility model belongs to the technical field of the pumped storage power station, especially, relate to a pumped storage power station pumped generation ability system of calculating, be applicable to electric wire netting dispatch and pumped storage power station operation management department work, each pumped storage power station pumped generation ability of grasp that can be quick accurate.
Background
With the development of new energy resources such as extra-high voltage, nuclear power, wind power, photovoltaic and the like, the demand of a power system on a pumped storage power station is higher and higher, and in order to master the pumped power generation capacity of each pumped storage power station in the power system, the safe and economic operation level of the power system is improved. At present, each pumped storage power station generally adopts the upper reservoir capacity and the water amount consumed by the pumped storage power station to send or absorb unit kilowatt to estimate the pumped storage power generation capacity of the pumped storage power station, the calculation process is complex, and due to the loss of the upper reservoir capacity and the flow passage, the method has the advantages of large calculation workload, low working efficiency and low accuracy, and has great obstruction to the power grid dispatching and the pumped storage power station operation management department to master the pumped storage power generation capacity of the pumped storage power station.
Disclosure of Invention
The utility model provides a pumped storage power station pumped power generation ability system is calculated to the problem that exists among the above-mentioned prior art. The purpose is to provide a measuring and calculating system which can rapidly complete the measuring and calculating work of the pumped-storage power station pumped-storage power generation capacity on the premise of ensuring the analysis accuracy by means of the high efficiency of a computer and is beneficial to improving the safe and economic operation level of a power system.
The utility model provides a technical scheme that its technical problem adopted is:
a pumped storage power station pumped power generation capacity measuring and calculating system is characterized in that a water inlet and a water outlet of an upper reservoir of a pumped storage power station are connected with a reservoir water level gauge, a power measuring module of a generator motor is connected with a current transformer at an outlet of the generator motor and a voltage transformer at an outlet of the generator motor, and the power measuring module of the generator motor and the water level gauge of the upper reservoir of the pumped storage power station are sequentially connected with a protocol converter, a data collector, an optical fiber network, a switch and a computer through communication interfaces.
The generator motor outlet current transformer and the generator motor outlet voltage transformer are specifically connected to a generator motor outlet bus of the pumped storage power station and are used for measuring phase current and line voltage of the generator motor outlet bus.
The upper reservoir water level gauge is used for measuring the upper reservoir water level; and the generating motor power measuring module calculates the power of the generating motor according to the collected phase current and line voltage of the generating motor outlet bus.
And the computer runs water pumping power generation capacity measuring and calculating software of the water pumping power storage station, and collects the water level of the upper reservoir of the water pumping power storage station and the power of the generator motor in real time.
And the power measuring module of the generator motor and the data collected by the reservoir water level gauge on the pumped storage power station are transmitted to a computer through a communication interface, a protocol converter, a data collector, an optical fiber network and a switch.
The pumped storage power station pumped power generation capacity measuring and calculating system comprises the following modules: the system comprises a data block, a calculation block and a page control block; wherein: the data block is used for storing the collected corresponding upper reservoir water level data, the running hours and the total power data group of the unit; the page control block is used for acquiring and transmitting data needing to be calculated to the calculation block; and the calculation block is used for fitting a calculation formula according to the acquired big data, the reservoir water level, the remaining operation hours and the power, and calculating the remaining operation hours according to the data transmitted by the page control block.
The utility model has the advantages of it is following and beneficial technological effect:
the utility model relates to a pumped storage power station pumped generation ability calculates system and method is the high efficiency that can be with the help of the computer, can be quick under the prerequisite of guaranteeing the analysis accuracy accomplish pumped storage power station pumped generation ability and calculate work to help improving electric power system's safe economic operation level. The utility model is suitable for a power grid dispatching and pumped storage power station operation management department work, the power generation ability that draws water of each pumped storage power station of grasp that can be quick accurate.
Drawings
To facilitate understanding and implementing the present invention by those of ordinary skill in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments, which are used to illustrate the present invention and should not be construed as limited by the scope of the present invention.
