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Active harmonic filters

Active harmonic filters

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APF can reduce some types of power quality disturbances such as harmonics, reactive power, and unbalanced load currents. The APF uses fast switching solidstate devices and GTO emerging as a viable in smart grid applications, battery charging scheme battery storage system. Smart grid uses distributed-STATCOM (D-STATCOM) for energy efficiency, energy saving, loss reduction, and power factor enhancement. The chapter presents different APF topology with modified control application and case studies for smart grid and renewable energy utilization. New emerging application for APFs in campus intelligent met heuristic optimization and search algorithm for optimal PWM using symmetrical, a symmetrical, inverse sine carrier, and optimum point on wave switching strategy with online search to minimize dominating harmonic and THD at the point of interface with the AC smart grid.

Chapter Contents:

  • 4.1 Introduction
  • 4.2 Industrial load models and characteristics
  • 4.2.1 Dynamic and quasi-static harmonics in modern electrical networks
  • 4.2.2 Industrial nonlinear loads types and characteristics
  • 4.3 Active power filter topologies and design considerations
  • 4.3.1 Active power filters use in AC and DC-AC power systems
  • 4.3.2 Active power filters - design issues and considerations
  • 4.3.3 Active power filters - industrial applications
  • 4.4 Active power filters configurations
  • 4.4.1 Current source active power filters - CSC
  • 4.4.2 Voltage source active power filters - VSC
  • 4.4.3 Shunt-active power filters
  • 4.4.4 Series-active power filters
  • 4.4.5 Hybrid-active power filters
  • 4.4.6 Modern/distributed-active power filter
  • 4.5 Active power filters - APF control strategies
  • 4.5.1 Overview of APF control techniques
  • 4.5.2 Heuristic soft computing-based control methods
  • 4.5.3 Industrial load harmonic mitigation using APF control techniques
  • 4.6 Emerging APF - applications and typologies
  • 4.7 Case studies: design and optimization of an industrial active power filter
  • 4.7.1 Case study I: APF application and control strategies for hybrid AC-DC industrial loads
  • 4.7.2 Case study II: hybrid-APFs for AC-DC system
  • 4.8 Conclusions
  • References

Inspec keywords: energy conservation; power harmonic filters; search problems; smart power grids; active filters; power factor; static VAr compensators

Other keywords: active harmonic filter; campus intelligent met heuristic optimization; smart grid applications; power quality disturbances; APF topology; GTO; loss reduction; energy saving; THD; power factor enhancement; search algorithm; distributed-STATCOM; energy efficiency; fast switching solid-state device; AC smart grid; renewable energy utilization; harmonic minimization

Subjects: Optimisation techniques; Active filters and other active networks; Other power apparatus and electric machines

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