Power system protection / 
edited by The Electricity Training Association. 
 - 4 volume :  illustrations ;  24 cm. 
<br/><br/>v. 1. Principles and components -- volume 2. Systems and methods -- volume 3. Application -- volume 4. Digital protection and signalling 
<br/><br/><label>ISBN: </label>0852968345 0852968361 085296837X 0852968388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems --Protection.
<br/><br/><label>LC Class. No.: </label>TK3226   / .P68 1995