Current Transducer LA 205-T/SP16 I = 200 A

Current Transducer LA 205-T/SP16
IPN
=
200 A
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).
0622
Electrical data
IPN
IP
RM
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @ TA = 70°C
avec ± 15 V
avec ± 24 V
ISN
KN
VC
IC
Vd
200
0 .. ± 400
RM min
RM max
@ ± 200 A max
@ ± 400 A max
@ ± 200 A max
@ ± 400 A max
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 10 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
0
0
50
50
120
25
240
80
66.6
1 : 3000
± 15 .. 24
20 + IS
6 1)
1 2)
A
A
Ω
Ω
Ω
Ω
mA
V
mA
kV
kV
Accuracy - Dynamic performance data
XG
ε
Overall accuracy @ IPN , TA = 25°C
Linearity
L
± 0.8
< 0.1
IO
IOM
IOT
Offset current @ IP = 0, TA = 25°C
Residual current 3) @ IP = 0, after an overload of 3 x IPN
Thermal drift of IO
- 25°C .. + 75°C
Max
± 0.10
± 0.30
± 0.1 ± 0.25
tr a
tr
di/dt
f
Reaction time @ 10 % of IP max
Response time 4) @ 90 % of IPN
di/dt accurately followed
Frequency bandwidth (- 3 dB)
< 500
<1
> 100
DC .. 100
%
%
Typ
mA
mA
mA
ns
µs
A/µs
kHz
General data
TA
TS
RS
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @ TA = 75°C
Mass
Standards
- 25 .. + 75
- 40 .. + 85
70
270
EN 50155
°C
°C
Ω
g
Features
• Closed loop (compensated) current
transducer using the Hall effect
• Insulated plastic case recognized
according to UL 94-V0.
Special features
•
•
•
•
•
•
•
•
•
IP = 0 .. ± 400 A
K N = 1 : 3000
VC = ± 15 .. 24 (± 10 %) V
TA = - 25°C .. + 75°C
Shield between primary and
secondary
Connection to secondary circuit on
M4 threaded studs
Potted
VRT Burn-in
Railway equipment.
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
Notes :
1)
2)
3)
4)
Between primary and secondary + shield
Between secondary and shield
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/µs.
(SMPS)
• Power supplies for welding
applications.
060914/3
LEM Components
w w w .lem.com
Dimensions LA 205-T/SP16
(in mm. 1 mm = 0.0394 inch)
Front view
Left view
Connection
or
Top view
Mechanical characteristics
• General tolerance
• Fastening
by transducer
Fastening torque, max.
or
by the primary
• Connection of secondary
Fastening torque
Remarks
± 0.5 mm
2 holes ∅ 5.5 mm
2 M5 steel screws
4 Nm or 2.95 Lb. - Ft.
• IS is positive when IP flows in the direction of the arrow.
• Temperature of the primary conductor should not exceed
100°C.
2 holes ∅ 8.5 mm
M4 threaded studs
1.2 Nm or .88 Lb.-Ft.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.