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Medium / High Voltage Testing

Testing, Inspection and Certification for Power Transmission & Distribution Equipment

DEKRA’s medium/high voltage testing specialists help equipment manufacturers, power grid operators, energy utility companies and large-scale energy users to guarantee the reliability and safety of their power transmission and distribution networks.

About Medium/High Voltage Testing

DEKRA’s medium/high voltage testing specialists help customers evaluate the safety and reliability of all components across their power transmission and distribution networks and to ensure the safety and compliance.
DEKRA helps manufacturers of power grids and systems to verify that their products have been thoroughly tested according to national and international standards safety regulations. In addition to providing comprehensive assessments to ensure full compliance with national requirements in different countries worldwide, DEKRA also provides the necessary testing reports and certification services for our customers’ products.
At DEKRA, we work to provide safety throughout the entire power value chain, from where power is generated and transmitted to the final distribution and user. Our experts carry out many different tests throughout our global network of laboratories. Those tests include:
  • Short circuit tests
  • Making and breaking tests
  • Short-time and peak withstand tests
  • Synthetic tests on high-voltage circuit breakers
  • Power arc tests
  • Dielectric tests
    • Lightning-impulse
    • Switching-impulse
    • Power frequency voltage tests
    • Heat cycle ageing tests
    • RIV and Corona tests
    • Partial discharge measurements
  • Determination of sound level of any equipment
  • Temperature-rise tests
  • Mechanical tests, pollution and aging tests
Our experts are available to test near customers’ premises, either in one of our DEKRA laboratories worldwide, in a customers’ own laboratory under DEKRA supervision or in one of our associated third-party laboratories under DEKRA supervision.

High voltage laboratory

DEKRA is an approved third party inspection and testing company by power grid operators and utility companies in a large number of countries in Europe, Middle East, Asia and South America. VEIKI-VNL joined the DEKRA family in 2017 and complements DEKRA’s capabilities with a broad range of in-house testing services, e.g. short circuit testing (including short-circuit testing liaison [STL] membership), high voltage testing and temperature rise testing as well as aging tests. VEIKI-VNL supplies its services to reputable national and international transmission and distribution (T&D) equipment manufacturers as well as energy utility companies in over 40 countries on all continents.
Selected recognitions
  • ISO 17065
  • ISO 17025
  • ISO 17020
  • National Certification Body (NCB) within the IECEE CB scheme and operator of CB
  • Notified Body (NB) for various European Directives
  • Short-circuit Testing Liaison (STL) member
  • Certification Body and Testing Laboratory approved by a wide range of government authorities, end users and consultants in Europe, the Middle East and Asia
Get in contact
Why DEKRA?
Expert knowledge of standards

Our experts have profound knowledge of standards, supported by their active participation in consortia and standardization groups.

Flexible testing routes

We offer very flexible testing routes: in our DEKRA labs in Dubai, Hungary, Asia, or the Netherlands. Or in your own laboratory or third-party lab under supervision.

Widely recognized certificates

Our test certificates and test reports are widely recognized and accepted by grid operators, utility companies, end users, governments, and more around the world.