ABB 软起动器；PSTX
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The setting of the soft starter parameters should be set according to the different loads and select the appropriate starting mode. Different schema parameters are different.
(1) the appropriate startup mode should be selected according to the characteristics of the load.
In order to ensure the soft start effect of the motor, the initial voltage of the slope can not be set too high. In general, it is set in the range of 25%~50%.
The percentage of the voltage is the percentage of the electric grid voltage that is introduced immediately.
The percentage of the current is the percentage of the current rated current.
When the start and stop control mode is set to 3, while the external control connection is the two line control mode, the keyboard start and stop is invalid.
General soft starter set is divided into: start mode settings, set the parameters of the voltage slope start mode, limiting parameters of start mode settings, set the parameters of dynamic mode, control mode set, rated output current adjustment settings, display current calibration etc..
Soft starter is a new motor control device which integrates motor soft start, soft parking, light load, energy saving and multiple protection functions. It is called Soft Starter abroad. It is mainly composed of three phase anti parallel thyristor and electronic control circuit connected to the power supply and the controlled motor. Different methods are used to control the conduction angle of three phase anti parallel thyristor, so that the input voltage of the controlled motor varies according to different requirements, and different functions can be achieved.
