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Numéro de référence | LA150-P | ||
Description | Current Transducer LA 150-P | ||
Fabricant | LEM | ||
Logo | |||
1 Page
Current Transducer LA 150-P
IPN = 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).
Preliminary
Electrical data
IPN Primary nominal current
150 A
IP Primary current, measuring range
0 .. ± 200 A
RM Measuring resistance
TA = 70°C TA = 85°C
RM min RM max RM min RM max
with ±15V @± 200 A max
0 30
0 15 Ω
ISN Secondary nominal current
75 mA
KN Conversion ratio
1 : 2000
VC Supply voltage (± 5 %)
± 15 V
IC Current consumption
app 16 + ISN
mA
Vd
R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5
kV
Accuracy-Dynamic performance data
X
εL
IO
Iom
IOT
tr
di/dt
f
Accuracy @ IPN, TA = 25°C @± 15V (± 5 %)
< ± 1 % of IPN
Linearity (0 .. ± IPN)
± 0.25 % of IPN
Electrical offset current @IP = 0, @TA = 25°C Max. ± 0.2
mA
Residual current @ IP = 0,
after an excursion at 1x IPN
Max.± 0.15
mA
Thermal drift of IO
± 0.005 mA/K
Response time @ 90% of IP
<1 µs
di/dt accurately followed
> 200 A/µs
Frequency bandwidth (- 1dB)1)
DC .. 150 kHz
General data
TA Ambient operating temperature
TS Ambient storage temperature
RS Secondary coil resistance
m Mass
- 10 .. + 80 °C
- 15 .. + 85 °C
80 Ω
25 g
Notes : EN 50178 approval pending
1) Derating is needed to avoid excessive core heating at high frequency.
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
010118/2
LEM Components
www.lem.com
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Pages | Pages 2 | ||
Télécharger | [ LA150-P ] |
No | Description détaillée | Fabricant |
LA150-P | Current Transducer LA 150-P | LEM |
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