FIG. 1 is a block diagram of the overall structure of the present invention;
FIG. 2 is a model diagram of the relationship between the water level in the upper reservoir and the water level in the pumped storage power station set during the operation of power generation;
FIG. 3 is a model diagram of the relationship between the pumped storage power station unit and the water level in the upper reservoir during pumped storage operation;
fig. 4 is a system power generation capacity measurement and calculation interface of the present invention;
fig. 5 is the system pumping capacity calculation interface of the present invention.
In the figure: the system comprises a computer 1, a switch 2, an optical fiber network 3, a data collector 4, a protocol converter 5, a communication interface 6, an upper reservoir water level gauge 7, a generating motor power measuring module 8, a generating motor outlet voltage transformer 9 and a generating motor outlet current transformer 10.
Detailed Description
Example 1
The utility model relates to a pumped storage power station pump power generation ability measurement and calculation system, utilize the water level gauge of installing the reservoir inlet outlet on pumped storage power station to gather and take notes upper reservoir water level and the unit electricity generation on pumped storage power station, the big data of pumping operation time relation, under the arbitrary water level of statistical analysis, the unit lasts the time of generating electricity to the minimum power generation water level in upper reservoir and lasts the time of pumping operation to the highest water level in upper reservoir, establish upper reservoir water level and unit electricity generation, pumping operation time's model, utilize discrete analysis's mathematical method to rectify and compile the measurement and calculation system of pumped storage power station pump power generation ability.
As shown in fig. 1, fig. 1 is a block diagram of the overall structure of the system of the present invention. The utility model discloses the system includes: the device comprises a pumped storage power station upper reservoir water level gauge 7, an optical fiber network 3, a data collector 4, a protocol converter 5, a communication interface 6, a generator motor outlet voltage transformer 9, a generator motor outlet current transformer 10, a generator motor power measurement module 8, a switch 2, a computer 1 and pumped storage power station pumped power generation capacity measurement software.
An upper reservoir water level gauge 7 for measuring the upper reservoir water level is arranged at the water inlet and the water outlet of the upper reservoir of the pumped storage power station and is used for measuring the upper reservoir water level.
A generator motor outlet current transformer 10 and a generator motor outlet voltage transformer 9 are arranged on a generator motor outlet bus of the pumped storage power station and are used for measuring phase current and line voltage of the generator motor outlet bus.
And the generator motor power measuring module 8 calculates the power of the generator motor according to the collected phase current and line voltage of the outlet bus of the generator motor.
The pumped storage power station pumped power generation capacity measuring and calculating software runs on a computer.
Data collected by the generator motor power measuring module 8 and the upper reservoir water level gauge 7 of the pumped storage power station are transmitted to the computer 1 through the communication interface 6, the protocol converter 5, the data collector 4, the optical fiber network 3 and the exchanger 2.
The computer 1 is provided with pumped storage power station pumped power generation capacity measuring and calculating software, and the water level of an upper reservoir of the pumped storage power station and the power of a generator motor are collected in real time.
As shown in table 1, table 1 is the bottom data content in the embodiment of the present invention, and the power generation operation of 1 machine in a certain power station runs from 392 water level to X water level. And recording the data of the unit power generation operation time in the interval from the highest operation water level of the upper reservoir to the lowest operation water level of the pumped storage power station at intervals of 0.5m when the unit is in power generation operation.
As shown in table 2, table 2 is the bottom data content in another embodiment of the present invention, and when the water pumping operation of 1 machine in a certain power station is from 370.5 water level to X water level. And recording the water pumping operation time data of the unit in the interval from the lowest operation water level to the highest operation water level of the upper reservoir of the pumped storage power station at intervals of 0.5m when the unit is pumped.
