Current sensing system for full-bridge pulse-width modulated inverter system
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United States of America Patent
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Apr 28, 2020
Grant Date -
Apr 20, 2017
app pub date -
Oct 19, 2016
filing date -
Oct 20, 2015
priority date (Note) -
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Abstract
According to one aspect, embodiments of the invention provide an inverter system including an input having a positive DC node and a negative DC node coupled to a DC power source to receive input DC power, an output coupled to a load to provide output AC power, a first inverter leg including a first and a second switching device, a second inverter leg including a third and a fourth switching device, the first inverter leg and the second inverter leg being adapted to convert the input DC power to the output AC power, a current sensor coupled to one of the negative and the positive DC node, and a controller assembly adapted to measure a current through the current sensor and determine an inductor current through an inductor coupled to the output, an input current, and an output current based at least on the current through the current sensor.
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