OVER VOLTAGES IN ELECTRICAL POWER SYSTEMS
👉Natural Causes of Over Voltages👉Lightning Voltage Surges
👉Wilson�s Theory of Charge Separation
👉Mechanism of Lightning Stroke
👉Over Voltages Due to Switching surges
👉Switching Surge Test Voltage Characteristics
👉Over voltage Protection
👉Surge Protection of Rotating Machine
👉System Faults and Other Abnormal Conditions
DIELECTRIC BREAKDOWN
👉Classical Gas Laws👉Corona Discharges
👉Ionization and Decay Processes
👉Townsend�s Criterion
👉Breakdown in Liquid Dielectrics
👉Breakdown in Solid Dielectrics
👉Electromechanical Breakdown
👉Thermal Breakdown
👉Breakdown in Composite Dielectrics
👉Electric Discharge in Vacuum
GENERATION OF HIGH VOLTAGES AND HIGH CURRENTS
👉Generation of High Voltages and High Currents👉Half Wave Rectifier Circuit - Generation of High Voltages and Currents
👉Electrostatic Generator
👉Generation of high A.C. voltages
👉Reactive Power Compensation
👉Impulse Voltages
👉Impulse voltage generator circuits
MEASUREMENT OF HIGH VOLTAGES AND HIGH CURRENTS
👉Uniform Field Spark Gaps - Measurement of High Voltage and Currents👉Rod Gaps - Measurement of High Voltage and Currents
👉 Electrostatic Voltmeter - Measurement of High Voltage and Currents
👉 Peak Voltmeters with Potential Dividers
👉 Impulse Voltage Measurements Using Voltage Dividers
👉 CRO Forimpulse Voltage and Current Measurement
👉 Resistance Potential Dividers - Digital Techniques in High Voltage Measurement
👉Capacitance Potential Dividers - Digital Techniques in High Voltage Measurement
👉 Klydonograph or Surge Recorder - Digital Techniques in High Voltage Measurement
HIGH VOLTAGE TESTING and INSULATION COORDINATION
👉High Voltage Testing of Electrical Power Apparatus👉Testing Of Overhead Line Insulators
👉Testing of Cables
👉Testing of Bushings
👉Testing of power capacitor
👉Testing of Power Transformers
👉Testing of Circuit Breakers
👉Testing Isolators
👉Surge Arresters
👉Insulation Coordination
