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Standard 1741, Edition 2

Standard for Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources

UL Bulletin
Standard 1741, Edition 2 Edition Date: June 08, 2011 $314.00-$391.00
Summary of Topics b1741_2_20110608_sum.html

Subject 1741

Bulletin Dated: June 8, 2011

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources:

1. The Roles and Responsibilities of a Standards Technical Panel

2. Discussion of International Harmonization (US adoption of IEC standards)

3. IEC 62109, Safety of Power Converters for Use in Photovoltaic Power Systems

4. Additional Rating For Input Source Circuit Overcurrent Protection

5. Revision to Update AC Module PV Connectors

6. Addition of a Reference to the Outline of Investigation for Batteries for Use in Light Electric Rail (LER) Applications and Stationary Applications, Subject 1973

7. Combiner Boxes

8. Non-Isolated EPS Interactive PV Inverters Rated Less Than 30 Kva

9. Ground Fault Detection Interruption Requirements

10. Ground Fault Protection Operation Impact on Product Grounding

11. AC Modules Updates

12. Micro-Inverters

13. Wiring Harnesses

14. Solar Gain

15. Grounding

16. Stand Alone Inverter Power Quality

17. Installation Instructions

18. Southern California Edison (SCE) Building-top PV Impact Studies

19. Update on Task Group to Review and Address UL 1741 Concerning Emission Limits and Permit Voltage Distortion

20. Smart Grid

21. New IEEE 1547 Documents

22. Input Source Backfeed

23. Short Circuit Withstand Rating

24. Discussion of New Power Conversion Equipment Normal and Abnormal Operation Conditions and their Impact on PV Modules

25. Touch Safe Utility Interactive Inverter Output Terminals

26. Additional Meeting Topic Regarding an Overview of Draft IEC Document 61000-3-15

27. Additional Meeting Topic Regarding a General Discussion of the Issues Related to Ground Fault Detection

28. Additional Meeting Topic Regarding the Status of the New Outline of Investigation for Photovoltaic (PV) DC Arc-Fault Circuit Protection, Subject 1699B

29. Additional Meeting Topic Regarding Guidelines for Ensuring a Safe Voltage and Current Potential After Shutdown

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