high voltage laboratory - department of electrical engineering · 4 department of electrical...
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High Voltage Laboratory
Department of Electrical Engineering, Indian Institute of Technology,
Kharagpur.
2 Department of Electrical Engineering
IIT Kharagpur
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
3 Department of Electrical Engineering
IIT Kharagpur
Equipments In the Laboratory
4 Department of Electrical Engineering
IIT Kharagpur
Transformer Oil Test Kit 60 kV
High Voltage AC Test Source
30 kVA , 0.4 / 300 kV , 50/0.05 A, 50 Hz
Impulse Voltage Generator
600 kV , 18 kJ
5 Department of Electrical Engineering
IIT Kharagpur
Impulse Current Generator
15 kA , 5 kJ
Partial Discharge Measurement
Capacitance and Tan Delta Measurement
Up to 12 kV level
6 Department of Electrical Engineering
IIT Kharagpur
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
7 Department of Electrical Engineering
IIT Kharagpur
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
8 Department of Electrical Engineering
IIT Kharagpur
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 kΩ – 200 GΩ, 20 nCoulomb – 20 μCoulomb
9 Department of Electrical Engineering
IIT Kharagpur
Various Activities of the Laboratory
10 Department of Electrical Engineering
IIT Kharagpur
Impulse Tests on Transformers
Impulse Voltage Generator 600 kV , 18 kJ
11 Department of Electrical Engineering
IIT Kharagpur
Corona discharges and breakdown Observations
Sphere – Sphere Point – Plane Plane – Plane Point – Point
High Voltage AC Test Source 30 kVA , 0.4 / 300 kV , 50 Hz
12 Department of Electrical Engineering
IIT Kharagpur
Partial Discharge Measurements of Transformer windings and Cables
Amount of Partial Discharge
Source of Partial Discharge
13 Department of Electrical Engineering
IIT Kharagpur
Condition Monitoring Of Transformers
HVAC testing up to 50 kV,
100 mA AC
Acoustic based Partial
Discharge measurement up to
50 kV
14 Department of Electrical Engineering
IIT Kharagpur
Capacitance Measurement of Cables
Capacitance and Tan delta measurement set up
15 Department of Electrical Engineering
IIT Kharagpur
Compaction of Nanomaterials using Rectangular Pulse Generator ( 120 Amps, 15 msec, 4.5 kJ)
Current Pulse at 122 A level
16 Department of Electrical Engineering
IIT Kharagpur
Design of Super Conducting Cables (CIC Type)
Sponsored R&D project by Institute of Plasma Research (IPR), Gujarat under National Fusion Program (NFP) To be used for Fusion Grade Magnets
17 Department of Electrical Engineering
IIT Kharagpur
Electroporation of microbial cells 10 kV , 0.2 amp Impulse voltage Generator
Sterilization of food and water by killing bacteria cell
membrane
Electrostatic separation of carbon from fly ash
10 kV HVDC source for separation
Collects carbon from fly ash
18 Department of Electrical Engineering
IIT Kharagpur
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