The swing equation in power system stability is given by:
Q.2Hard
The critical clearing time in transient stability refers to:
Q.3Hard
The Ferranti effect in long transmission lines is characterized by:
Q.4Hard
In the Newton-Raphson method for load flow analysis, convergence depends on:
Q.5Hard
The phenomenon of voltage instability leading to voltage collapse occurs primarily due to:
Advertisement
Q.6Hard
Which among the following is the correct formula for calculating bus voltage magnitude in Gauss-Seidel load flow method?
Q.7Hard
In a 500 kV transmission line, if the receiving end voltage drops to 0.9 pu, what type of compensation is most critical?
Q.8Hard
In transient stability assessment, what does the 'equal area criterion' determine?
Q.9Hard
In transient stability studies, which machine variable is most critical for assessing first-swing stability?
Q.10Hard
Which FACTS device provides independent control of both voltage magnitude and phase angle?
Q.11Hard
What is the critical clearing angle in transient stability analysis?
Q.12Hard
What is the primary mechanism of voltage instability in power systems?
Q.13Hard
Which formula represents the swing equation for a synchronous machine during a disturbance?
Q.14Hard
As per IEEE 1588-2019 standard, what is the typical accuracy of a Phasor Measurement Unit (PMU) for frequency measurement in power systems?
Q.15Hard
A 132 kV transmission line has a shunt capacitance of 0.008 µF/km and length of 200 km. Calculate the total reactive power generated by the line capacitance at steady state (assuming 132 kV operating voltage).
Q.16Hard
In the context of transient stability, a generator loses synchronism when:
Q.17Hard
Which of the following correctly represents the relationship between the steady-state stability limit and transient stability limit?
Q.18Hard
In a power system experiencing voltage instability, the reactive power support margin becomes critical. At what reactive power reserve margin should emergency measures be initiated according to Indian Grid Code?
Q.19Hard
The swing equation of a synchronous machine is given by: 2H(d²δ/dt²) = Pm - Pe - D(dδ/dt). What does H represent?
Q.20Hard
The critical clearing angle (δcr) in transient stability analysis represents:
