User Manual

Product Features Functions/Displays Applications Software Comparisons Explanations Specifications
Specifications
SpecificationsSpecifications
17
Power
It
em
Sp
eci
f
ication
A
ccuracy
(
s
i
x-mont
h)
Co
n
d
iti
o
n
s
S
ame as the accuracy of the volta
g
e and current
F
requenc
y
Accuracy
±(Reading error + Measurement range error
)
D
C
±
(
0.05% of readin
g
+ 0.1% of ran
g
e
)
0
.1 Hz
)
f < 10 H
z
±(0.3% of reading + 0.2% of range)
1
0
Hz
)
f
< 4
5
H
z
±(0.1% o
f
reading + 0.2% o
f
range)
45
H
z
)
f
)
66
H
z±
(
0.1% of readin
g
+ 0.05% of ran
g
e
)
66 Hz < f
)
1kHz
±(0.2% of reading + 0.1% of range)
1 kHz
<
f
)
50
kHz
±(0.3% o
f
reading + 0.2% o
f
range)
50 mV, 100 mV, 200 mV ran
g
e of the external current sensor input
±(0.5% o
f
reading + 0.2% o
f
range)
Direct in
p
ut o
f
the 50 A in
p
ut element
±
{(
0.1 × f + 0.2
)
% of readin
g
+ 0.2% of ran
g
e
}
50 kHz <
f
)
100 kH
z
±(0.7% o
f
reading + 0.3% o
f
range)
Direct in
p
ut o
f
the 50 A in
p
ut element
±
{(
0.3 × f - 9.5
)
% of readin
g
+ 0.3% of ran
g
e
}
100 kHz <
f
)
200 kHz ±{(0.0105 ×
f
- 0.25)% o
f
reading + 1% o
f
range}
Direct in
p
ut o
f
the 50 A in
p
ut element
±
{(
0.09 × f + 11
)
% of readin
g
+ 1% of ran
g
e
}
200 kHz <
f
)
500 kH
z
±{(0.0105 ×
f
- 0.25)% o
f
reading + 1% o
f
range}
500
kHz <
f
)
1
MH
z±{(0.048 ×
f
- 20)% o
f
reading + 2% o
f
range}
• Add the
f
ollowing value to the above accuracy
f
or the external current sensor range
.
Current DC accurac
y
: 50
μ
V
Power DC accuracy:
(
50 μV/External current sensor ran
g
e ratin
g)
× 100% of ran
g
e
• Add the
f
ollowing value to the above accuracy
f
or the direct current input range.
50
A
i
n
p
ut e
l
ement
Current DC accuracy: 1 m
A
Power D
C
accuracy: (1 mA
/
Direct current input range rating) × 100% of range
5
A
i
n
p
ut e
l
ement
Current DC accuracy: 10 μA
Power D
C
accuracy: (10 μA
/
Direct current input range rating) × 100% of rang
e
• Accurac
y
o
f
the wave
f
orm dis
p
la
y
data, U
p
k and I
p
k
A
dd the followin
g
value to the above accuracy
(
reference value
)
. The effective input ran
g
e is within ±300% of
range (within ±600%
f
or crest
f
actor 6
)
V
o
l
ta
g
e
i
nput:
{
1.5 ×
3
(15/range) + 0.5}% of range
33
Direct current input ran
ge
50 A in
p
ut element; 3 ×
3
(1/range)}% of range + 10 mA
3
3
5
A
i
nput e
l
ement:
{
10 ×
3
(10 m/range) + 0.5}% of range
3
3
External current sensor input ran
g
e
50 mV to 200 mV range: {10 ×
3
(0.01/range) + 0.5}% of range
3
3
500 m
V
to 10
V
ran
g
e:
{
10 ×
3
(0.05/range) + 0.5}% of range
3
3
• Infl uence from a temperature chan
g
e after zero level compensation or ran
g
e chan
g
e
A
dd the
f
ollowing value to the above accuracy
.
Volta
g
e DC accuracy; 0.02% of ran
g
e/°C
DC accuracy of the direct current input
50 A in
p
ut element: 1 mA
/
°
C
5 A in
p
ut element: 10
μ
A/°C
D
C accuracy of the external current sensor input: 50 μV/°
C
DC
power accuracy: Infl uence from the voltage × Infl uence from the current
• In
fl
uence
f
rom the sel
f
-heatin
g
caused by volta
g
e inpu
t
• Add the followin
g
value to the volta
g
e and power accuracy.
