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UL Standards Update

2016 EES Conference

Scott Jezwinski

UL LLC

July 13, 2016

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of UL LLC or as otherwise provided in writing. UL and the UL logo are trademarks of UL LLC.

Inverters

Energy Storage

Cybersecurity

2

Agenda

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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

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UL1741SA for Grid Support Utility

Interactive Inverters

5

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

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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

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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

7

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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

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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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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

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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

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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

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

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What is UL CAP?

14

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THANK YOU.