Define the voltage regulation
[3 marks]Explain what you mean by state estimation of power system and how does it differ from load flow solutions.
[4 marks]Two generating units rated for 250 MW and 400 MW have governor speed regulation of 6.0 and 6.4 percent, respectively, from no-load to full-load, respectively. They are operating in parallel and share a load of 500 MW. Assuming free governor action, determine the load shared by each unit.
[7 marks]Enumerate the need for restructuring.
[3 marks]Write short note on System monitoring
[4 marks]Develop step by step the mathematical model for a state estimator using line power flows with the help of weighted least square method as suggested by Dopazo et al.
[7 marks]Describe the different types of market model
[7 marks]Define the surge impedance loading (SIL) of a transmission line.
[3 marks]Find the capacity of static VAR Compensator to be installed at a bus with ±5% voltage fluctuation. The short circuit capacity is 5000 MVA.
[4 marks]What do you mean by “Bad Data” in power system? How does it creep in while obtaining a good state estimator? Explain clearly how it is taken care of by using theory of probability
[7 marks]Explain how system blackout occur.
[3 marks]A 250-MW, 60-Hz turbine generator set has a speed regulation of percent based on its own rating. The generator frequency decreases from 60 Hz to a steady state value of 59.7Hz. Determine the increase in the turbine power output.
[4 marks]Explain factors affecting power system security.
[7 marks]What do you mean by line load ability?
[3 marks]Describe the need for deregulation of various power system
[4 marks]Drive the expression for steady state frequency change for single area system with the following cases. I. Changes in load with fixed speed 2.Changes in speed with fixed demand1
[7 marks]Demonstrate why the frequency and voltage to be regulated in power system?
[3 marks]Discuss the importance and features of congestion management in deregulated power system.
[4 marks]Explain the following with the help of circuit diagrams. 1.Optimal dispatch 2 Post contingency 3 Secure dispatch 4 Secure post- contingency
[7 marks]Which method of load forecasting would you suggest for long term and why?
[3 marks]Explain various Players involved in the Indian Power sector
[4 marks]Develop an expression to find the magnitude of reactive power requirement for voltage control in log transmission lines.
[7 marks]What is meant by free governor operation?
[3 marks]How is the forecaster's knowledge and intuition considered superior to any load forecasting method? Should a forecaster intervene to modify a forecast, when, why and how
[4 marks]Explain with the help of block diagram automatic voltage regulator of trubo generators.
[7 marks]