By Damon Wood
Eco-friendly lighting fixtures lights expert Damon wooden takes you step by step via upgrading a lights procedure, in both a retrofit or entire redecorate state of affairs, for the aim of accelerating either power potency and productiveness. Contents contain lighting fixtures caliber, improve thoughts, functions, applied sciences, economics, upkeep, venture implementation and strategies for assessing particular possibilities.
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Additional info for Lighting Upgrades: A Guide for Facility Managers,
Types of Eight-foot Fluorescent Systems The longest lamps in the fluorescent family are the 8 ft. “F96” lamps. Typically used in retail and industrial applications, 8 ft. lampballast systems are produced in three light-output categories as described below. Note that these three systems are available, but less popular, in shorter lamp lengths as well. Refer to Table 3-4 for a summary of 8 ft. fluorescent system characteristics. Table 3-4. 8 ft. (F96) fluorescent systems. 75 • Hybrid • Electronic Very High 215W T12 Rapid-start 42-44 Output 185W T12 • Magnetic (162-191%) (VHO) 1System efficacy is affected by lamp wattage, lamp CRI, ballast type and lamp lumen depreciation.
3. During lamp operation, the ballast provides various power conditioning functions, including voltage regulation and power factor correction. Electronic ballasts also feature additional components for reducing harmonic distortion and electromagnetic interference. Types of Fluorescent Ballasts The two general categories of fluorescent ballasts are magnetic and electronic. Within each category, there are several types of ballasts from which to choose. Full-size Fluorescent Equipment 33 Magnetic Ballasts There are three types of full-size magnetic fluorescent ballasts that are currently used: standard “pre-1990” magnetic ballasts, “energy efficient” magnetic ballasts and hybrid (or cathode-disconnect) ballasts.
For example, the Philips Lighting 31W T8 U-lamp with a CRI of 75 and a color temperature of 4100K is listed as FB31T8/TL741. ) T5 Twin-tube Fluorescent Lamps Another type of fluorescent lamp is a variation of the twin-tube compact fluorescent lamp. T5 twin-tube lamps are normally classified as compact fluorescent lamps, but with lengths as long as 22-1/2 inches, they can be used in 2x2 fluorescent luminaires. Designations for these lamps are manufacturer-specific, such as DL (for Osram Sylvania), BX (for General Electric) and PL (for Philips).