Product Profile of Digital Protective Relays

Larsen and Toubro Limited manufactures Digital Protective Relays. The Digital Protective Relays are made to ensure total protection for motors, feeders, generators, transformers & schemes for load synchronizing. The Digital Protective Relays are also used for parallel operation of generators, grid islanding & load sharing load shedding. Some salient features of these Digital Protective Relays are as follows:

• Low power burden

• Communication capable

• Offer multiple protections

• Compact and light weight meter

• Flexibility in selection of protection curve

• Self-diagnostic feature ensures complete reliability

• Conforms to latest standards IEC 6100, IS 3231 and IS 8686
Available product range of these Digital Protective Relays:

• Motor protection

• Control supervision

• Power factor control

• Generator protection

• Transformer protection

• Under voltage, over voltage

• Single phase & three phase over current and earth fault relays