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EX-702 (B) RGPV B.Tech

HVDC & FACTS (HF)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

3 papers, latest Dec 2025

Free
See all 3 papers

Syllabus, notes and important questions for EX-702 (B)

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Fundamentals of FACTS and Reactive Power Control 6 topics
  • Reactive power control in electrical power transmission
  • Principles of conventional reactive power compensators
  • Introduction to FACTS
  • Power flow in AC parallel paths and meshed systems
  • Basic types and definitions of FACTS controllers
  • Brief description of FACTS controllers
Unit 1 notes
Unit 2 Static Shunt and Series Compensators 7 topics
  • Objectives of shunt compensation
  • Methods of controllable VAR generation
  • Static VAR compensators (SVC, STATCOM) and comparison
  • Objectives of series compensation
  • Thyristor switched series capacitors (TCSC)
  • Static series synchronous compensator (SSSC)
  • Power angle characteristics and basic operating control schemes
Unit 2 notes
Unit 3 Combined Compensators and Active Power Filtering 7 topics
  • Unified Power Flow Controller (UPFC) – introduction and operating principle
  • Independent real and reactive power flow control in UPFC
  • Control structure of UPFC
  • Interline Power Flow Controller (IPFC)
  • Introduction to active power filtering
  • Reactive power compensation using active power filters
  • Harmonic current compensation using active power filters
Unit 3 notes
Unit 4 HVDC Transmission Systems – Overview 5 topics
  • Introduction to HVDC transmission system
  • Comparison of AC and DC transmission
  • Applications of DC transmission
  • Types of DC links
  • Layout of HVDC transmission system
Unit 4 notes
Unit 5 HVDC Converters, Control and Multiterminal Systems 10 topics
  • HVDC converter station layout and equipment
  • Analysis of bridge converters with and without overlap
  • Inverter operation and equivalent circuit representations
  • Principles of HVDC system control
  • Desired features of control and converter control characteristics
  • Power reversal, ignition angle control, current and extinction angle control
  • Harmonics in HVDC, AC and DC filters
  • Introduction to multiterminal DC systems and applications
  • Comparison of series and parallel MTDC systems
  • Voltage Source Converter based HVDC systems
Unit 5 notes
Read the full syllabus

Exam insights

Counted from 3 past EX-702 (B) papers.

Marks asked per paper, by unit

  • Unit 1 Facts concepts 16 marks
  • Unit 2 Static shunt and series compensators 19 marks
  • Unit 3 Combined compensators 19 marks
  • Unit 4 HVDC transmission 26 marks
  • Unit 5 Control of HVDC system 33 marks

Average marks of the questions from each unit in one paper. You answer only some of them, so the total is more than the paper’s maximum.

Asked again and again

  1. What are FACTS controllers and explain/discuss the different types/categories with examples

    Asked 4 times: 2025, 2024, 2020

  2. Compare series and parallel MTDC systems in terms of operation, control and reliability.

    Asked 3 times: 2025, 2024, 2020

  3. Explain the flow of power in AC parallel paths and meshed systems.

    Asked 2 times: 2025

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