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A dynamic test system and test analysis method for primary frequency modulation on the side of energy storage and power consumption

A technology of dynamic testing and testing and analysis, applied in the field of energy storage

Active Publication Date: 2022-05-24
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The compressed air energy storage system can participate in the primary frequency regulation of the power grid in the two stages of energy storage and energy release, but there is no response monitoring method for whether the primary frequency regulation can operate correctly during the operation of the compressed air energy storage motor

Method used

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  • A dynamic test system and test analysis method for primary frequency modulation on the side of energy storage and power consumption

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Experimental program
Comparison scheme
Effect test

Embodiment

[0027] Embodiment: A dynamic test system and test analysis method for primary frequency modulation on the power consumption side of energy storage, which can carry out the following tests of primary frequency modulation on the power consumption side of compressed air energy storage: dead zone test, speed unequal rate test, power limit range test, system Response time and action time tests.

[0028] The switch adopts XC-U type seamless switch.

[0029] The wave recorder adopts HDBH6500 type.

[0030] The signal generator adopts 33250A arbitrary waveform generator.

[0031] The frequency signal acquisition card adopts YAV F407 type.

[0032] The primary frequency modulation function module, power controller and grid frequency signal measurement device adopt the matching model of the prime mover host DCS.

[0033] The signal generator outputs frequency values ​​close to the dead zone and beyond the dead zone. For example, the dead zone is set to ±0.05Hz and the rated frequency...

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Abstract

The invention discloses a dynamic test system and test analysis method for primary frequency modulation on the side of energy storage and electricity consumption, which includes a wave recorder (1), a wave recorder (1), a signal generator (2) and a power controller (5) respectively connected to record the speed signal of the signal generator (2) and the power control signal of the power controller (5); the signal generator (2) and the power grid frequency signal measuring device (8) are respectively connected to the two switches (9) The input terminal, the output terminal of the switch (9) are connected to the frequency signal acquisition card (3), the frequency signal acquisition card (3) is connected to the primary frequency modulation function module (4), and the primary frequency modulation function module (4) is connected to the power controller (5). ), the power controller (5) is connected to the motor (7); the air compressor (6) is connected to the motor (7) through the transmission shaft; the primary frequency modulation function test of the compressed air energy storage and power consumption system can be realized during operation , to ensure the security and stability of the grid operation.

Description

technical field [0001] The invention belongs to the technical field of energy storage, and in particular relates to a dynamic test system and a test analysis method for a primary frequency regulation of an energy storage power consumption side. Background technique [0002] The primary frequency modulation function of the generator set can make the generator set respond to the changes of grid power and frequency at any time, and improve the frequency control level and power quality of the entire power generation and supply system. With the large-scale investment of intermittent energy such as wind power, more The primary frequency regulation capacity ensures the safety and stability of the entire power generation system. [0003] The compressed air energy storage unit has a large capacity, which ensures that its primary frequency regulation operates correctly according to regulations, and has a strong support for power grid peak regulation and frequency regulation. The comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 文贤馗张世海钟晶亮邓彤天王文强王锁斌李翔吴鹏李前敏席光辉田今朝熊浩然
Owner GUIZHOU POWER GRID CO LTD