PI of Transformer ? - CR4 Discussion Thread

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rajatkumar66 Participant Join Date: Aug 2013 Posts: 1	PI of Transformer ? 08/02/2013 5:59 AM
	Polarization Index value should be 2 in summer season, but in rainy season the value should be above 1.5.
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RAMConsult Guru Join Date: May 2007 Location: NYC metropolitan area. Posts: 3230 Good Answers: 444	#1 Re: PI of Transformer ? 08/02/2013 10:59 AM
	Is this a question or a statement? Unless the conditions are identical when the same piece of equipment is tested the PI will vary according to the temperature and dew point. __________________ “Tell me and I forget. Teach me and I remember. Involve me and I learn.” Ben Franklin.
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electricalexpert65 Guru Join Date: Oct 2009 Posts: 2061 Good Answers: 169	#2 Re: PI of Transformer ? 08/04/2013 10:16 AM
	Why should there be a Difference in required PI in Summer & in Winter? The requirement shall not change. Any value above 2 is good.
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