What question did this study set out to answer?

Formulate a constrained optimization approach to separately estimate longitudinal resistances, reactances, and shunt admittances across higher harmonic orders using synchrophasor measurements.

January 1, 2025IEEE AccessOpen Access

An Optimization Model for Harmonic Parameters Estimation of Transmission Lines Using Phasor Measurements

View Full Paper

Ask AI

Bookmark

Formulate a constrained optimization approach to separately estimate longitudinal resistances, reactances, and shunt admittances across higher harmonic orders using synchrophasor measurements.
Formulated a least-squares optimization problem minimizing parameter errors subject to inequality constraints derived from a quadrupole transmission line model.
Evaluated performance using computational simulations across varied transmission line models, including a real Brazilian transmission line.
Assessed the sensitivity and impact of instrument transformers on parameter estimation outcomes.
The optimization framework estimated line resistance, reactance, and shunt admittance parameters across all evaluated harmonic orders with reduced estimation errors.
Simulations demonstrated model stability across different line topologies while characterizing the measurable distortion introduced by instrument transformers.

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Simulation study reveals accurate multi-order harmonic parameter estimation in electrical transmission lines, indicating improved power system monitoring and planning.

Cite This Study

Sousa et al. (2025) studied this question.

synapsesocial.com/papers/6a7d4e4d166e996abdd5ab3c https://doi.org/10.1109/access.2025.3563771

View Full Paper

Ask AI

Bookmark

Implication

Simulation study reveals accurate multi-order harmonic parameter estimation in electrical transmission lines, indicating improved power system monitoring and planning.

An Optimization Model for Harmonic Parameters Estimation of Transmission Lines Using Phasor Measurements

Key Points

Discussion

Implication

Cite This Study

An Optimization Model for Harmonic Parameters Estimation of Transmission Lines Using Phasor Measurements

Key Points

Discussion

Implication

Cite This Study

Also Consider

Also Consider