VA-TEK builds high-voltage test sets, IEC 61850-ready relay protection test systems and transformer diagnostic instruments for utilities, cable contractors, service companies and testing laboratories. From substation commissioning to transformer condition assessment — we deliver the accuracy, reliability, and support your critical assets demand.
Specialized testing and monitoring solutions engineered for power industry professionals.
IEC 61850-ready relay test sets for commissioning, maintenance, and troubleshooting of protection systems in digital and conventional substations. 3-phase and 6-phase models available.
View Relay Testers →Very low frequency AC hipot test sets from 30 kV to 90 kV peak for after-laying, acceptance and maintenance testing of shielded power cables, generator stators and motor windings. The TD models add tan-delta diagnostics.
View VLF Test Sets →Portable and laboratory-grade current transformer and potential transformer testing equipment for ratio, polarity, excitation, and burden measurement. Complete CT/PT analysis in a single test set.
View CT/PT Testers →Find authorized distributors and service centers in 40+ countries worldwide. Local support, local language.
Access datasheets, user manuals, software updates, and calibration certificates for all VA-TEK products.
Watch product demos, application tutorials, and technical webinars on our YouTube channel.
From substation commissioning to transformer lifecycle management, our solutions cover the full spectrum of electrical testing needs.
Complete testing solutions for new substation deployment and retrofit projects.
From factory testing to online monitoring — manage transformer health across its entire service life.
Relay testing, cable hipot and insulation testing for solar farms, wind plants, and BESS facilities.
Predictive maintenance testing for motors, switchgear, and cables in manufacturing environments.
Portable, rugged instruments for on-site commissioning and troubleshooting crews.
Training-grade test equipment and didactic systems for technical universities.
Case studies coming soon. Explore our product range to see how VA-TEK supports power professionals worldwide.
Expert articles on relay protection, cable and insulation testing, IEC 61850, and transformer diagnostics.
Sep 15, 2026
A cable that passed in the factory has been pulled, bent and jointed since. The cable after-laying test is the...
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Sep 14, 2026
Why DC proof testing was abandoned on extruded cable, how the VLF test voltage is derived from U0, what the...
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Sep 11, 2026
Differential protection on transformers, generators, busbars and lines needs six synchronized current channels. This article sets out where six-phase relay...
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Sep 11, 2026
Differential protection is proven by injecting the currents the CTs deliver for through-load, through-fault and internal-fault cases, with every test...
Read ArticleQuality Management Systems
European Conformity
Measuring Relays & Protection Equipment
Oil-Filled Equipment Gas Analysis
Restriction of Hazardous Substances
Chemical Safety Compliance
Every VA-TEK product ships with a traceable calibration certificate from our ISO 9001 certified laboratory.
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