Datasheet > LB500-S/SP1

LB500-S/SP1

更新时间： 2024-09-23 22:08:15

品牌	Logo	应用领域
莱姆 - LEM		传感器
页数	文件大小	规格书
2页	135K
描述
Current Transducer LB 500-S/SP1

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中文翻译

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数据手册

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LB500-S/SP1 数据手册

Current Transducer LB 500-S/SP1

I_PN= 500 A

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).

Preliminary

Features

Electrical data

· Closed loop (compensated) current

transducer using the Hall effect

· Insulated plastic case recognized

according to UL 94-V0.

I_PN

I_P

R_M

Primary nominal r.m.s. current

Primary current, measuring range

Measuring resistance

500

0 .. ± 750

R_{M min}

R_Mmax

with ± 15 V

@ ± 500 A _max

@ ± 750 A _max

Special features

· V_C= ± 15 (± 5 %) V

· K_N= 1 : 2500

I_SN

K_N

V_C

I_C

Secondary nominal r.m.s. current

Conversion ratio

Supply voltage (± 5 %)

Current consumption

R.m.s. voltage for AC isolation test, 50 Hz, 1 mn

200

1 : 2500

± 15

20+I_S

6 ¹⁾

· Low thermal offset drift with

temperature

· Better zero crossing performance

· T_A= + 10°C .. + 50°C

· Shield between primary and

secondary connected to V_C" -"

V_d

Accuracy - Dynamic performance data

Advantages

Accuracy @ I_PN,T_A= 25°C

Linearity

± 0.5

< 0.1

· Excellent accuracy

· Very good linearity

Typ Max

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

I_O

I_OT

Offset current @ I_P= 0, T_A= 25°C

Thermal drift of I_O

± 0.500 mA

± 0.064 mA

+ 10°C .. + 50°C

t_r

Response time ²⁾@ 90 % of I_PN

< 1

> 50

µs

A/µs

di/dt di/dt accurately followed

Frequency bandwidth (- 1 dB)

Zero crossing distortion

DC .. 150

kHz

negligeable

· Current overload capability.

General data

Applications

· AC variable speed drives and servo

motor drives

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies

(UPS)

T_A

T_S

R_S

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance @ T_A= 50°C

Mass

Standards

+ 10 .. + 50

- 25 .. + 85

670

EN 50178

°C

· Switched Mode Power Supplies

(SMPS)

· Power supplies for welding

applications

· HVDC transmisions.

Notes : Between primary and secondary.

With a di/dt of 100 A/µs

990803/2

LEM Components

www.lem.com

中文翻译

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