A variable transformer is a transformer used to step down line current to make it easier to measure.
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A floating system is a control system with a grounded second…
A floating system is a control system with a grounded secondary in the control transformer.
A ___ transformer connection is two or more transformers wir…
A ___ transformer connection is two or more transformers wired together that carry a common load.
A potential transformer is a precision two-winding transform…
A potential transformer is a precision two-winding transformer used to step down high voltage to allow safe voltage measurement.
A ___ is a rotating machine that produces a DC current from…
A ___ is a rotating machine that produces a DC current from an AC source or AC current from a DC source.
The ___ rating of the primary winding of a current transform…
The ___ rating of the primary winding of a current transformer is determined by the maximum value of the load current to be measured.
A window current transformer is a transformer with separate…
A window current transformer is a transformer with separate primary and secondary windings wrapped around a laminated core.
Autotransformer reduced-voltage starting is used for startin…
Autotransformer reduced-voltage starting is used for starting blower, compressor, conveyor, and pump motors over about ___ HP.
___ transformers are used to prevent a ground loop from caus…
___ transformers are used to prevent a ground loop from causing problems in a circuit.
Autotransformer reduced-voltage motor starting reduces the a…
Autotransformer reduced-voltage motor starting reduces the applied motor voltage to 50%, 65%, or 80% of the ___ voltage when starting.