Topic
Stand-alone power system
About: Stand-alone power system is a research topic. Over the lifetime, 8650 publications have been published within this topic receiving 192397 citations. The topic is also known as: Stand-alone photovoltaic power system.
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TL;DR: In this article, an optimal bidding strategy for independent power producers (IPPs) in the deregulated electricity market is proposed, where the IPPs are price takers, whose objectives are to maximize their profits considering price and wind power output uncertainties, while ensuring high wind power utilization.
Abstract: This paper proposes an optimal bidding strategy for independent power producers (IPPs) in the deregulated electricity market. The IPPs are assumed to be price takers, whose objectives are to maximize their profits considering price and wind power output uncertainties, while ensuring high wind power utilization. The problem is formulated as a two-stage stochastic price-based unit commitment problem with chance constraints to ensure wind power utilization. In our model, the first stage decision includes unit commitment and quantity of electricity submitted to the day-ahead market. The second stage decision includes generation dispatch, actual usage of wind power, and amount of energy imbalance between the day-ahead and real-time markets. The chance constraint is applied to ensure a certain percentage of wind power utilization so as to comply with renewable energy utilization regulations. Finally, a sample average approximation (SAA) approach is applied to solve the problem, and the computational results are reported for the proposed SAA algorithm showing the sensitivity of the total profit as the requirement of wind power utilization changes.
89 citations
TL;DR: This paper presents a new model and optimization procedure for off-grid hybrid PV (photovoltaic)/Diesel systems operating without battery storage.
89 citations
Patent•
06 Feb 2001TL;DR: In this paper, a power storage device has a plurality of series-connected storage battery units, battery circuits associated with the battery units to control or monitor the storage battery unit, respectively; a main circuit of a potential level different from that of the battery circuits; and a potential-level changing circuits connecting the battery circuit to the main circuit.
Abstract: A power storage device has a plurality of series-connected storage battery units, battery circuits associated with the storage battery units to control or monitor the storage battery units, respectively; a main circuit of a potential level different from that of the battery circuits; and a potential level changing circuits connecting the battery circuit to the main circuit. The power storage unit is small in construction and operates at a low power consumption in a high control accuracy.
89 citations
TL;DR: In this paper, grid services and storage technologies are examined using a range of metrics, such as duration, cycling occurrence, power, and market price, and the reader is provided with a method for comparing universal characteristics with regional/technology specific values.
89 citations
18 Jun 2006
TL;DR: This paper is a survey on photovoltaic (PV) power conditioning systems (PCS) and their control strategies and a novel Z-Source inverter based PCS is presented.
Abstract: This paper is a survey on photovoltaic (PV) power conditioning systems (PCS) and their control strategies. Different inverter structures used in the PCSs are summarized. A novel Z-Source inverter based PCS is presented. The requirements and standards of PV PCS are also introduced.
89 citations