id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-4348		cet-4348		6	.pdf	application/pdf	2971	135	54	To the power frequency grid, electric shock frequency signal will not exceed 1 kHz, and higher than 20 times harmonics the shock exist, large amplitude. To detect and identify biologic shock current signal is one of the key issues of RCD nuisance tripping and refusal operation.	cache/cet-4348.pdf	txt/cet-4348.txt