In order to ensure the safe operation of the inverter, the inverter sends out a fault alarm signal and a fault shutdown signal according to its own operating conditions. When the fault stop signal occurs, the protection system should be able to cut off the QF within 80ms. In addition, in order to prevent personal injury or equipment damage caused by misoperation, the mutual locking device is installed between QS1, QS2, QS3 and QF.
Operation Control Function The operation of the blower has remote control, remote soft/hard hand operation, local panel control and bypass control. The operating personnel can pass the DCS operation interface according to the operating condition of the unit, and can also realize the start and stop operation of the blower and the control of the blower speed through buttons and hard hand-held devices. It is also possible to restore the system to the original operation mode by means of bypass, so as to ensure that the system can also meet the needs of the unit load by controlling the opening of the baffle when the inverter is faulty.
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