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MicroGrid Platform SmartGrid Benefits October 11, 2012 CABA Forum Derek Cowburn , Founder

MicroGrid Platform SmartGrid Benefits October 11, 2012 CABA Forum Derek Cowburn , Founder dcowburn@lumencache.com 317-222-1314. 15 min. Summary.

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MicroGrid Platform SmartGrid Benefits October 11, 2012 CABA Forum Derek Cowburn , Founder

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  1. MicroGrid Platform SmartGrid Benefits October 11, 2012 CABA Forum Derek Cowburn, Founder dcowburn@lumencache.com 317-222-1314 15 min (C) 2012 Lumen Cache Inc.

  2. Summary LEDs have changed the power requirements for residential and commercial lighting.  Lighting has now joined the other native DC electronic devices and some motorized devices are changing to DC to maximize efficiency.  With all these devices using DC internally, it seems logical to distribute DC power in a controlled microgrid then only use AC to satisfy the long distance and high current required to reach the microgrid from the Utility.  Local DC storage (batteries) do not require further conversion and SmartGrid demand control over the utility consumption does not need to affect the occupants thanks to the battery buffer.  Finally, renewable sources can directly charge the battery storage and send any excess to the utility.  Hear how new microgrid platforms will change the infrastructure wiring of buildings and bring benefits to system owners, designers, and utilities. (C) 2012 Lumen Cache Inc.

  3. Changing Power Requirements • LEDs have changed the power requirements for residential and commercial lighting • 65W Incandescent light output is achieved in only 11-9W • 2 years from now will be only 3W (C) 2012 Lumen Cache Inc.

  4. DC vs AC • LEDs are a DC Electronics Device – not a raw power consumer. • Incandescent lights benefited from dimmers (longer life, less energy consumed) but AC LED drivers are damaged by AC dimming (wave chopping). Incompatibilities between driver circuits and dimmers cause flickering, dimming problems, and shorten the life of the driver (not the LED chips which are protected from the AC via the driver) • Brushless DC motors are highly efficient but need DC power to the motor driver. • Electronics Devices require DC as their input. All those transformers and switching power supplies generally produce 12V DC that the internal power supplies condition further into the power the circuits require. (C) 2012 Lumen Cache Inc.

  5. Devices requiring AC vs. DC BEST AC POWERED • Vacuum Cleaners • Electric Heaters • Electric Ovens/Stoves • Electric Furnace • Air Conditioning* • Refrigerator/Freezer* • Water Heaters** * Can be DC/Other ** Can be solar BEST DC POWERED • Lights • Phones • Intercoms • TVs • Audio Systems • Computers • Printer/Fax • Modem/Router/LAN • Motorized Shades • Automation Controls • Cameras/Security (C) 2012 Lumen Cache Inc.

  6. (C) 2012 Lumen Cache Inc.

  7. Present LED Technology • Great color LEDs • AC Drivers built into lights (C) 2012 Lumen Cache Inc.

  8. Present LED Technology (C) 2012 Lumen Cache Inc.

  9. Why run AC locally? Why are we still running high power AC throughout buildings to low power (mostly data) devices that use a tiny fraction of the power they used to? (C) 2012 Lumen Cache Inc.

  10. Create DC MicroGrids • The distributed MicroGrid allows high power AC to be sent from Utility to local MicroGrids where power & data can be distributed to the field devices. • Variations in these devices can be addressed by making the distribution highly modular (per device) and help keep costs down. • An ideal distribution medium is Cat5 wire, capable of multiple and simultaneous power options and also data. (C) 2012 Lumen Cache Inc.

  11. Create DC MicroGrids:Energy Storage • The native DC MicroGrid can support energy storage in several forms ranging from simple batteries to other efficient buffering storage. • Having local storage maintains delivery of the lighting or device power during utility outages. (C) 2012 Lumen Cache Inc.

  12. System Overvieww/Renewable& AC Sources Optional Solar Panels Lights Lights Inexpensive Low-Voltage, low-copper wire including Cat5/Cat6 Power & Data Table Lamps Utility Power Electronics Control/Power Distribution Module TVs Charge Controller Battery Storage (C) 2012 Lumen Cache Inc.

  13. MicroGrids:Power & Data • Data such as occupancy becomes very accurate because every fixture or switch location can contain low cost sensors. • Shed unneeded loads or conversely improve safety and convenience by having lighting increase when an area becomes occupied. • Data does not need to be Ethernet speeds. Just like the grid Is distributed, so can information derived from the raw sensor arrays in each MicroGrid. • Information is rolled up and can be shared with the Utility because it obfuscates the detail within the building, yet still exposes valuable information needed by the utility grid. (C) 2012 Lumen Cache Inc.

  14. Oh Behave… • Simple automation rules can be applied to change the behavior of the system given various stimulus. • The Utility can request a more aggressive energy saving behavior from the MicroGrid or can simply shed load by turning off the supply to the MicroGrid. This does not affect the occupants thanks to the battery storage. • Off-grid systems can treat their battery storage as the Utility and change behaviors based on available capacity and expected renewable supply. (C) 2012 Lumen Cache Inc.

  15. LumenCache Installation Savings (C) 2012 Lumen Cache Inc.

  16. Open Platform • LumenCache is designed as a Highly Modular MicroGrid Platform. • Production partners can create LumenCachecompatibile devices. • SmartPucks allow data integration over a standard protocol. • Brain-Level communications protocols are published and extensible sections of the protocol allow proprietary communications if desired. (C) 2012 Lumen Cache Inc.

  17. Legacy • Simple switch and dimming control.  Just like plain-old AC systems but with benefits above. • Keypad/Touchpads. • Dimming capable. • Flexible fixture grouping and switch pairing. • Easy Automation Upgrade by adding Brain Modules. (C) 2012 Lumen Cache Inc.

  18. Highly intelligent, learning control and dimming system.  Many sensor options.Adds automated/controlled dimming per fixture.  Perfect dimming using both PWM and current modulation. • Unlimited fixture pairing, individual fixture dimming, occupancy/light harvesting, 3rd party interfaces,... • Temperature and performance monitoring of LED fixtures using SIBs. • Smart SIB compatible.  Color Temperature adjustment SIBs, RGB SIBs, Sensor SIBs,... • Automatic demand management and battery charge monitoring. • Supports Legacy keypads and driver cubes in addition to EPOCH Smart Cubes. Epoch (C) 2012 Lumen Cache Inc.

  19. Retrofit product. • Works over existing power wires. Requires disconnection from AC breakers. • Enables LumenCache in existing homes without the need for re-wiring. Ascend (C) 2012 Lumen Cache Inc.

  20. MicroGrid Platform SmartGrid Benefits October 11, 2012 CABA Forum Derek Cowburn, Founder dcowburn@lumencache.com 317-222-1314 15 min (C) 2012 Lumen Cache Inc.

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