PV Codes and Standards Development
BEW Engineering has nearly two decades of involvement with key standards development in IEEE, ASTM, UL, NEC, IEC and IEA. A member of IEEE Standards Coordinating Committee 21 (SCC21) since 1991, BEW staff were instrumental in the development of IEEE 929-2000 "Recommended Practice for Utility Interface of Photovoltaic (PV) Systems." As a concurrent member of the Underwriters Laboratories UL1741 Standards Technical Panel, BEW Engineering helped define UL1741 "Inverters, Converters and Controllers for Use in Independent Power Systems". BEW Engineering has continued its leadership role in SCC21 through being invited to participate as a member of the influential Writing Committee on the controversial IEEE 1547-2003 "Standard for Interconnecting Distributed Resources with Electric Power Systems," and acting as Vice-Chair of IEEE 1547.1-2005 "Standard for Conformance Tests Procedures for Equipment Interconnecting Distributed Resources with Electric Power Systems." We continue to be involved with the development of related IEEE interconnection standards.
On the international side, BEW Engineering acts as convener for the International Electrotechnical Commission (IEC) Technical Committee 82 (Photovoltaic Systems) Working Group 6 (Balance of System Components) including the oversight of the development of standards for PV inverters, charge controllers, and other BOS components.
Currently, we are leading the National and International Standards Coordination Panel for the Solar America Board of Codes and Standards (www.solarabcs.com)
Under contract to Sandia National Labs, BEW Engineering has developed an Inverter Performance Test Protocol (available at www.bewengineering.com/frm_file.htm). A subset of these tests is required by the California Energy Commission for attaining Eligible Equipment status.
Last updated: March 30, 2008
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