LV100-300_03 Datasheet, PDF (1/2 Pages) LEM – Voltage Transducer

Voltage Transducer LV 100-300
For the electronic measurement of voltages : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high voltage)
and the secondary circuit (electronic circuit).
V_PN = 300 V
Electrical data
V_PN Primary nominal r.m.s. voltage
V_P Primary voltage, measuring range
I_PN Primary nominal r.m.s. current
R_M Measuring resistance
with ± 15 V
@ ± 300 V _max
@ ± 450 V _max
I_SN Secondary nominal r.m.s. current
K _N Conversion ratio
V_C Supply voltage (± 5 %)
I_C
Current consumption
V_d R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
Accuracy - Dynamic performance data
εX G
L
Overall Accuracy @ V_PN , T_A = 25°C
Linearity
I_O
Offset current @ I_P = 0, T_A = 25°C
I_OT
Thermal drift of I_O
0°C .. + 70°C
t_r
Response time @ 90 % of V_PN
General data
T_A
Ambient operating temperature
T_S Ambient storage temperature
N
Turns ratio
P
Total primary power loss
R ₁ Primary resistance @ T_A = 25°C
R _S Secondary coil resistance @ T_A = 70°C
m Mass
Standards
300
V
0 .. ± 450
V
33.33
mA
R_{M min}
R_{M max}
0
170 Ω
0
90 Ω
50
mA
300 V / 50 mA
± 15
V
10 + I_S
mA
6
kV
± 0.7
%
< 0.1
%
Typ Max
± 0.2 mA
± 0.2 ± 0.3 mA
80
µs
0 .. + 70
°C
- 25 .. + 85
°C
3000 : 2000
10
W
9
kΩ
60
Ω
850
g
EN 50178
Features
• Closed loop (compensated) voltage
transducer using the Hall effect
• Insulated plastic case recognized
according to UL 94-V0
• Primary resistor R ₁ incorporated into
the housing.
Advantages
• Excellent accuracy
• Very good linearity
• Low thermal drift
• High immunity to external
interference.
Applications
• AC variable speed drives and servo
motor drives
• Static converters for DC motor drives
• Uninterruptible Power Supplies
(UPS)
• Power supplies for welding
applications.
LEM Components
030415/3
www.lem.com