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The method of designing the monitoring system of high-power three-phase inverter based on CAN bus was well introduced. It can monitor remotely and control real-timely the operating parameters and status of high-power three-phase inverter. With experiments testified, it is low-cost, and of good real-time nature and high reliability.
The current is limited within a certain range with poor waveforms by fast response of hardware current limiting. The current limiting with software can produce good waveforms. The emphasis is the switch between the voltage loop and the current. In order to switch smoothly without shock waves, the traditional method is used to switch into the current loop, when current exceeds the upper limit point...
For the medium or low voltage high-current applications, combined three-phase inverter topology is presented and mathematical model in dq coordinates is built. Several current-limiting methods are commonly used. They have their own shortcomings. Thus, a new strategy of hardware blockage with instantaneous currents, combined by software current limit with the average current is presented. Using fast...
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