As shown in fig. 2 and fig. 3, fig. 2 is a model diagram for measuring and calculating the relationship between the pumped storage power station unit and the upper reservoir water level during power generation operation, and fig. 3 is a model diagram for measuring and calculating the relationship between the pumped storage power station unit and the upper reservoir water level during pumped storage operation. And (3) correcting by using a mathematical method of discrete analysis to obtain a measuring and calculating model of the relation between the pumped storage power station unit and the upper reservoir water level during power generation or pumped storage operation, and using the measuring and calculating model as the bottom layer data of the pumped storage power station pumping and calculating software.
The pumped storage power station pumping capacity measuring and calculating software stores data of the relation between the pumped storage power station unit and the upper reservoir water level during power generation or pumping.
Example 2
The utility model relates to a pumped storage power station pumped generation ability system of calculating, including following module: data blocks, calculation blocks, and page control blocks. The data block is responsible for storing the collected corresponding upper reservoir water level data, the running hours and the total power data group of the unit; the page control block is responsible for acquiring and transmitting data needing to be calculated to the calculation block; the calculation block is responsible for fitting a calculation formula according to the acquired big data, the reservoir water level, the remaining operation hours and the power, and calculating the remaining operation hours according to the data transmitted by the page control block.
Example 3
As shown in fig. 4 and 5, fig. 4 is the interface for measuring and calculating the power generation capacity of the system of the present invention, and fig. 5 is the interface for measuring and calculating the pumping capacity of the system of the present invention.
Utilize the utility model relates to a pumped storage power station pump electricity generation ability system calculates, including data block, calculation piece and page control piece.
And the calculation block performs formula calculation according to the water level, the power and the target water level to obtain the remaining operation hours.
And the page control block is responsible for setting a page UI (user interface) of the whole measuring and calculating software, and inputting and outputting data.
The data block, the calculation block and the page control block mutually transmit data and cooperatively work to complete the measurement and calculation function of the whole software.
Example 4
Utilize the utility model relates to a pumped storage power station pumped generation ability system when calculating, concrete operation process includes following step:
step 1, displaying the current water level in the graph 4 and 5, wherein the water level can be manually modified.
And 3, inputting the power of the single unit set at the power position of the single unit set in the graph 4 and 5.
And 4, automatically measuring the time for simultaneously generating electricity or pumping water for one or more units from the current water level to the target water level under the current power of the units by software according to the database.
Example 5
Based on same utility model the design, the utility model also provides the utility model discloses a pumped storage power station ability of generating electricity of drawing calculates device, including treater and the memory that is used for storing the executable instruction of treater.
The processor is configured to employ the pumped-storage power station pumped-hydro power generation capacity estimation system.
Example 6
A computer storage medium having a computer program stored thereon, the computer program when executed by a processor implementing a gauging system for a pumped-storage power station pumped-hydro power generation capacity gauging system as described above.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
TABLE 1 Power station 1 machine Power Generation time from 392 Water level to X Water level (min)
| Water level | 392 | 391.5 | 391 | 390.5 | 390 | 389.5 | 389 | 388.5 | 388 |
| Time of |
0 | 43 | 83 | 123 | 161 | 198 | 234 | 270 | 306 |
