The Experts below are selected from a list of 33918 Experts worldwide ranked by ideXlab platform

Alex Q Huang - One of the best experts on this subject based on the ideXlab platform.

  • Power management for DC microgrid enabled by solid-state transformer
    IEEE Transactions on Smart Grid, 2014
    Co-Authors: Xunwei Yu, Xiaohu Zhou, Xu She, Alex Q Huang
    Abstract:

    A novel distributed power management scheme is proposed in this paper for a DC microgrid system, which is enabled by Solid-State transformer (SST). The proposed system includes distributed Renewable Energy Resource (DRER) and distributed Energy storage device (DESD). The proposed distributed control algorithm, which only relies on the local information and guarantees full utilization of each module in the system based on their characteristics, is applied to both SST and DC microgrid. To this end, a simulation platform is developed in MATLAB/Simulink, in which Photovoltaic (PV), fuel cell and battery are selected as the typical DRERs and DESD, respectively. Lastly, several typical case studies are carried out and the simulation results verify the proposed distributed power management.

  • On integration of solid-state transformer with zonal DC microgrid
    IEEE Transactions on Smart Grid, 2012
    Co-Authors: Xu She, Srdjan Lukic, Alex Q Huang, Mesut. E. Baran
    Abstract:

    The contribution of this paper has been focused on investigating a new microgrid architecture that integrates the solid-state transformer with zonal dc microgrids. By utilizing the dc and ac links of the solid-state transformer, both ac and dc networks can access the distribution system, which renders the coordinate management of the power and guarantees high power supply reliability. In addition, the presented system together with the proposed power management strategy can minimize the effect of newly established zonal dc microgrid to the existing power grid, of which promises a better stability. To this end, this paper takes the photovoltaic and battery as the typical Renewable Energy Resource and Energy storage device, and develops a simulation platform for system study. Simulation results are shown to demonstrate the feasibility of the proposal.

Xu She - One of the best experts on this subject based on the ideXlab platform.

  • Power management for DC microgrid enabled by solid-state transformer
    IEEE Transactions on Smart Grid, 2014
    Co-Authors: Xunwei Yu, Xiaohu Zhou, Xu She, Alex Q Huang
    Abstract:

    A novel distributed power management scheme is proposed in this paper for a DC microgrid system, which is enabled by Solid-State transformer (SST). The proposed system includes distributed Renewable Energy Resource (DRER) and distributed Energy storage device (DESD). The proposed distributed control algorithm, which only relies on the local information and guarantees full utilization of each module in the system based on their characteristics, is applied to both SST and DC microgrid. To this end, a simulation platform is developed in MATLAB/Simulink, in which Photovoltaic (PV), fuel cell and battery are selected as the typical DRERs and DESD, respectively. Lastly, several typical case studies are carried out and the simulation results verify the proposed distributed power management.

  • On integration of solid-state transformer with zonal DC microgrid
    IEEE Transactions on Smart Grid, 2012
    Co-Authors: Xu She, Srdjan Lukic, Alex Q Huang, Mesut. E. Baran
    Abstract:

    The contribution of this paper has been focused on investigating a new microgrid architecture that integrates the solid-state transformer with zonal dc microgrids. By utilizing the dc and ac links of the solid-state transformer, both ac and dc networks can access the distribution system, which renders the coordinate management of the power and guarantees high power supply reliability. In addition, the presented system together with the proposed power management strategy can minimize the effect of newly established zonal dc microgrid to the existing power grid, of which promises a better stability. To this end, this paper takes the photovoltaic and battery as the typical Renewable Energy Resource and Energy storage device, and develops a simulation platform for system study. Simulation results are shown to demonstrate the feasibility of the proposal.

Learachel D Kosnik - One of the best experts on this subject based on the ideXlab platform.

  • the potential for small scale hydropower development in the us
    Energy Policy, 2010
    Co-Authors: Learachel D Kosnik
    Abstract:

    In an earlier paper (Kosnik, 2008), the potential for small scale hydropower to contribute to US Renewable Energy supplies, as well as reduce current carbon emissions, was investigated. It was discovered that thousands of viable sites capable of producing significant amounts of hydroelectric power were available throughout the United States. The primary objective of this paper is to determine the cost-effectiveness of developing these small scale hydropower sites. Just because a site has the necessary topographical features to allow small scale hydropower development, does not mean that it should be pursued from a cost-benefit perspective, even if it is a Renewable Energy Resource with minimal effects on the environment. This analysis finds that while the average cost of developing small scale hydropower is relatively high, there still remain hundreds of sites on the low end of the cost scale that are cost-effective to develop right now.

