R23
EEE · 4-1
✓ VERIFIED VS. PUBLISHED SYLLABUS 2026-07-12
Electrical Distribution System
JNTUK R23 · EEE · semester 4-1 · syllabus
This JNTUK R23 professional elective is listed for Electrical and Electronics Engineering (EEE). It is listed in semester 4-1. It carries 3 credits. The published coverage runs across 5 units, from Unit I through Unit V.
Verified vs. published syllabus
Checked 12 Jul 2026
SOURCE DOCKET
Published evidence
✓ Verified
Checked 12 Jul 2026
Record 5 published units
Verification scope The course structure, credits, and unit-wise syllabus are sourced directly from JNTUK's official R23 EEE course structure and syllabus.
5 units, from Unit I to Unit V. Tick off units as you cover them — your progress stays on this device.
Unit-wise syllabus
0 / 5 COVERED
UNIT 01 — Unit I
General Concepts Introduction to distribution systems - Distribution system losses – Coincidence factor – Contribution factor – loss factor – Relationship between the load factor and loss factor – Numerical Problems – Load modeling and characteristics – Classification and characteristics of loads (Residential - Commercial - Agricultural and Industrial).
UNIT 02 — Unit II
Substations Selection for location of substations - Rating of distribution substation – Service area with ‘n’ primary feeders – Benefits and methods of optimal location of substations. Distribution Feeders Design Considerations of distribution feeders: Radial and loop types of primary feeders – Voltage levels – Feeder loading – Basic design practice of the secondary distribution system.
UNIT 03 — Unit III
System Analysis Voltage drop and power loss calculations: Derivation for voltage drop and power loss in lines – Uniformly distributed loads and non-uniformly distributed loads – Three phase balanced primary lines and Non three phase balanced primary lines.
UNIT 04 — Unit IV
Protection Objectives of distribution system protection –Time current characteristics – Protective devices: Principle of operation of fuses – Circuit reclosures – Line sectionaliser and circuit breakers - Earth leakage circuit breakers – Protection schemes of parallel & Ring-main feeders. Coordination of protective devices General coordination procedure –Various types of co-ordinated operation of protective devices - Residual Current Circuit Breaker.
UNIT 05 — Unit V
Compensation for Power Factor Improvement Capacitive compensation for power factor control – Different types of power capacitors – shunt and series capacitors – Effect of shunt capacitors (Fixed and switched) – Power factor correction – Capacitor allocation – Economic justification – Procedure to determine the best capacitor location. Voltage Control Equipment for voltage control – Effect of series capacitors – Effect of AVB/AVR – Line drop compensation.