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參數資料
| 型號： | CV4-4000 |
| 廠商： | LEM |
| 英文描述： | Voltage Transducer CV 4-4000 |
| 中文描述： | 電壓互感器簡歷4-4000 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 48K |
| 代理商： | CV4-4000 |
Voltage Transducer CV 4-4000
For the electronic measurement of voltages : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high voltage)
and the secondary circuit (electronic circuit).
Electrical data
V
PN
Primary nominal r.m.s. voltage
2828
V
V
P
Primary voltage, measuring range
0 .. ± 4000
V
V
S
Secondary analog voltage @ V
P max
10
V
K
N
Conversion ratio
4000 V / 10 V
R
L
Load resistance
≥ 2
k
C
L
Capacitive loading
≤ 5
nF
V
C
Supply voltage (± 5 %)
± 15
V
I
C
Current consumption
35 + V
S / R L
mA
V
d
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
9
kV
Accuracy - Dynamic performance data
Typ
Max
X
G
Overall accuracy @ V
P max
T
A = 25°C
± 1
%
- 25°C .. + 70°C
± 2
%
V
O
Offset voltage @ V
P = 0
T
A = 25°C
± 30
mV
- 25°C .. + 70°C
± 60
mV
t
r
Response time 1) @ 90 % of V
PN
25
s
f
Frequency bandwidth (- 3 dB) @ 50 % of V
PN
DC .. 11
kHz
General data
T
A
Ambient operating temperature
- 25 .. + 70
°C
T
S
Ambient storage temperature
- 40 .. + 85
°C
P
Total primary power loss
2.86
W
R
1
Primary resistance
2.8
M
m
Mass
600
g
Standards 2) 3)
EN 50155
EN 50178
Notes : 1) With a dv/dt of 1000 V/s
2) Specifications according to IEC 1000-4-3 are not guaranteed around
100 MHz. Sensitivity to induced radiation on connecting cable.
3) A list of corresponding tests is available.
Features
Closed loop (compensated) voltage
transducer
Insulated plastic case recognized
according to UL 94-V0
Patent pending.
Advantages
Very good linearity
Low thermal drift
Low response time
High bandwidth.
Applications
AC variable speed drives and servo
motor drives
Static converters for DC motor drives
Uninterruptible Power Supplies
(UPS)
Power supplies for welding
applications
Railway overhead line voltage
measurement.
V
PN
=
2828 V
000613/2
LEM Components
www.lem.com
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