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.
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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.
Expert articles on relay protection, cable and insulation testing, IEC 61850, and transformer diagnostics.
Sep 29, 2026
Transformer commissioning tests are a sequence, not a checklist: each step narrows what the next can prove, and the DC...
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Sep 22, 2026
A winding resistance test measures milliohms, and at that level the reading is decided by two corrections and one comparison,...
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Sep 20, 2026
A turns ratio test is only as good as the tap position it is compared against. The pattern of deviations...
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Sep 19, 2026
Three questions decide the machine, in the order a wrong answer hurts: the voltage the cable class needs, the capacitance...
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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