Advantages of - Objectives of - Types of
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Explain in detail various types of FACTS controllers. 2. State the advantages of FACTS based controllers. 3. What are the objectives of FACTS?
Distribution Systems
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Question : 1. Make a comparison between HVDC and HVAC transmission systems.
Terminal Equipments of a DC Transmission Line
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Draw the schematic layout of HVDC substation and explain. 2. Discuss the main components of HVDC system.
Principle - Advantages - Disadvantages - Types - Standard Rated Voltages
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. With a neat schematic, explain the principle of HVDC system operation. 2. What are the advantages and disadvantages of HVDC system? 3. Explain the different types of HVDC links in detail.
Necessity - Configuration - Advantages - Disadvantages or Problems involved - Environmental Considerations - Standard Rated Voltages
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Explain why EHV AC transmission is preferred? What are the problems involved in EHV AC transmission? 2. Draw and explain the configuration of EHV AC transmission system. 3. Explain the necessity of EHV AC transmission. 4. Explain the various environmental aspects for EHV AC transmission.
Distribution Systems
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Question : 1. Derive the expression for the most economical power factor.
Distribution Systems
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Let the inductive load operating at lagging p.f. cos phase advancers and taking a current of I1 from the supply. It is required to improve p.f. of this circuit.
Static Capacitors - Synchronous Condenser - Phase Advancers
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Question : 1. Explain the various power factor improvement devices.
Importance of
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Explain the concept of power factor improvement. 2. Comment of the imporance of power factor improvement.
Power Triangle - Disadvantages - Causes of Low Power Factor
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Define power factor. State the causes of low power factor.
Reactive Power Injection - Static VAR Generator - Rotating VAR Generator - Control by Tap Changing Transformer
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Question : 1. Discuss the methods of voltage control in transmission line.
Two Wire D.C. System - Two Wire D.C. System with Midpoint Earthed - Three Wire D.C. System - Three Phase Three Wire A.C. System - Three Phase Four Wire A.C. System
Subject and UNIT: Transmission and Distribution: Unit V: (a) Distribution Systems
Questions : 1. Compare the various underground a.c. and d.c. systems based on the volume of copper required. State the assumptions used. 2. Assuming delta connected three phase three wire system and underground transmission, prove that the amount of copper required is 1.5/cos2ϕ times the copper required by two wire d.c. system.