Contents Foreword	 1	Scope	 2	Normative References	 3	Terms and definitions	 4	Testing Theory	 5	Requirements on Testing Instrument	 6	Test Method	 7   Analytical Judgment on Winding Deformation	 Annex A (Normative) Auxiliary judgment on deformation of transformer winding through the correlation factor R	 Annex B (Informative) Typical amplitude frequency response characteristics curve of deformation of transformer winding	
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