step-down transformer


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to step-down transformer: step-up transformer

step-down transformer

[′step ¦dau̇n tranz′fȯr·mər]
(electricity)
A transformer in which the alternating-current voltages of the secondary windings are lower than those applied to the primary winding.
References in periodicals archive ?
While all wiring and connectors for power are sealed, redundant NEMA enclosures, step-down transformers, and disconnect interlocks are offered as prewired enclosures.
(Dimmer switches work only with 110-volt incandescent lights, not step-down transformers.) Photo and electronics shops sell small red bulbs that glow deeper red than Christmas-tree lights.
One of the problems with the power chargers for all the digital devices you carry around is the step-down transformer end.
circuit shown in Figure 1 is based on a resonant inverter that uses transistors and a high-frequency step-down transformer to perform voltage conversion.
Because the site ran on 660V, Quantum Controls also needed to supply and install a step-down transformer to match the supply to the drive, together with a step-up transformer to match the drive's output to the needs of the water pump.
Three-phase and single-phase AC voltages and currents are measured from the lab's step-down transformer, the DES line terminals, the load, and other locations of interest within the DES.
The researchers created a network model that had a node for each generating station, substation, and step-down transformer on the grid.
The physical structure of the grid (its "topology") and flow of power (active and reactive) across the network from generating stations along transmission lines to customers, via step-up and step-down transformers, and the regulation of aspects of power quality such as voltage and frequency, is enormously complex.
Step up and step-down transformers are used at different places for different functionality.
1 with the replacement of step-down transformers in the territory of jsc baranovichi dairy plant in baranavichy 50 years of the bssr, 51 .