Page 305 - Electrical Engineering Dictionary

FSA finite state automata. See finite state fullpermutationsymmetry Seenonlinear
machine. susceptibility.

FSK See frequency shift keying.
full rank Jacobian a Jacobian matrix
FSM See finite state machine. where dim(R(J)) = r, dim(N(J)) = n − r.
At a singular configuration of the Jacobian,
FSS See frequency selective surface. one has dim(R(J)) + dim(N(J)) = n in-
dependently of the rank of the matrix J.
FSVQ See finite state vector quantizer. See null space of the Jacobian and range of
Jacobian.
fuel cell an electrochemical device in
which the chemical energy of a conventional full-load amperage the current measured
fuel converted directly and efficiently into at the input of an electrical apparatus which
low voltage, direct current electrical energy. has a rated variable at the output. The full-
load amperage is also defined as a value that
fuel cycle (1) the operating time of a nu- permits the system to operate in a safe con-
clear reactor between shutdowns for refuel- dition if it is equal to the rated value. The
ing. full-load amperage is equal to the rated value
(2) the life cycle of nuclear fuel, e.g., raw if and only if the voltage is at its rated value.
materials, to fresh fuel, to irradiated fuel, to The full load is defined with the electrical
spent fuel, to recycling, and finally to residual power in the case of transformers, genera-
tors, or power electronics converters and it is
waste.
defined with the mechanical power for elec-
trical motors.
fuel pool a large vat of water used to store
bothfreshandspentnuclearfuelatthereactor
site. full-load speed the speed of a motor that
produces rated power when operating at rated
fuelrod long, thincanister, typicallymade voltage and, for AC motors, frequency.
of zirconium or other metal, which contains
the radioactive fuel in a nuclear reactor core. full-load torque the torque of a motor that
is producing rated power at rated speed.
fulgurite a vitrified tube of fused sand cre-
ated by power fault arcs or lightning strikes full-wave analysis the rigorous compu-
to sandy soil. tation of electromagnetic fields without ap-
proximations (apart for numerical discretiza-
full adder a combinational logic circuit tion) is often referred to as full-wave analysis.
that produces a two-bit sum of three one-bit
binary numbers. full-wave control both the positive and
negative half cycle of the waveforms are con-
full bridge amplifier a class-D amplifier trolled.
based on a full-bridge inverter configuration.
full-wave rectifier a device that passes
full load amperage (FLA) a value, found positive polarity portions of a signal and re-
on the nameplate of an induction motor, in- verses negative polarity portions of an AC
dicating the expected current drawn by the signal. Ideally, for a sinusoidal input v i (t) =
motor when operating at rated voltage and V m cos(ωt), the output of an ideal full-wave
load. rectifier is v o (t) =|V m cos(ωt)|.

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