Analysis of Different Hall Effect Current Sensors for Space Applications

Current sensing is one of the most important functions in power electronic applications and space applications such as different power consuming modules of a spacecraft subsystem. In conventional current-sensing methods a resistor is inserted in the path of the current to be sensed. This method incurs significant power losses, especially when the current to be sensed is high. Hall Effect current sensors provide lossless and isolated currentsensing solution, by sensing the current without dissipating the power that passive resistors do. This work focuses on analysing the performance characteristics of few new types of Hall Effect current sensors available today. Also a comparative analysis is done by comparing the performance of certain new current sensors against the performance of the current sensor that is currently being used in satellite systems. The objective of such an analysis is to determine if the newly available Hall Effect current sensors could give better performance than the presently used one, so that it could be replaced for deriving performance and cost benefits. The performance characteristics are plotted and viewed in LabVIEW platform.

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