DIN EN IEC 62501 VDE 0553-501:2025-05

This document applies to self-commutated converter valves, for use in a three-phase bridge voltage sourced converter (VSC) for high voltage DC power transmission or as part of a back-to-back link. It is restricted to electrical type and production tests. The scope of this standard includes the electrical type and production tests of dynamic braking valves which may be used in some HVDC schemes for DC overvoltage limitation. This standard can be used as a guide for testing of high-voltage VSC valves used in energy storage systems (ESS). The tests specified in this standard are based on air insulated valves. For other types of valves, the test requirements and acceptance criteria should be agreed between the purchaser and the supplier.