distributed generation system Articles

  • Control and protection of distribution systems with distributed generators

    Unquestionably, in the last years, the number of generators connected directly to electric power distribution systems has increased. In addition, the main statistics and signals show that such tendency could become even more intense in the coming years. As a consequence of this policy, many technical factors related to control, protection, operation and analysis of distribution systems should be ...


    By Inderscience Publishers

  • Effect of distributed generation modelling on performance of distribution systems

    Due to the continuous increase of distributed generation (DG) penetration into distribution systems, load flow analysis always needs improvement to be more flexible, fast and computationally efficient especially when integrating DG with existing distribution systems. The work in this paper is divided into two parts; in the first part a new algorithm is developed to solve the power flow problem ...


    By Inderscience Publishers

  • Water Treatment Optimization - Case Study

    Drinking water treatment in North America has stringent requirements for effluent water quality, with a great amount of attention being drawn to the presence of hazardous disinfection by-products (DBPs) persisting through water distribution systems. The operation of water treatment plants involves addition of various mixing agents to help with coagulation and settling of organics in the raw water ...


    By MANTECH

  • What The AD Industry Can Learn From Solar Standardization

    Applying a proven project finance model to the anaerobic digestion industry is the best way to ensure projects get built and operate profitably over the long-term. THE U.S. anaerobic digestion (AD) market represents an attractive, multibillion dollar investment opportunity. However, structural industry obstacles must be overcome before the market can realize its full potential. As a ...


    By BioCycle Magazine

  • A quick guide to oil analysis for engine test applications

    Reliability testing is a very important component of new engine development. Engineers need to fully understand and chart the engine lifetime performance under a variety of conditions before mass production may be considered. Many important performance data parameters are collected in real time through the many different types of sensors that are connected to the engine in the test cell and oil ...


    By Spectro Scientific

  • Operation and control of multiple Distributed Generation systems in the microgrid

    This paper investigates the operation and control of multiple Distributed Generation (DG) systems interconnected to the utility in the form of microgrid. The developed model of the microgrid consists of microturbine generation system, converter-based DG system with stiff DC source, synchronous-generator-based DG system and wind power system with induction generator. The Simulation model of the ...


    By Inderscience Publishers

  • Hardware-in-the-Loop testing platform for distributed generation systems

    The rapid validation of the expected performance of distributed generation installations is a critical step in the design process. However, the plethora of distributed generator types and the uniqueness of the load characteristics make the testing quite challenging. This paper introduces an original approach to Hardware-in-the-Loop simulation aimed to evaluate the performance and suitability of ...


    By Inderscience Publishers

  • Grid interconnection of microturbine-based distributed generation system

    Distributed Generation (DG) is predicted to play an important role in the electric power system in the near future. The insertion of DG systems into existing electric systems has a great impact on real-time system operation and planning. It is widely accepted that Microturbine Generation (MTG) systems are currently attracting much attention for meeting customers' needs in the ...


    By Inderscience Publishers

  • Assessing the benefits of a provision of system services by distributed generation

    Distributed Generation (DG) units are said to have the potential to become an integral part of the future power systems. Today, DG units are characterised by high specific investment costs, but nevertheless are politically promoted because of their high degree of energy efficiency and their capability of reducing the current dependency on fossil fuels. However, at longer term DG units have to ...


    By Inderscience Publishers

  • Developing Decentralised Distributed Generation in Africa

    Many countries in the developed world created power generation networks based upon large centralised power generation stations with significant investment in power transmission and distribution networks. From the African context this has not happened yet there is a huge need to increase power generation capacity. The thought of addressing this through a small number of large gas, ...


    By Clarke Energy

  • Protection requirement graph for interconnection of distributed generation on distribution level

    In this paper, the protection issues related to distributed generation in distribution networks are considered. Especially, the requirements for the generation unit's protection are discussed. A new graphical approach is used for finding the unambiguous limits of operation. The method is based on using present network planning systems applied widely among network companies. The features and ...


    By Inderscience Publishers

  • Programmed PWM to improve power quality in systems with distributed generation units

    Pulse-Width Modulated (PWM) inverters are widely applied in Distributed Generation (DG) units and power quality equipment owing to their excellent performance and flexible control means. Programmed PWM (PPWM), as a special type of optimal PWM strategy, theoretically allows for setting the fundamental and the selected harmonic amplitudes directly to arbitrary values. The algorithms for solving ...


    By Inderscience Publishers

  • Graph-based approach for generating virtual water distribution systems in the software VIBe

    Application of virtual case studies (VCS) is a well established technique in environmental engineering to test measures, approaches, models or software. However, preparation of VCS for an infrastructure network is a tedious task. In literature, approaches can be found which generate very simplified VCS, which are only partly comparable with real world case studies. VCS which are more comparable ...


    By IWA Publishing

  • Characteristics of modern nonlinear loads and their influence on systems with distributed generation

    Nonlinear electronic loads may demonstrate unexpected reactions to variations in power system voltage. This effect of the electrical load may be very significant in distributed generation power systems containing relatively small generators. This paper reviews modern nonlinear electronic load current consumption mechanisms and provides typical current waveforms. Based on extensive measurements ...


    By Inderscience Publishers

  • A general framework of chlorine decay modeling at a pilot-scale water distribution system

    Understanding the variation of chlorine concentrations in water distribution systems is important for determining the schedule of rechlorination. Maintaining an appropriate chlorine concentration in domestic tap water and a sustainable residual chlorine in water distribution systems is an important commitment to ensure high drinking water quality. A generic modeling framework is proposed to ...


    By IWA Publishing

  • Power conditioning of an uncontrolled micro-hydroturbine-driven induction generator for distributed generation using a battery energy storage system

    Distributed Generation (DG) and its interconnection to the AC power grid is a relatively new concept. DG employs small generators, which are distributed throughout the power system. The electricity is usually generated by renewable energy sources such as wind, hydro and tidal, which are intermittent in nature. These generators connected to the AC grid may lead to severe power quality problems. ...


    By Inderscience Publishers

  • Anti-islanding protection and islanding operation of grid-connected hydropower distributed generation

    Salient issues associated with the connection of hydropower distributed generation (HPDG) into distribution networks include operation and voltage regulation, grid connection and control interaction, anti-islanding protection and islanding operation, and operation of protective devices. Better understanding of these issues and finding solutions to these problems are timely and important to the ...


    By Inderscience Publishers

  • Improvement of power supply to rural customers through grid-interactive distributed generation

    The integration of Distributed Generation (DG) into distribution grid systems introduces problems in network operation, control and protection. Key issues associated with DG inclusion are voltage or current control, cost-effective operation, protection coordination and network transients. Better understanding of these issues and finding solutions to these problems are important to power ...


    By Inderscience Publishers

  • Application of power electronics with the US DOE distributed generation programme

    Power electronics play an important role in achieving affordable, highly fuel-efficient fuel cell power generation plants and will enable the US Department of Energy's Office of Fossil Energy Fuel Cells programme to achieve higher national goals: environmental, economic and energy security. The initial focus on power electronics has been to understand the interactions between the SOFC stack, the ...


    By Inderscience Publishers

  • Development and opportunities of distributed generation fuelled by renewable energy sources

    The key issue to the widespread of distributed generation (DG) is the ability to safely, reliably and economically interconnect new energy sources with the existing distribution network 'utility grid'. With the rising prices of petroleum fuel sources, a high expected penetration of renewable energy sources (RES) such as wind and solar as part of the emerging DG fuel resource are expected to be ...


    By Inderscience Publishers

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