The
power factor is to be determined by referring the open-circuit voltage wave to the two adjacent zero points
at the end half of the first complete current cycle by transposition through an appropriate timing wave –
the power factor to be computed as an average of the values obtained by using these two current zero
points and the voltage to neutral to be used in the case of a 3-phase circuit.
The System Voltage
used in the evaluation of secondary circuitry may be interpolated with interpolation continued
across the table for the Rated Impulse Withstand Voltage Peak and Clearance; and
This is generated text for figtxt.
JULY 14, 2005 SUPPLEMENTARY PROTECTORS FOR USE IN ELECTRICAL EQUIPMENT - UL 1077 31
Copyright Underwriters Laboratories Inc.
Provided by IHS under license with UL Licensee=Bureau Veritas Consumer Products/5907648100
No reproduction or networking permitted without license from IHS Not for Resale, 03/01/2006 23:06:22 MST
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