Transcript High Voltage Laboratory - Electrical Engineering

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
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Maximum rating is 600 kV
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Major Activities
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Research & Development
Consultancy
Classes for Undergraduates and
Postgraduates
Department of Electrical Engineering
IIT Kharagpur
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Equipments In the Laboratory
Department of Electrical Engineering
IIT Kharagpur
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Transformer Oil Test Kit
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High Voltage AC Test Source
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60 kV
10 kVA , 0.2 / 200 kV , 50/0.05 A, 50 Hz
Impulse Voltage Generator
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600 kV , 18 kJ
Department of Electrical Engineering
IIT Kharagpur
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Impulse Current Generator
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15 kA , 5 kJ
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Partial Discharge Measurement
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Capacitance and Tan Delta Measurement
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Up to 12 kV level
Department of Electrical Engineering
IIT Kharagpur
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Rectangular Current Pulse Generator
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120 A , 15 ms ,4.5 kJ
High voltage DC source
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10 kV , 0.3 A
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Sphere Gap
50 cm diameter
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Point, Plane, Sphere Electrodes
Department of Electrical Engineering
IIT Kharagpur
200 kV
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Distribution Transformers
25 kVA, 11 kV/400 V, 50 Hz
 100 kVA, 11 kV/433 V, 50 Hz
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Pressure and temperature Measurement
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Three Phase Variac
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415/0-470 V, 200 A, 50 Hz
Department of Electrical Engineering
IIT Kharagpur
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Single Phase Variac
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240/0-270 V, 28 A, 50 Hz
Measuring Equipments
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Oscilloscopes : 25 GS/s, 150 MHz
1 GS/s, 500 MHz
1 GS/s, 100 MHz
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Current Probes : 2000 A(peak), 400 volts
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Electrometer : 2 V - 200 V, 20 pA – 20 mA, 2 kΩ – 200 GΩ,
20 nCoulomb – 20 μCoulomb
Department of Electrical Engineering
IIT Kharagpur
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Various Activities of the Laboratory
Department of Electrical Engineering
IIT Kharagpur
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Impulse Tests on Transformers
Impulse Voltage Generator
600 kV , 18 kJ
Department of Electrical Engineering
IIT Kharagpur
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Corona discharges and breakdown
Observations
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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Department of Electrical Engineering
IIT Kharagpur
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Partial Discharge Measurements of
Transformer windings and Cables
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Amount of Partial Discharge
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Source of Partial Discharge
Department of Electrical Engineering
IIT Kharagpur
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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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IIT Kharagpur
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Capacitance Measurement of Cables
Capacitance and Tan delta measurement set up
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IIT Kharagpur
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Compaction of Nanomaterials using
Rectangular Pulse Generator
( 120 Amps, 15 msec, 4.5 kJ)
Current Pulse at 122 A level
Department of Electrical Engineering
IIT Kharagpur
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Design of Super Conducting Cables
(CIC Type)
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Sponsored R&D project by Institute of Plasma
Research (IPR), Gujarat under National Fusion
Program (NFP)
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To be used for Fusion Grade Magnets
Department of Electrical Engineering
IIT Kharagpur
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Electrostatic separation of carbon from
fly ash
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10 kV HVDC source for separation
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Collects carbon from fly ash
Electroporation of microbial cells
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10 kV , 0.2 amp Impulse voltage Generator
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Sterilization of food and water by killing bacteria cell
membrane
Department of Electrical Engineering
IIT Kharagpur
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 Transformer
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oil Testing
Finding out breakdown strength of oil
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Insulation testing and finding surface
resistance of various insulators
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Sources calibration and testing for other
departments
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Doctoral work in the area of electrical field
computations employing Charge Simulation
Method
Department of Electrical Engineering
IIT Kharagpur
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