High Voltage,
Highest Standards
At STRI, our expert engineers push high-voltage equipment and systems to their limits every day. With decades of experience and a world-class laboratory, we ensure precise, reliable testing. Our state-of-the-art facility handles voltages up to and beyond 800 kV, both DC and AC.
Our services
At STRI, the highly skilled engineers and test specialists push high-voltage components and systems to their limits.
Testing Facilities
STRI’s large test hall can be divided into two test bays enabling different tests to take place simultaneously.
From Ludvika to the world – accredited testing of high voltage equipment
At STRI’s independent high-voltage laboratory in Ludvika, we test high voltage products for system voltages up to 800 kV – in line with the latest international standards.
We perform dielectric and type testing on key power system components, including:
- Cables and accessories
- Breakers
- HVDC valves
- Insulators and bushings
- Measuring transformers
Our unique facilities also enable advanced environmental and pollution tests. With SWEDAC accreditation and global affiliations, STRI delivers world-class testing with proven reliability.
