BS IEC 62548:2016 - Photovoltaic (PV) arrays. Design requirements

BS IEC 62548:2016

Photovoltaic (PV) arrays. Design requirements

Status : Current, Work in hand   Published : October 2016

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This International Standard sets out design requirements for photovoltaic (PV) arrays including DC array wiring, electrical protection devices, switching and earthing provisions. The scope includes all parts of the PV array up to but not including energy storage devices, power conversion equipment or loads. An exception is that provisions relating to power conversion equipment are covered only where DC safety issues are involved. The interconnection of small DC conditioning units intended for connection to PV modules are also included.

The object of this document is to address the design safety requirements arising from the particular characteristics of photovoltaic systems. Direct current systems, and PV arrays in particular, pose some hazards in addition to those derived from conventional AC power systems, including the ability to produce and sustain electrical arcs with currents that are not greater than normal operating currents.

In grid connected systems, the safety requirements of this document are however critically dependent on the inverters associated with PV arrays complying with the requirements of IEC 62109‑1 and IEC 62109‑2.

Installation requirements are also critically dependent on compliance with the IEC 60364 series (see Clause 4).

PV arrays of less than 100 W and less than 35 V DC open circuit voltage at STC are not covered by this document.

PV arrays in grid connected systems connected to medium or high voltage systems are not covered in this document. Variations and additional requirements for large-scale ground mounted PV power plants with restricted access to personnel will also be addressed in IEC TS 627381.

Additional requirements may be needed for more specialized installations, for example concentrating systems, tracking systems or building integrated PV.

The present international standard also includes extra protection requirements of PV arrays when they are directly connected with batteries at the DC level.




Standard NumberBS IEC 62548:2016
TitlePhotovoltaic (PV) arrays. Design requirements
StatusCurrent, Work in hand
Publication Date31 October 2016
Normative References(Required to achieve compliance to this standard)IEC 60947-1, IEC 60947-3, IEC 60228, IEC 60364-5-52, IEC 62109-2, EN 50539-11, IEC 61730-2, IEC 61730-1, IEC 62109-1:2010, IEC 60445:2010, IEC 62852, IEC 60364-4-41:2005, IEC 60364-4, IEC 62930, IEC 60898-2, IEC 61557-8, IEC 62446-1, IEC 60947, IEC 60364-6, IEC 62305-2, IEC 60364-5-54, IEC 60529, IEC 61215, IEC 60287, IEC 60269-6, IEC 60364-5, IEC 60947-2, IEC 60364-1, IEC 61643-22, IEC 62305-3, IEC 61643-21, IEC 61557-2
Informative References(Provided for Information)IEC 61008-1:2010, IEC 60050-442:1998, IEC 60050-195:1998, IEC 60904-3:2016, IEC 62305, IEC 60904-2:2015, IEC 62246-1:2015, UL 4703, EN 50618, IEC TS 62738, IEC 61643-322, IEC 61829, IEC 60050-826:2004, IEC 60050-151:2001, IEC 60364-5-53, IEC 60050-811:1991, IEC 60050-461:2008, IEC 60269-1, UL 1699B, IEC TS 61836:2007, IEC 630274, IEC 62305-4
ReplacesPD IEC/TS 62548:2013
International RelationshipsIEC 62548:2016
Draft Superseded By15/30314469 DC
DescriptorsLighting equipment, Electric generators, Health and safety requirements, Solar power, Photovoltaic cells, Installation, Energy transfer
ICS27.160
Title in FrenchGroupes photovoltaïques (PV). Exigences de conception
CommitteeGEL/82
ISBN978 0 580 88317 0
PublisherBSI
FormatA4
DeliveryYes
Pages72
File Size3.267 MB
Price£274.00


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