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This paper presents modeling of the 500 kV transmission line located between Bang-Saphan 2 (BSP2) and Chom-Bung (CBG) substations, Thailand. The network is modeled based on the transient simulation program- PSCAD/EMTDC. The equivalent circuit of BSP2 and CBG is obtained from the actual parameters. The initial condition parameters are verified by PSS/E, an electrical simulation program. After the modeling...
This paper deals with a reduction method of output current ripples in a resonant switched-capacitor converter (RSCC) by applying an interleaving technique. Two RSCCs are connected in parallel and operated with their switching waveforms displaced by a half of the switching period. Application of a phase-shift control method to the RSCCs enables not only an equal current sharing between the RSCCs but...
This paper presents the output voltage regulation characteristics and the dynamic performance of an RSCC using a phase-shift control. The proposed phase-shift control realizes soft switching operation even if the output voltage was changed, and it achieves a higher conversion efficiency. A theoretical analysis shows that the RSCC can reduce its inductor volume compared with a buck converter when its...
This paper presents a phase angle control method of coil currents in a zone-control induction heating (ZCIH) system, which has split working coils on a work piece. The ZCIH system controls the amplitude of each coil current to make the temperature distribution on the work piece uniform. The coil currents should be adjusted to be in phase with each other to control the current amplitude in a wide range...
This paper deals with a new resonant gate-drive circuit for power MOSFETs. The proposed gate-drive circuit is characterized by a resonant inductor connected in series to the gate terminal of the MOSFET. It is possible to charge or discharge the input capacitance of the MOSFET by using the series resonance between the inductor and the input capacitance. Experimental results are shown to verify the...
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