sunspec alliance inverter modular communication...
TRANSCRIPT
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SunSpec Alliance Inverter Modular Communication
Open Public Webinar
April 19, 2016 1
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About the SunSpec Alliance
² A trade alliance of global competitors, collaborators & trading partners pursuing smart distributed energy market
² Producer of “de facto” open information standards for Distributed Energy § Provides bridge to industry adoption of
international standards such as IEC 61850 § Full testing and certification service for protocols
² Solar PV and storage market focus
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Antitrust and Intellectual Property – Policy SunSpec Meeting Reminder
This is a SunSpec Open Public Webinar and Not A Normal Workgroup Meeting ² SunSpec workgroup meetings are conducted in accordance with
the SunSpec Antitrust Policy and Intellectual Property Provisions defined in the SunSpec Member Agreement and/or the SunSpec Limited Participant Agreement.
² Each participating company in a workgroup must have executed either one or the other of these agreements and all participants must comply with the policy and provisions.
² Confidential or proprietary information should not be discussed in workgroup session. Please contact SunSpec management if you have any questions.
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Agenda and Speakers
² Inverter modular communication (MC) § Background § Problem statements
² Proposed solution - CTA 2045 communications module ² Discuss workgroup group startup mission/charter ² Recruit members and validate need ² Next Steps Speakers:
§ Tim Keating, SunSpec Alliance § Rolf Bienert, Technical Director, USNAP Alliance § Sebastian Hassell, Product Manager, Fronius
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Inverter Communications Challenges R (Topic*) Discussions Template
² Open, modular communications for inverters are key for advanced grid service adoption and DER market growth
² Next-generation interconnect rules for distributed generation including CA Rule 21 and others intend to include communication capability…
² But… communication technologies are diverse across market sectors and best choices are uncertain
² And… Inverters have decades-long service lives, and communication technologies are evolving much faster
² And… It is uncertain when network connectivity to residential and commercial systems will need to be deployed
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“Informa)on about energy will become almost as
important as energy itself”
DER - Where We’re Going
Unified Architecture
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Build On Open SunSpec Specifications
² Devices ² Hardware integration
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A Modular Approach t o Home Energy Management in t he “ I n t e rne t o f Th ings ”
USNAP & ANSI/CTA-2045
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Standards, we've got lots of them...
UNIVERSAL POWERLINE ASSOCIATION
...and in the Internet of Things, every one of them has Use Cases that they do better.
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Success fu l I ndus t ry Model
Universal Communications Module (UCM)
ANSI/CTA-‐2045
Modular Communica)on Interface (MCI)
Smart Grid Device (SGD)
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The Interface • ANSI/CTA-‐2045 iden)fies a Universal Communica)on Module (UCM) and a Smart Grid Device (SGD).
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Beyond the Theory...Who's Using Modular?
Proof that Modularity works... Thermostats
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Beyond the Theory...Who's Using CEA-2045?
Emerson White Rodgers □ Retrofit controller for □ Hot Water Heaters □ Thermostat
□ Siemens □ EV Home Charging Equipment
□ AO Smith □ Hot Water Heaters □ Working with e-‐Radio, won a CEA □ Innova)on Award in 2015
□ Intwine Connect Gateway More info on USNAP: h[p://www.usnap.org
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CSI4 Project CTA-‐2045 Design Approach
Field bus + WAN Gateway On
Modular Interface
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CSI4 Modular Communication (MC) Technical Approach
Grid Network
Comm Module
Inverter
SunSpec Protocol, CTA-‐2045 Form Factor
Any protocol, any physical media, provided by any
stakeholder
Standardized Port Interface
Standardized Tes)ng
Value Proposi>on: Mass produce common models, and these models can work in any communica)on system.
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CSI4 Making Integration Practical
NetworkProtocol Mapping Inverter
Protocol
Any Communica)on Network
(e.g. Wireless, PLC, Fiber)
Plug-‐In Interface to the Inverter
Value Proposi>on: Prac)cality. Communica)on system connect to any inverter brand using one modem design. A manageable and economical network to residen)al and commercial inverters can be built when needed.
