58 Phasors in action

5nff3mhznotethat 2f1885e7radsecthuszcj3537

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: phasors
 •  (1)
The
frequency
ω
can
be
always
the
same,
 like
in
the
power
grid
 •  Then
we
calculate
a
phasor
for
the
parCcular
 voltage
or
current
as
a
constant
 •  (2)
The
frequency
ω
can
vary,
as
in
an
audio
 signal
 •  Then
we
have
to
calculate
the
dependence
of
 the
current
or
voltage
on
the
frequency
ω
 ©
2009
A.
Ganago
 Phasors
in
AcCon
 7
 Phasors
and
Impedances
 •  Phasors
are
used
for
voltages
and
currents
 •  Impedances
are
used
as
resistances
 •  With
phasors
V
for
voltage
and
I
for
current,
 and
impedance
Z,
we
can
use
Ohm’s
law
for
 resistors,
inductors
and
capacitors
 •...
View Full Document

Ask a homework question - tutors are online