High Voltage Engineering Important Questions Pdf

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Today added electrical engineering 770 objective questions and answers in one pdf recently added signal and system 50 most important expected mcq with solution for vizag mt and bel pe exam 2017 analog,digital and power electronics basic level100 important mcq pdf for upcoming exam 2017 electrical machine 25 important mcq pdf for upcoming exam 2017 basic electrical iti/diploma based mostly. Title: High Voltage Engineering Question Author: www.delapac.com-2020-12-10T00:00:00+00:01 Subject: High Voltage Engineering Question Keywords: high, voltage. High Voltage Engineering - EE8701, EE6701. Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers. Download EE8701 High Voltage Engineering Lecture Notes, Books, Syllabus, Part-A 2 marks with answers and EE8701 High Voltage Engineering Important Part-B 13 & Part-C 15 marks Questions, PDF Book, Question Bank with answers Key.

Answer: Output voltage is greater than the input voltage or receiving end voltage is greater than the sending end voltage. What is meant by insulation voltage in cables? Answer: It is the property of a cable by virtue of it can withstand the applied voltage without rupturing it is known as insulation level of the cable.

Name of the Book: High Voltage Engineering

Universities: JNTU, JntuA, JntuK, JntuH, Andhra and other Universities

Name of the Publisher: JNTU

Book Format:PDF

Book Language: English

The book provides a clear, systematic and exhaustive exposition of various dimensions of

Electric stress estimation and control using various techniques.
Mechanism of breakdown of gases, liquids and solid insulating materials.
Application of insulating materials for different electrical equipment’s.
Generation of high a.c., d.c. and impulse voltages and currents for testing of electrical equipment’s.
Various techniques and circuits for measurements of high voltages.
Testing procedures for testing of insulators, cables, transformers, circuit breakers etc.
High voltage schering bridge and partial discharge measurement techniques for assessing life expectancy of equipment’s.
Insulation coordination and over voltage protection.
A few photo plates to give a physical feel of various equipment’s in a high voltage laboratory.
Large number of solved examples, practice problems and multiple choice questions.

ExampleDownload Book (Link-1)Download Book (Link-2)Check the above links for High Voltage Engineering textbook Free Download for EEE Students.



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Sample EE6701 High Voltage Engineering Important questions:

1. Write some applications of high voltage?

Cathode ray tubes, particle accelerators, Xerography, Electrostatic precipitators,
Nuclear Research

(ee6701 high voltage engineering important questions)

2. What are the causes of over voltages in a power system?

Lightning and Switching surges are the causes of overvoltages.

3. What are the theories associated with the formation of charges in clouds?

• Simpson’s theory
• Reynold’s and mason’s theory

4. What are the types of lightning strokes

• Direct stroke
• Indirect stroke

(ee6701 high voltage engineering important questions)

5. What are the sources of switching surges?

• De-energizing of the lines, cables and shunt capacitors
• Disconnection of unloaded transformers and reactors
• Opening and closing of the protective devices
• Arcing ground

6. What are the factors to be considered for switching over voltages in EHV and UHV system?

• Interruption of low inductive currents by high speed circuit breakers
• Ferro resonance condition
• Interruption of fault current when the fault is cleared

(ee6701 high voltage engineering important questions)

7. What are the methods to control overvoltage due to switching and power frequency?

• One or multi-step energization of lines by inserting resistors.
• Phase controlled closing of Circuit breakers with proper sensors.
• Drain the trapped charges before reclosing the lines
• Using shunt reactors
• By using lightning arrestors or surge arrestors.

8. Write the causes of power frequency overvoltages.

High Voltage Engineering Important Questions Pdf

• Sudden load rejection
• Disconnection of inductive and capacitive loads
• Ferranti effect
• Saturation in transformers
• Tap changing operation (ee6701 high voltage engineering important questions)

9. What are the various methods of protecting the power system from lightning?

High Voltage Engineering Important Questions Pdf Answer

• Using Ground wires
• Using ground rods
• Using counter poise wires
• Using protective devices like rod gap, expulsion and valve type surge arrestors.

10. What are the uses of ground wires?

It is used for direct stroke protection of lines for voltages of 110 kv and above and from attenuation of travelling waves in the line.

High Voltage Engineering

(ee6701 high voltage engineering important questions)

High Voltage Engineering Important Questions Pdf Format

Subject NameHigh Voltage Engineering
Subject CodeEE6701

High Voltage Engineering Important Questions Pdf Answers

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