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IEC TS 62578:2015

Power electronics systems and equipment - Operation conditions and characteristics of active infeed converter (AIC) applications including design recommendations for their emission values below 150 kHz

Edition date: 2015-04-15
In Force
Available languages: English, French
Summary: IEC TS 62578:2015 describes the operation conditions and typical characteristics of active infeed converters (AIC) of all technologies and topologies which can be connected between the electrical power supply network (lines) a.c. side and a constant current or voltage type d.c. side and which can convert electrical power (active and reactive) in both directions (generative or regenerative). The following is excluded from the scope:
- Requirements for the design, development or further functionality of active infeed applications.
- Probability of interactions or influences of the AIC with other equipment caused by parasitic elements in an installation or caused by poor electronic design as well as their mitigations.
- "Overhead line" power supply networks because of lack of information (measurements) of their three phase impedances. This edition includes the following significant technical changes with respect to the previous edition:
a) IEC TS 62578, in its revised version includes observed values out of practical applications for emission values below 150 kHz.
b) Therefore the document has been extended compared to the first edition, several detailed analysis results are given in the extended Annexes.
c) Design recommendations have been derived from the international working group by an assessment of the power supply impedances between 2 kHz and 9 kHz, a comprehensive analysis of the withstand capability of power capacitors against harmonic currents injected by AIC, immunity tests of equipment and considerations about shifted resonances in the power supply network with increased population of undamped filter capacitors.

L'IEC TS 62578:2015 décrit les conditions de fonctionnement et les caractéristiques typiques des convertisseurs à alimentation active (AIC), quelles que soient leurs technologies et topologies, qui peuvent être connectés entre le réseau (les phases) d'alimentation électrique côté alternatif et un type de courant ou de tension constant(e) côté continu, et qui peuvent convertir la puissance électrique (active et réactive) dans les deux directions (génératrice ou régénératrice). Les aspects suivants sont exclus du domaine d'application:
- Les exigences de conception, de développement ou autres fonctionnalités des applications à alimentation active.
- La probabilité d'interactions ou d'influences de l'AIC avec d'autres équipements générées par des éléments parasites dans une installation ou par une conception électronique peu avancée, ainsi que leurs limitations.
- Les réseaux d'alimentation par "ligne aérienne", en raison du manque d'informations (mesures) relatives à leurs impédances triphasées. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) L'IEC TS 62578, dans sa version révisée, inclut les valeurs observées hors des applications pratiques pour les valeurs d'émission inférieures à 150 kHz.
b) Par conséquent, le document a été développé comparé à la première édition, plusieurs résultats d'analyse détaillée étant donnés dans les Annexes étendues.
c) Les recommandations de conception ont été établies par le groupe de travail international suite à une évaluation des impédances d'alimentation comprises entre 2 kHz et 9 kHz, à une analyse approfondie de la capacité de tenue des condensateurs de puissance par rapport aux courants harmoniques injectés par l'AIC, à des essais d'immunité de l'équipement et à des considérations relatives aux résonances décalées dans le réseau d'alimentation avec l'augmentation de la population des condensateurs de filtrage sans amortissement.
ICS: 29.200-Rectifiers. Convertors. Stabilized power supply
CTN: TC 22 - 1293

Standards Cancellations

Anula a IEC TS 62578:2009

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