- 行业: Energy
- Number of terms: 8202
- Number of blossaries: 3
- Company Profile:
American conglomerate currently ranked by Forbes as the world's largest company. GE has multifarious business interests including power generation and financial services.
Component of electromagnetic ballast that is surrounded by the coil. Core is comprised of steel laminations or solid ferrite material.
Industry:Lights & lighting
An illuminance meter that measures the light level correctly irrespective of the angle the light is coming from. (See ILLUMINANCE METER)
Industry:Lights & lighting
Usually refers to the cost of operating and maintaining a lighting system on an ongoing basis. The 88-8-4 rule states that (typically) 88% is the cost of electricity, 8% is labor and only 4% is the cost of lamps.
Industry:Lights & lighting
Ratio of peak to RMS for any AC waveform. Crest factor can refer to voltage crest factor or current crest factor.
Industry:Lights & lighting
Whether the operational voltage is based on Alternating Current or Direct Current.
Industry:Lights & lighting
Lighting design for building interiors that makes of daylight as a way of reducing energy consumption.
Industry:Lights & lighting
A lamp resembling the color of daylight, typically with a color temperature of 5500 K to 6500K
Industry:Lights & lighting
A reflector (or filter) that reflects one region of the spectrum while allowing the other region(s) to pass through. A reflector lamp with a dichroic reflector will have a "cool beam" i.e. most of the heat has been removed from the beam by allowing it to pass through the reflector while the light has been reflected.
Industry:Lights & lighting
Whether or not the lamp lumens can be varied while maintaining reliability.
Industry:Lights & lighting
A device used to lower the light output of a source, usually by reducing the wattage it is being operated at. Dimming controls are increasing in popularity as energy conserving devices.
Industry:Lights & lighting
