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

What do you mean by deregulated power system? Discuss its advantages and relative limitations to vertical integrated system

Explain function of different entities in deregulated power system.

Describe Least Square Estimation (LSE) and Weighted LSE for estimation of x (vector of n random variables) using another vector y of variables m (>n).

Explain various applications of state estimations in a power system.

In relation to state estimation process, explain detection, identification and suppression of bad data in the measurement vector.

Derive the expression of critical voltage and critical angle at receiving end at voltage stability limit for two bus system.

What is voltage stability? Explain different types of voltage stability

Enlist different types of reactive power compensation methods for heavily loaded and voltage stressed power systems. Explain static VAR compensators in detail.

What is voltage collapse? Explain the main factors that contribute to the phenomena of voltage collapse.

Write short note on load forecasting.

Explain load forecasting methodology and estimation of average and trend terms.

For a transmission line connected between two buses, derive the expression of voltage regulation and also prove from the phasor diagram that the Qand Vhave a strong coupling.

Derive the expression of critical voltage and critical angle at receiving end at voltage stability limit for two bus system.

Explain system state classification with relevant figures clearly showing the security levels and transition between different security levels

Write short note on sensitivity factors used in security analysis.

How black out occurs in power system? Discuss power system restoration after a black out.

Write a short note on Indian scenario of power systems and Electricity Act, 2003.