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Current sensors and Voltage sensors

Current sensors and Voltage sensors

Product catalog summary

Overview: The document provides a comprehensive overview of sensor technologies for current and voltage measurement, focusing on open loop and closed loop Hall effect technologies, split core technology, and optical voltage transducers. It details specifications, applications, and features, highlighting advantages and industry applications.

Open Loop Technology: Open loop Hall effect sensors measure direct, alternating, and impulse currents with galvanic isolation. They offer a wide range of primary current apertures, PCB or panel mounting options, and compact packaging. Advantages include good accuracy over a medium frequency band, reduced weight and volume, and low power consumption. Applications include variable speed drives, UPS, battery chargers, and solar inverters.

Closed Loop Technology: Closed loop Hall effect sensors provide high accuracy and fast response time, with galvanic isolation between primary and secondary circuits. They are suitable for measuring all waveforms and offer excellent dynamic performance. Applications include variable speed drives, UPS, wind generators, and railway systems.

Split Core Technology: Used in railway applications, this technology allows easy clamping onto primary conductors, supporting a wide range of current ratings and suitable for retrofit applications.

Voltage Sensor Technology: The document discusses closed loop voltage transducers and optical voltage transducers. Closed loop transducers offer high accuracy and safety isolation, suitable for high voltage measurements. Optical transducers provide very good accuracy, low power consumption, and high immunity to electromagnetic disturbances, ideal for variable speed drives and railway systems.

Applications and Features: Various sensor series and their specifications are listed, including mounting options, rated current, and supply voltage. The importance of choosing the right sensor based on application requirements is highlighted.

Product Families and Specifications: The document details several product families, such as the HJB, HJA, HL, HS, HB, HD, HSS, and HSM series, each with specific current ratings, supply voltages, and applications.

Key Electrical and Mechanical Characteristics: Maximum supply voltage, output voltage and current specifications, temperature coefficients, reaction times, and frequency bandwidths are specified to ensure precise performance under varying conditions. Insulation resistance and RMS voltage ratings are highlighted for safety and reliability.

Standards and Compliance: All products comply with EN 50178: 1997, ensuring they meet necessary safety and performance standards for industrial applications.

Specifications: Clearance and creepage distances, temperature ratings, mass, product codes, and current ratings are detailed. Electrical characteristics such as supply voltage, output voltage, burden resistance, frequency bandwidth, and linearity error are provided.

Connection Diagrams: Pin configurations vary by model, typically including VCC, GND, and Output pins.

Applications: Suitable for industrial applications, including AC/DC current measurement, variable speed drives, static converters, battery applications, UPS, SMPS, and welding power supplies.

Standards Compliance: Models comply with standards such as EN55011, EN61000-4-2, EN61000-4-3, and EN61000-4-8.

Key Parameters: Maximum supply voltage, insulation resistance, RMS voltage for AC insulation test, and comparative tracking index are specified.

Performance Metrics: Overall accuracy, reaction time, and di/dt capability are detailed.

Closed-Loop Current Sensors: Specifications for various closed-loop current sensors are provided, including primary current range, overall accuracy, and compliance with standards like EN55011 and EN50178.

Voltage Sensors: Specifications for voltage sensors, including primary nominal current, measuring range, supply voltage, overall accuracy, linearity error, frequency bandwidth, and response time, are detailed.

Mechanical Characteristics: Creepage and clearance distances, mass, and connection diagrams are provided for installation purposes.

Applications: Suitable for a wide range of industrial applications, including motor drives, power supplies, and battery systems, providing accurate current and voltage measurement across various conditions.

Catalog excerpts

Current and Voltage Sensors Investigate Ideate Define Prototype Test Deliver

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Range Overview Closed Loop Technology Open Loop Technology Voltage Sensor Technology

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Range Overview Split Core Technology Railway Application

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Outline / Applications / FeaturesClosed Loop Hall Effect Technology Electrohms current sensors based on closed loop Hall effect technology measure direct, alternating and pulse currents with galvanic insulation between the primary and secondary circuits. A magnetic flux created by the primary current IP is nulled by driving a current through the secondary windings and creating a complementary flux. A hall element placed in the air gap of the magnetic circuit along with additional circuitry produces a compensating current in the secondary winding that propotionally replicates the primary current....

