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參數(shù)資料
| 型號： | NNC-930A |
| 廠商： | LEM |
| 英文描述： | Current Transducers NNC-920~960A |
| 中文描述： | 電流互感器國家營養(yǎng)- 920?960A |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 81K |
| 代理商： | NNC-930A |
Current Transducers NNC-920 .. 960A
For the electronic measurement of currents : DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit
(high power) and the secondary circuit (electronic circuit).
Electrical data
Primary nominal
r.m.s. current
I
PN
(A)
2000
3000
4000
5000
6000
Primary current
measuring range
I
P
(A)
±
2200
±
3300
±
4400
±
5500
±
6600
Type
NNC - 920A
NNC - 930A
NNC - 940A
NNC - 950A
NNC - 960A
V
C
I
C
V
d
V
b
V
R
IS
V
OUT
R
OUT
R
L
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn
R.m.s. rated voltage, safe separation
± 15
< ± 25
2.5
V
mA
kV
500
Isolation resistance @ 500 VDC
Output voltage @ ±
I
,
R
L
= 10 k
,
T
A
= 25°C
Output internal resistance
Load resistance
> 1000
± 10 V
100
10
M
k
Accuracy - Dynamic performance data
X
G
e
L
V
OE
V
OH
Accuracy @
T
A
= 25°C
Linearity
(0 .. ±
I
)
Electrical offset voltage,
T
= 25°C
Hysteresis offset voltage @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
V
Thermal drift of the gain (% of reading)
Response time @ 90% of
I
P
< ± 1
< ± 1
< ± 50
% of
I
PN
% of
I
mV
< ± 50
< ±
1
< ±
0.1 %/°C
< 25
mV
V
OT
TC
e
G
t
r
mV/°C
μs
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
- 10 .. + 60
- 15 .. + 65
1.4
°C
°C
kg
I
PN
= 2000 .. 6000 A
Features
Hall effect measuring principle
Galvanic isolation between primary
and secondary circuit
Isolation voltage 3000 V~
Low power consumption
Advantages
Easy mounting
Space saving
High immunity to external
interference.
Applications
AC variable speed drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
Notes : Linearity data exclude the electrical offset.
www.nanalem.co.jp
010301/1
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