JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite

Power System, Power Electronics

Course Objectives:

• Understand the basics of formation of bus admittance matrix, modeling of transmission line, and analyze the load flow. 
• Teach the analysis of sensitivity and the basics of power system security. 
• Explain the voltage stability, proximity indicators and participation factors.
• Familiarize with FACT systems for controlling the power and configuration of various FACT devices. 
• Introduce the thyristor-controlled series capacitor, its analysis, different modes of operation and various models. 

Course Outcomes

After completion of the course, students will be able to:

• Create the bus admittance matrix, describe the reactive power of transmission line, model the transmission line, define the model of OLTC and analyze the load flow of lines.
• Analyze the sensitivity of different distribution factors, explain the power system security, and select and evaluate the contingency. 
• Determine the voltage stability, proximity indicators and participation factor based on model analysis. 
• Describe the FACT’s controllers for power system and configure various FACT devices.

UNIT - I

Power System components models formation of bus admittance matrix, algorithm for formation of bus impedance matrix, Reactive power capability of an alternator, transmission line model and loadability, Reactive power transmission and associated difficulties, regulated shunt compensation, Models of OLTC and Phase shifting transformer, load flow study.

UNIT - II

Sensitivity analysis: Generation shift distribution factors, line outage distribution factors, Compensated shift factors. Power system security levels, contingency selection and evaluation, security constrained economic dispatch. Pre- contingency corrective rescheduling.

UNIT - III

Voltage stability: Proximity indicators e.g., slope of PV-curve, Minimum Eigen value of reduced load flow Jacobian, participation factors based on modal analysis and application.

UNIT - IV

Flexible ac transmission systems, Reactive power control, Brief description and definition of FACT’s controllers, Shunt compensators, Configuration and operating characteristics of TCR, FC-TCR, TSC, Comparison of SVCs.

UNIT - V

The Thyristor-controlled series capacitor (TCSC), Advantages of the TCSC, Basic principle and different mode of operation, Analysis, Variable-reactance model and transient stability model of TCSC.

TEXTBOOKS:

• 1. D. P. Kothari and I. J. Nagrath, “Modern Power System Analysis”, Tata McGraw Hill 2011.
• 2. A. J. Wood and B. F. Wollenberg, “Power generation, operation and control”, second edition John Wiley and Sons 1996.
• 3. N. G. Hingorani and L. Gyugyi, “Understanding facts: Concepts and Technology of flexible AC transmission systems”, Wiley Press 2000.

REFERENCES:

• 1. P. Kundur, “Power System Stability and control”, McGraw-Hill edition 2008.
• 2. R. M. Mathur and R. K. Varma, “Thyristor Based FACTS Controllers for electrical Transmission systems”, John Wiley and sons 2002. M. Tech – II Semester L T P C 3 0 0 3