id	keyword
fuelectenerg-5887	transformer
fuelectenerg-5887	power
fuelectenerg-5887	frequency
fuelectenerg-5887	aging
fuelectenerg-5887	winding
fuelectenerg-5887	response
fuelectenerg-5887	power transformer
fuelectenerg-5887	analysis
fuelectenerg-5887	fra
fuelectenerg-5887	model
fuelectenerg-5887	core