The National Electrical Manufacturers Association (NEMA) has published LL 9-2009 Dimming of T8 Fluorescent Lighting Systems. This new standard is the first coordinated guidance from industry on the dimming of T8 fluorescent lighting systems; LL 9 covers ranges between 100% and approximately 35% output (60mA lamp current). The publication was a result of discussions between numerous manufacturers and end-users as well as years of data gathering, testing, and analysis.
Delta Controls Unveils DHMI-7E Touch Screen Interface
The DHMI is a 7-inch diagonal, high resolution, wide-screen format, color LCD used for interfacing with the Delta Controls building Automation System. The Delta DHMI uses BACnet over Ethernet to communicate with controllers on a local area network. User created graphics allow the DHMI to be completely customized for a given application.
U.S. Department of Energy Issues New Lamp Efficiency Rules
In July 2009, the Department of Energy issued new energy efficiency standards for commercial general-service fluorescent lamps and incandescent (and halogen) reflector lamps. The new rules take effect July 14, 2012 and will basically eliminate products with the lowest efficiency and lowest cost. In the case of fluorescent lamps, equivalent-performance products are readily available, such as T8 lamps, and the market is expected to shift to that and other technologies. In the case of incandescent reflector lamps, only a few equivalent-performance products are readily available that comply, such as infrared-coated halogen lamps, and manufacturers are expected to develop new substitutes.
Niagara AX Driver Enhances Integration of Lighting with HVAC and Building Systems to Conserve Energy and Lower Operating Costs
In a solution made for these challenging economic times, Encelium Technologies has announced that building owners and management can expect lower operating costs and a better return on investment through technology that enables the integration of the company’s Energy Control System (ECS) with Tridium’s Niagara AX building automation software platform. The dramatically improved integration of HVAC and other embedded devices with lighting is made possible by the Niagara AX Driver, according to Tony Marano, President and CEO of Encelium.
Energy Act Outlaws Many Incandescent Reflector Lamps
While general-service incandescent lamps have received the most attention in media coverage of the Energy Independence and Security Act (EISA) of 2007, with provisions beginning to take effect in 2012, many popular incandescent reflector lamps are being outlawed this month.
Line-Voltage Occupancy Sensors Provide Individual Fixture Control Option in Hi-Bay Lighting Retrofits
An additional 30-80 percent energy savings using occupancy sensors and 10-30 percent savings using daylighting controls can be achieved in a hi-bay fluorescent upgrade.
Lighting Controls Association Offers New Online Course on Personal Lighting Control
The Lighting Controls Association is pleased to announce that EE205: Personal Lighting Control has been added to the Association’s popular online Education Express distance education courses.
Integrating Lighting and Building Control
Building automation systems (BAS) provide automatic control of electrical loads, such as HVAC, lighting and electric motors, and functions not related to energy management, such as security and fire safety systems. Energy management systems (EMS) provide automatic control of electrical loads to manage energy consumption either as a stand-alone system or as part of a BAS. While EMS may be capable of provide automatic switching of large blocks of lighting loads, only a fraction of installed EMS actually control lighting, according to the U.S. Department of Energy (2003). EMS that control HVAC are installed in about 5.6% of commercial buildings representing 24% of commercial floorspace—most commonly >100,000 sq.ft. office and education buildings—while EMS that control lighting are installed in 1.3% of buildings covering 7.4% of floorspace.
New DOE Web Tool Lights the Way Beyond 90.1 for Retail Buildings
The U.S. Department of Energy (DOE)’s Commercial Lighting Solutions (CLS) program, a component of Commercial Building Energy Alliances, seeks to stimulate adoption of advanced lighting technologies and design practices by making them available to the broader lighting specification community, not just the leaders in the field. The result is an extraordinary interactive web tool that enables any lighting decision-maker to save 30% more energy than the ASHRAE 90.1-2004 standard energy code without sacrificing lighting quality that users need from lighting systems.
CLTC Study Demonstrates Major Energy Savings for Bilevel Occupancy Sensors
All energy codes require that general lighting be automatically turned OFF when it’s not used. Further, IECC says that if an occupancy sensor is used in an enclosed space such as a private office, light level reduction controls are not needed, suggesting an either/or choice. What if bilevel switching was combined with occupancy sensor functionality? Would this produce higher energy savings in a private office than bilevel switching or occupancy sensing alone. And: What combination of manual initiative and automation would produce the highest energy savings while also satisfying workers? The California Lighting Technology Center (CLTC) organized a study in eight private offices at the University of California – Davis in 2008 to attempt to generate useful data related to these questions.
- « Previous Page
- 1
- …
- 71
- 72
- 73
- 74
- 75
- 76
- Next Page »