High Voltage Laboratory

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High Voltage Laboratory

• Department of Electrical Engineering,
• Indian Institute of Technology,Kharagpur.

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• One of the Oldest laboratories of Electrical
  Engineering Department, IIT Kharagpur
• Maximum rating is 600 kV
• Major Activities
• Research Development
• Consultancy
• Classes for Undergraduates and
  Postgraduates

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Equipments In the Laboratory
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• Transformer Oil Test Kit 60 kV
• High Voltage AC Test Source
• 10 kVA , 0.2 / 200 kV , 50/0.05 A, 50 Hz
• Impulse Voltage Generator
• 600 kV , 18 kJ

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• Impulse Current Generator
• 15 kA , 5 kJ
• Partial Discharge Measurement
• Capacitance and Tan Delta Measurement
• Up to 12 kV level

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• Rectangular Current Pulse Generator
• 120 A , 15 ms ,4.5 kJ
• High voltage DC source
• 10 kV , 0.3 A
• Sphere Gap 50 cm diameter
• Point, Plane, Sphere Electrodes 200 kV

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• Distribution Transformers
• 25 kVA, 11 kV/400 V, 50 Hz
• 100 kVA, 11 kV/433 V, 50 Hz
• Pressure and temperature Measurement
• Three Phase Variac
• 415/0-470 V, 200 A, 50 Hz

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• Single Phase Variac
• 240/0-270 V, 28 A, 50 Hz
• Measuring Equipments
• Oscilloscopes 25 GS/s, 150 MHz
• 1 GS/s, 500 MHz
• 1 GS/s, 100 MHz
• Current Probes 2000 A(peak), 400 volts
• Electrometer 2 V - 200 V, 20 pA 20 mA, 2 k?
  200 G?,
• 20 nCoulomb 20
  µCoulomb

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Various Activities of the Laboratory
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Impulse Tests on Transformers
Impulse Voltage Generator 600 kV , 18 kJ
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Corona discharges and breakdownObservations
High Voltage AC Test Source 10 kVA , 0.2 / 200
kV , 50/0.05 A, 50 Hz

• Sphere Sphere
• Point Plane
• Plane Plane
• Point Point

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Partial Discharge Measurements of Transformer
windings and Cables

• Amount of Partial Discharge
• Source of Partial Discharge

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Condition Monitoring Of Transformers

• HVAC testing up to 50 kV,
• 100 mA AC
• Acoustic based Partial
• Discharge measurement up to
• 50 kV

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Capacitance Measurement of Cables
Capacitance and Tan delta measurement set up
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Compaction of Nanomaterials using Rectangular
Pulse Generator( 120 Amps, 15 msec, 4.5 kJ)
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Design of Super Conducting Cables (CIC Type)

• Sponsored RD project by Institute of Plasma
• Research (IPR), Gujarat under National
  Fusion
• Program (NFP)
• To be used for Fusion Grade Magnets

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Electroporation of microbial cells
Electrostatic separation of carbon from fly ash

• 10 kV HVDC source for separation
• Collects carbon from fly ash

• 10 kV , 0.2 amp Impulse voltage Generator
• Sterilization of food and water by killing
  bacteria cell membrane

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• Transformer oil Testing
• Finding out breakdown strength of oil
• Insulation testing and finding surface
• resistance of various insulators
• Sources calibration and testing for other
• departments
• Doctoral work in the area of electrical field
• computations employing Charge Simulation
• Method