Electro Mechanical Type Over Voltage Relay Study Trainer

Electro Mechanical Type Over Voltage Relay Study Trainer :

This test set-up consists of a. Electromechanical over voltage-relay. b. Relay test setup with meter.

A. ELECTROMECHANICAL OVER VOLTAGE - RELAY :

• - One electromechanical type over voltage relay
• - Make: Megawin
• - Voltage setting multiplier (121V, 132, 143, 154, 165, 176, 187V)
• - Time setting multiplier.
• - One “NO” contact @ 220V, 10Amp rating.
• - One “NC” contact @ 220V, 10Amp rating

B. RELAY TEST SETUP WITH METER :

• - One 0-300V, 1AMP variable AC source provided for relay coil.
• - One auto transformer provided for AC voltage adjustment.
• - One illuminated rocker switch provided for power ON/OFF.
• - One digital voltmeter used to indicate applied voltage.
• - One digital timer provided for relay tripping time measurement.
• - One automatic relay tripping time measurement circuit.
• - One start/stop push-to on switch provided for time measurement circuit.
• - One reset switch provided for timer reset.