| Water level | 387.5 | 387 | 386.5 | 386 | 385.5 | 385 | 384.5 | 384 | 383.5 |
| Time of day | 342 | 375 | 408 | 440 | 472 | 504 | 536 | 568 | 600 |
| Water level | 383 | 382.5 | 382 | 381.5 | 381 | 380.5 | 380 | 379.5 | 379 |
| Time of day | 632 | 664 | 695 | 724 | 752 | 780 | 808 | 836 | 864 |
| Water level | 378.5 | 378 | 377.5 | 377 | 376.5 | 376 | 375.5 | 375 | 374.5 |
| Time of day | 892 | 920 | 944 | 968 | 994 | 1020 | 1046 | 1072 | 1095 |
| Water level | 374 | 373.5 | 373 | 372.5 | 372 | 371.5 | 371 | 370.5 | |
| Time of day | 1117 | 1139 | 1161 | 1183 | 1207 | 1231 | 1251 | 1268 |
TABLE 2 Water-pumping operation of 1 machine in a certain power station from 370.5 water level to X water level (min)
| Water level | 370.5 | 371 | 371.5 | 372 | 372.5 | 373 | 373.5 | 374 | 374.5 |
| Time of |
0 | 23 | 47 | 71 | 97 | 123 | 149 | 176 | 203 |
| |
375 | 375.5 | 376 | 376.5 | 377 | 377.5 | 378 | 378.5 | 379 |
| Time of day | 230 | 260 | 290 | 320 | 350 | 380 | 410 | 440 | 473 |
| Water level | 379.5 | 380 | 380.5 | 381 | 381.5 | 382 | 382.5 | 383 | 383.5 |
| Time of day | 506 | 539 | 572 | 605 | 638 | 674 | 710 | 748 | 786 |
| Water level | 384 | 384.5 | 385 | 385.5 | 386 | 386.5 | 387 | 387.5 | 388 |
| Time of day | 826 | 866 | 906 | 946 | 986 | 1026 | 1068 | 1110 | 1152 |
| Water level | 388.5 | 389 | 389.5 | 390 | 390.5 | 391 | 391.5 | 392 | |
| Time of day | 1194 | 1240 | 1286 | 1332 | 1378 | 1424 | 1472 | 1522 |
Claims (3)
1. The pumped storage power station pumped power generation capacity measuring and calculating system is characterized in that: an upper reservoir water inlet and outlet of the pumped storage power station is connected with an upper reservoir water level gauge (7), a power generation motor power measurement module (8) is connected with a power generation motor outlet current transformer (10) and a power generation motor outlet voltage transformer (9), and the power generation motor power measurement module (8) and the upper reservoir water level gauge (7) of the pumped storage power station are sequentially connected with a protocol converter (5), a data acquisition unit (4), an optical fiber network (3), a switch (2) and a computer (1) through a communication interface (6).
2. The pumped-storage power station pumped-storage generating capacity measuring and calculating system of claim 1, wherein: and the generator motor outlet current transformer (10) and the generator motor outlet voltage transformer (9) are connected to a generator motor outlet bus of the pumped storage power station.
3. The pumped-storage power station pumped-storage generating capacity measuring and calculating system of claim 1, wherein: the power measuring module (8) of the generator motor and the data collected by the upper reservoir water level gauge (7) of the pumped storage power station are transmitted to the computer (1) through the communication interface (6), the protocol converter (5), the data collector (4), the optical fiber network (3) and the switch (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922148343.3U CN211149499U (en) | 2019-12-04 | 2019-12-04 | System for measuring and calculating pumped power generation capacity of pumped storage power station |
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| CN201922148343.3U CN211149499U (en) | 2019-12-04 | 2019-12-04 | System for measuring and calculating pumped power generation capacity of pumped storage power station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396284A (en) * | 2020-09-18 | 2021-02-23 | 国家电网有限公司 | Intelligent starting and stopping auxiliary system for pumped storage power station |
| CN116163879A (en) * | 2023-04-25 | 2023-05-26 | 南方电网调峰调频发电有限公司储能科研院 | Operation condition adjusting method and device for pumped storage power station and computer equipment |
-
2019
- 2019-12-04 CN CN201922148343.3U patent/CN211149499U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396284A (en) * | 2020-09-18 | 2021-02-23 | 国家电网有限公司 | Intelligent starting and stopping auxiliary system for pumped storage power station |
| CN116163879A (en) * | 2023-04-25 | 2023-05-26 | 南方电网调峰调频发电有限公司储能科研院 | Operation condition adjusting method and device for pumped storage power station and computer equipment |
| CN116163879B (en) * | 2023-04-25 | 2023-08-15 | 南方电网调峰调频发电有限公司储能科研院 | Operation condition adjusting method and device for pumped storage power station and computer equipment |
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