DISTURBANCE ANALYSIS OF 3 PHASE INDUCTION MOTOR IN FUEL OIL PUMP WITH MOTORCURRENT SIGNATURE ANALYSIS METHOD IN PT X

Electrical Engineering

The Equipment of Powerplant is a vital component in a power generation wiring installation, so reliability needs to be maintained at all times. Especially the 3-phase induction motor. Failure of an equipment component will result in the cessation of a process. To avoid this, operation and maintenance should be appropriate. The damage occurring to the induction motor is known through monitored indicators deviating from its normal value state. Current Motor Signature Analysis (MCSA) is one of the analyze methods for alternatives in analyzing and determining the type of electrical motor damage.So, we can determine the cause and corrective action. The deviation of operating parameters is the increase of motor temperature from normal condition has been done by using Motor Current Signature Analysis (MCSA) method at load 83% from motor maximum load. Based on the Standard Electrical Apparatus Service Association (EASA) on the Rotor Bar Damage Severity Level Chart, the motor fuel oil pump results identified as the damage of the rotor bar i.e. the level of condition 3 / medium level C: 3 (53 dB), meaning there is a marginal condition error motor rotor bar, there may be 1 error rotor bar (crack / damaged) thus causing the motor temperature rise. Further recommendations are in accordance with EASA standards, i.e. monitoring / checking should be done periodically with more frequent intervals and monitored its progress.

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