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There is a variety of converter topologies applicable for switched reluctance machine. The simplicity, reliability, and suitability are key factors to consider for converter selection for the motor. The selection of switching schemes is also of worth importance for either converter selection. This paper presents the calculation method of switching losses in asymmetrical H-bridge converter for the...
This paper proposes an active current source gate drive (ACSD) method based on voltage controlled current source(VCCS) feedback control strategy for high-power IGBTs. Unlike the common voltage source gate drive, the proposed ACSD method provides constant drive current to charge and discharge an IGBT. With a large gate drive current, high switching speed and low switching losses can be achieved in...
Achieving good loss performance by high switching speed at low gate resistance is trading-off with the system's EMI behaviour. An evaluation platform has been developed to characterize 6-in-1 IGBT modules and to determine their dV/dt versus turn-on loss as function of the gate resistance. The electrical investigation concludes with a chart indicating the trade-off between turn-on switching loss versus...
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