Separation of Transformers for Class 1E Systems in Nuclear Power Plants

Table 10

Variance in voltage during the plant start-up condition (Cat. I).

Power source	4.16 kV bus	Voltage regulation (%)
		Was	Is	Variance (%)
UAT	Class 1E	95.45	99.44	3.99
	Bus A
	Class 1E	95.53	99.51	3.98
	Bus B
	Non-Class 1E	99.53	99.51	3.98
	Bus A
	Non-Class 1E	95.45	100.07	4.62
	Bus B