Datasheet > CT50-T

CT50-T

更新时间： 2024-10-28 22:28:51

品牌	Logo	应用领域
莱姆 - LEM		电流互感器
页数	文件大小	规格书
2页	58K
描述
Current Transducers CT 50-T

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中文翻译

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数据手册

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CT50-T 数据手册

Current Transducer CT 50-T

I_PN= 50 A

For very accurate measurements of currents : DC, AC, pulsed...,

with a galvanic isolation between the primary circuit (high power)

and the secondary circuit (electronic circuit).

Preliminary

Electrical data

I_PN

I_P

Primary nominal r.m.s. current

Primary current, measuring range

0 .. ± 75

50 A / 5 V

> 500

£ 5

Features

V_OUTAnalog output voltage

· Closed loop (compensated) current

transducer

· Insulated plastic case recognized

according to UL 94-V0

K_N

R_L

C_L

t_C

V_C

I_C

Conversion ratio

Load resistance

Capacitance loading

Output short-circuit duration ¹⁾

Supply voltage (± 5 %)

± 15

· Patent pending.

Current consumption

90 + V_OUT/R_LmA

Advanced features

V_d

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

· f = 500 kHz

· X_G= ± 0.1 % (- 25°C .. + 70°C).

Accuracy - Dynamic performance data

Advantages

X_G

V_O

Overall accuracy @ I_PN

Offset voltage @ I_P= 0

- 25°C .. + 70°C

± 0.1

Typ

· Excellent accuracy

· Very good linearity

Max

T_A= 25°C

- 25°C .. + 70°C

± 0.4 mV

± 0.6 mV

· Low temperature drift

· Optimized response time

· Wide frequency bandwidth

· No insertion losses

· High immunity to external

interference

Frequency bandwidth (- 3 dB) @ 10 % of I _PN

DC .. 500

kHz

General data

· Current overload capability.

T_A

T_S

Ambient operating temperature

Ambient storage temperature

Mass

- 25 .. + 70

- 40 .. + 85

670

°C

Applications

· AC variable speed drives and servo

motor drives

Standards

EN 50178

· Static converters for DC motor drives

· Battery supplied applications

· Uninterruptible Power Supplies

(UPS)

· Switched Mode Power Supplies

(SMPS)

· Power supplies for welding

applications.

Notes : If the short-circuit has a duration more than 1 s, the primary current of

the supply voltage must be interrupted for a short time to restore the

transducer to proper working order. The internal protection is done by

PTC resistors

980814/5

A list of corresponding tests is available

LEM Components

www.lem.com

中文翻译

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