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This paper presents the touch current (TC) suppression for the semiconductor-based galvanic isolation (SGI) solution. The solution achieves galvanic isolation by utilizing semiconductor switches to deliver differential-mode (DM) power during their ON states, while sustaining common-mode (CM) isolation voltage and blocking CM leakage current during their OFF states. In this solution, TC is resulted...
This paper presents a 15kV silicon carbide (SiC) MOSFET gate drive, which features high common-mode (CM) noise immunity, small size, light weight, and robust yet flexible protection functions. To enhance the gate-drive power reliability, a power over fiberbased isolated power supply is designed to replace the traditional design based on isolation transformer. It delivers the gate-drive power by laser...
This paper presents a 15 kV SiC MOSFET gate drive circuit, which features high common-mode (CM) noise immunity, small size, light weight, and robust yet flexible protection functions. To enhance the gate-drive power reliability, a power over fiber (PoF) based isolated power supply is designed to replace the traditional design based on isolation transformer. It delivers the gate-drive power by laser...
This paper presents a new low-power adiabatic logic structure called Clocked CMOS Adiabatic Logic (CCAL), which is based on the Clocked CMOS logic. CCAL is powered by two complementary sinusoidal supply clocks. To demonstrate the energy efficiency of CCAL, eight-inverter chain is simulated to show the energy comparison among CCAL, Quasi-Static Energy Recovery Logic (QSERL) and conventional static...
Due to the small fault current and unstable arc, the fault location problem of low power coal mine phase-to-ground fault has not got thoroughly solved. The existed leakage judging method of coal mine low voltage distribution network has the disadvantages of large error and long action time, so it is unfavorable for safety operation. This paper give a new methods which based on the model parameter...
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