transformer

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Related to Auto Transformer: Current transformer, Isolation 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.

transformer

[-fôr′mər]
Etymology: L, transformare, to change shape
an electric apparatus that changes alternating current of one voltage into a different voltage of the same frequency.

transformer,

n an electrical device that increases or reduces the voltage of an alternating current by mutual induction between primary and secondary coils or windings.
transformer, auto-,
transformer, Coolidge filament,
n.pr a step-down transformer that reduces line voltage of 110 volts to 12 volts, which in turn heats the tungsten filament of the Coolidge tube for the production of electrons.
transformer, step-down,
n a transformer in which the secondary voltage is less than the primary voltage.
transformer, step-up,
n a transformer in which the secondary voltage is greater than the primary voltage.

transformer

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.

transformer fluid
may cause poisoning due to its polychlorinated biphenyl content.
step-down transformer
one for lowering the voltage of the original current.
step-up transformer
one for raising the voltage of the original current.
References in periodicals archive ?
The site's home page displays navigation links to the specific through-hole (PC board mount) and chassis mount types offered: linear, three phase, Class 2, toroidal, high efficiency, safety isolation, buck boost, and auto transformers.
Tenders are invited for Motorised Variable Auto Transformers With Limit Switch Suitable For 03 Phase, 50 Kva Servo Controlled Automatic Voltage Stablier In Put Voltage 240 V, 01 Phase 50 Hz Out Put 0-270 Volts, Rated Capacity 28 Amps, Make-Vintech, Ae Or Bluestar.
This was done through splitting the bus-bars at both of the 220 KV grid stations and then connecting the 160 MVA Auto Transformers there through tie-lines already existing in the vicinity.
Is a 44 year old manufacturer of Uninterruptible Power Supplies, Power Line Conditioners, custom linear and switch mode power supplies, Variac auto transformers and voltage regulators and invertors.