Power Systems For a lossy transmission line, the characteristic impedance does not depend on The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LLG LLL LG LL LLG LLL LG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect occurs under half load any of the above full load no load half load any of the above full load no load ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. decrease system stability. improves system stability. reduces the short circuit current. increased the short circuit current. decrease system stability. improves system stability. reduces the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is mica porcelain PVC glass mica porcelain PVC glass ANSWER DOWNLOAD EXAMIANS APP
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