Emheater EM-GS Series, Руководство пользователя

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EM-GS User's Manual 7. Test Run and Application
23

Soft starter parallel connected with one power-line: If several soft starter parallel installed in the one power line,
the input line reactor should be installed in the middle of the transformer and the soft starter circuit. Reactor should be
installed at each line input side between circuit breaker and soft starter.

The application of surge protection device (SPD): The surge protection device should be considered to
installed in the application case, where is easily caused trouble by lightning or other reasons, such as over voltage,
over-current, surge interference. Please refer to SPD related documents for details.
7.5 Application examples
The parameters of the different loads are different, please refer to diagram 7.2.
The loading
Voltage ramp
starting time(s)
Voltage ramp
stopping time(s)
Initial
voltage
Voltage ramp
(current limit)
Current limit
to start
Ball mill
machine
20 6 60% 400% 350%
Fan 26 4 30% 400% 350%
Centrifugal 16 20 40% 400% 250%
Piston
compressor
16 4 40% 400% 300%
hoister 16 10 60% 400% 350%
Stirring
machine
16 2 50% 400% 300%
Breaker 16 10 50% 400% 350%
Screw
compressor
16 2 40% 400% 300%
Rotating
conveyor
20 10 40% 400% 200%
Light load 16 2 30% 400% 300%
Convey belt 20 10 40% 400% 250%
Heat pump 16 20 40% 400% 300%