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LTC1000-T Datasheet

  • LTC1000-T

  • LEM [Current Transducer]

  • LEM   LEM

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Current Transducer LTC 1000-T
For the electronic measurement of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I
PN
=
1000 A
Electrical data
I
PN
I
P
脦
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range @ 24 V
Max overload not measurable
Measuring resistance
with 鹵 15 V
with 鹵 24 V
I
SN
K
N
V
C
I
C
V
d
V
e
@ 鹵 1000 A
max
@ 鹵 1200 A
max
@ 鹵 1000 A
max
@ 鹵 2000 A
max
1000
A
1)
0 .. 鹵 2400
A
10 / 10
kA/ms
R
M min
R
M max
0
0
0
0
15
7
50
7
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
mA
V
mA
kV
kV
kV
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0
鈥?/div>
Railway equipment.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (鹵 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
R.m.s. voltage for partial discharge extinction
200
1 : 5000
鹵 15 .. 24
< 30
(@鹵24V)
+
I
S
13.4
2)
1.5
3)
> 2.8
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capability.
Accuracy - Dynamic performance data
X
G
Overall accuracy @
I
PN
,
T
A
= 25擄C
@
I
PN
,
T
A
= - 40擄C .. + 85擄C
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Thermal drift of
I
O
Response time @ 90 % of
I
PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
4)
蔚
L
< 鹵 0.4
<鹵1
< 0.1
Max
鹵 0.5
鹵1
<1
> 100
DC .. 100
%
%
%
mA
mA
碌s
A/碌s
kHz
Applications
鈥?/div>
AC variable speed drives and servo
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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.
I
O
I
OT
t
r
di/dt
f
- 40擄C .. + 85擄C
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 85擄C
Mass
Standards
1)
2)
3)
4)
- 40 .. + 85
擄C
- 45 .. + 90
擄C
44
鈩?/div>
1270
g
EN 50155 (01.12.20)
鈥?/div>
Notes :
With a di/dt of > 5 A/碌s
Between primary and secondary + shield
Between secondary and shield
With a di/dt of 100 A/碌s.
030528/0
LEM Components
w w w.lem.com

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