step-down transformer


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Related to step-down transformer: step-up transformer

transformer

 [trans-for´mer]
an induction apparatus for changing electrical energy at one voltage and current to electrical energy at another voltage and current, through the medium of magnetic energy, without mechanical motion.
step-down transformer one for lowering the voltage of the original current.
step-up transformer one for raising the voltage of the original current.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

step-down trans·form·er

(step'down trans-fōr'mĕr)
Device used in radiology to decrease the voltage coming into the x-ray tube.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

step-down trans·form·er

(step'down trans-fōr'mĕr)
Device used in radiology to decrease the voltage coming into the x-ray tube.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
* Incorrect Line Voltage -- typically addressed with step-up or step-down transformers or voltage regulation
Designed for North American street light installations, the LXMG221D-0700040-D2F LED driver from Microsemi eliminates bulky step-down transformers typically used, providing a single-step conversion from 347 VAC or 480 VAC down to less than 57 VDC.
The tests are performed by exciting the primary and reading the secondary, providing safer conditions for the operator on step-down transformers. Continuity test indicates open or high-resistance terminal connections, and the DC test mode eliminates errors due to magnetic buildup.
* Separate utility and computer step-down transformers with K-rated units specified for computers.
The company's certification includes isolation and step-down transformers with primary and secondary voltages up to 240V ([+ or -] 10 percent) and operating frequencies of both 50 Hz and 60 Hz.