Tonghui TH2822 - Maintenance and Care; Service

93
Equivalent Series Resistance
Accuracy of equivalent series resistance is calculated
by below formula：
Rse =
ex
X φ ×±
Where,
x
X
is measured reactance,
xx
fLX π 2=
or
x
x
fC
X
π
2
1
=
e
φ
is the phase angle accuracy，
180
π
θφ
×=
ee
Notice ： the accuracies of ESR and Rs are same.
Equivalent Parallel Resistance
Accuracy of equivalent series resistance is calculated
according to the below formula:
Rpe =
ex
epx
D
R
φ
φ

×
±
R
px
is the measured value of Rp, Dx is the measured
value of dissipation.