Industrial Automation Magazine India

Motor Protection Relay

Published on : Tuesday 30-11--0001

 

• icro controller based motor protection relay. (Panel / Flush mounting.)
• Parameters: Phase- Phase missing (failure), phase reversal (sequence) and phase unbalance, Voltage – under voltage, over voltage based on 415V AC, Current – Under current, Over current based on nominal current set, Under frequency, Over frequency .
• earth leakage fault.
• Relay can be programmed for relay to get energized during healthy or unhealthy condition.
• Instant values of parameter displayed during healthy status. Reason for tripping displayed during unhealthy status.
• Unhealthy status will be displayed till the user acknowledges in manual mode.
• Auto / Manual
• Program lock facility available.
• Bypass of unwanted parameter can be programmed.
• CT primary can be programmed up to 2500 in steps of 5. CT secondary will be factory set for 5.
• MPR-E1– Panel / Flush mounting
• Trip delay time programmable for each parameter separately.