About Relay and High Voltage Lab

The high-voltage laboratory is equipped with advanced equipment that can be used to test materials and study various high-voltage phenomena. The relay and high voltage laboratory is one of the essential laboratories of the EEE department. The laboratory consists of two parts. First, relay-based experiments are beneficial for identifying and eliminating a large number of errors. The second part includes high-voltage equipment, which works entirely at a high voltage of approximately 140 kV.

Practicals/experiments carried out in Lab:

  1. . IDMT non-directional characteristics and calculation of error in operating time for Over – current Relay (Electro – mechanical type)
  2. Operating characteristics of Over – voltage & Under- voltage Relay (Electro – mechanical type).
  3. Operating characteristics of Microprocessor – based (numeric) Over / Under - voltage Relay.
  4. Operating Characteristics of Microprocessor Based (Numeric) Over –Current Relay.
  5. Motor protection scheme Studies.
  6. Spark over characteristics of air insulation subjected to High Voltage AC – with Spark over voltage corrected to STP.
  7. Spark over characteristics of air insulation subjected to High Voltage DC.
  8. Measurement of HVAC using Standard Spheres.
  9. Measurement of HVDC using Standard Spheres.
  10. Generation of standard lightning impulse voltage.
  11. Field mapping using Electrolytic tank for Capacitor Model.
  12. Breakdown strength of transformer oil using oil test kit.
  13. Generator Protection Scheme.
  14. Major Equipmentused in the lab

    • Motor protection experiment set up.
    • Electro mechanical under voltage relay.
    • Electromechanical over current relay.
    • Electro mechanical over voltage relay.
    • Generator protection
    • High voltage lab experiment set up.
    • Microprocessor based over/under voltage relay.

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