6. Other
79
6.2.
Maximum Scale Value
Settable primary voltage, primary current, and standard maximum scale value are shown in the tables below.
●
Maximum scale value of each item
Measurement element
Maximum scale value
Current,
Current demand
Setting of current maximum
scale
＝
SP.
CT
Primary current
Voltage
In the
case
with VT
(Note 2)
1-phase 2-wire, 3-phase 3-wire
VT
Primary voltage
×150/110
3-phase 4-wire
VT
Primary voltage
(
Phase voltage
)×150/110
VT
Primary voltage
(
Line voltage
)
×√3×150/110
At direct
input
1-phase 2-wire,
3-phase 3-wire
110V
150V
220V
300V
440V
600V
1-phase 3-wire
(Phase voltage /
Line voltage)
110/220V
150V/300V
220/440V
300V/600V
3-phase 4-wire
(Phase voltage /
Line voltage)
63.5/110V
100/150V
100/173V,
110/190V
150/300V
220/380V,
230/400V,
240/415V,
254/440V
300/600V
277/480V
400/640V
Active power, Rolling demand W
(Note 1)
VT
ratio
×CT
ratio
×
specific power
(100
％
)kW
Reactive power, Rolling demand var (Note 1)
VT
ratio
×CT
ratio
×
specific power
(100
％
)kvar
Apparent power, Rolling demand VA (Note 1)
VT
ratio
×CT
ratio
×
specific power
(100
％
)kVA
Note
1: At direct voltage setting, VT ratio = 1. The specific power is according
to the table on the right.
Note
2: For convenience of scale, this is rounded off to the nearest whole
number.
●
Specific power value for scale calculation
Phase line
type
CT
Secondary
Rated voltage
Specific power
value (100%)
1-phase
2-wire
5A
At direct input
(
Line voltage
)
110V
0.5kW
220V
1.0kW
440V
2.0kW
In the case with VT
(
Line voltage
)
100V, 110V
0.5kW
220V
1.0kW
1A
At direct input
(
Line voltage
)
110V
0.1kW
220V
0.2kW
440V
0.4kW
In the case with VT
(
Line voltage
)
100V, 110V
0.1kW
220V
0.2kW
1-phase
3-wire
5A
Without VT
(
Line voltage
)
220V
1.0kW
440V
2.0kW
1A
220V
0.2kW
440V
0.4kW
3-phase
3-wire
5A
At direct input
(
Line voltage
)
110V
1.0kW
220V
2.0kW
440V
4.0kW
In the case with VT
(
Line voltage
)
100V, 110V
1.0kW
220V
2.0kW
1A
At direct input
(
Line voltage
)
110V
0.2kW
220V
0.4kW
440V
0.8kW
In the case with VT
(
Line voltage
)
100V, 110V
0.2kW
220V
0.4kW
3-phase
4-wire
5A
At direct input
63.5/110V
1.0kW
100/173V
110/190V
2.0kW
220/380V,
230/400V,
240/415V,
254/440V
4.0kW
277/480V
5.0kW
In the case with VT
(
Phase voltage
)
63.5V
1.0kW
100V, 110V,
115V, 120
Ｖ
2.0kW
1A
At direct input
63.5/110V
0.2kW
100/173V
110/190V
0.4kW
220/380V,
230/400V,
240/415V,
254/440V
0.8kW
277/480V
1.0kW
In the case with VT
(
Phase voltage
)
63.5V
0.2kW
100V, 110V,
115V, 120
Ｖ
0.4kW
Note: For reactive power or apparent power, read kW of above as kvar or
kVA.
