SR 4 GENERATOR
GLOSSARY
GLOSSARY
anode: The positive end of a diode or rectifier.
blocking rectifier: Permits current flow in only one direction. This keeps the
polarity of the exciter in the correct direction.
bolted: Use of a bolt to hold two or more parts together.
breaker: An automatic switch used to open a circuit.
bridge: A circuit used to change AC to DC and to measure small quantities of
current, voltage or resistance.
build-up: (Voltage) A gradual increase.
cathode: The negative end of a diode or rectifier.
capacitance: The measure of a capacitors ability to take and hold a charge.
circulating current: The flow of current between two generators working in
parallel.
commutator: A part of the shaft used to remove DC voltage for excitation.
conduct: Give path for current flow.
consideration: factor.
continuity: A circuit that is not open.
control: One that controls.
controlled rectifier: A rectifier that lets current flow only after it has "turned on."
DC controlled reactor: Gives resistance to current flow to the rectifier according to
the voltage droop setting. Same as saturable reactor, DC.
damping: To smooth out.
de-energize: To stop current from going to a component.
distribution winding: An arrangement of windings, in groups that are in several
slots, that go from one end of the core to the other end.
droop: decrease.
effective: Gives the desired effect.
elementary: simple.
excitation: DC current (controlled) used to make a magnetic field.
energize: To cause current to go to a component.
electrostatic charges: Electricity caused by friction.
exciter: Gives DC current to the field windings of the generator.
field: Magnetic lines of force around a conductor caused by current flow.
field windings: Many turns of wire wrapped around an iron core. When a DC
current flows through the field windings it causes a magnetic field
(like that of a bar magnet).
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