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# IEC 60633 REDLINE

## High-voltage direct current (HVDC) transmission – Vocabulary

active, Most Current
 Organization: IEC Publication Date: 1 April 2019 Status: active Page Count: 122 ICS Code (Rectifiers. Converters. Stabilized power supply): 29.200
##### scope:

This document defines terms for high-voltage direct current (HVDC) power transmission systems and for HVDC substations using electronic power converters for the conversion from AC to DC or vice versa.

This document is applicable to HVDC substations with line commutated converters, most commonly based on three-phase bridge (double way) connections (see Figure 2) in which unidirectional electronic valves, for example semiconductor valves, are used. For the thyristor valves, only the most important definitions are included in this document. A more comprehensive list of HVDC valve terminology is given in IEC 60700-2.

### Document History

IEC 60633 REDLINE
April 1, 2019
High-voltage direct current (HVDC) transmission – Vocabulary
This document defines terms for high-voltage direct current (HVDC) power transmission systems and for HVDC substations using electronic power converters for the conversion from AC to DC or vice...