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Microgrids are proving themselves viable to address the need for more reliable renewable power systems. They can improve the resilience of the overall system in case of abnormal conditions. The city of Spokane in Washington, is considering establishing a microgrid using existing transmission and distribution infrastructure. This microgrid will be supplied solely from the existing hydroelectric generators...
The prevalence of distributed energy resources (DER) presents challenges to traditional utility metering schema. Energy consumption and demand are valuable data when planning the size and growth of electrical systems from a reliability perspective. Some utilities meter the output of the DER inverters, in order to provide generation data to the customer and adequately plan for reliability. A DER solution...
Decentralization of vertically integrated electrical power systems can bring economic, reliability and environmental benefits to society. Microgrids are a step to a more hybrid, less centralized power industry. A key objection from traditional electric utilities to distributed renewable energy is the variation injected to the power grid from variables sources such as the sun. A significant milestone...
The rapid growth of renewable energy calls for large and efficient energy storage system. Storage of photovoltaic and wind electricity in batteries could solve the mismatch problem between the intermittent supply of these renewable resources and variable demand. Most type of battery on the market, known as Solid-electrode batteries maintain discharge at peak power for far too short time to fully regenerate...
Electric utilities in the United States are increasingly employing demand charges and/or real-time pricing. Such directive is bringing potential opportunities in deploying behind-the-meter energy storage (BMES) systems for various grid applications. This study quantifies the techno-economic benefits of BMES in reducing demand charge and smoothing load/generation intermittencies, and determines how...
There is a rapid growth in wireless communication devices, such as Wireless Sensor Nodes (WSN). While WSN has the abilities of sensing, processing and communication over distances, its abilities are limited by the capacity of its battery. To use the full functionalities of WSN, either the battery needs to replace or recharge in a periodically manner. However both solutions are not convenient for livestock...
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