sinu me alam ng sagot dito: show that Zpu for 3-phase transformers is same for wye or delta connections. hehe
Mr. Serious
says
alam kong hindi ko alam ang sagot diyan! 
ililibre ko makakasagot nito. haha
gagamitin ko ung ipanlilibre saken ni biboy pag nasagot ko yan. haha
