
IDMT Relay Curve Calculator
The document provides details for calculating relay settings for 5 different relays in an electrical distribution system. It includes information like the system voltage and load, feeder current, relay types and codes, and calculations for the required pickup settings, operating times, and curves for each relay. The white cells are for entering additional relay setting data.
- Calculate IDMT Over current Relay Grading up to 5 Nos of Radial Bus bar System.
- Calculate Relay Pick up setting of IDMT Over current Relay from Downstream to Source End.
- Calculate PSM of Various IDMT Relay from Downstream to Source End.
- Calculate Time setting of Various IDMT Relay from Downstream to Source End.
- Calculate Total Grading Time of Various IDMT Relay from Downstream to Source End.
- Calculate Actual Relay Operating time according to Various IES Curve.
Title : IDMT Relay Curve Calculator
Type : Microsoft Excel Spreadsheet (xlsx)
Size : 216 KB