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Distributed energy network using nanogrid

Distributed energy network using nanogrid

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With the guidance of local governments and the concerns of the environment, more and more distributed energy resources (DERs) and distributed energy storage units (DESUs) are installed by subscribers in remote villages, outskirts and mountainous areas. The DERs and DESUs form an easy, self-controlled nanogrid. Nanogrid can be seen as smaller and technologically simpler islanding microgrids. When more and more renewable sources are interfaced to the nanogrid, a power-management issue is important for this system to supply smooth power to the customers. Therefore, some reviews for nanogrid and some representative control strategies for renewable sources in nanogrid are presented in this book chapter.

Chapter Contents:

  • 6.1 Overview of nanogrid
  • 6.1.1 Concept of nanogrid
  • 6.1.2 Architecture of nanogrid
  • 6.1.3 Converters used in nanogrid
  • 6.2 Energy management in nanogrid
  • 6.2.1 Battery-mastered control of a simple photovoltaic/battery system
  • 6.2.2 Decentralized control for multiple battery-based nanogrid
  • 6.2.3 Decentralized control for multiple DG units based nanogrid
  • 6.2.3.1 Decentralized control in DC nanogrid
  • 6.2.3.2 Decentralized control in AC nanogrid
  • 6.2.4 Decentralized control for multiple energy storage units based nanogrid
  • 6.2.4.1 Case study I: from conventional droop control to improved droop control
  • 6.2.4.2 Case study II: load step changes in active and reactive power
  • 6.2.4.3 Case study III: local load
  • 6.2.5 Parameter design for a centralized hierarchical control for AC nanogrid
  • 6.3 Case study
  • 6.3.1 Large-scaled intelligent nanogrid
  • 6.3.2 Small-scaled intelligent nanogrid
  • 6.3.3 Nanogrid installed in remote villages
  • 6.3.4 Nanogrid based on cogeneration system
  • 6.4 Conclusion
  • References

Inspec keywords: renewable energy sources; power system management; distributed power generation; reviews; energy storage; power system control

Other keywords: islanding microgrids; distributed energy resources; remote villages; distributed energy storage units; mountainous areas; power-management; nanogrid; self-controlled nanogrid; distributed energy network; reviews

Subjects: Power system control; Distributed power generation; Energy resources; Power system management, operation and economics

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