JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisites

Power System Analysis, Power System Protection

Course Objectives:

• To understand the Performance of Transformers and Synchronous Machines
• To select the Transmission Lines, UG Cables, String Insulators, CTs and PTs.
• To analyze the characteristics of OC, UV/OV, negative sequence relays.

Course Outcomes

Upon the completion of the lab, the student will be able to

• Test and evaluate the performance of Power Transformers and Synchronous Machines.
• Test and evaluate the performance of Transmission lines, UG Cables, Insulators and other Auxiliary Power Systems Equipment
• Test, Evaluate/Choose the various types of Relays (Electromagnetic, Static and Microprocessor based relays)
• 1. Determination of Equivalent circuit of a 3-Winding Transformer.
• 2. Determination of Sequence Impedances of a Cylindrical Rotor Synchronous Machine.
• 3. Fault Analysis:
• i. Single Line to Ground fault (L-G).
• ii. Line to Line fault (L-L).
• iii. Double Line to Ground fault (L-L-G).
• iv. Triple Line to Ground fault (L-L-L-G).
• 4. Determination of Sub-transient reactance’s of a Salient Pole Synchronous Machine.
• 5. Determination of Sequence Impedances of Three Phase Transformer
• 6. Characteristics of Over Current Relays
• i. IDMT Electromagnetic Relay (7051 A).
• ii. Microprocessor based Relay (7051 B)
• 7. Characteristics of Percentage biased Differential Relay.
• i. Electromagnetic Relay (7054 A).
• ii. Static Relay (7054 B).
• 8. Characteristics of Over Voltage Relay. I. Electromagnetic Relay (7053 A). II. Microprocessor based Relay (7053 B).
• 9. Characteristics of Under Voltage (UV) and Negative sequence Relays
• i. Uv Electromagnetic Relay (7052 A).
• ii. Uv Microprocessor Based Relay (7052 B).
• iii. Static Negative Sequence Relay (7055 B).
• 10. Performance and Testing of Generator Protection System.
• 11. Performance and Testing of Transformer Protection System.
• 12. Performance and Testing of Feeder Protection System.
• 13. Performance and Testing of Transmission Line Model.
• 14. Differential protection on Single Phase Transformer.

Note

From the above list minimum 10 experiments are to be conducted