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TEST LABS

Repetitive Impulse Generator

HVEX offers the Portable Repetitive Impulse Generator, an essential element for dielectric evaluation of electrical equipment. As the only national manufacturer, we customize solutions following rigorous standards. With HVEX LIAS for remote control and automated security, we ensure reliable performance and safety. Keywords: Impulse generator, impulse current, lightning discharges, switching surges, lightning arrester, spark gap, protection against atmospheric discharge, impulse test. Standards: IEC 60076-11, NBR 5356-1, IEC 60060-1, IEC 60060-2, IEEE Std C57.12.01.

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Technical Information

Front resistor

300 Ω with taps at 30 Ω and every 45 Ω

Tail resistor

10, 50, 70, 115, 500, 300, 400, 500, and 600 Ω

Voltage class of the High Voltage Source

70 kV in HV and 220 V in LV

Divider voltage

100 kV in HV and 40 V in LV

Voltage class of the diode

100 kV (DC)

Confidential Evaluation of Electrical Equipment

HVEX Portable Impulse Generator is an essential element for evaluating the withstandability of electrical equipment to dielectric stresses caused by atmospheric and switching voltage surges in the electrical system. As the only national manufacturer, our generators are designed according to the needs of each customer, complying with IEC 60060, NBR 61083, NBR 6939, NBR 5356, and NBR 5440 standards. They can be applied to transformers, isolators, cables, circuit breakers, capacitors, lightning arresters, SPDs, surge protectors, among others.

Benefits and Usability

Customized Test Modules
Includes variable source, elevator, rectifier diode, automatic grounding system, and more.
Automated Security
Remote functions, audible alarms, protection relays, and automatic grounding ensure operator safety.
Waveform Adjustment
Resistor for waveform adjustment (front and tail) and resistive divider for voltage measurement.
Custom Grounding Design
Adapted according to the customer's installation.

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Enjoy the benefits of LIAS

Data storage
With the solutions, it is possible to have a database and all the records of tests performed for later queries.
Complete analysis
Automatically analyzes front times, half-wave, maximum value, oscillation coefficient, residual voltage, and maximum current.
Automatic reports
Through HVEX LIAS, it is also possible to automatically generate custom technical reports in .pdf and .doc formats.
Specialized support
Have unlimited access to national software support, in addition to constant platform updates.