Copied Experiment: Photovoltaic System III, 115V
Experiment: Photovoltaic System III, 115V
3B Scientific, UE8020250-115, Experiment for Energy and Environment: Photovoltaic Systems, 115 V, 50/60 HzUE8020250-115 Includes Only:SEK Solar Energy (115 V, 50/60 Hz)Coulombmeter with Rechargeable BatteryGeared Motor with PulleySet of Slotted Weights, 5 x 100 gCord, 100 mDouble-Pole Double Throw SwitchSet of 15 Experiment Leads, 75 cm 1 mm2;TimerFeatures:Objective:Investigation of an island grid or microgrid used to generate and store electrical energyIsland grids or microgrids are power supply systems without any connection to a public utility grid and incorporate both generation and storage of electrical energy. Frequently photovoltaic modules are used to generate power and accumulators are used for energy storage. In order to simulate such an island grid in an experiment, two photovoltaic modules are used to charge up a nickel-metal hydride battery. A DC motor is deployed as the connected load which discharges the accumulator, while an electronic charge meter measures the electrical charging and discharging of the battery. Thanks to a series connection of the two modules a reliable charging of the accumulator is achieved also when there is less illuminance, since idle voltage is still far above the accumulator voltage level.
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