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Q#1
Fault Analysis
GATE EE 2016
NAT
+2 marks
-0 marks
A 30MVA, 3-phase, 50Hz, 13.8kV star-connected synchronous generator has positive, negative and zero sequence reactance. 15%, 15% and 5% respectively. A reactance is connected between the neutral of the generator and ground. A double line to ground fault takes place involving phase ‘b’ and ‘c’, with a fault impedance of j0.1 p.u. The value of (in p.u.) that will limit the positive sequence generator current to 4270 A is______________.
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Network Analysis | 268 | 0 | 0 | |
| Signals and Systems | 168 | 0 | 0 | |
| Control Systems | 262 | 0 | 0 | |
| Analog Electronics | 186 | 0 | 0 | |
| Digital Electronics | 150 | 0 | 0 | |
| Electrical Machines | 399 | 0 | 0 | |
| Power Electronics | 243 | 0 | 0 | |
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| EMFT EE | 111 | 0 | 0 | |
| Measurement | 160 | 0 | 0 | |
| Engineering Mathematics | 236 | 0 | 0 | |
| General Aptitude | 221 | 0 | 0 |
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