Hybrid AC/DC microgrids facilitate the procedure of DC power connection into the conventional AC power system by developing the distributed generations (DGs) technologies. The conversion processes between AC and DC electrical powers are more convenient by hybrid systems. In this paper, an energy management system (EMS) for a hybrid microgrid network is proposed due to the optimal utilization of...

---------------------------------------------------------------------***--------------------------------------------------------------------Abstract In restructured electricity markets, an effective transmission pricing method is required to address transmission issues and to generate correct economic signals to reduce the generation cost. It is necessary to develop an appropriate pricing schem...

A new class of integrated power devices has been developed to simplify embedded dc-dc power supply designs. The paper includes comparison with existing discrete/co-package solutions and a new methodology that has been developed in how integrated devices are being designed, specified, tested and qualified. The paper also details how treating integrated devices as power supply modules instead of ...

DC-SIGN, a type II membrane-spanning C-type lectin that is expressed on the surface of dendritic cells (DC), captures and promotes human and simian immunodeficiency virus (HIV and SIV) infection of CD4(+) T cells in trans. To better understand the mechanism of DC-SIGN-mediated virus transmission, we generated and functionally evaluated a panel of seven monoclonal antibodies (MAbs) against DC-SI...

AC distribution is conventional and its future is now under threat with its major competitor DC distribution. Transformer voltage conversion can be replaced completely by DC-DC converter in DC distribution with voltage and current regulation. DC energy and energy saving as the distribution match well with the recent technology in renewables, energy storage, computer and control electronics, mod...

This versatile power converter controller provides dual outputs at a fixed switching frequency and can regulate either output voltage or target system delay (using an external – filter). In the voltage regulation mode, the output voltage is monitored with an analog–digital (A/D) converter, and the feedback compensation network is implemented digitally. The generation of the pulsewidth modulatio...

This paper proposes a bi-directional isolated DC/DC converter for the battery charger and discharger of Electric Vehicle to reduce power loss under light loads. The proposed consists two full-bridge inverters, an transformer, boost reactor, provides transmission, buck-boost conversion, zero-voltage-switching reactive suppression. Two semiconductors inverter in rectification side are turned off ...

This paper discusses the PTDF determination using DC Load flow guidelines. The Power Transfer Distribution Factor for singletransaction case using succeptance matrices and we have seen the effect of one transaction to the other transactions. A explanation concept in the restructuring of the electrical power industry is the ability to accurately and very fast quantify the capabilities of the tra...