Testing and Installation of Electrical Equipments and — Winter 2018

Draw and explain waveform for the following conditions: (I) outage and Surge (II) Harmonic and Voltage Sag.

Explain the seven principles of safety management in electrical plants.

Explain the procedure and significance of temperature rise test with necessary figure and its co-relation with rated normal current.

Describe the second characteristic numeral in the standard designation of cooling system.

What is the IEEE recommended practice for Monitoring Electric Power Quality?

Explain the work and Procedures of Hot –line Maintenance.

Describe oscillographic tests on electrical equipment. Give example of a typical test record.

State the causes of disturbances in power quality and list the power quality improvement facilities for each variable of electrical power supply?

State various types of enclosures used for rotating electrical machines.

What is drying-out of an electric rotating machine? Why and when is it necessary?

Give summary of auxiliary systems in substations and state their functions.

State the conditions for which HVDC Links are preferred?

Explain the procedure of design of transmission towers and structures.

Illustrate the schematic of bipolar 2-terminal HVDC link and define functioning of all parts of it.

Explain the main functions of SCADA.

Explain the principle of fiber -optic data transmission.

What is the meaning of compensation of reactive power? Why is it necessary?