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

Abstract

The invention discloses an energy storage power generation side primary frequency modulation dynamic test system and a test analysis method. The system comprises a signal generator (1), a rotating speed acquisition card (2), a primary frequency modulation function module (3), a power controller (4), a compressed air expansion power generation system air inlet regulating valve (5), a rotating speedmeasuring device (6), an expansion machine (7), a generator (8), a change-over switch (9), a power measuring device (10) and a recorder (11). During operation of the unit, a rotating speed signal isswitched into a signal generator to a rotating speed acquisition card through a selector switch, and a dead zone test, a rotating speed unequal rate test, a power limit amplitude test, a system response time test and an action time test can be carried out; according to the invention, the primary frequency modulation function of the compressed air energy storage expansion power generation system can be dynamically tested and analyzed and checked during operation, the frequency control level and the electric energy quality of the whole power generation and supply system are improved, and the operation safety and stability of the whole power generation and supply system 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 analysis method for primary frequency modulation on the side of energy storage and power generation. Background technique [0002] The primary frequency regulation of the power system refers to the adjustment method that uses the inherent load frequency characteristics of the system and the function of the governor of the generator set to prevent the system frequency from deviating from the standard. The frequency control level and power quality of the power generation and power supply system ensure the safety and stability of the entire power generation and power supply system. [0003] The compressed air energy storage system can realize power generation, energy release and power storage. It has the advantages of large energy storage capacity, low pollution, moment of inertia, and long life. Timely response is extremely impor...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a dynamic test system and test analysis method for the primary frequency regulation of the energy storage and power generation side, so as to solve the problem that the prior art does not have a test for the primary frequency regulation system of the energy storage and power generation side, and cannot grasp the energy storage in real time. Technical issues such as the accuracy of the primary frequency regulation system on the power generation side

The toggle switch realizes uninterrupted, seamless, and disturbance-free switching of the signal during the switching process

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