The air compressor adopts full-voltage starting for 2000kW high-voltage motor (10kV). The control cabinet is indoor communication and metal armored pull-out switchgear. The switchgear consists of two parts: fixed cabinet and extractable parts, namely handcart. The purpose of control, protection and monitoring has the function of “five defenses”.
The central signal device is divided into two types: an accident signal and a warning signal. The main task of the accident signal is to emit an audible signal in time when the circuit breaker accident trips, and to flash the corresponding circuit breaker light position signal. The main task of the warning signal is to instantaneously or delay the sound signal when the running device is abnormal, and the light card displays the abnormality.