Datasheet > LV25-800

LV25-800

更新时间： 2024-09-17 22:17:39

品牌	Logo	应用领域
莱姆 - LEM		/
页数	文件大小	规格书
2页	81K
描述
Voltage Transducer LV 25-800

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中文翻译

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数据手册

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LV25-800 数据手册

Voltage Transducer LV 25-800

V_PN= 800 V

For the electronic measurement of voltages : DC, AC, pulsed...,

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

and the secondary circuit (electronic circuit).

Electrical data

V_PN

V_P

I_PN

Primary nominal r.m.s. voltage

Primary voltage, measuring range

Primary nominal r.m.s. current

Measuring resistance

800

0 .. ± 1200

Features

· Closed loop (compensated) voltage

transducer using the Hall effect

· Transducer with insulated plastic

case recognized according to

UL 94-V0

· Primary resistor R ₁and transducer

mounted on printed circuit board

128 x 60 mm.

R_M

R_{M min}

R_Mmax

with ± 12 V

@ ± 800 V_max

100

200

100

320

180

@ ±1200 V_max

@ ± 800 V_max

@ ±1200 V_max

with ± 15 V

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 ¹⁾, 50 Hz, 1 mn

800 V / 25 mA

± 12 .. 15

10 (@±15V)+I_SmA

Advantages

V_d

4.1

· Excellent accuracy

· Very good linearity

· Low thermal drift

· High immunity to external

interference.

Accuracy - Dynamic performance data

X_G

Overall Accuracy @ V_PN, T_A= 25°C

Linearity

± 0.8

< 0.2

Applications

Typ

Max

± 0.15 mA

I_O

I_OT

Offset current @ I_P= 0, T_A= 25°C

Thermal drift of I_O

· AC variable speed drives and servo

motor drives

· Static converters for DC motor drives

· Uninterruptible Power Supplies

(UPS)

- 25°C .. + 25°C

+ 25°C .. + 70°C

± 0.10 ± 0.60 mA

t_r

Response time @ 90 % of V_{P max}

µs

· Power supplies for welding

applications.

General data

T_A

T_S

Ambient operating temperature

Ambient storage temperature

Turns ratio

Total primary power loss

Primary resistance @ T_A= 25°C

- 25 .. + 70

- 40 .. + 85

2500 : 1000

110

°C

R₁

R_S

Secondary coil resistance @ T_A= 70°C

Mass

Standards

EN 50178

Notes : Between primary and secondary

A list of corresponding tests is available

980909/2

LEM Components

www.lem.com

中文翻译

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