Impulse generators are designed to locate faults in power cable by the high voltage impulse method, in which a high-voltage impulse is transmitted down the cable to cause the fault to arc. The arcing fault is then pinpointed using an appropriate impulse detector. Megger impulse generators may also be used to perform voltage versus time acceptance tests, or to burn faults that fail to break down under impulse to reduce their resistance. Megger offers three models to meet your application: Heavy-Duty Model — This powerful unit, designed for van or substation use, offers the highest impulse rating in the industry. It delivers up to 5400 Joules at 30 kV (12 µF). A 24 µF option is available which delivers up to 10,800 Joules at 30 kv.