HY7-P Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer HY7-P
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).
I_PN = 7.5 A
Electrical data
Primary nominal
r.m.s. current
I_PN (A)
7.5
Primary current
measuring range
I_P (A)
± 22.5
Primary
conductor
(mm)
∅1.0
Type
HY 7-P
V_C
I_C
Î_P
V_d
V_b
R _IS
V_OUT
R_OUT
R_L
Supply voltage (± 5 %)
± 15
V
Current consumption
± 10
mA
Overload capability (1 ms)
50 x I_PN
R.m.s. voltage for AC isolation test, 50/60Hz, 1 min 2.5
kV
R.m.s. rated voltage, safe separation
500¹⁾
V
Isolation resistance @ 500 VDC
> 1000 MΩ
Output voltage @ ± I_PN, R_L = 10 kΩ, T_A = 25°C
±4
V
Output internal resistance
100
Ω
Load resistance
>1
kΩ
Accuracy - Dynamic performance data
X
ε_L
V_OE
V_OH
V_OT
ε TC _G
t_r
di/dt
f
Accuracy @ I_PN, T_A = 25°C (without offset)
Linearity ²⁾ (0 .. ± I_PN)
Electrical offset voltage, T_A = 25°C
Hysteresis offset voltage @ I_P = 0;
after an excursion of 1 x I_PN
Thermal drift of V_OE
Thermal drift of the gain (% of reading)
Response time @ 90% of I_P
di/dt accurately followed
Frequency bandwidth ³⁾ (- 3 dB)
typ.
max.
<±1
%
< ± 1 % of I_PN
< ± 40
mV
< ± 15
mV
± 1.5 mV/K
±3
mV/K
< ± 0.1 %/K
<3
µs
> 50
A/µs
DC .. 50 kHz
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
m
Mass
Standards ⁴⁾
- 10 .. + 80 °C
- 25 .. + 85 °C
< 14
g
EN 50178
Features
• Hall effect measuring principle
• Galvanic isolation between primary
and secondary circuit
• Isolation voltage 2500 V~
• Compact design for PCB mounting
• Low power consumption
• Extended measuring range (3 x I_PN)
• Insulated plastic case recognized
according to UL 94-V0.
Advantages
• Easy mounting
• Small size and space savings
• Only one design for wide current
ratings range
• High immunity against external
interference
Applications
• General purpose inverters
• Switched-Mode Power Supplies
(SMPS)
• AC motor speed control
• Battery supplied applications
• Uninterruptible Power Supplies
(UPS)
• Power supplies for welding
applications.
Notes : ¹⁾ Pollution class 2, overvoltage category III
2) _{Linearity data exclude the electrical offset.}
3) _{Please refer to derating curves in the technical file to avoid excessive}
core heating at high frequency
4) _{Please consult characterisation report for more technical details and}
application advice.
981007/3
LEM Components
www.lem.com
Tope Co., Ltd. Tel: [phone] Fax: [phone] http://www.sensor.com.tw e-mail: [e-mail]