A balanced 3-phase system consists of_______________?

negative and zero sequence currents

positive sequence currents only

negative and zero sequence currents

zero, negative and positive sequence currents

Explore topic-wise MCQs in Electrical Engineering.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.	A balanced 3-phase system consists of_______________?
A.	zero sequence currents only
B.	positive sequence currents only
C.	negative and zero sequence currents
D.	zero, negative and positive sequence currents
Answer» C. negative and zero sequence currents

Discussion

2.	A 50 Hz 3 phase synchronous generator has inductance per phase of 15mH. The capacitance of generator and the circuit breaker is 0.002μ F. What is the natural frequency of oscillation?
A.	29 kHz
B.	2.9 kHz
C.	290 kHz
D.	29 MHz
Answer» B. 2.9 kHz

Discussion

Explore topic-wise MCQs in Electrical Engineering.

A balanced 3-phase system consists of_______________?

A 50 Hz 3 phase synchronous generator has inductance per phase of 15mH. The capacitance of generator and the circuit breaker is 0.002μ F. What is the natural frequency of oscillation?