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

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