Video Experimental Relacionado

Updated: Jun 20, 2026

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
13:29

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids

Published on: August 23, 2012

Energía solar y servicios eléctricos: ¿deberían estar interconectados?

J G Asbury, R O Mueller

    Science (New York, N.Y.)
    |February 4, 1977
    PubMed
    Resumen

    Los sistemas de energía solar a menudo no son económicos cuando se emparejan con servicios públicos eléctricos debido a los altos costos de capital. La viabilidad económica depende del desplazamiento de la electricidad fuera de las horas punta, con opciones óptimas de combustible auxiliar que varían según la región.

    Más Videos Relacionados

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System12:08

    Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

    Published on: July 18, 2015

    Developing High Performance GaP/Si Heterojunction Solar Cells10:31

    Developing High Performance GaP/Si Heterojunction Solar Cells

    Published on: November 16, 2018

    Videos de Conceptos Relacionados

    Energy00:58

    Energy

    The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun—the ultimate energy source. For instance, plants capture light energy from the Sun, and through the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal...
    Power and Energy01:12

    Power and Energy

    The power and energy delivered to an element are subjects of great significance in the field of electrical engineering. It is a well-known fact that a 100-watt light bulb emits more light than a 60-watt one. Therefore, power and energy calculations play a crucial role in the analysis of electrical circuits.
    Power, defined as the time rate of expending or absorbing energy, is quantified in units called watts (W). The relation between power and energy is mathematically given as
    Conservation of AC Power01:15

    Conservation of AC Power

    The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
    P-N junction01:11

    P-N junction

    A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
    Power System Distribution01:25

    Power System Distribution

    Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
    The transmission system is designed...
    Control of Power Flow01:30

    Control of Power Flow

    There are several methods to control power flow in power systems: