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Green Energy
Published in Jacqueline A. Stagner, David S-K. Ting, Green Energy and Infrastructure, 2020
With global acceptance of renewable energy sources, storage technologies for these intermittent sources have shown greater momentum in recent years. These storage technologies mitigate the variations in power supply, improve the flexibility of the system, enhance the storage capability with advanced technology, and supply the generated electricity from non-conventional energy sources. EES system stores energy as potential, kinetic, thermal, and chemical energy and supplies to the customers based on the demand in the form of electricity. These systems consist of a power conversion unit, storage facility, and a balance of plant. Based on the form of energy stored, researchers have classified the EES into mechanical, electrochemical, chemical, electrical, and thermal storage technologies as shown in Figure 8.1 (Achkari & Fadar, 2018).
Development of Fuel Cell-Based Energy Systems for 3-ph Power Development and Internet of Things Devices
Published in Ankan Bhattacharya, Bappadittya Roy, Samarendra Nath Sur, Saurav Mallik, Subhasis Dasgupta, Internet of Things and Data Mining for Modern Engineering and Healthcare Applications, 2023
Parth Sarathi Panigrahy, B. Sai Reddy, M. R. Harika, B. Arun Kumar
Extensively in a power system, a fuel cell is made using many constituents:Unit cells: Here the phenomenon of electrochemical process occurs.Stacks: Here each cell is electrically joined to form a single unit as per the required output.Balance of plant: This includes constituents those offer feed stream conditioning, temperature supervision, & electrical power conditioning.
Heavy Water Reactors
Published in Kenneth D. Kok, Nuclear Engineering Handbook, 2016
Alistair I. Miller, John Luxat, Edward G. Price, Paul J. Fehrenbach
The balance-of-plant comprises the steam lines from the steam generators, the steam turbines and the alternating electrical generator, the condenser, various moisture separators and equipment to achieve de-aeration, demineralization, oxygen scavenging, reheating, and pH control of the feedwater returned to the steam generator.
Safety Analysis of a 300-MW(electric) Offshore Floating Nuclear Power Plant in Marine Environment
Published in Nuclear Technology, 2018
Yaoli Zhang, Jacopo Buongiorno, Michael Golay, Neil Todreas
Massachusetts Institute of Technology is developing two OFNP designs in parallel that would find application in different markets: OFNP-300 and OFNP-1100, designated to achieve different electric power ratings. This paper addresses OFNP-300 only. The reactor in OFNP-300 is based on the Westinghouse Small Modular Reactor (WSMR), uprated to 300 MW(electric) (Refs. 2 through 5). The floating structure chosen to house the nuclear plant is a cylindrical hull-type platform that shares many of its characteristics with the platforms used in the offshore oil and gas drilling industry. The cylindrical hull design offers substantial gains in dynamic stability at the scale for which OFNP is designed when compared to other offshore platform designs, such as semi-submersibles or floating barges. The cylindrical hull design also enables the reactor and containment to be located at an elevation below the waterline, which enhances physical protection from plane crashes and collisions with ships while also making it easier to access the ocean heat sink. The OFNP balance of plant includes a standard Rankine cycle and a step-up transformer, both located onboard the platform, as well as several submarine alternating-current (ac) cables to transmit the electric power to the grid on land. The platform characteristics of OFNP-300 are reported in Table I. More information on the OFNP design can be found in Refs. 6, 7, and 8.