Retrofitted Hybrid Power System Design With Renewable Energy Sources for Buildings

Reddy, Y.J.; Kumar, Y. V. Pavan; Raju, K. Padma; Ramsesh, Anilkumar

doi:10.1109/tsg.2012.2217512

Cited by 50 publications

(19 citation statements)

References 21 publications

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“…The proposed architecture is quite common for urban distribution utilities all over the world but can certainly improve the energy crises of developing country like India. There have been several good papers in the literature stating the hybrid AC/DC systems with AC and DC sources/loads that are considered to be the most possible future distribution structures with widespread acceptance under the smart grids environment [45]- [47].…”

Section: B Proposed Algorithmmentioning

confidence: 99%

Utility Oriented Demand Side Management Using Smart AC and Micro DC Grid Cooperative

Kinhekar

Padhy

et al. 2016

IEEE Trans. Power Syst.

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DC microgrid provides a viable and more efficient option to cater for DC loads in the building space and, in particular, data centers. This paper investigates the opportunities associated for utilities to optimize industrial demand response for smart AC and DC microgrid environment thus facilitating distribution utility to reduce peak energy on the existing AC distribution system. A load shifting demand side management (DSM) technique is used to shift AC industrial loads in response to time of day (TOD) tariff. Hence, an attempt has been made to study the impact of DSM strategies with optimal shifting of AC devices in the presence of DC microgrid. Simulations are carried out on a practical distribution system having large industrial loads but it has been assumed that the AC distribution system has DC microgrid with renewables and battery storage systems (BSSs). DSM results for AC distribution grid are compared and analyzed with differing DC microgrid set ups, for example with and without battery storage. It has been observed that the DSM strategy with DC microgrid in the presence of solar renewables and battery storage can substantially reduce average energy cost for demand to response and peak load burden on AC distribution utilities.Index Terms-AC/DC loads, battery storage, DC microgrid, demand side management, renewable generations. NOMENCLATURE A. Parameters of Smart AC-Micro DC Grid SystemActual consumption of AC energy at time (kWh). Value of targeted AC energy at time (kWh).

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Section: B Proposed Algorithmmentioning

confidence: 99%

Utility Oriented Demand Side Management Using Smart AC and Micro DC Grid Cooperative

Kinhekar

Padhy

et al. 2016

IEEE Trans. Power Syst.

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“…Reference [26] presented a voltage and frequency control strategy for active island microgrids design. There are few literatures available on the study of economic and technical feasibility of microgrids and hybrid systems in [27][28][29][30][31][32][33]. However, most of these were designed for standalone systems of remote areas, where it is either difficult or impossible to extend the grid service.…”

Section: Literature Reviewmentioning

confidence: 99%

Renewable energy based microgrid system sizing and energy management for green buildings

Kumar

Bhimasingu

2015

J. Mod. Power Syst. Clean Energy

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The objective of this paper is to model a hybrid power system for buildings, which is technically feasible and economically optimal. With a view to promote renewable energy sources, photovoltaics and wind turbines are integrated with the grid connected building. The system is modeled and the optimal system configuration is estimated with the help of hybrid optimization model for electric renewables (HOMER). The logic is illustrated with a case study based on the practical data of a building located in southern India. This building is associated with 3.4 MWh/day priority load (peak load as 422 kW), as well as 3.3 MWh/day deferrable load (peak load as 500 kW). Sensitivity analysis is performed to deal with uncertainties such as the increase in electricity consumption and grid tariff, environmental changes, etc. From the simulation result, it is observed that the designed system is cost effective and environment friendly, which leads to 6.18 % annual cost savings and reduces CO 2 emissions by 38.3 %. Sensitivity results indicate that the system is optimal and adaptable in a certain range of unanticipated variances with respect to best estimated value. Finally, an energy management strategy is developed for the optimal system to ensure reliable power during contingency and disturbances. The green and hybrid power system designed can be adaptable to any critical and large consumers of urban buildings.

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“…Thus large-scale renewable energy power-generation systems are united into the mass power transmission networks [1], [2], the increasing usage of the small-scale renewable energy sources (RESs) in the distributed generation systems is further the current trend. To improve the system reliability, economical, and/or system efficiency, etc., two or more RESs can be merged together or with the conventional non-renewable energy sources such as FF forming the hybrid power-generation systems (HPGSs) [1], [3], [4].…”

Section: Introductionmentioning

confidence: 99%

“…Such HPGSs can handle in standalone mode to supply the isolated loads or in gridconnected mode [4]. Response to the rapid development of batteries, battery energy storage systems lately have undertaken to be utilized for various applications such as frequency regulation, grid stabilization, transmission loss minimizing, reduce congestion, amplify reliability, wave and solar energy smoothing, spinning reverse, peak-shaving, load-levelling, uninterruptible power sources, grid services, electric vehicle(EV) charging stations and others [5].…”

Section: Introductionmentioning

confidence: 99%

Fuzzy Logic Controller Based Dynamic Stability Enhancement of Wpgs, Pv and Super Capacitor Inter-Connected System

2017

IJAERD

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This paper proposes a new method for enhancing the dynamic stability enhancement of a hybrid wave and photovoltaic(PV) power generation system integrated into a distribution power grid. The wave power generation system (WPGS) is simulated by a linear permanent magnet generator (LPMG) driven by an Archimedes wave swing (AWS). The output of the WPGS and the PV system are connected to a common DC-link through a voltage-source converter(VSC) and a DC/DC boost converter, respectively. The common DC-link is interfaced to the distribution power grid via a voltage-source inverter (VSI). A super-capacitor (SC)is utilized to smooth the generated power delivered to the distribution power grid. The proposed control scheme to maintain stable operation of the system while achieving maximum power extraction for the wave system and the PV system is test in matlab environment and results are compared with conventional controller.

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Retrofitted Hybrid Power System Design With Renewable Energy Sources for Buildings

Cited by 50 publications

References 21 publications

Utility Oriented Demand Side Management Using Smart AC and Micro DC Grid Cooperative

Utility Oriented Demand Side Management Using Smart AC and Micro DC Grid Cooperative

Renewable energy based microgrid system sizing and energy management for green buildings

Fuzzy Logic Controller Based Dynamic Stability Enhancement of Wpgs, Pv and Super Capacitor Inter-Connected System

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