Projekter pr. år

### Abstrakt

With a still increasing penetration level of grid-connected PV systems, more advanced active power control functionalities have been introduced in certain grid regulations. A delta power constraint, where a portion of the active power from the PV panels is reserved during operation, is required for grid support (e.g., during frequency deviation). In this paper, a cost-effective solution to realize delta power control for grid-connected PV systems is presented, where the residential/commercial multi-string PV inverter configuration is adopted. This control strategy is a combination of Maximum Power Point Tracking (MPPT) and Constant Power Generation (CPG) modes. In this control scheme, one PV string operating in the MPPT mode estimates the available power, while the other PV strings regulate the total PV power by the CPG control strategy in such a way that the delta power constraint for the entire PV system is achieved. Simulations and experiments have been performed on a 3-kW single-phase grid-connected PV system. The results have confirmed the effectiveness of the delta power control strategy, where the power reserve according to the delta power constraint is achieved under several operating conditions.

Originalsprog | Engelsk |
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Titel | Proceedings of the 8th Annual IEEE Energy Conversion Congress and Exposition (ECCE) 2016 |

Antal sider | 7 |

Forlag | IEEE Press |

Publikationsdato | sep. 2016 |

ISBN (Elektronisk) | 978-1-5090-0737-0 |

DOI | |

Status | Udgivet - sep. 2016 |

Begivenhed | 8th Annual IEEE Energy Conversion Congress & Exposition: ECCE 2016 - Milwaukee, WI, USA Varighed: 18 sep. 2016 → 22 sep. 2016 http://www.ieee-ecce.org/ |

### Konference

Konference | 8th Annual IEEE Energy Conversion Congress & Exposition |
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Land | USA |

By | Milwaukee, WI |

Periode | 18/09/2016 → 22/09/2016 |

Sponsor | IEEE, IEEE Industry Applications Society (IAS), IEEE Power Electronics and Industry Applications Societies (PELS) |

Internetadresse |

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## Projekter

- 2 Afsluttet

## PV2GRID: A Next-Generation Grid Side Converter with Advanced Control and Power Quality Capabilities

Blaabjerg, F., Yang, Y. & Sangwongwanich, A.

01/01/2015 → 30/09/2017

Projekter: Projekt › Forskning

## Center Of Reliable Power Electronics (CORPE)

Blaabjerg, F., Munk-Nielsen, S., Pedersen, K. & Popok, V.

01/04/2011 → 31/12/2016

Projekter: Projekt › Forskning

## Citationsformater

Sangwongwanich, A., Yang, Y., Blaabjerg, F., & Sera, D. (2016). Delta Power Control Strategy for Multi-String Grid-Connected PV Inverters. I

*Proceedings of the 8th Annual IEEE Energy Conversion Congress and Exposition (ECCE) 2016*IEEE Press. https://doi.org/10.1109/ECCE.2016.7854998