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CT10-T Schematic ( PDF Datasheet ) - LEM

Teilenummer CT10-T
Beschreibung Current Transducers CT 10-T
Hersteller LEM
Logo LEM Logo 




Gesamt 2 Seiten
CT10-T Datasheet, Funktion
Current Transducer CT 10-T
For very accurate measurements of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
Preliminary
IPN = 10 A
Electrical data
I
PN
IP
V
OUT
KN
R
L
CL
t
C
VC
I
C
Vd
Primary nominal r.m.s. current
Primary current, measuring range
Analog output voltage
Conversion ratio
Load resistance
Capacitance loading
Output short-circuit duration 1)
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
10
0 .. ± 15
5
10 A / 5 V
> 500
5
± 15
90 + V / R
OUT L
6
A
A
V
nF
s
V
mA
kV
Accuracy - Dynamic performance data
X G Overall accuracy @ I PN
V Offset voltage @ I = 0
OP
- 25°C .. + 70°C
T = 25°C
A
- 25°C .. + 70°C
± 0.1
Typ
Max
± 0.4
± 0.6
%
mV
mV
f Frequency bandwidth (- 3 dB) @ 10 % of I PN
DC .. 500
kHz
General data
TA Ambient operating temperature
T Ambient storage temperature
S
m Mass
Standards 2)
- 25 .. + 70
- 40 .. + 85
670
EN 50178
°C
°C
g
Notes : 1) If the short-circuit has a duration more than 1 s, the primary current of
the supply voltage must be interrupted for a short time to restore the
transducer to proper working order. The internal protection is done by
PTC resistors
2) A list of corresponding tests is available
Features
Closed loop (compensated) current
transducer
Insulated plastic case recognized
according to UL 94-V0
Patent pending.
Advanced features
f = 500 kHz
X G = ± 0.1 % (- 25°C .. + 70°C).
Advantages
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
Current overload capability.
Applications
AC variable speed drives and servo
motor drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
Switched Mode Power Supplies
(SMPS)
Power supplies for welding
applications.
980814/4
LEM Components
w w w .lem.com





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