ZJSHUYI Can a high-power soft starter bring a small motor?www.shuyitop.c...
If the high-power soft starter is used to debug the cabinet, it is best to have a light bulb. .
For example, 200KW with a small motor can be started very quickly, because the rated current of the small motor is small, and the high-power soft starter cannot detect the running current, it will report a phase loss fault. .
If debugging, bring a light bulb and look at the three-phase trigger to measure the quality of the soft start or control loop. . .
When the high-power soft starter runs with a small motor on site, pay attention to the setting of the protection parameters of the soft starter, otherwise various protection functions may fail.
For example, if it is a water pump with low power, a 90KW soft start with a 90KW motor can be used. .
For heavy loads, such as fans, belt conveyors, etc., it is recommended that you choose a soft start of 115KW.
The 90KW soft starter is equipped with a 75KW motor. After all, the big horse-drawn trolley is relatively stable and reliable.
However, high-power soft starters with small motors also have problems, such as inaccurate protection functions such as current limiting, overcurrent, and phase current imbalance, causing the soft starter to malfunction.
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