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A new AC dielectric breakdown test method of stator coils for high‐voltage rot at ing machinery

“…. An o u t l i n e of t h e a n a l y t i c a l method s h a l l be explained h e r e s i n c e i t s d e t a i l s were w r i t t e n i n [ 2 ] .…”

“…s t r e n g t h tests when t h e test v o l t a g e is increased. Accordingly, t h e a p p l i e d v o l t a g e c i p l e of t h e DPAM; a n a l y t i c a l method of t o c o i l s h a s a c e r t a i n a l l o w a b l e l i m i t i n analogue s i m u l a t i o n t o o b t a i n t h e optimum i t s v a l u e [ 2 ] . This paper e x p l a i n s t h e following prin-I n breakdown of a high-voltage r e g i o n of t h e GIL.…”

“…To analyze d i s t r i b u t i o n s of e l e c t r i c p o t e n t i a l , f i e l d -i n t e n s i t y , electric curr e n t , and j o u l e l o s s i n t h e DPAM, analog simulation w a s employed with t h e a i d of an equivalent network c i r c u i t of diode capacitances[ 2 ] …”