This lab system consists of advanced equipment like impulse generator of 150 KV – 5 stages, HV Transformer, HVDC rectifier, capacitor divider, resistance divider, solid insulation tester up to 30 KV, liquid tester up to 100KV, high voltage tesla coil, spark gap, rod gap, sphere gap, insulation testing unit and oil testing unit…etc.
The lab enables students to apply many traditional laboratory experiments and activities in field of high voltage such as:
Generation and Measurement of AC Volts
- Capacitive Divider
- Sphere gaps and standard tables
- Chubb and Forescue method
Generation and Measurement of DC Volts
- Rectifier Load characteristics
- Ripple Factor Measurement
Generation and Measurement of DC Volts II
- Greinacher Voltage Doubler Circuit
- Polarity effect and Insulating screens
Generation of Impulse
- Lightning impulse voltage
- Single stage impulse voltage circuits
- Measuring peak value with sphere gaps
- Break down probability
Measurement of Impulse
- Multiplex circuit after Marx
- Impulse voltage divider
- Impulse voltage-time curves
Power Frequency and Impulse Voltage Tests on Power Transformer
- Specifications for high voltage tests
- Insulation coordination
- Insulating oil break down test
- Alternating voltage transformer test v.) Lightning impulse voltage transformer test
Experiment on Insulating Liquids.
- DC Conductivity
- Tan delta and Capacitance
Experiment on Solid and Insulating Liquids
- Fibre- Bridge Breakdown Insulating Oil
- Breakdown Strength of Hard Board Plate
Experiment on Partial Discharge and Corona
- Partial Discharges at Needle Electrode in air
- Measurement in Corona cage
Experiment on PD and Gliding Discharges
- PD Measurement in High Voltage Insulation
- Measurement of Onset Voltages of Gliding Discharge
Break down of Gases
- Townsend mechanism
- Streamer mechanism
- Insulating gases
