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Operation And Maintenance Of Motor

Checklist Of Motor running operation;

1 The Field Operator should not start the operation until the notice has been given.

2 The electric power of the motor is stopped by the Shift Chief-Operator and above, and is signed on the operation ticket.

3 The motor start /stop should and operator must monitor the electrical parameter. Operator should record the motor stop, start stop time and cause details.

4 The starting times of the motor should comply with the requirements of the manufacturer, and if the manufacturer fails to make such provisions, the following provisions shall be observed:


Operation And Maintenance Of Machinery;


Squirrel cage rotor motor in normal cold state (core temperature below 50 DEG C) to start two times, each time interval of not less than 5 minutes, allowed to start once in the hot state, only in dealing with the accident and the start time is not more than 2 seconds to 3 seconds to start the motor, a. Do the dynamic balance test, the starting time interval is:

1- 500 kW motor should not be less than 2 hours.

2- 200 kW ~ 500 kW motor should not be less than 60 minutes

3- 200 kW motor should not be less than 30 minutes

5 For remote operation of the motor should carry out the external inspection by the Operator, notify the operator and stay near the accident button, until the speed goes up to the rated normal operation.

6 When starting the motor, the Operator shall monitor the ammeter reading. After the start of the motor should check whether the current indicator exceeds the rated value,review the motor body when in doubt and report the Shift supervisor.

7 Under normal circumstances the motor is not allowed to start with load.
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