Discussion Overview
The discussion revolves around converting transmission line parameters (resistance R, inductance L, and capacitance C) into a per unit system using MATLAB. Participants explore various methods to obtain these parameters, including measurements, catalog properties, and geometric calculations.
Discussion Character
- Exploratory
- Technical explanation
- Debate/contested
- Homework-related
Main Points Raised
- One participant seeks assistance with formulas to convert transmission line parameters into a per unit system.
- Another suggests obtaining parameters from measurements, catalog properties, or line geometry, mentioning specific relationships between parameters.
- Links to external resources are provided for further information on transmission line types and calculations.
- A participant expresses skepticism about the accuracy of using per unit length parameters for high-frequency simulations, emphasizing the need for a detailed model.
- Clarification is requested regarding the use of base voltage (Vbase) and base power (Sbase) in the calculations.
- One participant shares their experience with a specific simulator (Powerworld) and mentions issues with accessing a required feature for calculations.
- Another participant acknowledges a misunderstanding regarding the type of transmission lines being discussed, indicating a shift in focus from RF to power distribution lines.
- A final participant summarizes the formulas they found for converting resistance, reactance, and susceptance into the per unit system.
Areas of Agreement / Disagreement
Participants express differing views on the best methods to obtain transmission line parameters and whether per unit length parameters are suitable for accurate simulations. The discussion remains unresolved regarding the optimal approach for the specific context of the original poster's needs.
Contextual Notes
Some participants mention the importance of frequency in determining resistance and the potential limitations of using simplified models for complex transmission line scenarios.
Who May Find This Useful
This discussion may be useful for individuals working on electrical engineering projects involving transmission lines, particularly those interested in the per unit system and simulation software.