Publication

Supercapacitors as energy buffers : a solution for elevators and for electric busses supply

Alfred Rufer
2002
Conference Papers

Abstract

Supercapacitors are components for energy storage, well dedicated for applications where energy storage can help to the smoothing of strong and short time power solicitations of a distribution network. Those properties are developed for two examples. The first one is regarding an elevator, where a low constant power is provided by a distribution power indipendently of the maximum peak power needed for the lift, thanks to intermediary supercapacitors. the second example deals with the voltage drop compensation in weak distribution systems, for maintaining constant the voltage at the end of a supply line for trolley buses avoiding the use of heavy and expensive supply station.

Official source

https://infoscience.epfl.ch/entities/publication/41e0b2fb-2265-4e8d-97e1-db44732bc8f7

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Alfred Rufer
2002
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/41e0b2fb-2265-4e8d-97e1-db44732bc8f7

About this result

Related concepts (32)

Grid energy storage

Grid energy storage (also called large-scale energy storage) is a collection of methods used for energy storage on a large scale within an electrical power grid. Electrical energy is stored during times when electricity is plentiful and inexpensive (especially from intermittent power sources such as renewable electricity from wind power, tidal power and solar power) or when demand is low, and later returned to the grid when demand is high, and electricity prices tend to be higher.

Energy storage

Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential, electricity, elevated temperature, latent heat and kinetic. Energy storage involves converting energy from forms that are difficult to store to more conveniently or economically storable forms.

Power supply

A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a result, power supplies are sometimes referred to as electric power converters. Some power supplies are separate standalone pieces of equipment, while others are built into the load appliances that they power. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.

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Supercapacitors as energy buffers : a solution for elevators and for electric busses supply

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