Unlock instant, AI-driven research and patent intelligence for your innovation.

Energy storage power utilization side primary frequency modulation dynamic test system and test analysis method

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

Active Publication Date: 2020-09-25
GUIZHOU POWER GRID CO LTD
View PDF5 Cites 0 Cited by
  • 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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Energy storage power utilization side primary frequency modulation dynamic test system and test analysis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

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

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

[0029] Wave recorder adopts HDBH6500 type.

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

[0031] Frequency signal acquisition card adopts YAV F407 type.

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

[0033] The signal generator outputs the frequency value close to the dead zone and beyond the dead zone, if the dead zone is set to ±0.05Hz, the rated frequency...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an energy storage power utilization side primary frequency modulation dynamic test system and test analysis method. The system comprises a recorder (1) which is connected witha signal generator (2) and a power controller (5), and records a rotating speed signal of the signal generator (2) and a power control signal of the power controller (5). The signal generator (2) andthe power grid frequency signal measuring device (8) are respectively connected to two input ends of the change-over switch (9). The output end of the selector switch (9) 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 controller (5), and the power controller (5) is connected with the motor (7). The air compressor (6) is connected with the motor (7) through a transmission shaft. The primary frequency modulation function test of the compressed air energy storage power consumption system can be realized in operation, and the safety and stability of power grid operation are ensured.

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 and analysis method for primary frequency modulation of the energy storage power consumption side. Background technique [0002] The primary frequency regulation function of the generator set can make the generator set respond to the change of grid power and frequency at any time, improve the frequency control level and power quality of the entire power generation and supply system, and with the large-scale investment of intermittent energy sources such as wind power, more The primary frequency modulation capacity ensures the safety and stability of the entire power generation and power supply system. [0003] The compressed air energy storage unit has a large capacity, which ensures the correct operation of its primary frequency regulation according to the regulations, and has a strong support effect on the peak regulation and ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(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