HIGHVOLT is a globally recognized leader in high-voltage testing and measurement technology. Specializing in solutions for testing power transformers, cables, switchgears, and other critical components in the power industry, HIGHVOLT provides advanced systems that ensure the safety, reliability, and efficiency of electrical infrastructure. The portfolio includes test systems for AC and DC high voltage, impulse voltage, and current testing both for factory acceptance and on-site testing.
High Voltage Test Systems
Transformer test system for on-site testing of wind turbine and other distribution transformers up to 8 MVA
The WV 18-18/1.4 is a portable three-phase test source for induced voltage testing and partial discharge measuring of distribution transformers. The combination with a partial discharge measuring system allows a wide range of on-site diagnostics at the test object.
AC test system with variable frequency for testing array cables
Withstand voltage tests on inter arary cables of offshore wind farms can be performed using the AC test system with variable frequency (WRV T) once laid on-site. The test system operates in a frequency range from 10 Hz to 300 Hz and complies with the requirements according to IEC 63026. An individual test system is designed for tests of up to 80 kV and 37 A, which facilitates testing of high-voltage cables that can be several kilometers in length.
AC test system with variable frequency
Withstand voltage tests on AC and DC XLPE cables can be performed using the AC test system with variable frequency (WRV T) in the factory or once laid on-site. The test system operates in a frequency range from 10 Hz to 300 Hz and complies with the requirements according to IEC 60840 and IEC 62067. A single system is designed for tests of up to 260 kV and 112 A, which facilitates testing of high-voltage cables that can be several kilometers in length. Several test systems can be conveniently connected in series and/or parallel when higher test voltages required and testing cables of up to 100 kilometers in length.
AC test systems with variable frequency
AC test systems with variable frequency (WRV M) are used for withstand voltage testing on transformers after they are installed on-site and for purposes of diagnostics in asset management. The test system operates in a frequency range from
40 Hz to 200 Hz and complies with the requirements according to IEC 60076-3. The test object is connected to the test system using a flexible high-voltage connection. The high-voltage reactor features a modular design. Several reactors can be connected in series or parallel to achieve higher test voltages or power.
Modular DC test system
The modular DC test system (GPM) can be used in factory testing and is also available for on-site testing with container and trailer solutions to assure a short assembly and disassembly. An in the DC module integrated voltage divider enables the space saving design and due to the modular design the test system is extendable to higher voltages later on.
Impulse Voltage and Current
AC, DC and impulse voltage test system
The modular design of this high voltage module test set (WGSBS) allows it to be used to test up to 100 kV AC voltage, up to 135 kV DC voltage, and up to 135 kV impulse charging voltage.
It is therefore an ideal test system to use when training students in college programs and for applications in research and development.
This modular test system is available in a variety of configurations and can be easily expanded at a later date up to von 200 kV AC and 350 kV DC.
High Current Test
High Current Test System
High current test systems are used to test the thermal stability of equipment such as cables. The test system induces a current in the test object causing it to heat up. Therefore, the test object is designed as a shorted circuit. The high current test system measures the temperature of the test object at various points, in addition to the current. As a special feature, the temperature that the test object should reach can be specified and the amount of the current can be automatically calculated by the HIGHVOLT test system.