Value Proposi>on: Flexibility. Any communica)on system can be used. Customers can independently monitor and manage their products. Aggregators and u)li)es can have access.
CSI4 Example Could be Any and All Inverter Brands
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IEEE 1815/ DNP3
System C
Communication Systems Demonstrated
IEEE 2030.5
OpenADR
System A
System B
Inverter Brand A
Inverter Brand B
Interoperability Different physical layers and protocols
Different inverters, with same modular comm interface
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DER Modular Communication Benefits
² Equipment manufacturers; i.g. inverters and communication modules: § Can capitalize on mass production driving down cost § Single interface for any platform (Cellular, ZigBee, Wi-Fi etc.) using SunSpec information models § Provides a certification platform for advanced grid feature control § Allows for end user/customer to customize communications platform, protocol, and security § Allows integration and interface with multiple demand response and home automation platforms
² Large integrators, small integrators and aggregators: § Allows a single standard or custom standard communications module for any inverter § Allows customized or standard backend platform development § Allows monitoring of inverter data, and control of advanced grid features § Simplified fleet management by the removal of tech obsolesce risk as technology changes
² Monitoring and aggregator companies: § Can customize modules to their services, and monitor/ control aggregated fleets § Can cater to the smaller installation companies by providing standard low-cost modules
² Finance and investment partners: § Allows lower cost integration of fleets of distributed resources increasing the value of the assets
² Utilities: § Customize modules to meet platform, protocol, and security demands; can provide grid support by
aggregating fleets of distributed resources. Can integrate into AMI networks.
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SunSpec CTA 2045 Inverter Modular Communication Workgroup
² Isolate compute platform evolution from power conversion platform
² Focus on inverter integration issues
² Looking for broad collaboration with industry partners
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SunSpec Workgroup Advice* Getting Started
² Understand your charter and how it fits into SunSpec effort
² Make sure you have support from the right SunSpec folks
² Make sure you have broad industry support if possible § Can be a challenge!
² Recognize that these efforts are often a marathon, not a sprint § Develop a reasonable rhythm * Andrew Miller – 1Energy, SunSpec Member Meeting, March 15, 2016
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Start-up Inverter MC Workgroup
² Hold informational meetings: today is first one! ² Weekly meetings, begin week of May 2; ² Day/time? ² Validate Inverter MC WG Effort is Needed
² Does Inverter industry need a modular, standard communication interface?
² Other options: USB3? Ethernet and gateway? ² If so what needs to change?
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Inverter MC Workgroup Next Steps…
² Strawman charter to be validated: § CTA 2045 is needed; Workgroup defines mechanical,
electrical and physical layer or layer 1 interface for inverters
² Recruit needed support in next weeks… ² Who do we need? Equipment Mfg’s., Integrators, Fleet
Operators, Utilities, Aggregators, Etc. ² Draft workgroup plan w/ critical mass and charter ² Validate: Go/no for continuation Inverter Modular
Communications Workgroup in 6 weeks ² What are we missing?
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Inverter MC Workgroup Next Steps…
² Discussion ² Support commitments? ² Questions? ² [email protected] ² [email protected] ² [email protected]
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Backup slides
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Some of the Questions and Issues
² Does Inverter industry need a modular, standard communication interface? ² e.g. Ethernet/RJ-45, Serial/RS-485/DB-9 ² Other options: USB3? Ethernet and gateway?
² CTA 2045 DC or AC? ² AC: requires AC power and large format ² DC: Power to plug; insufficient for cellar modem? need extension? ² Global issues among others, un-ordered
² External accessibility probably required(or plastic shielding) ² “No Link Layer Mode” for inverters ² Wireless antenna considerations ² 3rd Party installation considerations ² Weather proofing considerations ² Physical security ² Who will be key to get to join the effort?