LA150-P_06 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer LA 150-P
I_PN = 150 A
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
46090
I
PN DC
I_PN
I
PM
R_M
I
S
I_SN
K
N
V_C
I
C
V_d
Primary continuous direct current (nominal)
150
A
Primary nominal current rms
106
A
Primary current, measuring range
0 .. ± 200 A
Measuring resistance
@ ±15V, ± 200 A _maxi
Secondary current
T_A = 70°C T_A = 85 °C
R R RR
M mini M maxi M mini M maxi
0 30
0 15 Ω
75
mA
Secondary nominal current rms
53
mA
Conversion ratio
1 : 2000
Supply voltage (± 5 %)
± 15
V
Current consumption
Rms voltage for AC isolation test, 50 Hz,1min
16 + I
mA
S
2.5
kV
Accuracy-Dynamic performance data
X
ε_L
I
OE
I_OM
I_OT
t
r
di/dt
BW
Accuracy @ I , T = 25°C, ± 15 V (± 5 %)
PN DC A
Linearity error (0 .. ± I_{PN DC})
Electrical offset current @ I = 0, T = 25°C
P
A
Magnetic offset current @ I_P = 0 and specified R_M ,
after an overload of 1 x I
PN DC
Temperature variation of I_O
Response time to 90% of I step
PN DC
di/dt accurately followed
Frequency bandwidth (- 1 dB)¹⁾
< ± 1 % of I
PN DC
± 0.25% of I_{PN DC}
< ± 0.2 mA
< ± 0.15 mA
< ± 0.005 mA
<1
µs
> 200 A/µs
DC .. 150 kHz
General data
T_A
Ambient operating temperature
T
Ambient storage temperature
S
R_S
Secondary coil resistance
m
Mass
Standards
- 10 .. + 80 °C
- 15 .. + 85 °C
80
Ω
25
g
EN 50178: 1997
Features
• Closed loop (compensation) current
transducer using the Hall effect
• Printed circuit board mounting
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 capacity
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
Application Domain
• Industrial
Notes :
1) _{Derating is needed to avoid excessive core heating at high frequency.}
0 6 111 0 / 7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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