ABB Industry Current Sensors Frame Mounting MP25P1- A&S Automation Co., Ltd

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Part Number: MP25P1

Overview

ABB unique

Closed loop Hall effect technology

ABB current sensors based on closed loop Hall effect technology are electronic

transformers. They allow for the measurement of direct, alternating and impulse

currents, with galvanic insulation between the primary and secondary circuits.

The primary current IP flowing across the sensor creates a primary magnetic flux.

The magnetic circuit channels this magnetic flux. The Hall probe placed in the

air gap of the magnetic circuit provides a voltage proportional to this flux.

The electronic circuit amplifies this voltage and converts it into a secondary current

IS. This secondary current multiplied by the number of turns NS of secondary

winding cancels out the primary magnetic flux that created it (contra reaction). The

formula NP x IP = NS x IS is true at any time. The current sensor measures

instantaneous values.

Features

Galvanic insulation between the

primary and secondary circuits.

Measurement of all waveforms is

possible: direct current, alternating

current, impulse, etc.

High accuracy over a large frequency

range (from direct to more than 100kHz).

High dynamic performance.

High overload capacities.

High reliability.

Application

Industry Field

Variable speed drives, Uninterruptible

Power Suppliers (UPS), active harmonic

filters, battery chargers, wind generators,

robotics, conveyers, lifts, cranes, solar

inverter, elevator, etc.

Traction field

Main converters, auxiliary converters

(lighting, air conditioning), battery chargers,

choppers, substations, mining, etc.

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