engineering recuitment MAHATRANSCO AE Electrical Mock Test Electrical Machines Alternator and Synchronous Motors Alternator Voltage Regulation
In the Potier method of voltage regulation, which of the following characteristics is/are determined by conducting tests on the machines running at synchronous speed?
(i) Open-circuit characteristic
(ii) Zero power factor (lagging) characteristic
(iii) Short-circuit characteristic1
(i), (ii) and (iii)
2
Only (i) and (ii)
3
Only (i) and (iii)
4
Only (iii)
5
Only (ii)