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Related Concept Videos

Power Factor Correction01:20

Power Factor Correction

157
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.
157
Load-frequency control01:28

Load-frequency control

126
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
126
Control of Power Flow01:30

Control of Power Flow

254
There are several methods to control power flow in power systems:
254
Source Transformation for AC Circuits01:11

Source Transformation for AC Circuits

538
The process of source transformation in the frequency domain entails the conversion of a voltage source, positioned in series with an impedance, into a current source that is parallel to an impedance, or the other way around. It is essential to maintain the following relationships while transitioning from one source type to another.
538
Reducing Line Loss01:18

Reducing Line Loss

146
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...
146
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

176
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:
176

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Related Experiment Video

Updated: Jun 9, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

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Published on: February 14, 2025

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Author Correction: A new model reduction method based PBC control for grid-connected inverter with LCL-filter

Chunxiao Gao1, Fuxiao Tan2

  • 1Department of Logistics Engineering College, Shanghai Maritime University, Shanghai, 201306, China. gaochunxiao@stu.shmtu.edu.cn.

Scientific Reports
|October 29, 2024
PubMed
Summary

No abstract available in PubMed .

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