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

A static test, test analysis technology, 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
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Problems solved by technology

Therefore, it is necessary to statically test the control strategy and parameters of the primary frequency modulation-related functional modules before the electric compressor system is started, to determine whether it is correct, and to play a basic role in ensuring the stable operation of the power grid; however, the existing technology does not target the primary frequency regulation of the compressed air energy storage system. FM static test

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

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Experimental program
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Effect test

Embodiment

[0025] Embodiment: A static 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.

[0026] The wave recorder adopts HDBH6500 type.

[0027] The signal generator adopts 33250A arbitrary waveform generator.

[0028] The primary frequency modulation function module, power controller, frequency signal acquisition card and grid frequency signal measurement device adopt the matching model of the prime mover host DCS.

[0029] 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 is 50Hz. The signal generator outputs 50.04Hz and 49.96Hz. Record the output signal of the...

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Abstract

The invention discloses a static test system and a test analysis method for primary frequency modulation on the side of energy storage and electricity consumption, which includes a wave recorder (1), the wave recorder (1) and a signal generator (2) output signals and a power controller respectively (5) The output signal terminal is connected; the signal generator (2) is connected with the frequency signal acquisition card (3); the frequency signal acquisition card (3) is connected with the primary frequency modulation function module (4); the primary frequency modulation function module (4) is connected with the power The controller (5) is connected; the power controller (5) outputs a signal to control the power of the motor, and the air compressor (6) is connected to the motor (7) through the drive shaft; the dead zone test, the speed unequal rate test, and the power limit range test are carried out , System response time and action time test; realize a frequency modulation function test of the compressed air energy storage power consumption system before starting, improve the frequency control level and power quality of the entire power grid, and ensure the safety and stability of the power grid operation.

Description

technical field [0001] The invention belongs to the technical field of energy storage, and in particular relates to a static 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 enables the generator set to respond to the changes of grid power and frequency at any time, improve the frequency control level and power quality of the entire power generation and power supply system, and ensure the safety and stability of the entire power generation and power supply system. [0003] The compressed air energy storage system has the advantages of large energy storage capacity, low pollution, rotational inertia, long life, etc., and can realize power generation and energy storage through expansion generators and electric compressors respectively, and can support grid peak regulation in both directions. Frequency regulation, ens...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02G01R31/34
CPCG05B23/0213G01R31/34G05B2219/24065
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