Category Archives: Current Transducers
New High Bandwidth Current Sensors
The HOB-P High Bandwidth Current Sensors are the latest addition to PPM Power’s product range, which combine short response times and high bandwidth, ensuring precise current sensing even in the most challenging environments, with an operating temperature... Read more
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PCB Mounted Current Transducers for Enhanced Earth Leakage Monitoring
PPM Power's range of LEM PCB-mounted current transducers has expanded to now include the CDSR 0.07-NPDT model. The new model is a three phase unit offering discrete signal outputs, enabling a fast, simple and safe method of... Read more
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New EPOWERSYS Highest Precision Transducers
As the world transitions towards more sustainable energy solutions, the power sector faces the challenge of accommodating renewable sources and optimising energy distribution. The demand for high-precision current transducers has increased in response to the need... Read more
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Electrification of Automotive and Aerospace Sectors
Today’s power electronics development is being accelerated by the electrification of automotive and aerospace sectors. This industry transformation is creating significant demand for high quality, optimised solutions to realise high performance inverter and power converter designs. Electric... Read more
Posted in Capacitors, Current Transducers, Custom Systems, Resistors, Semiconductors
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LEM CDSR 0.07 Transducers Now Supporting Discrete Outputs
LEM has updated their range of CDSR 0.07-TP/NP current transducers with versions that offer discrete signal outputs, enabling a fast, simple and safe method of detecting and triggering the trip conditions if leakage current exceeds safe levels.... Read more
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Dual range current transducers for battery systems
PPM Power brings a new high precision dual range current transducer from LEM; the IT 205-S/SP1. This latest addition differs from LEM’s other IT series current transducers as it allows for ultra-high precision measurement of both... Read more
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LEM releases new HMSR miniature current sensors
LEM has released a new series of HMSR miniature current sensors, designed for AC and DC isolated-current measurement with ~1uS over current response times. The current sensors have a wide bandwidth of up to 300 kHz... Read more
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Current transducers: solid core, split core or Rogowski coil?
Power measurement systems generally implement contactless current sensors rather than shunts, because shunts cause power losses, installation challenges and potential safety issues. Contactless current sensors include: Solid-core transformers Split-core transformers Rogowski coils Solid-core current transformers Traditional solid-core... Read more
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LEM adds digital output to open-loop Hall-effect current transducers
LEM has now completed a range of open-loop Hall effect current transducers that provide a digital output. Used typically in drive applications, these new units provide nominal current measurements of 16A–250A rms at up to 12-bit resolution... Read more
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Tagged Current Transducers, digital-output, hall-effect, LEM, open-loop
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Which material for split-core current transformers: Ferrite, FeSi or FeNi ?
The choice of magnetic material used in a current transducer impacts the cost, size and weight, as well as performance aspects such as linearity, phase-shift and stability over temperature. Consequently, the choice of material depends on... Read more
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