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UL Standards Update
2016 EES Conference
Scott Jezwinski
UL LLC
July 13, 2016
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Inverters
Energy Storage
Cybersecurity
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Agenda
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Inverter Standards for Power Conversion
and Grid Interconnection
USA
• UL1741 (includes Supplement SA for advanced inverters)
• UL62109
- UL62109-1 General (published)
- UL62109-2 Inverter specific (in process)
• IEEE 1547 and IEEE 1547.1
Canada
• CSA C22.2 No. 107.1 (present)
• CSA 62109 (future)
- Allows for use of IEEE 1547 and 1547.1
3
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of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC. 4
UL1741SA Consensus Process
Standards
Development
Organization
Standards
Technical
Panel
26 Producers
5 Users
7 Government
7 AHJ
13 Supply chain
19 General
4 Testing & Stds
Proposal
•Anyone
•UL CSDS system
Preliminary
Review
•STP
•Standard Subscribers
Submitter’s Review of Comments
•Considers comments
•May revise proposal
Ballot
•STP votes
•Standard subscribers review
•Public review
Comment Resolution
•STP resolves all comments
Re-ballot
•Changes to proposal based on comments
•STP confirms or changes vote
Adoption or Failure
•Consensus needed to adopt
•Proposal fails if consensus is not achieved
We are here
Ballot closed on 6/16/2016 – adoption approved…but 200+ comments
need to be resolved & recirculated…expect publication in late
August/early September
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
UL1741SA for Grid Support Utility
Interactive Inverters
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Mandatory
• Anti-Islanding
• L/HVRT
• L/HFRT
• Must Trip Test
• Normal Ramp Rate
• Soft-Start Ramp Rate
• Fixed Power Factor
• Volt/Var Mode
Other / Optional
• Communications
Interface
• Data Model
• Monitor Alarms
• Monitor DER Status
and Output
• Frequency Watt
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Inverters
Energy Storage
Cybersecurity
6
Agenda
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Energy Storage Standards
UL Safety Standards:
• UL 9540, Energy Storage Systems and Equipment (ANSI in progress)
• ANSI UL 1973, Batteries for Use in Light Electric Rail (LER) and Stationary Applications
• UL 1974, Evaluation Of Batteries For Repurposing (under development)
• ANSI UL 1741, Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources
IEC TC 120 Standards (under development):
• IEC 62933-1 (terminology) Electrical Energy Storage (EES) systems - Part 1: Terminology
• IEC 62933-2-1 (performance) Electrical Energy Storage (EES) systems - Part 2-1: Unit parameters and testing methods - General specification
• IEC 62933-3-1 (planning and installation) Electrical Energy Storage (EES) systems - Part 3-1: Planning and installation- General specification
• IEC 62933-4-1 (environment) Electrical Energy Storage (EES) systems - Part 4-1: Guidance on environmental issues - General specification
• IEC 62933-5-1 (safety) Electrical Energy Storage (EES) systems - Part 5-1: Safety considerations - General specification
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of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
UL 9540 - Scope
8
Safety of energy storage systems:
• Includes energy storage systems that are:
• Standalone to provide energy for local loads
• For use in utility-interactive applications in compliance with UL1741, IEEE 1547 and IEEE 1547.1 or
• Other applications intended to provide grid support functionality,
• Able to perform multiple operational modes
• May include balance of plant and other ancillary equipment of the system
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Overview of UL 9540 Requirements
Types of Energy Storage Systems
Electrochemical
• UL 1973
Chemical
• CSA FC1, NFPA 2, UL 2200, etc.
Mechanical (fly wheel, CAES systems - under
development) • ASME B & PV Code, ASME B31 piping codes • UL 9540 moving parts tests Thermal (Thermal heat system – under development)
• ASME B & PV Code, ASME B31 piping codes
9
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of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
UL 9540 - Overview
10
ES system technology tests
Electric tests • Normal operations • Dielectric voltage withstand • Grounding and bonding • Insulation resistance
Mechanical tests • Over speed test • Faulted securement test
• Broken part
Fluid containment tests • Leakage • Strength
Environmental tests
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
Inverters
Energy Storage
Cybersecurity
11
Agenda
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
UL 2900
12
Vulnerabilities and
Exploits
Software
Weaknesses
Security
Controls
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of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
UL 2900 Standards
13
UL 2900-1 Software
Cybersecurity
General Product Requirements Industry Product Requirements
UL 2900-2-1 Healthcare Systems
UL 2900-2-2 Industrial Control
Systems
UL 2900-2-X TBD
UL 2900-3-1 General Process
Requirements
General Process Requirements
UL 2900-3-2 SDLC
Copyright © 2016 UL LLC. All rights reserved. No portion of this material may be reprinted in any form without the written permission
of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.
What is UL CAP?
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