Current sensor - Accurate Current Sensing
Product Introduction
STD designs alternating current (AC) and direct current (DC) sensors for industrial and automotive applications such as electric vehicles (EVs)， hybrid electric vehicles (HEVs)， battery electric vehicles (BEVs)， and plug-in hybrid electric vehicles (PHEVs) using Hall effect technology. Current sensors allow us to measure the power used by various components, such as motors, which are essential in optimizing motor performance and metrology applications. Our current sensors track DC and AC currents up to 10kHz with high accuracy and low phase shift.
Standards
IEC/EN61869-1. IEC/EN61869-2
Advantages
Certified lead free
Low hysteresis
High linearity
Flexible installation options
Dc and AC compatible
Hall-sensor measurement
Undisturbed sensing
Wide current range available from 25 to 2000 A
Product Line Overview and Key Features
Bus-mounted current sensors: These sensors are designed for direct installation onto busbars, allowing for the measurement of high currents. They are available in a range typically from 250 A to 1500 A. Various customization options are available, such as calibration and analog output ranges, enabling integration into specific systems. These solutions can achieve measurement accuracy typically up to 1%.
PCB-mounted current sensors: Primarily focused on AC applications, these sensors can be mounted directly onto printed circuit boards (PCBs) or housed in stand-alone mounting packages. They are available in current ranges typically from 200 A to 1000 A. Standard current ranges are offered, along with custom-specific calibrations to meet exact application limitations. These sensors also offer measurement accuracy typically up to 1%.
Clamp-on current sensors: These sensors utilize magnetic field concentrators for non-invasive and isolated current measurement. Their clamping design allows for easy installation onto existing cables without requiring the electrical circuit to be interrupted or cut. They are suitable for measuring currents up to 200A. These sensors are characterized by superior material properties in their ferromagnetic shields, such as high linearity and extremely low hysteresis, contributing to accurate and undisturbed sensing.
Critical sensing systems/Advanced modules: These are more complex sensing modules specifically designed for monitoring multiple critical parameters in highly complex applications. They provide superior capabilities for accurate measurement in systems where electrical isolation is required. These systems offer a range of supports, such as optimizing battery charging, improving battery life, promoting high battery capacity, and collectively improving overall system performance, particularly relevant in complex battery management systems in EVs/HEVs.
Core and guard components: These are fundamental components of current sensors. The magnetic core is used to concentrate magnetic flux generated by the current being measured, while shielding (guard) protects the sensor element from external magnetic fields that could interfere with the measurement. CTS offers these components in a variety of sizes and materials, with additional features to facilitate easy installation.
Application
1. Install a current sensor on the bus
These sensors range from 250-1500 A and can be mounted directly on the bus. Various customization options are available, such as calibration and analog output ranges. Our engineers can work with your team to create sensors that fit the limitations of your application. This range of sensing solutions can be accurate to 1%.
2. Install the current sensor on the PCB
These AC products range from 200-1000 A and can be mounted directly on the board or in stand-alone mounting packages. A variety of standard current ranges as well as custom specific calibrations are available. Our engineers can work with your team to create sensors that fit your exact application limitations. This range of sensing solutions can be accurate to 1%.
3. Clamp the current sensor
Our magnetic field concentrators are designed for non-invasive and isolated measurement of currents up to 200A. Thanks to their clamping design, these non-contact current sensors can be installed safely without interrupting or cutting the cable. They consist of soft ferromagnetic shields with superior material properties such as high linearity and extremely low hysteresis.
4. Critical sensing systems
Monitoring multiple parameters ensures safe and durable operation in highly complex applications. Our advanced sensing modules are specifically designed to handle these complex systems and provide superior capabilities to accurately measure critical parameters. These electrical isolation systems have a range of supports, such as optimizing battery charging, improving battery life, promoting high battery capacity, and collectively improving performance.
5. Core and guard
The two most important components of a current sensor are the magnetic core and shielding, which are used to concentrate magnetic flux and protect the sensor from external magnetic fields. CTS is available in a variety of sizes and materials as well as additional features to make installation easy.
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