How to calculate input current required by a UV lamp ballast

ARLINGTON HIEIGHTS, ILLINOIS, USA, October 23, 2009: Hill Tech Sales, a leader in components for UV curing today introduced an article on how to calculate input current required by a UV lamp ballast

How do you calculate input current required by the ballast?

Input current to ballast = [(NOMINAL WATTS / Power Factor) * (Power supply efficiency)] / Ballast input voltage

 Example:

 For:

NOMINAL WATTS = 10,000

Power Factor = 0.92

Power supply efficiency) = 90%

Ballast input voltage = 220VAC

 Gives:

Input current to ballast = [( 10,000 / 0.92) * ( 0.90)] / 220 = 44.47 Amps

For more questions on this article contact:

Vince Hill
UV Specialist
Hill Technical Sales
216 West Campus Drive
Arlington Heights, IL 60004   
Tel: +1- 847-255-4400  ext 15
Fax: +1-847-255-0192    

You my also visit: http://www.hilltech.com/

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