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In recent years, there has been active research on exhaust gas waste heat energy recovery for automobiles. Meanwhile, the use of solar energy is also proposed to promote on-board renewable energy and hence to improve their fuel economy. In this paper, a new thermoelectric-photovoltaic hybrid energy system is proposed and implemented for automobiles. The key is to newly develop the power conditioning...
The output power of the Wave Energy Conversion (WEC) system, such as AWS, varies, which may not satisfy the requirements of the grid code for the integration of wave generation into power grids. To deal with this issue, in this paper the Battery Energy Storage (BES) is applied to smooth the output power of the WEC. The BES is integrated to the converters of the WEC, and the controllers for the battery...
Different power generation schemes have been developed all over the world to cater the hotel load requirements of the train. Indian railway uses end-on generation (EOG) scheme for meeting the hotel load requirements of superfast Shatabdi Express Trains. This paper describes briefly EOG scheme and its drawbacks. A novel approach of head end power (HEP) for feeding the hotel load requirements is also...
Various power supply systems for NTT gigantic communication network which involves the world second largest number of telephone sets are described. As for the standard telecommunications power supply in Japan, -48 volts DC is used for switching systems, while -21 volts DC for carrier and radio communication systems and 200 volts AC for data communication systems. However, they are gradually forced...
New, improved and more reliable power sources will have to be developed if anticipated, space-oriented, requirements for higher power and longer life are to be satisfied. Conversion systems employing chemical, solar and nuclear energies are described and their prospects for further improvement discussed.
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