Tonghui TH2827 Series - Accuracy of Q; Accuracy of Θ; Accuracy of G; Accuracy of Rp

TH2827 Series Operation Manual Chapter 7 Command Reference
70
When D
x
>0.1，D
e
should be multiplied by（1+D
x
）
6.3.3 Accuracy of Q
The accuracy of Q is given by the formula below：
Q
e
=
ex
ex
DQ
DQ



1
2
Where, Q
x
is the value of the tested Q.
D
e
is the accuracy of D
Above formula should be used when Q
x
×D
e
<1.
6.3.4 Accuracy of θ
The accuracy of θ is given by the formula below：
θe =
100
180 eA


[deg]
6.3.5 Accuracy of G
When D
x
(tested value of D)0.1
The accuracy of G is given by the formula below：
G
e
= B
x
×D
e
[S]
B
x
= 2πfC
x
=
xfL  2
1
Where, B
x
is the value of tested B with the unit [S].
C
x
is the value of tested C with the unit [F].
L
x
is the value of tested L with the unit [H].
D
e
is the accuracy of D.
F is test frequency.
6.3.6 Accuracy of Rp
When D
x
（value of tested D）0.1
The accuracy of R
p
is given by the formula below：
R
p
=
ex
epx
D
D
DR



[]
Where, R
px
is the value of tested R
p
with the unit [S].
D
x
is the value of test D with the unit [F].
D
e
is the accuracy of D.