Surge voltage tester

Combination test devices for high-voltage testing with short pulses to detect weak points in the insulation of electrical windings.

Surge voltage tester

Combination test devices for high-voltage testing with short pulses to detect weak points in the insulation of electrical windings.

Surge voltage test

Surge voltage testing is carried out with extremely short high-voltage pulses and is ideal for detecting faults and weak points within windings. In contrast to high-voltage testing with DC or AC voltage, it enables the detection of winding faults, position faults or phase faults.

 

Benefits

Identification of latent inter-turn faults through the “runtime effect”Gentle testing due to minimal energy impactVery short test duration and therefore ideal for repeated testsHigh sensitivity due to short rise time (~100-200 ns)Can be automated for serial test procedures

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How is the surge voltage test carried out?

 

The surge voltage test is carried out using short high-voltage pulses that are applied to the winding of an electrical component. These pulses enable the detection of insulation faults between windings, layers or phases. The device analyzes the resulting voltage curves and detects deviations that may indicate defects.

 

Why is surge voltage testing important?

 

Regular surge voltage testing is essential to identify damage or material fatigue in windings at an early stage. It contributes to quality assurance and prevents unplanned failures of electrical machines. It also ensures that products comply with safety and standard requirements.

Significance for various industries.

 

Surge voltage testing is indispensable in many sectors, particularly in the electrical, automotive and mechanical engineering industries. By complying with test standards, potential failures can be reduced and the longevity of windings can be guaranteed.

This is how the surge voltage test is carried out

 

For the test, a high-voltage pulse sequence is applied to the winding of the component. A measuring device records the voltage response and compares it with a reference curve. Deviations indicate possible insulation faults or winding faults. The procedure is non-destructive and can be carried out repeatedly. Surge voltage testing is used in many areas: in development in the electrical and automotive industries, in quality assurance, in service and maintenance, in production monitoring, in research and laboratory environments

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