Document
Current Transducers HTB 50 .. 400-P and HTB 50 .. 100-TP
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).
IPN = 50 .. 400 A
Electrical data
Primary nominal r.m.s. current IPN (A) 50 100 200 300 400 Primary current measuring range IP (A) ±150 ±300 ±500 ±600 ±600 Type
HTB 50-P, HTB 50-TP1) HTB 100-P, HTB 100-TP1) HTB 200-P HTB 300-P HTB 400-P
Features
• Hall effect measuring principle • Galvanic isolation between primary • Isolation voltage 2500V • Low power consumption • Wide power supply: ±12V to ±15V • Primary bus bar option for 50A and
100A version for ease of connection and secondary circuit
VC IC Vd RIS VOUT ROUT RL
Supply voltage (±5 %) 2) Current consumption R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Isolation resistance @ 500 VDC Output voltage @ ± IPN, RL = 10 kΩ, TA = 25°C Output internal resistance Load resistance
±12 .. ±15 V <±15 mA 2.5 kV >500 MΩ ±4 V 100 Ω ≥10 kΩ
Advantages
• Small size and space saving • Only one design for wide current
Accuracy - Dynamic performance data
ε
X
L
VOE VOH VOT TCε G tr f
Accuracy @ IPN, TA = 25°C (without offset) Linearity (0 .. ± IPN) Electrical offset voltage, TA = 25°C Hysteresis offset voltage @ IP = 0; after an excursion of 3 x IPN Thermal drift of VOE HTB 50-(T)P
HTB 100-(T)P..400-P
<±1 <±1 <±30
% of IPN % of IPN mV
• High immunity to external
interference.
ratings range
Thermal drift (% of reading) Response time @ 90% of IP Frequency bandwidth (0..-3 dB) 3)
<±1 % of IPN <±2.0 mV/K <±1.0 mV/K <±0.1 %/K <3 µs DC .. 50 kHz
Applications
• AC variable speed drives • Static converters for DC motor drives • Battery supplied applications • Uninterruptible Power Supplies • Switched Mode Power Supplies • Power supplies for welding
applications. (SMPS) (UPS)
General data
TA TS m Ambient operating temperature -20 .. +80 Ambient storage temperature -25 .. +85 Mass (-TP version) <30 (<36) 2 pins of Ø2mm diameter are available on transducer for PCB soldering. °C °C g
Notes : EN 50178 approval pending 1) -TP version is equipped with a primary bus bar. 2) Operating at ±12V ≤ Vc < ±15V will reduce measuring range. 3) Derating is needed to avoid excessive core heating at high frequency.
040720/9
LEM Components
www.lem.com
HTB 50 .. 400-P
Back view
39
Left view
Positive Current Flow
14 MAX.
34
d1 6
1.5
19.5
4-0.635x0.635
24.5 5.5
3.5
4321
Secondary Pin Identification
2-d2 Mounting Pins 7 11
3-P=2.5 6 +/-1
9 +/-1
Bottom view
10
19
3
1 2 3 4
+Vc -Vc Output 0V
HTB 50 .. 100-TP
Back view
39 14 MAX.
3
Left view
34
1.5
17
4-0.635x0.635
10
3-P=2.5 10.5 3 3 6.5 2 3.25
3.5
4 321
1.5 1.5
3.5
1.5
Positive Current Flow
6-1.5x1.5
Secondary Pin Identification 1 2 3 4 +Vc -Vc Output 0V
14
3
Bottom view
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
3
11
.