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This work is focused upon power electronic motor-driven scooter with a new EDLC (Electric Double Layer Capacitor) on board charger. This electric scooter is eco-friendly and high performances. In addition, it is effective method suitable for global environmental issues and energy concerned problems. This paper mainly deals with an EDLC based-electric scooter and its unique super-rapid pulse charging...
This paper deals with attractive voltage-source single-ended sub-resonant high-frequency (HF) inverter as a simple wireless power transfer (WPT) based on unidirectional inductive power transfer (IPT) in addition to bidirectional HF converter as transmitter and receiver of WPT is developed for vehicle to home (V2H) smart energy management architecture. Firstly, the voltage source single-ended sub-resonant...
In recent years, the wireless EV chargers have been spotlighted as convenient, safe, and clean apparatus. In this paper, proposed has been a newly developed large-gap wireless power transfer EV charger which can communicate control signal to a power feeding unit from a power receiving unit without any additional communication equipment. The wireless power transfer (WPT) system with a single-ended...
In this study, we focused on an electric motorcycle system with onboard innovative charger using ultracapacitor (EDLC). The electric two-wheel scooter is an excellent performance and environmentally friendly. Moreover, it's just an effectual solution suitable for energy resource issues and the global environment. This paper discusses with the electric motorcycle using EDLC and an innovative pulse...
This paper deals with attractive voltage-source single-ended sub-resonant HF inverter as a simple wireless power transfer (WPT) based on unidirectional IPT in addition to Dual Active HF inverter and HF rectifier as transmitter and receiver of WPT is developed for bidirectional EV2H smart energy management architecture. Firstly, the voltage source single-ended sub-resonant HF inverter using a single...
In this paper, Lyapunov law based model predictive control scheme is proposed for the grid integration of 3L-neutral point clamped (NPC) inverter. Lyapunov law based cost function, which aims to select the optimal voltage vector using system discrete model equations just once in each control cycle is able to reduce the current tracking error. Thus, low THD symmetrical current is injected to the utility...
Recently, the wireless EV chargers have been spotlighted because of safe, and easy use apparatus. Proposed has been a newly developed large-gap wireless power transfer EV charger which can communicate control signal to a power feeding from a secondary side with no communication equipment. The SEPP inverter WPT apparatus is designed for large-gap loose-coupling condition by characteristic-impedance...
In recent years, as an eco-friendly EV charging system, the wireless charging has become a topic due to the merits such as convenient, safety, and clean. In this paper, in order to realize a large-gap wireless charger which can communicate between the power feeding and receiving units without any additional communication device, a wireless power transfer (WPT) system using a single-ended push-pull...
This work is focused upon power electronic motor-driven scooter and its related new EDLC (Electric Double Layer Capacitor) charger. The electric scooters are eco-friendly, high performances and more convenient. In addition, it is effective method suitable for global environmental issues and energy concerned problems. This report mainly deals with an EDLC based-electric scooter and a unique pulse super-rapid...
This paper is mainly about the efficiency and leakage magnetic field of five types of power transfer coils with different structures in a magnetic resonant WPT system with a single-ended inverter. Five pairs of square coils have been formed, so as to compare the efficiency and magnetic field reducing effects by simulation.
This study aims to elucidate industrial performance of a recently developed SiC power module constituting of a pair of switches (two in one type, maximum rating 1200V/120A) for two types of high frequency inverters. They operates at 100kHz for induction heating applications. Firstly, a conventional voltage fed full-bridge type high frequency inverter bread board is prepared feeding 3kW output power...
This paper presents a novel prototype of a time-sharing frequency doubler principle-based current-fed zero current soft-switching (ZCS) high frequency resonant (HF-R) inverter for inductive power transfer (IPT) systems. The newly-proposed ZCS HF-R inverter is suitable for producing a higher frequency resonant current with switching power loss reduction by using a middle-class switching frequency insulated-gate-bipolar-power...
Recently renewable energy has attracted a lot of attention and solar power generation systems and wind power generation systems are widely used as public eco-awareness increases. Generally inverters are used in such power generation systems. They need high efficiency. Multi-level technique improves efficiency of inverters.
This paper presents a small-scale wind energy conversion system(WECS) with lead-acid batteries used for mitigating the resulting power fluctuations due to the wind speed variations. The low cost, high efficiency and great availability thin plates pure lead (TPPL) acid batteries are directly connected in series to the DC link to maintain the integrated wind power delivered to the grid constant using...
This paper presents a novel prototype of a timesharing frequency doubler principle-based current-fed zero current soft-switching (ZCS) high frequency resonant (HF-R) inverter for inductive power transfer (IPT) systems. The newly-proposed ZCS HF-R inverter is suitable for producing a higher frequency resonant current with switching power loss reduction by using a middle-class switching frequency insulated-gate-bipolar-power...
This paper presents a new conceptual circuit topology of a high efficiency single-phase sinewave PV power conditioner with a compact intermediate film capacitor DC link stage. It consists of time-sharing partial sinewave absolute pulse width modulated boost chopper with auxiliary bypass diode in the first power processing stage and time-sharing partial sinewave pulse width modulated polarity changing...
This paper deals with a cost effective IPT wireless EV battery charger which incorporates the simplest quasi-resonant soft switching pulse modulated inverter. In the first place, the operating principle of the single-ended high-frequency resonant inverter linked IPT DC-DC converter treated here is described. This two planar coupling coils type wireless resonant DC-DC converter can efficiently operate...
Feedforward control is reliable for rejecting fast and dynamic voltage disturbances in the grid. Mainly this scheme is implemented based on phase voltages of the wye connected configuration. Under unbalanced and distorted grid-condition, the online conversion of line-to-line values into the phase values is unworkable. In order to exploit full advantages of feedforward controller, an appropriate modulator...
This paper presents an improved single-stage type single-ended push pull (SEPP) high frequency inverter for induction heating applications. It unifies a boost-type PFC power converter and a ZVS-SEPP high frequency inverter operating at a fixed frequency. On the other hand, conventional dual stage half-bridge high frequency inverters have PFC converters at the preceding stage followed by SEPP high...
Electric vehicles (EV) offer promise as an effective solution to environmental problems. One of the keys to their successful diffusion is the provision of adequate battery charging infrastructure. In order to create a charging infrastructure by installing equipment in such as locations as carports in private homes, the wireless battery charging system is very suitable. EVs can be used in smart house...
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