Combination wave and surge impulse tester EMC Partner AG
IEC61000-4-5/ANSI C62.41/ITU

The most frequent cause of damage in industrial electronic systems is overvoltages, caused either by switching actions in the equipment itself or by atmospheric discharges such as lightning. Low transfer impedance characterizes a current impulse and high transfer impedance results in a voltage impulse. To simulate both conditions, a Combination Wave Generator (CWG) delivers a voltage impulse into an open circuit and a current impulse into a short circuit. This is also known as a “Hybrid” generator.
Power network transients can be modified by the cable properties so that in a well protected domestic or commercial environment, the impulse energy adopts an oscillatory form at 100kHz. This is the “Ringwave”.
Surge testing is performed on power or communication networks, which require Coupling and Decoupling Networks (CDNs) to superimpose the impulses and provide protection for auxiliary equipment.
EMC PARTNER manufacture a range of surge generators up to 100kA and 100kV.

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