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Topic Title: Differential Relay Testing
Topic Summary: Harmonic Restraint Curve
Created On: 13 June 2012 10:50 PM
Status: Read Only
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 13 June 2012 10:50 PM
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dlane

Posts: 690
Joined: 28 September 2007

Hi,

Does anyone have a harmonic restraint curve for a MIDOS MBCH series differential relay?

The manufacturer's literature has a bias curve within it but no harmonic restraint curve. I have established one through trial and error but it looks a little strange and I would like something to compare it to if possible.

Many thanks

Donald Lane
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