2013年10月8日星期二

Direct control of the mixer motor contactor

 Mixing station drying drum capacity is generally 1t ~ 10t, electricity Machine 18.5KW ~ 55KW power in general between , concrete block machine the direct control of the motor contactor start stop Not only shut down for a long time , it normally takes about 30 seconds , and the frequent switching and straight forward reverse Then the start and stop of the motor equipment and grid impact are large, so that the device will greatly shorten Bolted Type Cement Silo  In this case , you must use the inverter , and the inverter has the following to Requirements: 1 ) strong overload 2 ) has a two -speed function 3 ) external terminal control 4 ) energy 24 Hours of work 5 ) can quickly reversing switch from positive to reverse the total time of 5 seconds or less.

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