Download Voltage Transducer LV 25

Voltage Transducer LV 25-600/SP2
VPN =
600 V
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).
0639
Electrical data
VPN
VP
IPN
RM
Primary nominal r.m.s. voltage
Primary voltage, measuring range
Primary nominal r.m.s. current
Measuring resistance
with ± 12 V
with ± 15 V
ISN
KN
VC
IC
Vd
@ ± 600 V max
@ ± 900 V max
@ ± 600 V max
@ ± 900 V max
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test 1), 50 Hz, 1 mn
600
V
0 .. ± 900
V
10
mA
RM min
RM max
30
30
100
100
200
100
320
180
Ω
Ω
Ω
Ω
25
mA
600 V / 25 mA
± 12 .. 15
V
10 (@ ± 15 V) + IS mA
4.1
kV
Accuracy - Dynamic performance data
Features
• Closed loop (compensated) voltage
transducer using the Hall effect
• Transducer with insulated plastic
case recognized according to
UL 94-V0
• Primary resistors R and transducer
mounted on printed circuit board
128 x 60 mm.
Special features
• TA = - 30°C .. + 70°C
• Coated
• Railway equipment.
Advantages
XG
ε
Overall Accuracy @ VPN, TA = 25°C
Linearity
L
± 0.8
< 0.2
IO
IOT
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
+ 25°C .. + 70°C
- 30°C .. + 25°C
Max
± 0.15
± 0.10 ± 0.40
± 0.10 ± 0.50
tr
Response time @ 90 % of VPN
15
%
%
Typ
mA
mA
mA
µs
•
•
•
•
Excellent accuracy
Very good linearity
Low thermal drift
High immunity to external
interference.
Applications
• AC variable speed drives and servo
General data
motor drives
TA
TS
N
P
R1
RS
m
Note :
Ambient operating temperature
Ambient storage temperature
Turns ratio
Total primary power loss
Primary resistance @ TA = 25°C
Secondary coil resistance @ TA = 70°C
Mass
Standards
1)
- 30 .. + 70
- 40 .. + 85
2500 : 1000
6
60
115
60
EN 50155
°C
°C
W
kΩ
Ω
g
• Static converters for DC motor drives
• Uninterruptible Power Supplies
(UPS)
• Power supplies for welding
applications.
Between primary and secondary.
.
061005/2
LEM Components
w w w .lem.com
Dimensions LV 25-600/SP2
(in mm. 1 mm = 0.0394 inch)
Front view
Top view
Secondary terminals
Connection
Terminal + : supply voltage + 12 .. 15 V
Terminal M : measure
Terminal - : supply voltage - 12 .. 15 V
Mechanical characteristics
•
•
•
•
General tolerance
Fastening
Connection of primary
Connection of secondary
Remarks
± 0.3 mm
4 holes ∅ 4.3 mm
Faston 6.3 x 0.8 mm
Faston 6.3 x 0.8 mm
• IS is positive when VP is applied on terminal +HT.
• The primary circuit of the transducer must be linked to the
connections where the voltage has to be measured.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.