EE2036 Flexible AC Transmission Systems - SUBJECT CATALOG

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SYLLABUS:


EE2036           FLEXIBLE  AC TRANSMISSION SYSTEMS         L T  P C

3 0 0  3

AIM:    To enhance the transmission capability of transmission system by shunt and series compensation using static controllers.

OBJECTIVES:

i.          To understand the concept of flexible AC transmission and the associated problems. ii.     To review the static devices for series and shunt control.

iii.         To study the operation of controllers for enhancing the transmission capability.

UNIT I INTRODUCTION       9

The concept of flexible AC transmission - reactive power control in electrical power transmission lines -uncompensated transmission line – series and shunt compensation. Overview of FACTS devices - Static Var Compensator (SVC) – Thyristor Switched Series capacitor (TCSC) – Unified Power Flow controller (UPFC) - Integrated Power Flow Controller (IPFC).

UNIT II            STATIC VAR COMPENSATOR (SVC) AND APPLICATIONS     9

Voltage control by SVC – advantages of slope in dynamic characteristics – influence        of  SVC  on system voltage. Applications - enhancement of transient stability –  steady  state                power transfer – enhancement of power system damping – prevention of voltage instability.

UNIT III           THYRISTOR CONTROLLED SERIES CAPACITOR(TCSC)AND APPLICATIONS      9

Operation of the TCSC - different modes of operation – modeling of TCSC – variable reactance model – modeling for stability studies. Applications - improvement of the      system            stability            limit      – enhancement of system damping – voltage collapse prevention.

UNIT IV           EMERGING  FACTS CONTROLLERS       9

Static Synchronous Compensator (STATCOM) – operating principle – V-I characteristics Unified Power Flow Controller (UPFC) – Principle of operation -  modes  of  operation  –  applications  – modeling of UPFC for power flow  studies.

UNIT V            CO-ORDINATION OF FACTS CONTROLLERS   9

FACTs Controller interactions – SVC–SVC interaction - co-ordination of multiple  controllers using linear control techniques – Quantitative treatment of control

coordination.

TOTAL : 45 PERIODS

TEXT BOOK:

1. Mohan Mathur, R., Rajiv. K. Varma, “Thyristor – Based Facts Controllers for

Electrical Transmission Systems”, IEEE press and John Wiley & Sons, Inc.

REFERENCES:

1.  A.T.John, “Flexible AC Transmission System”, Institution of Electrical and  Electronic Engineers

(IEEE), 1999.

2.  Narain G.Hingorani, Laszio. Gyugyl, “Understanding FACTS Concepts and      Technology of   Flexible AC Transmission System”, Standard Publishers, Delhi   2001.