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IEC 61800-4 Document Information:
Title
Adjustable Speed Electrical Power Drive Systems - Part 4: General Requirements - Rating Specifications for a.c. Power Drive Systems above 1 000 V a.c. and not Exceeding 35 kV
Entrainements Electriques De Puissance A Vitesse Variable - Partie 4: Exigences Generales - Specifications De Dimensionnement Pour Systemes D´Entrainements De Puissance En Courant Alternatif De Tension Superieure A 1 000 V Alternatif Et Ne Depassant Pas 35 kV
International Electrotechnical Commission
Publication Date:
Sep 1, 2002
Scope:
This part of IEC 61800 applies to adjustable speed a.c. drive systems that include power conversion, control equipment and a motor. Excluded are traction for railway applications and electrical vehicle drives.
It applies to power drive systems (see figure 1) with converter voltages (line-to-line voltage), between 1 kV a.c. and 35 kV a.c., input side 50 Hz or 60 Hz, and load side frequencies up to 600 Hz. Requirements for voltages above 15 kV are not included and are defined by agreement between the manufacturer and the system supplier.
For power drive systems, with voltages above 1 kV, using a step-down input transformer and/or a step-up output transformer in connection with a low voltage converter (below 1 000 V), IEC 61800-2 applies.
EMC aspects are covered in IEC 61800-3.
Specific safety requirements for drive systems with voltage above 1 kV will be covered in IEC 61800-5.
This standard gives the characteristics of the converters, their topologies and their relationship with the complete a.c. drive system. It also states their performance requirements with respect to ratings, normal operating conditions, overload conditions, surge withstand capabilities, stability, protection, a.c. line earthing, topologies and testing. Furthermore, it deals with application guidelines, such as control strategies, torsion analysis, recommendations for earthing and drive system component integration.
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