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Related Concept Videos

Electrical Energy01:10

Electrical Energy

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Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules.
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Energy Conservation and Bernoulli's Equation01:16

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Applying the conservation of energy principle or the work-energy theorem to an incompressible, inviscid fluid in laminar, steady, irrotational flow leads to Bernoulli's equation. It states that the sum of the fluid pressure, potential, and kinetic energy per unit volume is constant along a streamline.
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Conservation of AC Power01:15

Conservation of AC Power

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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
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Power Distribution in Three-phase and Single Phase Circuits01:17

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Power distribution within electrical circuits is a foundational aspect of residential and industrial energy systems. While single-phase power is common in residential settings, three-phase power is the standard for industrial environments with heavy machinery. Each system is different and has advantages, and it's crucial to understand the underlying principles of power distribution and material efficiency.
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Energy Losses in Transformers01:21

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In an ideal transformer, it is assumed that there are no energy losses, and, hence, all the power at the primary winding is transferred to the secondary winding. However, in reality,  the transformers always have some energy losses, and, hence, the output power obtained at the secondary winding is less than the input power at the primary winding due to energy losses.
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Conservation of Energy: Application01:12

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When solving problems using the energy conservation law, the object (system) to be studied should first be identified. Often, in applications of energy conservation, we study more than one body at the same time. Second, identify all forces acting on the object and determine whether each force doing work is conservative. If a non-conservative force (e.g., friction) is doing work, then mechanical energy is not conserved. The system must then be analyzed with non-conservative work. Third, for...
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Energy saving in data processing and communication systems.

Giuseppe Iazeolla1, Alessandra Pieroni1

  • 1Department of Enterprise Strategy and Applied Technology, "Guglielmo Marconi" University of Study, Roma, Italy.

Thescientificworldjournal
|October 11, 2014
PubMed
Summary
This summary is machine-generated.

This study explores power management in Information and Communication Technology (ICT) systems, focusing on data processing (DP) and telecommunication (TLC) to balance energy savings with Quality of Service (QoS). It investigates policies to reduce power consumption without compromising performance.

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Information Technology

Background:

  • Information and Communication Technology (ICT) systems, encompassing data processing (DP) and telecommunication (TLC) infrastructure, face significant economic challenges due to high power consumption.
  • DP systems utilize millions of servers globally, while TLC systems, including mobile and wired networks, require both DP and specialized power.

Purpose of the Study:

  • To investigate power management policies for ICT systems.
  • To identify strategies that balance power saving with the Quality of Service (QoS).

Main Methods:

  • Analysis of existing power management policies in DP and TLC systems.
  • Evaluation of the trade-offs between reduced power consumption and potential performance degradation.

Main Results:

  • Power saving measures in ICT can lead to a decline in performance, impacting the Quality of Service (QoS).
  • The study examines specific power management policies for DP and TLC to mitigate this trade-off.

Conclusions:

  • Effective power management in ICT requires careful consideration of the balance between energy efficiency and QoS.
  • Further research into optimized power management strategies is crucial for sustainable ICT operations.