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Related Concept Videos

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

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The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
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Power Factor Correction01:20

Power Factor Correction

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The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
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Power System Distribution01:25

Power System Distribution

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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...
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Transformers in Distribution System01:27

Transformers in Distribution System

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Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
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Control of Power Flow01:30

Control of Power Flow

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There are several methods to control power flow in power systems:
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Reducing Line Loss01:18

Reducing Line Loss

292
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
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Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells
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Author Correction: Rapid cost decrease of renewables and storage accelerates the decarbonization of China's power

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  • 1Department of Technology and Society, College of Engineering and Applied Sciences, Stony Brook University, Stony Brook, NY, 11794, USA. gang.he@stonybrook.edu.

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Summary
This summary is machine-generated.

This study has been amended. Please refer to the updated version for the most current findings and analysis.

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Area of Science:

  • Not specified in the abstract.

Context:

  • The original study details are not provided.

Purpose:

  • To announce the publication of an amendment to a scientific paper.

Summary:

  • An amendment to the paper is now available.
  • The amendment can be accessed via a link at the top of the paper.

Impact:

  • Ensures readers access the most current and accurate information.
  • Facilitates informed scientific discourse by providing updated research findings.