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Outline / Applications / FeaturesOpen loop Hall effect technology Key factors affecting the bandwidth performance are core geometry, number and thickness of the laminations, type of core material and circuitry used. In some of our designs we use the latest generation of ASICs which has substantially improved bandwidth performance. Principle Electrohms current sensors based on open loop Hall effect technology measure of direct, alternating and impulse currents, with galvanic isolation between the primary and secondary circuits The primary current lp flowing in the sensor creates a propotional...

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Outline / Applications / FeaturesClosed Loop Voltage Transducers (C/L)l L._J The input voltage is dropped across a voltage divider and very small current limited by a series resistor is driven through the primary of a coil. A magnetic flux created by the primary current is nulled by driving a current through the secondary windings and creating a compensating flux. A hall element placed in the air gap of the magnetic circuit along with additional circuitry produces a compensating current in the secondary winding that propotionally replicates the primary current which is an exact representation...

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Outline / Applications / Features Optical Voltage Transducers The measured voltage, VP, is applied directly to the sensors primary connections through a resistor network followed by signal conditioning circuitry into a high isolation, precision optical amplifier stage. The isolated output is amplified through a precision linear circuit producing an output signal which is completely isolated from the primary and is an exact representation of the input voltage. The power conditioning circuits feeding the optical stage is designed with an even higher isolation to the signal circuitry to ensure adequate...

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Applications of Current Sensors Sensor family

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Open Loop Current Sensors Main Specification Series Technology used Mounting Rated Supply current Voltage Open Loop Open Loop Open Loop Open Loop Open Loop Open Loop

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Closed Loop Current Sensors Main Specification Family Technology Used Mounting Primary Conductor Rated current Supply Voltage Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Close Loop Flange Flange Close Loop Close Loop Close Loop Close Loop

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Split Core Current Sensor

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Voltage Sensors

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HL Family030...600A, Open Loop Standard Industrial applications, current measuring of all waveforms AC, DC . 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 suppliers for welding applications Connection Diagram Input Output Characteristics

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Solutions for a connected, electric world

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HS Family 050...600A, Open Loop Standard Industrial applications, current measuring of all waveforms AC, DC . 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 suppliers for welding applications Connection Diagram Input Output Characteristics

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Name +VCC (+V) -VCC (-V) Output (O/P) GND (0)

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HS Family050...600A, Open Loop Standard Industrial applications, current measuring of all waveforms AC, DC . 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 suppliers for welding applications

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ELECtruhms Solutions for a connected, electric world Dimensions in mm

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050...400A, Open Loop, 4 - 20mA Output Industrial applications, current measuring of all waveforms AC, DC . 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 suppliers for welding applications Comal IciJYt' Electrical data Connection Diagram Input Output Characteristics

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Name -Output (-O/P) +Output(+O/P) GND (0V) Supply (+VCC)

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HD Family 100...1000A, Open Loop Standard Industrial applications, current measuring of all waveforms AC, DC RqHS V AC variable speed drives and servo motor drives ^ cnn.jinuvfvf Static converters for DC motor drives Battery supplied applications Uninterruptible Power Supplies (Ups) Switched Mode Power Supplies (SMPS) Power suppliers for welding applications Connection Diagram Input Output Characteristics

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ELECtruhms Solutions for a connected, electric world Dimensions in mm Tolerance: ±0.5mm

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HSS Family 200...1500A, Open Loop Industrial applications, current measuring of all waveforms AC, DC 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 suppliers for welding applications Product Code Electrical data Connection Diagram Input Output Characteristics

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ELECtruhms Solutions for a connected, electric world Dimensions in mm

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Industrial applications, current measuring of all waveforms AC, . 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 suppliers for welding applications Connection Diagram Input Output Characteristics

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Current sensors and Voltage sensors

Current sensors and Voltage sensors

Catalog excerpts

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