Showing 1–12 of 242 results
2.5 GB/s hybrid WDM/TDM PON using radio over ?ber technique Abstract? 2.5 GB/s hybrid WDM/TDM PON using radio over ?ber technique. Hybrid gigabit-passive optical network (GPON) is a hybrid passive optical network, where wavelength division multiplexing (WDM) GPON and time division multiplexing (TDM)-GPON are integrated into a single passive optical network, reducing cost and increasing…
3-D Face Recognition Under Occlusion Using Masked Projection Abstract?With advances in sensor technology, the three-dimensional (3-D) face has become an emerging biometric modality, preferred especially in high security applications. However, dealing with occlusions covering the facial surface is a great challenge, which should be handled to enable applicability to fully automatic security systems. In this…
A Bidirectional Three-level LLC Resonant Converter with PWAM Control Abstract? A bidirectional three-level LLC resonant converter with a new pulse width and amplitude modulation < PWAM > control method. With different control signals, it has three different operation modes with different voltage gains. Therefore, it can achieve wide voltage gain range by switching among these…
A cascaded Couple Inductor- Reverse high step up converter integrating three-winding coupled inductor and diode-capacitor technique Abstract-At the first place, introduces a cascaded high step up converter realized with a tightly coupled three-winding coupled inductor. Compared with existing high step up converters, the proposed converter features that the smaller the turns ratio is, the larger…
A Comparative Study of Power Supply Architectures in Wireless EV Charging Systems Abstract? A Comparative Study of Power Supply Architectures in Wireless EV Charging Systems. Two of the primary power supply architectures being predominantly used for wireless electric vehicle < Final Year Projects 2016 > EV charging, namely the series LC resonant (SLC) and the…
A Coordinated Control Approach for DC link and Rotor Crowbars to Improve Fault Ride-Through of DFIG based Wind Turbine Abstract– Nowadays, most double fed induction generators (DFIGs) based wind turbines are equipped with rotor crowbar connected in parallel with the rotor side converter (RSC). The parallel rotor side crowbar (PRSC) is used to protect the…
A Current Control Scheme of Brushless DC Motors Driven by Four-Switch Three-Phase Inverters Abstract-Based on brushless DC motors (BLDCM) driven by four-switch three-phase inverter (FSTPI), a current control scheme is proposed to reduce the current ripple of both normal conduction region and commutation region. Assuming c-phase winding is connected to the middle point of DC-link…
A Dual Active Bridge Based Single Phase AC to DC Power Electronic Transformer With Advanced Features Abstract-Power Electronic Transformers (PET) offer the advantage of size and weight reduction compared to line frequency transformers by operating at much higher frequencies than line frequency. In this paper, a push-pull based AC/DC PET has been proposed and analyzed….
A Dual Series-Resonant DC-DC Converter Abstract– A dual series-resonant DC-DC converter with zero voltage switching (ZVS) and zero current switching (ZCS) features is proposed in this paper. The topology consists of two switches and a clamping capacitor on the primary side of an isolating transformer. The two switches are operated in complementary mode under pulse…
A Four-Switch Three-Phase AC-DC Converter with Galvanic Isolation Abstract-A new single stage three-phase AC-DC converter with four switches and galvanic isolation is proposed in this paper. The new converter is simple and uses fewer switches than previously proposed AC-DC converters of the same type. It is a bridgeless converter that can operate with continuous input…
A Four-Switch Three-Phase AC-DC Converter with Galvanic Isolation Abstract-A new single stage three-phase AC-DC converter with four switches and galvanic isolation is proposed in this paper. The new converter is simple and uses fewer switches than previously proposed AC-DC converters of the same type. It is a bridgeless converter that can operate with continuous input…
A Highly Reliable and High Efficiency Quasi Single – Stage Buck – Boost Inveter Abstract? To regulate an output ac voltage in inverter systems having wide input dc voltage variation, a buck-boost power conditioning system is preferred. This paper proposes a novel high efficiency quasi single-stage single-phase buck-boost inverter. The proposed inverter can solve current…
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