">POWER TRANSFORMER
power transformer toroidal transformer voltage transformer
Various Dyco Electronics' magnetics and power transformer products are
used for military and commercial capabilities such as critical military
applications, and with several companies coming from many areas of the
railroad industry.
A power transformer normally operates from either 60 Hz, or 400 Hz
alternating current. Each tiny domain must realign itself twice during
each cycle, or a total of 120 times a second when 60 Hz alternating
current is used. The energy used to turn each domain is dissipated as
heat within the iron core. This loss, called HYSTERESIS LOSS, can be
thought of as resulting from molecular friction. Hysteresis loss can be
held to a small value by proper choice of core materials.
Steel Lamination are thin pieces of high permeability iron stacked
together to make a power transformer or choke core. The pieces are
often formed in the shape of letters such as E, I or U which also
define the power transformer configuration. i.e. E/I core.
Split Bobbin Winding is the method of winding a power transformer
whereby the primary and secondary are wound side-by-side on a bobbin
with an insulation barrier between the two windings.
Secondary Turns (Ns) are the number of turns of magnet wire in the
secondary winding of a power transformer. If multiple secondary
windings exist they are identified by a subscript number such: Ns1,
Ns2, and so on.
A choke is an inductor used in applications where there is a need to
impede the alternating current in a circuit. Chokes are usually found
in power transformer supply filters.
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