scalable smart grid- edge controller
TRANSCRIPT
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Scalable Smart Grid-Edge Controller
Ryan D. MayIntwine Connect, LLC
August 29, 2019
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Funding Support
The work described in this presentation was partially supported by:
• California Energy Commission EPIC 14-079
• Department of Energy SHINES project, lead by EPRI
2Intwine Connect, LLC.
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Goal of the System• Provide Value to the Customer
• Integrate into Intwine’s “Triple-Play Service” (Cellular ISP, Voice, IoTmonitoring)
• Reduce customer’s energy bill:• Peak demand reduction• Time-shifting of energy consumption (if time-of-use prices)
• Facilitate integration of DER• Solar integration (with net metering or feed-in tariffs)• Battery Energy Storage (to increase amount of load shaping)
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Goal of the System• Provide Value to the Utility/Aggregator
• Increase hosting capacity of Solar• Prevent reverse flow of power during peak-solar• Flatten the load-curve to reduce ramping requirements in evening
• Single aggregation point to reduce complexity for managing DER• Enable power import/export constraints• Demand Response platform
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System Architecture
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Demonstration Site 1
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Demonstration Site 1
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Field Test Results
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Field Test Results (cont.)
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Demonstration Site 2
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OSI PI Server
ModBus
ModBusIP
BACnetIP
HTTPS
System Controller
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Neighborhood Coordination• Not every building is equivalent• Resources can be ‘shared’
• Further improves PV hosting capacity
• Enables decentralized “campus” level optimization
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HEM HEM HEM
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Next Steps• Challenges:
• Diversity of loads/equipment• Diversity of customer behavior
• Looking for partners for 100 home/building pilot• Starting projects with universities to explore campus-level approach
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Intwine Connected Gateway• Linux based system• Processor: Sitara ARM, 800MHz• Memory: 512MB RAM, 4GB flash, MicroSD card slot• Radios: WiFi b/g/n, ZigBee HA1.2, Bluetooth (4.2 and 2.0), LTE Cellular• Physical: Ethernet (10/100/1000), USB• Expansion Module: RS485, RS232, XBee, 2nd Ethernet, etc• Open-Sourced operating system and application layer
• Rugged industrial version also available• Certified for use in US, Canada & Mexico on all major cellular carriers• CatM1/NBIoT certification pending!
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