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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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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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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.
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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...
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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.
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Mejora de la calidad de la energía mediante SHAF de orden fraccionario tipo 2 optimizado con el algoritmo hPSOFA

Alok Kumar Mishra1, Jeevan Jyoti Mahakud2, Sushanta Kumar Kamilla3

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

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Este estudio presenta un novedoso filtro híbrido shunt (SHAF) para una compensación eficaz de potencia reactiva y armónicos (RPHC). El controlador propuesto supera significativamente los métodos tradicionales, validado experimentalmente para mejorar la calidad de la energía.

Palabras clave:
PFSRPHCSHAFT2FFOPIDCTHDhPSOFA

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Área de la Ciencia:

  • Ingeniería de Potencia
  • Ingeniería Eléctrica
  • Sistemas de Control

Sus antecedentes:

  • Los filtros pasivos tradicionales no son prácticos para la mitigación de múltiples armónicos.
  • Los filtros de potencia activa ofrecen un mejor rendimiento pero son costosos.
  • Necesidad de soluciones avanzadas para la compensación de potencia reactiva y armónicos (RPHC).

Objetivo del estudio:

  • Introducir un filtro híbrido shunt (SHAF) para RPHC.
  • Desarrollar un controlador PID fraccionario difuso tipo 2 (T2FFOPIDC) optimizado para un rendimiento mejorado.
  • Comparar el SHAF propuesto con un sistema difuso tipo 1.

Principales métodos:

  • Se utilizó el filtro de Kalman (KF) para la estimación de la corriente de referencia.
  • Se empleó un algoritmo híbrido de optimización por enjambre de partículas (PSO) y luciérnaga (hPSOFA) para la sintonización de los parámetros del controlador.
  • Se implementó una nueva estrategia de compensación que requiere corriente del lado de la fuente.

Principales resultados:

  • El SHAF basado en hPSOFA-T2FFOPIDC demostró una RPHC superior en comparación con el SHAF basado en hPSOFA-T1FFOPIDC.
  • Rendimiento validado en cargas no lineales equilibradas y desequilibradas.
  • La validación experimental utilizando dSPACE confirmó la eficacia.

Conclusiones:

  • El hPSOFA-T2FFOPIDC-SHAF propuesto ofrece un rendimiento superior de RPHC.
  • El diseño del controlador y la estrategia de optimización son efectivos.
  • El sistema muestra ser prometedor para mejorar la calidad de la energía en sistemas eléctricos.