SISTEM PENGAMAN MOTOR INDUKSI 3 PHASA TERHADAP GANGGUAN UNBALANCE VOLTAGE DAN OVERLOAD

RAHARJA, LUCKY PRADIGTA SETIYA and Sudiharto, Indhana and Sunarno, Epyk (2011) SISTEM PENGAMAN MOTOR INDUKSI 3 PHASA TERHADAP GANGGUAN UNBALANCE VOLTAGE DAN OVERLOAD. EEPIS Final Project.

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Abstract

The 3 phase induction motor is a motor type most often used in production processes in industry. This is because the induction motor has several advantages that are not owned by a DC motor, but often also occur among other disturbance Unbalance Voltage and Overload in the 3 phase induction motor. The disturbance has a very harmful impact if allowed to drag on due to a very large current flows thereby increasing the temperature and can lead to 3 phase induction motor burn. To overcome the interference, we need a system that can secure from Unbalance Voltage according to the standard ANSI Std C84.1- 1989 and Overload Protection Relay Overcurrent with name plate CKR Series. The security system works by comparing the value setpoin and voltage and current parameters of the outtakes from the 3 phase induction motor as load. From testing the security system Unbalance Voltage and Overload that works by comparing the current value of setpoin between 1.5 Amperes to 5 Amperes then obtained an average percentage error 3.44 % for the time trip on security contactors Overload and voltage between 360 Volts to 380 Volts with a percentage Unbalance Voltage between 0 % to 10.95 % in Unbalance Voltage safety.

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