Motors have arguably industrial revolution and key to enormous progress. Recent innovations in electric drives with ever increasing efficiency demand ever-increasing sophistication and amount of electric current monitoring.
Efficiency Measurements for Hybrid Electric Drives
The electrification of all ways of transit has meant a new need to calculate charging requirements and translation of electric motors into distance travels prior to needing re-charging, be it via plug-in or wirelessly.
Danisense Zero-Flux Current Transducers are used as ultra-precise measurement of current in power calculations. As a range extender for power analyzers, these allow for precise power measurements even for very large motors and inverters.
For leakage current measurement in test-stands for battery applications, Bergoz high sensitivity, large aperture, IPCT Current Transducers with dc to 3kHz frequency response appropriate for isolated measurement of low frequency common-mode resistive leakage currents on ac or motor drive cable assemblies.
PEM Common Mode Rogowski Coil, Clip-Around, Current Probe with frequency response from about 2kHz to 14MHz to measure capacitively coupled motor bearing currents generated by high voltage transients from variable speed motor drives.
For magnetic field measurement on permanent magnet and electric motors, Senis Hall-effect probes can measure single or three-axis fields in compact spaces common in both small and large motors with precision mapping of electromagnets and permanent magnet arrays for motors, generators and actuators.