A
C
input signal: 0.0000001 ×
U
2
%
o
f
reading
DC input si
g
nal: 0.0000001 ×
U
2
% o
f
readin
g
+ 0.0000001 ×
U
2
% o
f
ran
ge
U is the volta
g
e readin
g
(
V
)
.
The in
fl
uence
f
rom the sel
f
-heating continues until the temperature o
f
the input resistor decreases, even i
f
the
vo
l
ta
g
e
i
nput c
h
an
g
es to a sma
ll
va
l
ue.
• Infl uence from the self-heatin
g
caused by current input
A
dd the
f
ollowing value to the current and power accuracy o
f
the 50 A element.
AC input si
g
nal: 0.00006 × I
2
% o
f
readin
g
DC input si
g
nal: 0.00006 × I
2
% of readin
g
+ 0.004 × I
2
mA
A
dd the
f
ollowing value to the current and power accuracy o
f
the 5 A element
.
AC input si
g
nal: 0.006 × I
2
% o
f
readin
g
DC input si
g
nal: 0.006 ×
I
2
% of readin
g
+ 0.004 × I
2
% of readin
g
I is the current reading (A)
.
The in
fl
uence
f
rom the sel
f
-heatin
g
continues until the temperature o
f
the shunt resistor decreases, even i
f
t
he current input chan
g
es to a small value
.
• Addition to the accuracy according to the data update rat
e
A
dd 0.1% o
f
readin
g
when the data update rate is 50 ms and 0.05% o
f
readin
g
when 100 ms.
• Ran
g
e of
g
uaranteed accuracy by frequency, volta
g
e, and curren
t
A
ll
accu
r
ac
i
es
be
tw
ee
n
0
.1 Hz
a
n
d
1
0
Hz
a
r
e
r
efe
r
e
n
ce
v
a
l
ues.
I
f
the volta
g
e exceeds 750 V at 30 kHz to 100 kHz, the volta
g
e and power values are re
f
erence values
.
If the current exceeds 20 A at DC, 10 Hz to 45 Hz, or 400 Hz to 100 kHz, the current and power accuracies are
r
efe
r
e
n
ce
v
a
l
ues
.
• Accuracy for crest factor 6: Same as the ran
g
e accuracy of crest factor 3 for twice the ran
g
e
.
It
em
Sp
eci
f
icatio
n
I
nfl uence of power factor
(
λ
)
When
λ
=
0
A
pparent power reading × 0.1%
f
or the range
f
rom 45 to 66 Hz
For frequencies other than the above
(
Reference values
)
5 A input element and external sensor inputs:
Apparent power reading × (0.1 + 0.05 ×
f
(kHz))
%
Direct input of the 50 A input element:
Apparent power reading × (0.1 + 0.3 × f (kHz))
%
Wh
e
n
0
<
λ
<
1
P
ower rea
di
n
g
×
[(P
ower rea
di
n
g
error %
)
+
(P
ower ran
g
e error %
)
×
(Power range/Apparent power reading) + {tan Ø × (Infl uence % when
λ
= 0)}]
Ø is the phase angle between the voltage and current.
I
nfl uence of line fi lte
r
When the cutoff frequency
(
fc
)
is 100 Hz to 100 kHz
Voltage/curren
t
U
p to (fc
/
2) Hz: Add 2 × [1 -
3
{1/(1 + (f/fc)
3
3
4
}] × 100 + (20 × f
/
300 k)% of reading
P
ower
U
p to (fc/2) Hz: Add 4 × [1 -
3
{1/(1 + (f/fc)
3
3
4
}] × 100 + (40 × f/300 k)% of reading
When the cuto
ff
f
requency (
f
c) is 300 kHz and 1 MHz
Volta
g
e/curren
t
U
p to (fc/10) Hz: Add (20 × f/fc)% of readin
g
P
o
w
e
r
U
p to
(
fc/10
)
Hz: Add
(
40 × f/fc
)
% of readin
g
L
ead
/
lag phase detection (D (LEAD)
/G
(LA
G
) of the phase angle
)
Th
e p
h
ase
l
ea
d
an
d
l
ag can
b
e
d
etecte
d
correct
l
y w
h
en t
h
e vo
l
tage an
d
current
i
nput si
g
nals are as follows
.
