Allis-Chalmers Engineering Review

Allis-Chalmers Engineering Review

4.11 - 1251 ratings - Source

A separate a-c source should, therefore, not be used for closing power to circuit breakers if operating conditions require ... in the switchgear lineup, the use of a 125-volt d-c control battery requires too much space to be housed economically. ... need of furnishing a capacitor tripping device for each circuit breaker, a substantial reduction in the cost of the switchgear is ... units are involved and battery maintenance does not present a problem, a 125volt station battery is generally the mostanbsp;...

Title:Allis-Chalmers Engineering Review
Publisher: - 1946


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