IEC 62751-2:2014/AMD1:2019
Amendment 1 - Power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems - Part 2: Modular multilevel converters
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About This Item
IEC 62751-2:2014/AMD1:2019 is a focused amendment to the parent document IEC 62751-2:2014, addressing power losses in voltage sourced converter (VSC) valves for high-voltage direct current (HVDC) systems, with specific attention to modular multilevel converters. It is relevant when engineering teams, test laboratories, and procurement groups need a reliable technical reference for documented evaluation, design review, or conformity assessment of converter valve performance. Used alongside the base document, IEC 62751-2:2014/AMD1:2019 helps support consistent technical interpretation during compliance workflows.
IEC 62751-2:2014/AMD1:2019 standard overview
This amendment modifies the technical framework for assessing power losses in modular multilevel converter VSC valves used in HVDC applications. It is generally used as a supporting compliance reference rather than a standalone specification, and it should be read together with the parent publication. For organizations involved in technical review, laboratory evaluation, or engineering documentation, IEC 62751-2:2014/AMD1:2019 can help align measurement expectations, validation discussions, and documentation practices around converter valve loss assessment.
Applications of IEC 62751-2:2014/AMD1:2019
IEC 62751-2:2014/AMD1:2019 is most relevant in HVDC projects that use modular multilevel converter technology, especially where valve loss characterization influences design selection, efficiency studies, or acceptance testing. It may also be used by manufacturers preparing technical files, by laboratories supporting verification activities, and by buyers comparing engineering specifications during procurement review. In practice, it fits workflows involving technical validation, product evaluation, and operational consistency across converter system development and compliance preparation.
Why IEC 62751-2:2014/AMD1:2019 matters
Using IEC 62751-2:2014/AMD1:2019 helps reduce ambiguity in how power losses are addressed for modular multilevel VSC valves, which is important for safety, performance assessment, and risk management in HVDC installations. It supports more consistent testing workflows, clearer engineering validation, and better alignment between suppliers and project stakeholders. For compliance teams, the amendment can also improve conformity assessment preparation by linking the updated technical requirements to the parent document and helping maintain controlled, documented evaluation processes.
- Amendment linked to IEC 62751-2:2014 for modular multilevel converter valve loss assessment
- Relevant to HVDC converter engineering, testing workflows, and performance evaluation
- Useful for procurement checks, technical documentation, and compliance preparation
- Supports consistent interpretation during verification activities and conformity assessment
- Publication Date: 2019-08-23
- Standard Status: Amendment
- Publisher: IEC
- Edition: 1
- New Version Available: IEC 62751-2:2014 (2023-08-28)
- This Version: IEC 62751-2:2014 (2019-08-23)
- Previous Version: IEC 62751-2:2014 (2014-08-27)
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