•
S
ine wav
e
•
50% or more o
f
the measurement range (100% or more
f
or crest
f
actor 6)
•
F
requency: 20
H
z to 10
kHz
•
Phase angle: ±(5° to 175°)
Sy
mbol s for the reactive
p
ower
Q
∑
calcula
t
io
n
The symbol s shows the lead/la
g
of each element, and “-” indicates leadin
g.
T
emperature coe
ffi
cient
±
0.03% of reading
/
°
C
at 5 to 18°
C
or 28 to 40°
C
E
ff
ective input rang
e
Udc and Idc: 0 to ±110% of the mea
easurement range
Urms and Irms: 1 to 110% of the measurement range
t
U
mn and Imn: 10 to 110% o
f
the measurement range
U
rmn and Irmn: 10 to 110% o
f
the measurement range
Po
w
er
DC measurement: 0 to ±110
%
A
C
measurement: ±110% of the power range when the voltage and current
ran
g
e
i
s 1 to 110%
.
H
owever, the synchronization source level shall meet the input si
g
nal level o
f
f
re
q
uenc
y
measurement. Each o
f
the lower limits is doubled
f
or crest
f
actor 6
.
M
ax.
di
s
pl
a
y
va
l
u
e
140% of the volta
g
e and current ran
g
e ratin
g
Min. display valu
e
Displays the followin
g
values relative to the measurement ran
g
e
.
•
Urms, Uac, Irms, Iac: Up to 0.3% (up to 0.6%
f
or crest
f
actor 6)
•
Umn, Urmn, Imn, Irmn: Up to 2%
(
up to 4% for crest factor 6
)
B
elow that, zero suppress
.
C
urrent integration value q also depends on the current value
.
Measurement lower limit fre
q
uenc
y
Data update rate: 50 ms 100 ms 200 ms 500 ms
M
easurement lower limit
f
re
q
uenc
y
: 45 Hz 25 Hz 12.5 Hz 5 Hz
D
ata u
pd
ate rate: 1 s 2 s 5 s 10 s 20
s
M
easurement lower limit frequency: 2.5 Hz 1.25 Hz 0.5 Hz 0.2 Hz 0.1 H
z
A
ccurac
y
of a
pp
arent
p
ower
S
V
olta
g
e accuracy + Current accurac
y
A
ccuracy of reactive power
Q
Accuracy of apparent power + ( (1.0004 -
λ
2
) - (1 -
λ
2
)
) × 100 % o
f
range
A
ccuracy of power factor
λ
±
[(
λ
-
λ
/1.0002) +|cosØ -cos {Ø+ si
n
-
1
(in
fl
uence o
f
power
f
actor o
f
power when
λ
=
0%
/
100)}
|
] ±1 digit when voltage and current is at rated input of th
e
m
easurement ran
g
e.
Ø
is the phase difference of volta
g
e and current
.
A
ccuracy of phase angle
Ø
±
[|
Ø
– {cos-1 (
λ
/
1.0002)
|
+ sin
-1
{(in
fl
uence o
f
power
f
actor o
f
power when
λ
=
0%
)
/100
}]
de
g
±1 di
g
it, when volta
g
e and current is at the rated input of the
m
easuremen
t
range.
O
ne-
y
ear accurac
y
M
ultiply the reading error o
f
the six-month accuracy by a
f
actor o
f
1.
5
Fu
n
c
t
io
n
s
Measurement Functions and Conditions
I
te
m
S
peci
f
icatio
n
C
r
es
t f
ac
t
o
r
3
00
(
re
l
at
i
ve to t
h
e m
i
n
i
mum va
lid
i
nput
)
3
or 6
(
when inputtin
g
the rated values of the measurement ran
g
e
)
Measurement
p
erio
d
Interval
f
or determining the measurement
f
unction and per
f
orming calculations
.
•
The measurement period is set by the zero crossin
g
o
f
the re
f
erence si
g
na
l
(
synchronization source
)
excludin
g
watt hour WP and ampere hour q durin
g
DC mode
•
Harmonic dis
p
la
y
The measurement period is
f
rom the be
g
innin
g
o
f
the data update interval to 1024
or 8192 points at the harmonic samplin
g
frequency.
