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HVDC

Semiconductor Device Standards also cover devices outside of those large series. Smaller IEC series and those from other standards developing organizations provide further information about other devices using semiconductors, such as HVDC systems, switchgear/controlgear, X-ray machines, fiber optics, and others.


IEC/TR 60919-1 Ed. 4.0 en:2020

Performance of high-voltage direct current (HVDC) systems with line-commutated converters - Part 1: Steady-state conditions

IEC TR 60919-1:2020 is available as IEC TR 60919-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
 
 IEC TR 60919-1:2020(E) provides general guidance on the steady-state performance requirements of high-voltage direct current (HVDC) systems. It concerns the steady-state performance of two-terminal HVDC systems utilizing 12-pulse converter units comprised of three-phase bridge (double-way) connections, but it does not cover multi­terminal HVDC transmission systems. Both terminals are assumed to use thyristor valves as the main semiconductor valves and to have power flow capability in both directions. Diode valves are not considered in this document. This edition includes the following significant technical changes with respect to the previous edition:
 - Figure 8 and Figure 20 have been updated, a new Figure 18 "LCC/VSC hybrid bipolar system" has been added;
 - the HVDC system control objectives have been supplemented;
 - additional explanations regarding the HVDC system control structure have been given;
 - a new subclause 13.6 on HVDC system protection has been added.


IEC/TR 62543 Ed. 1.1 en:2013

High voltage direct current HVDC power transmission using voltage sourced converters VSC

IEC/TR 62543:2011+A1:2013(E) gives general guidance on the subject of voltage-sourced converters used for transmission of power by high voltage direct current (HVDC). It describes converters that are not only voltage-sourced (containing a capacitive energy storage medium and where the polarity of d.c. voltage remains fixed) but also self-commutated, using semiconductor devices which can both be turned on and turned off by control action. The scope includes 2-level and 3-level converters with pulse-width modulation (PWM), along with multi-level converters, but excludes 2-level and 3-level converters operated without PWM, in square-wave output mode. HVDC power transmission using voltage sourced converters is known as "VSC transmission". The various types of circuit that can be used for VSC transmission are described in the report, along with their principal operational characteristics and typical applications. The overall aim is to provide a guide for purchasers to assist with the task of specifying a VSC transmission scheme. Line-commutated and current-sourced converters are specifically excluded from this report. This technical report cancels and replaces IEC/PAS 62543:2008 (Ed.1) which was published by IEC and CIGRÉ jointly, and combined with engineering experience. This consolidated version consists of the first edition (2011) and its amendment 1 (2013). Therefore, no need to order amendment in addition to this publication.


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