Transformer IDMT Over Current & Earth Fault Relay Setting


Transformer IDMT  Over Current & Earth Fault Relay Setting:

    Calculate LT & HT Side IDMT Over Current Relay Setting (50/51)  

  • Calculate LT & HT Side IDMT Over Current Relay Pick up setting.
  • Calculate LT & HT Side IDMT Over Current Relay PSM.
  • Calculate LT & HT Side IDMT Over Current Relay Time setting.
  • Calculate Actual Operating time according to Various IES Curve.
  • Calculate LT & HT Side Low current Setting(I>).
  • Calculate LT & HT Side High Current Setting(I>>)
  • Calculate LT & HT Side Actual Operating Time of Relay(t>)
  • Calculate LT & HT Side Actual Operating Time of Relay(t>>)

  Calculate LT & HT Side IDMT Earth Fault Relay Setting (50N/51N)  

  •  Calculate LT & HT Side IDMT Earth Fault Relay Pick up setting.
  • Calculate LT & HT Side IDMT Earth Fault Relay PSM
  • Calculate LT & HT Side IDMT Earth Fault Relay Time setting
  • Calculate Actual Operating time according to Various IES Curve.
  • Calculate LT & HT Side Low current Setting(Ie>)
  • Calculate LT & HT Side High Current Setting(Ie>>)
  •  Calculate LT & HT Side Actual Operating Time of Relay(te>)
  •  Calculate LT & HT Side Actual Operating Time of Relay(te>>)

    Calculate Differential Protection Relay setting:

  • Calculate Percentage Differential Current at Normal tapping
  • Calculate Percentage Differential Current at Highest tapping
  • Calculate Percentage Differential Current at Lowest tapping

Free Download     Buy UNLOCK Sheet

Advertisements

IDMT Over Current Relay Grading Calculation (50/51)


IDMT Over Current Relay Grading Calculation (50/51):

  • 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.

Free Download                 Buy UNLOCK Sheet

IDMT Relay Setting & Curves


IDMT Relay Setting & Curves

  • Calculation of Actual Plug (Relay Pick up) setting of Various IDMT Relay.
  • Calculate PSM of Various IDMT Relay.
  • Calculate Time setting of Various IDMT Relay.
  • Calculate Total Grading Time of Various IDMT Relay.
  • Calculate Actual Operating time according to Various IES Curve.
  • Draw Various IDMT Relay characteristic Curve.

Free Download     Buy UNLOCK Sheet

%d bloggers like this: