A single line diagram for PV system for a distribution system

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Discussion Overview

The discussion revolves around the request for a real-life single line diagram that includes a photovoltaic (PV) system within a distribution system. Participants are seeking specific parameters such as generator voltage, transmission line impedance, transformer specifications, load sizes, and PV system capacity for a school project and related research.

Discussion Character

  • Homework-related
  • Technical explanation
  • Exploratory

Main Points Raised

  • One participant requests a detailed single line diagram that includes all relevant parameters for a PV system at the distribution level for a school project.
  • Another participant refers to the diagrams as "One-line diagrams," indicating a terminology difference.
  • A participant clarifies the need for a case study with real-life data, emphasizing the importance of including impedances and load sizes to develop a control methodology for voltage regulation at the point of common coupling (PCC).
  • Another participant inquires if a real-world example of a one-line circuit diagram with a PV system has been found, expressing a similar need for their research project.

Areas of Agreement / Disagreement

Participants generally agree on the need for a real-life example of a single line diagram with specific parameters. However, there is no consensus on the availability of such diagrams, and the discussion remains unresolved regarding the provision of the requested information.

Contextual Notes

The discussion highlights the lack of available real-world case studies that meet the specific requirements outlined by the participants. There are also varying terminologies used to describe the diagrams, which may affect the search for relevant resources.

subesharyal
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Hi guys,

I am looking for a real life single line diagram (containing generator, transmission line, distribution system) containing a PV system in a distribution level. The single line should contain all the parameters (for example generator voltage, and impedance for transmission line, transformers, load, PV system capacity and impedance). This is for my project at school and I couldn't find it anywhere. Any help is appreciated
 
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I've always heard them called One-line diagrams.

500px-One-line_diagram.svg.png
 
Thanks dlgoff for your reply. However, that is not what I needed at all. What I needed was some kind of case study with one-line diagram showing all the impedances (of transmission lines, transformers etc), load size and Photovoltaic plant capacity so that I have some kind of real life data (not something made up). I am working on a voltage regulation at PCC (point of common coupling). My goal is to come up with some kind of control methodology so that my inverter will inject / absorb reactive power so that the voltage is at the nominal level. For this, I need the one-line diagram to come up with the system transfer function.
 
Last edited:
Did you ever end up finding a one line circuit diagram of a real world plant with a photovoltaic system? I’m currently working on a research project with some similarities to this and a real world example would be useful.
 

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