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関連する概念動画

Power Factor Correction01:20

Power Factor Correction

465
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.
465
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

708
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:
708
Power Factor01:11

Power Factor

664
The power factor is defined as the ratio of average (or active) power to apparent power, as illustrated by the relation
664
Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

348
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
348
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

781
Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk​, phase angle δk​, real power Pk​, and reactive power Qk​. Two of these four variables are inputs, while the power flow program computes...
781
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

574
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
574

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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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分数阶型-2模糊SHAF的hPSOFA算法优化及其功率质量改善研究

Alok Kumar Mishra1, Jeevan Jyoti Mahakud2, Sushanta Kumar Kamilla3

  • 1Department of EEE, ITER, SOADU, Bhubaneswar, Odisha, India. alokmishra@soa.ac.in.

Scientific reports
|December 13, 2025
PubMed
まとめ

本研究介绍了一种新型并联混合有源滤波器（SHAF），用于有效的无功功率和谐波补偿（RPHC）。所提出的控制器在实验验证下，性能显著优于传统方法，可改善功率质量。

キーワード:
PFSRPHCSHAFT2FFOPIDCTHDhPSOFA

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