六月婷婷在线视频-六月婷婷中文字幕-六月亚洲精品一区-噜噜噜天天躁狠狠躁夜夜精品-亚洲第一视频网站-亚洲第一黄

When the motor is running, the current is unbalanced and the difference is very big

Service support - Product "Three Guarantees service" - Common fault handling

In the case of three-phase DC resistance balance, when there is three-phase running current imbalance, should check the three-phase terminal voltage balance. A slight unbalance of voltage can cause a great unbalance of current. Under normal circumstances, the unbalance is large when no load and small when full load. When the unbalance degree is not more than 10% in full load, it can operate normally.

When the three-phase current imbalance is found, the three-phase DC resistance of the motor can be measured with the double arms bridge. If the three-phase DC resistance is balanced, it does not belong to the motor quality problem, and the power supply and electrical control system need to be found.

Rolling bearing failure The cause of high temperature of sliding bearing The cause of oil leakage of sliding bearing Vibration problem Grounding and burning of motor winding Motor holding shaft problem Bearing electric erosion The turbo-generator fails in operation