tap changer


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tap changer

[′tap ‚chān·jər]
(electricity)
A device which is used to change the ratio of the input and output voltages of a transformer over any one of a definite number of steps.
References in periodicals archive ?
Automatic on-load voltage regulation by using on-load tap changer (OLTC) is an effective and suitable method to deal with voltage changing in power systems (Hong and Wang, 1995; Yorino et al, 1997; Faiz and Siahkolah, 2011).
It also features a tap changer with silver-plated contacts, for long-life and reliable operation .
The tap changer is part of the transformer and is controlled by an operator or a computer that determines the amount of power entering the furnace and sets the arc length.
The work includes maintenance and repair of the tap changer, replacement of the bushings and installation of new winding sets.
Aal ganz type type n32 tap changer comprising of 37 nos uncommon items as per annexure s2 and 11 nos uncommon hardware items as per annexure poh-hw-2 total 48 items specific to m/s aal ganz type tap changer.