  • the potential for small scale hydropower development in the u s
    Social Science Research Network, 2009
    Co-Authors: Learachel D Kosnik
    Abstract:

    In an earlier paper (Kosnik, 2008), the potential for small scale hydro-power to contribute to U.S. Renewable Energy supplies, as well as reduce current carbon emissions, was investigated. It was discovered that thousands of viable sites capable of producing significant amounts of hydroelectric power were available throughout the United States. The primary objective of this paper is to determine the cost-effectiveness of developing these small scale hydro-power sites. Just because a site has the necessary topographical features to allow small scale hydro-power development, does not mean that it should be pursued from a cost-benefit perspective, even if it is a Renewable Energy Resource with minimal effects on the environment. This analysis finds that while the average cost of developing small scale hydro-power is relatively high, there still remains hundreds of sites on the low end of the cost scale that are cost-effective to develop right now.

Mesut. E. Baran - One of the best experts on this subject based on the ideXlab platform.

  • On integration of solid-state transformer with zonal DC microgrid
    IEEE Transactions on Smart Grid, 2012
    Co-Authors: Xu She, Srdjan Lukic, Alex Q Huang, Mesut. E. Baran
    Abstract:

    The contribution of this paper has been focused on investigating a new microgrid architecture that integrates the solid-state transformer with zonal dc microgrids. By utilizing the dc and ac links of the solid-state transformer, both ac and dc networks can access the distribution system, which renders the coordinate management of the power and guarantees high power supply reliability. In addition, the presented system together with the proposed power management strategy can minimize the effect of newly established zonal dc microgrid to the existing power grid, of which promises a better stability. To this end, this paper takes the photovoltaic and battery as the typical Renewable Energy Resource and Energy storage device, and develops a simulation platform for system study. Simulation results are shown to demonstrate the feasibility of the proposal.

Anthony C Gehl - One of the best experts on this subject based on the ideXlab platform.

  • data exergy and Energy analyses of a vertical bore ground source heat pump for domestic water heating under simulated occupancy conditions
    Applied Thermal Engineering, 2015
    Co-Authors: Moonis Raza Ally, Jeffrey D Munk, Van D Baxter, Anthony C Gehl
    Abstract:

    Abstract Evidence is provided to support the view that 68%–76% of the Energy required to produce domestic hot water may be extracted from the ground which serves as a Renewable Energy Resource. The case refers to a 345 m 2 research house located in Oak Ridge, Tennessee, 36.01°N 84.26°W in a mixed-humid climate with HDD of 2218 °C-days (3993 °F-days) and CDD of 723 °C-days (1301 °F-days). The house is operated under simulated occupancy conditions in which the hot water use protocol is based on the Building America Research Benchmark Definition which captures the water consumption lifestyles of the average family in the United States. The 5.3 kW (1.5-ton) water-to-water ground source heat pump (WW-GSHP) shared the same vertical bore with a separate 7.56 KW water-to-air ground source heat pump for space conditioning the same house. Energy and exergy analysis of data collected continuously over a twelve month period provide performance metrics and sources of inherent systemic inefficiencies. Data and analyses are vital to better understand how WW-GSHPs may be further improved to enable the ground to be used as a practical Renewable Energy Resource.

  • exergy and Energy analysis of a ground source heat pump for domestic water heating under simulated occupancy conditions
    International Journal of Refrigeration-revue Internationale Du Froid, 2013
    Co-Authors: Moonis Raza Ally, Jeffrey D Munk, Van D Baxter, Anthony C Gehl
    Abstract:

    Abstract This paper presents analysis of a 5.275 kW (1.5-ton) water-to-water ground source heat pump (WW-GSHP) satisfying hot water needs in a 345 m 2 research house operated under simulated occupancy conditions. The hot water use protocol from the Building America Research Benchmark Definition claims to capture the living habits of the average American household and its impact on Energy consumption. Energy and exergy analyses provide insight on system efficiency and sources of irreversibility, the main cause of wasted Energy. The WW-GSHP shared the ground loop with a 7.56 kW water to air ground source heat pump (WA-GSHP) to space condition the same house. Understanding the performance of GSHPs is vital if the ground is to be used as a viable Renewable Energy Resource.