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2. 3. 4.
3
FOR
PARALJLEL
INDUCTANCE MEASUREMENTS WITH
DC SUPER-
IMPOSED
THROUGH THE GENERATOR
TERMINALS
(cont.
)
R
-
POWER
LIMITING RESISTOR
This protects
the
bridge,
the
detector
,
and
the
unknown
inductor
.
L
-
ISOLATING
INDUCTOR
Avoid
ac
pickup and coupling
to
the
unknown.
This prevents
excessive generator
loading.
Not
necessary
if
R^lOO
ohms.
C
-
ISOLATING
CAPACITOR
This keeps
dc out
of the
Generator.
R
-
CURRENT
ADJUSTING
CONTROL
To
set
desired current,
d
MA
-
CURRENT
MONITORING
METER
To measure
dc
current.
MEASURE THE INDUCTANCE
See
Section
2.3.
{
e
l
sm
250-DA
7/59
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