JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Overview

Uncompensated line – types of compensation – Passive shunt and series and dynamic shunt compensation – examples. Characteristic time periods – passive shunt compensation – static compensations - series capacitor compensation – compensation using synchronous condensers – examples

UNIT - III: REACTIVE POWER COORDINATION

Objective – Mathematical modeling – Operation planning – transmission benefits – Basic concepts of quality of power supply – disturbances- steady –state variations – effects of under voltages – frequency –Harmonics, radio frequency and electromagnetic interferences

UNIT - IV: DISTRIBUTION SIDE REACTIVE POWER MANAGEMENT

Load patterns, basic methods load shaping, power tariffs- KVAR based tariffs penalties for voltage flickers and Harmonic voltage levels System losses, loss reduction methods, economics planning, capacitor placement, retrofitting of capacitor banks

UNIT - V: USER SIDE REACTIVE POWER MANAGEMENT

KVAR requirements for domestic appliances – Purpose of using capacitors – selection of capacitors – deciding factors – types of available capacitor, characteristics and Limitations Reactive power management in electric traction systems and arc furnaces: Typical layout of traction systems – reactive power control requirements – distribution transformers- Electric arc furnaces – basic operations- furnaces transformer –filter requirements – remedial measures –power factor of an arc furnace

R19 M. TECH. EPE/EPS

TEXT BOOKS:

• 1. Reactive power control in Electric power systems by T.J.E.Miller, John Wiley and sons, 1982.
• 2. Reactive power Management by D.M.Tagare, Tata McGraw Hill, 2004.

REFERENCES:

• 1. Wolfgang Hofmann, Jurgen Schlabbach, Wolfgang Just “Reactive Power Compensation: A Practical Guide, April, 2012, Wiley publication. R19 M. TECH. EPE/EPS M. TECH. I Year I Sem. (EPE/EPS)