Impulse voltage generators and impulse current generators are both used in highvoltage testing,but they serve different purposes:

　　1.Impulse Voltage Generator:

　　Function:Generates high voltage impulses for testing insulation and surge protection devices.

　　Operation:Produces high voltage pulses with fast rise times to simulate lightning strikes or other highvoltage transients.

　　Applications:Used in testing insulation of electrical equipment,surge arresters,cables,and other highvoltage devices.

　　2.Impulse Current Generator:

　　Function:Generates high current impulses for testing the response of electrical equipment to shortcircuit conditions.

　　Operation:Produces high current pulses with fast rise times to simulate shortcircuit faults.

　　Applications:Used in testing circuit breakers,protective relays,transformers,and other devices to ensure they can withstand shortcircuit currents.

　　In summary,impulse voltage generators are used to test insulation and surge protection devices against highvoltage transients,while impulse current generators are used to test the response of electrical equipment to shortcircuit conditions.