Wiring
1
P2W (single-phase, two-wire), 1P3W (single-phase, 3-wire), 3P3W (3-phase,
3
-wire
)
, 3P4W
(
3-phase, 4-wire
)
, 3P3W
(
3V3A
)
(
3-phase, 3-wire, 3-volt/3-amp
measurement
)
However, the number o
f
available wiring systems varies depending on the number o
f
i
nsta
ll
e
d
i
n
p
ut e
l
ements
.
S
calin
g
When inputtin
g
output from external current sensors, VT, or CT, set the current
sensor conversion ratio, VT ratio,
C
T ratio, and power coeffi cient in the range fro
m
0
.
0001
t
o
99999
.
9999.
A
vera
g
in
g
•
The avera
g
e calculations below are performed on the normal measurement
parameters of voltage U, current I, power P, apparent power
S
, and reactive power
Q.
P
o
w
e
r f
ac
t
or
λ
and phase an
g
le are determined by calculatin
g
the avera
g
e of P and S.
•
Select exponential or movin
g
avera
g
in
g.
E
xponent
i
a
l
avera
ge
Select an attenuation constant from 2 throu
g
h 64.
M
ov
i
n
g
avera
g
e
S
elect the number of averages from 8 through 64
.
•
H
a
rm
o
ni
c
m
easu
r
e
m
e
nt
O
nly exponential averaging is available
.
D
ata u
pd
ate rat
e
Select 50 ms
,
100 ms
,
200 ms
,
500 ms
,
1 s
,
2 s
,
5 s
,
10 s
,
or 20 s
.
Response tim
e
A
t maximum, twice the data update rate
(
only durin
g
numerical display
)
H
o
l
d
Holds the data dis
p
la
y
.
S
in
g
le
E
xecutes a s
i
n
gl
e measurement
d
ur
i
n
g
measurement
h
o
ld.
Zero level compensation/Null
C
ompensates the zero level. Null compensation range: ±10% of range
Null can be set individually for each of the followin
g
input si
g
nals
.
•
Voltage and current of each input element
•
Rotation s
p
eed and tor
q
u
e
•
AUX
1
a
n
d
AUX2
Frequency Measurement
I
t
em
Sp
eci
f
icatio
n
Number of measurement Select up to three frequencies of the volta
g
e or current input to the input elements
f
or measurement. I
f
the
f
requency option is installed, the
f
requencies o
f
the voltages
a
n
d
currents
b
e
i
ng
i
nput to a
ll
i
nput e
l
ements can
b
e measure
d
.
M
easurement met
h
o
d
R
ec
i
proca
l
met
h
o
d
Measurement range
D
ata u
p
date rate Measuring range
50
m
s
1
00 ms
200
m
s
500
m
s
1
s
2
s
5
s
1
0 s
20
s
4
5
H
z
)
f
)
1
MH
z
2
5 Hz
)
f
)
1MHz
1
2.
5
Hz
)
f
)
500
kHz
5
H
z
)
f
)
2
00
kH
z
2
.5 Hz
)
f
)
100 kHz
1
.2
5
Hz
)
f
)
50
kH
z
0
.
5
H
z
)
f
)
2
0
kH
z
0.25 Hz
)
f
)
10 kHz
0
.1
5
Hz
)
f
)
5
kH
z
A
ccurac
y
±
0.06% of readin
g
±0.1 mH
z
When the input si
g
nal level is 30% or more of the measurement ran
g
e
(60% or more
f
or crest
f
actor 6). However:
The input si
g
nal is 50% or more of the ran
g
e
.
•
The frequency is smaller or equal to 2 times of above lower frequenc
y
•
10 mA range setting o
f
5 A input element
•
1 A ran
g
e settin
g
of 50 A input element
The 100 Hz frequency fi lter is ON at 0.15 Hz to 100 Hz, and the 1 kHz frequency fi lter
i
s
O
N
a
t 1
00
Hz t
o
1 kHz.
Di
s
pl
a
y
reso
l
ut
i
o
n
99999
Min. frequency resolutio
n
0.0001 H
z
Fre
q
uenc
y
measurement
fi
lter
Select OFF
,
100 Hz or 1 kHz
Integration
I
t
em
Sp
eci
f
icatio
n
M
o
d
e Select a mode from Manual, Standard, Continuous
(
repeat
)
, Real Time Control
S
tandard, and Real Time
C
ontrol
C
ontinuous (Repeat).
(