The Role of Smart Lighting in the Smart Grid

Transcription

1 The Role of Smart Lighting in the Smart Grid Stewart t Findlater VP, Engineering Discussing Today The smart grid needs a smart load Lighting in commercial buildings LEDs a flexible new light source New approaches to lighting systems SPGTC Presentation 2

2 Smart Grid SPGTC Presentation 3 Impacts of U. S. Building on Resources 40% primary energy use 72% electricity consumption* 39% of CO 2 emissions *US Dept of Energy, EIA 2008 Annual Energy Outlook SPGTC Presentation 4

3 Use of Electricity in Commercial Buildings 38% 13% 13% 12% 12% 5% 4% 2% 2% 1% Source: Energy Information Administration, Annual Energy Review, Table 8.9 (June 2008) SPGTC Presentation 5 Lighting and The Smart Grid The lighting system in a commercial building Accounts for more than 1/3 of all electricity usage Is the only major load that can be dynamically shifted Is one of the most costeffective, energy efficiency projects that can be done Can be accurately measured SPGTC Presentation 6

4 Lighting and the Smart Grid Achieving these benefits requires: an intelligent lighting system, and a better light source. SPGTC Presentation 7 Basic Benefits of LED Lights Approaching most efficient i light source Lower heat output Very long life (50,000 hrs) Environmentally rugged (no breakage, mercury) Improved light quality Start instantly, inherently dimmable in efficient ways SPGTC Presentation 8

5 LED introduction LEDs - the third significant lighting invention since fire Forbes Magazine At 130 lumens / watt, LEDs have now surpassed all other sources Commercial Interior Options for LEDs 2x2s & 2x4s Cree LR24, CR24 Maxlite MLFP2X235 Lunera 2200 Axis Lunera 5400 Albeo C-Series Linear LEDs Ledalite Jump Albeo Lightwild Lunera 6400 Richter 4 and 8 Architectural Lighting tracks, Philips Lightolier Philips Omega Beta MP- Monopoints ACDC USAI Do ownlights, an d task Alva Sconces USAI Task Zumtobel Slot Lucifer Wila Focal Point

6 LED Lighting Happening Faster Than You Think **Source: Philips Lighting PRIVATE AND CONFIDENTIAL 11 Types of Controls Wall switches and dimmers Timers & Lighting Control Panels Occupancy detection Daylighting systems Wall / scene control Addressable fixtures Advanced lighting systems Building Automation Systems Fixture scale Zone scale Building scale SPGTC Presentation 12

7 Conventional Controls Conventional Control Features 1 Electrical Panel 2 Fluorescent light fixture junction box occupancy sensor ballast photocell sensor 2 1 light switch Deployed as overlays to power Hard to scale Complex commissioning i i and Dimmable ballasts and challenging to use/update per-fixture addressability add costs Principally components with Varying degrees of BMS integration limited/zero extensibility SPGTC Presentation 13 For The Rest of Us: The Last Analog Dinosaur? When were these bulbs made? Are they on/off? Are ethey working? How much power are they using? What temperature are they? How much light are they emitting? What is their color temperature and color rendering? When are they going to fail? Where is the problem in this system? SPGTC Presentation 14

8 Re-Envisioning LED Lighting LEDs are digital LEDs need low voltage DC power Today, we run high voltage AC to LED drivers SPGTC Presentation 15 Centralized DC power, control, and network architecture Redwood Engines power and control lights with two-way communications to each fixture Replaces all AC wiring from panel with networking or low voltage cabling enabling faster, lower cost installs

9 Installation: Standard Lighting vs. Networked Lighting Driver Sensor High density sensor network Redwood Adaptors at each fixture detect light, occupancy, temperature and power levels

10 Building intelligence and lighting control platform Platform of HW, SW, Sensors, Light Adapters - 20mm x 1mm; Profiles fixture; Senses Networking, motion, task light, Apps, volumetric APIs light, room temp, LED temp, voltage/current; Auto-discovery Flexible, scalable, extensible The End. Thank you! 20