Hioki IM3570 - Page 420

Appendix 1 Measurement Parameters and Arithmetic Expressions
A2
From the voltage V which is applied between the terminals of the sample under test, the current I which
flows through the test sample at this time, the phase angle
 between this voltage V and this current I,
and the angular velocity
 which corresponds to the test frequency.
*  : phase angle of admittance Y (  = -  )
Ls, Rs, Cs: The measured values of L, C, and R in series equivalent circuit mode.
Lp, Rp, Cp: The measured values of L, C, and R in parallel equivalent circuit mode.
The phase angle  is shown based on the impedance Z. When measuring based on the
admittance
Y, the sign of the phase angle  must be reversed.
Item Series equivalent circuit mode Parallel equivalent circuit mode
Z
Y
R
X
G
B
L
C
D
Q
Z
V
I
--- R
2
X
2
+=


=
Y
1
Z
------G
2
B
2
+=


=
R
S
ESR Z  cos==
R
P
1
Y
 cos
------------------
1
G
----=


=
*
XZ  sin=
GY  cos=
*
BY  sin=
*
L
S
X

----=
L
P
1
 B
--------
–=
C
S
1
 X
--------
–=
C
P
B

----=
D
 cos
 sin
--------------=
Q
 sin
 cos
--------------
1
D
----=


=