Ballast

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Ballast

Informal; anything that helps bring balance to an economy or company. For example, if strong auto sales lift an otherwise stagnant economy, it may be said to be a ballast preserving GDP growth. The term refers to the weight that helps balance a ship at sea.
References in periodicals archive ?
With Atmel's new microcontrollers, ballast applications will be able to recognize tube power, lamp aging, communicate with other lighting systems, thus providing a range of possible configurations for designers of lamp ballast and finally better visual comfort for end users.
PHOENIX, July 27 /PRNewswire/ -- A new half bridge driver introduced by Semiconductor Components Group (SCG) today offers state-of-the-art high frequency stability for fluorescent lamp ballasts and includes an ICO pin which allows use of sophisticated frequency control techniques.
The new LightMOS(TM) IGBTs offer an cost-optimized alternative to MOSFETs (metal-oxide semiconductor field-effect transistors) typically used in Electronic Lamp Ballasts (ELB) for fluorescent tubes, allowing a 1-to-1 replacement at approximately a 15 percent lower price with same functionality.
Michael Foster, president and CEO, said, "Our results reflect continued sales increases on our lamp ballast business and sales of specialized power systems to the thermal processing and high-rise elevator modernization markets.
Instructions/Remarks: 1 The Railway Reserve The Right To Order Entire Or Bulk Quantity From Sources Who Are Approved For Electronic Lamp Ballast 110V Ac-Dc-18W To Rdso-Pe-Spec-Tl-0011-2000 Rev.
Tenders are invited for Electronic Lamp Ballast Fl Tube 110V Dc, 18 Watt, Type 2, Specn.
TMOS power transistors (TMOS stands for T-Metal Oxide Semiconductor) are discrete transistors used for switching applications in various consumer products including monitors, disk drives, power suppliers, AC motors, lamp ballast, and other automotive, industrial and consumer applications.
In November 2011, The Department of Energy (DOE) issued new rules regulating the efficiency of fluorescent lamp ballasts, which take effect on November 14, 2014.
Because lamp ballasts make up an important portion of the parts and accessories sector and are central to certain market trends, numbers are presented for both aftermarket and original equipment manufacturer (OEM) shipments.
For example, HPS lamps for use on mercury vapor lamp ballasts that operate at 10 percent lower power have been described in the literature (Ravi and others 1993).
STMicroelectronics has introduced a new family of power MOSFETs for use in high-efficiency power supplies for products such as LCD monitors, televisions and energy-saving lamp ballasts.