175 Watt Mercury Vapor Ballasts

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  • Zero voltage switched power factor correction techniques for industrial applications
    An experimental prototype using the Zero CurrentSwitched, controlledon- timetechniquewasconstructedto correct the powerfactor of the 175Watt Mercury vapor lamp and ballast .
  • http://www.galco.com/techdoc/cohi/vmvs2tw150gp_480s865rd70_cp.pdf
    … Wide range of light sources and wattages to meet specifiers’ needs: 50, 70, 100, and 150 watt high pressure sodium (HPS); 100, and 175 watt mercury vapor (MV); 70, 100, 175 watt metal halide (MH) ɀ Hinged ballast housing for ease of …
  • Nuclear Technology Division annual progress report for period ending September 30, 1976
    Two mercury vapor l i g h t fixtures, each with a 175 watt lamp, are installed i n the c e l l i n t e r i o r t o provide adequate l i g h t i … Ballasts f o r the fixtures are instal1ed outside the cell.
  • Factors affecting lighting fixture operating temperature, fixture life and subsequent suitability for classified areas
    … a 150 watt high pressure sodium lamp, its T-number (in most cases the lamp temperature) changes from T B (26OOC) to T2A (28OOC) when tested with a dust blanket. noted with this fixture when a 175 watt metal halide lamp is … Another, not surprising, observation was made during this new test. dust blanket on the fixture. watt mercury vapor lamp, the capacitor temperature increased from 68OC to 8OoCwhen a dust blanket was added. … maximum rated operating temperatures. that the current UL Standards do not require the ballast components to remain …
  • Mexico Posts Draft Energy Efficiency Standards for Certain Lamps
    Normal.dotm 0 0 1 175 1000 WSP Environmental 8 2 1228 12.0 0 false 18 … Draft, Art. 1) Despite the general definition, the proposal sets out a long list of exempt lamps, including compact fluorescents without integrated ballast , circular fluorescents, low pressure vapor sodium, LEDs and many others destined for a specific use. The draft calls for phased-in efficiency limits (indicated in lumens/ Watt ) based on the parameters of the particular type of incandescent or halogen/incandescent, self-ballasted compact fluorescent, fluorescent, metallic additive, mixed light, vapor mercury , or high pressure vapor sodium lamp in …
  • Solar Power in Building Design: The Engineer’s Complete Design Resource > ENERGY CONSERVATION
    … W must either have a lamp efficiency of at least 60 lumens per watt (lm/W) or must … … initial lamp lumens divided by the rated lamp power (W), without including auxiliary devices such as ballasts . Fixtures that operate by mercury vapor principles and larger-wattage incandescent lamps do not meet these efficiency requirements. Cutoff luminaires Outdoor luminaires with lamps rated greater than 175 W that are used in parking lots …
  • Keep Alive Mercury Mine Lighting System - Document Summary
    Recent innovations in mine safety include the use of mercury vapor lamps for mine vehicle illumination. … periods of up to three minutes by simply interrupting the 60 Hz power to the conventional ballasts . Each unit, housed in a steel explosion proof enclosure with a volume of approximately 0.6 ft3, is capable of servicing up to six 175 watt H-39 mercury lamps and two 100 watt H-75 reflector flood lamps.
  • Greening Federal Facilities: An Energy, Environmental, and Economic Resource Guide for Federal Facility Managers and Designers; Second Edition
    “Barn lights” that contain 175 - watt mercury vapor lamps, wall packs, and flood- lights are good examples of fixtures to avoid. LAMP AND BALLAST SELECTION Mercury vapor lights should be avoided.
  • Turning research into results, final report
    Even when the lamp is dead, the ballast will still draw power when turned on. Mercury Vapor Lamps The 175 - watt size provides 5,800 lumens of light and is comparable to a 300-watt incandescent, which provides 6,000 lumens.