LA100P datasheet(1/2 Pages) LEM

부품명	LA100P

상세설명	CURRENT TRANSDUCER LA 100-P

PDF	2 Pages

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제조업체	LEM [LEM]

홈페이지	http://www.lem.co.jp/HQ/en

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Current Transducer LA 100-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).

Electrical data

I

PN

Primary nominal r.m.s. current

100

A

I

P

Primary current, measuring range

0 .. ± 150

A

R

M

Measuring resistance @

T

A = 70°C

T

A = 85°C

R

M min RM max RM min RM max

with ± 12 V

@ ± 100 A

max

0

50

0

42

Ω

@ ± 120 A

max

0

22

0

14

Ω

with ± 15 V

@ ± 100 A

max

0

110

20

102

Ω

@ ± 150 A

max

0

33

20

25

Ω

I

SN

Secondary nominal r.m.s. current

50

mA

K

N

Conversion ratio

1 : 2000

V

C

Supply voltage (± 5 %)

± 12 .. 15

V

I

C

Current consumption

10(@ ±15 V) + I

S

mA

V

d

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

2.5

kV

Accuracy - Dynamic performance data

X

Accuracy @ I

PN , TA = 25°C

@ ± 15 V (± 5 %)

± 0.45

%

@ ± 12 .. 15 V (± 5 %)

± 0.70

%

ε

L

Linearity

< 0.15

%

Typ

Max

I

O

Offset current @ I

P = 0, TA = 25°C

± 0.10

mA

I

OM

Residual current 1) @ I

P = 0, after an overload of 3 x IPN

± 0.15

mA

I

OT

Thermal drift of I

O

- 25°C .. + 85°C

± 0.05 ± 0.25

mA

- 40°C .. - 25°C

± 0.10 ± 0.50

mA

t

ra

Reaction time @ 10 % of I

P max

< 500

n s

t

r

Response time 2) @ 90 % of I

P max

< 1

µs

di/dt

di/dt accurately followed

> 200

A/µs

f

Frequency bandwidth (- 1 dB)

DC .. 200

kHz

General data

T

A

Ambient operating temperature

- 40 .. + 85

°C

T

S

Ambient storage temperature

- 50 .. + 95

°C

R

S

Secondary coil resistance @

T

A = 70°C

120

Ω

T

A = 85°C

128

Ω

m

Mass

18

g

Standards 3)

EN 50178

Notes : 1) The result of the coercive field of the magnetic circuit

2) With a di/dt of 100 A/µs

3) A list of corresponding tests is available

Features

•Closed loop (compensated) current

transducer using the Hall effect

•Printed circuit board mounting

•Insulated plastic case recognized

according to UL 94-V0.

Advantages

•Excellent accuracy

•Very good linearity

•Low temperature drift

•Optimized response time

•Wide frequency bandwidth

•No insertion losses

•High immunity to external

interference

•Current overload capability.

Applications

•AC variable speed drives and servo

motor drives

•Static converters for DC motor drives

•Battery supplied applications

•Uninterruptible Power Supplies

(UPS)

•Switched Mode Power Supplies

(SMPS)

•Power supplies for welding

applications.

I

PN

=

100 A

980717/6

LEM Components

ww w .lem.com

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