khizar bhullar
this is book
this is book
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Contents<br />
8. D.C Circuit Breakers.<br />
a. Producing of current zero (Four different methods)<br />
9. Circuit Breakers requirement.<br />
a. Current Interruption<br />
b. Recovery voltage withstand.<br />
c. Recovery voltages calculation by current Injection<br />
Techniques<br />
c1. Current injection sequence.<br />
c2. Examples of current Injection<br />
d. Arc theory in short-line fault calculations<br />
"Prof Dr. Suhail Aftab Qureshi" 13
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