Hioki PW8001-11 User Manual

218
Specications of Equations
Wiring
Item
1P2W 1P3W 3P3W2M 3V3A 3P3W3M 3P4W
Harmonic
voltage content
percentage
U hd
k(i)
=
U
U
k
1
×
100
Harmonic
current content
percentage
I hd
k(i)
=
I
I
k
1
×
100
Harmonic
power content
percentage
Phd
k(i)
=
P
P
k
1
×
100
Total voltage
harmonic
distortion
Uthd
(i)
=
U
U
k
k
K
()
=
∑
2
2
1
×
100
(with THD-F setting) or
U
U
k
k
K
k
k
K
()
()
=
=
∑
∑
2
2
2
1
×
100
(with THD-R setting)
Total harmonic
current distortion
Ithd
(i)
=
I
I
k
k
K
()
=
∑
2
2
1
×
100
(with THD-F setting) or
I
I
k
k
K
k
k
K
()
()
=
=
∑
∑
2
2
2
1
×
100
(with THD-R setting)
(i)
: measurement channel,
k
: harmonic order,
K
: maximum analysis order (varies with synchronization frequency)
Real
θU
ki
U
kr(i)
U
ki(i)
I
IV
II
(−)
(−)
−90
°
+90
°
+180
°
(+)
(+)
III
Image
0
°
Phase reference
Example: for harmonic voltage
I
tan
−
()
()
−








1
U
U
kr i
ki i
+180
°
III, IV
tan
−
()
()
−








1
U
U
kr i
ki i
II
tan
−
()
()
−








1
U
U
kr i
ki i
−180
°
U
ki(i)
= 0, U
kr(i)
< 0 −90
°
U
ki(i)
= 0, U
kr(i)
> 0 +90
°
U
ki(i)
< 0, U
kr(i)
= 0 0
°
U
ki(i)
= 0, U
kr(i)
= 0 0
°
U
ki(i)
> 0, U
kr(i)
= 0 +180
°
HIOKI PW8001A961-00

Hioki PW8001-11 Specifications

General

Brand	Hioki
Model	PW8001-11
Category	Measuring Instruments
Language	English