Advanced Power System II (Department Elective - II) — Winter 2018

What is voltage stability? Explain different types of voltage stability.

Draw static security level diagram presented by stott et al.

Draw a schematic diagram showing the information flow between the various function to be performed in an operations control center computer system.

Explain least square approximation method for state estimation.

Write a short note on treatment of bad data and its detection.

Draw a complete flowchart for contingency analysis.

Prove that the receiving end voltage is extremely sensitive to any change in Power status at the receiving end bus.

Define and explain sensitivity factors.

With the help of analytical concept of voltage stability for a two bus system, define critical receiving end voltage for an uncompensated lossless line transmission system operating at unity power factor.

What is the role of load forecasting? How it reflects in current and future trends?

Explain the characteristics of (i) the receiving end voltage of a basic power transmission system for varying system reactance and, (ii) the characteristic of voltage V/s system short circuit capacity for any fixed value of real power flow Considering leading, u.p.f. and lagging power factors load.

Explain auto regressive model for stochastic time series approach.

Explain the operation of synchronous condenser in steady state using V-I characteristics. Provide its application.

Explain structure of vertically integrated utility.

What are the problems occurring in restoration after blackout.

Explain structure and entities in deregulated industries.

Explain the V-Pcharacteristics of static impedance load and dynamic impedance load for different tap position.