Electrical main wiring system of compression system of 300MW-level compressed air energy storage power station and control method of electrical main wiring system

The invention discloses an electrical main wiring system of a compression system of a 300MW compressed air energy storage power station and a control method of the electrical main wiring system, and the electrical main wiring system of the compression system comprises configuration and wiring schemes of a compressor frequency conversion starting and speed regulating device, a compressor transformer, a medium-voltage enclosed bus and a compressor circuit breaker. Four compressor motors of each column of compressor units are provided with a set of variable-frequency starting and speed regulating device which has the functions of variable-frequency starting of first-section, second-section and third-section compressors and variable-frequency starting and speed regulating operation of fourth-section compressors, the output side of the variable-frequency starting and speed regulating device is provided with a variable-frequency device output bus, and the variable-frequency device output bus is provided with one in