The Truth About LED Street Lights скачать в хорошем качестве

The Truth About LED Street Lights

Why are cities replacing those cozy orange street lights with cold, white LEDs? Are LED streetlights actually better—or just cheaper? In this video, we break down the history, technology, pros and cons of LED street lights—and explain why some people love them and others hate them. Subscribe👉🏽 https://www.youtube.com/julianhawkins... SOURCES & REFERENCES Lighting History & Background U.S. DOE Solid-State Lighting Program: https://www.energy.gov/eere/ssl/solid... IEEE Spectrum – The History of Street Lighting LED Technology, Optics & Performance DOE Gateway Demonstration Reports: https://www.energy.gov/eere/ssl/gatew... IESNA Lighting Distribution Types & Full Cutoff Classifications Manufacturer sources: • Cree Lighting – https://www.creelighting.com • GE Current – https://www.gecurrent.com • Signify (Philips) – https://www.signify.com Color Temperature & Health Concerns AMA Report on LED Street Lighting (2016): https://www.ama-assn.org/system/files... Lighting Research Center – https://www.lrc.rpi.edu Smart Infrastructure City of San Diego Smart Streetlight Program Silver Spring Networks / Itron Smart City Solutions – https://www.itron.com Cost & Energy Savings DOE MSSLC Reports (archived): http://msslc.lightingfacts.com City of Madison LED Conversion: https://www.cityofmadison.com/traffic... River Falls LED Upgrade: https://www.rfcity.org/742/LED-Street... Wisconsin vs Illinois Rollout Janesville Street Lighting Info: https://www.janesvillewi.gov/departme... Peoria LED Upgrade Project: https://www.peoriagov.org/376/2020-LE... Elgin LED Conversion: https://www.cityofelgin.org/2402/LED-... Ameren Illinois LED Rollout: https://muddyrivernews.com/commmuniti... 00:00 - Intro 01:15 - A Brief History of Street Lighting 03:00 - Enter: LEDs 04:26 - How LEDs Work 06:00 - Color Temperature & CRI 08:10 - Optics & Distribution 10:16 - Smart Infrastructure 11:51 - Cost vs Payback 13:30 - The Backlash 15:22 - Why Is Illinois So Far Behind? 16:54 - Conclusion 17:59 - Bloopers