Current Impulse Generator

The HVEX Current Impulse Generator is the advanced solution for performing impulse dielectric tests on high and medium voltage equipment, ensuring accurate assessment of electrical integrity against lightning discharges and switching surges. Designed to meet international standard requirements,it allows for the controlled generation of high current peaks and residual voltages with extreme precision. Technical Operating Range: • Adjustable impulse current: 1 kA to 350 kA. • Residual voltage: from 0.5 kV to 250 kV. • Waveforms: impulse front from 1 µs to 10 µs, tail from 4 µs to 700 µs. • Square waveforms: simulation of line discharges, arresters, and surge protective devices (SPDs). This flexibility makes the equipment ideal for test laboratories, electrical equipment manufacturers, power utilities, and high voltage research centers. Typical Applications: • Testing of arresters. • Spark gap testing. • Simulation of direct and indirect lightning discharges. • Tests on transformers, cables, insulators, and substation equipment. • Standard tests for homologation and certification of electrical products. Standards Met: • IEC 60060 – High-voltage test techniques • IEC 60099-4 – Metal-oxide surge arresters for AC systems • IEC 62305-1 – Protection against lightning (protection of structures and equipment) • IEC 61643-11 – Surge protective devices for low-voltage systems • NBR 6939 – Impulse current tests for surge arresters Technical Advantages: • High accuracy and repeatability in impulse tests • Precise control of waveform, current, and residual voltage • User-friendly operating software with an interface for data logging and analysis • Modularity that allows for customization for different industrial and laboratory applications • Full compliance with international and national standards