HIGH VOLTAGE TECHNOLOGY

According to IEC standard, the typical voltage range for high voltage systems is

• 100 - 1000 V

• 1 - 10000 V

• 10 - 100000 V

• above 100000 V

What is the primary purpose of a high voltage transformer?

• Increase the current

• Decrease the current

• Step up or step down the voltage

• Convert AC to DC

What is the typical frequency range for high voltage systems according to IEC standard?

• 50 - 60 Hz

• 100 - 1000 Hz

• 1 - 10 kHz

• Above 100 kHz

What is a potential transformer primarily used for in high voltage systems?

• For power distribution

• For measuring high voltages

• For switching operations

In high voltage engineering, what is the significance of the breakdown voltage?

• Voltage at which the insulation material fails and conducts electricity

• Voltage required to operate the equipment

• Nominal voltage rating of the equipment

• maximum allowable voltage for safety

What is the function of a lightning arrester in high voltage systems?

• Regulate voltage

• Protect against lightning strikes

• Control current flow

• Convert AC to DC

What safety equipment is essential when working with high voltage systems?

• Insulated gloves

• Hard hat

• Safety glasses

• All of the above

Which of the following devices is commonly used to protect high voltage circuits from lightning strikes?

• Circuit breaker

• • Transformer

• Lightning arrester

• Fuse

Why is it important to use insulated gloves when working with high voltage systems?

• To keep hands warm

• To improve grip

• To protect against electric shock

• To prevent static electricity

What is the significance of the frequency range in high voltage systems?

• It determines the color of the wires

• It affects the efficiency of power transmission

• It determines the size of the transformers

• It affects the speed of electrons