A discriminative approach to harmonic emission assessment. - Brandon Peterson; Johan Rens; Gerhard Botha; Jan Desmet (AMPS, 2015)

Continuous harmonic impedance assessment using online measurements. - Duan Serfontein; Johan Rens; Gerhard Botha; Jan Desmet (AMPS, 2015)

On the assessment of harmonic emission in distribution networks: Opportunity for the prevailing harmonic phase angle. - Brandon Peterson; Johan Rens; Jan Meyer; Gerhard Botha; Jan Desmet (AMPS, 2016)

Improved event based method for harmonic impedance assessment. - Duan Serfontein; Johan Rens; Gerhard Botha; Jan Desmet (AMPS, 2016)

Continuous Event-Based Harmonic Impedance Assessment Using Online Measurements. - Duan Serfontein; Johan Rens; Gerhard Botha; Jan Desmet (IEEE Trans. Instrum. Meas., 2016)

The Improvement of System Damping by Grid Integration of PV Energy Sources. - Jan-Hendrik Hattingh; Johan Rens; Gerhard Botha (AMPS, 2017)

Evaluation of Harmonic Distortion from Multiple Renewable Sources at a Distribution Substation. - Brandon Peterson; Johan Rens; Gerhard Botha; Jan Meyer; Jan Desmet (AMPS, 2017)

Measurement Uncertainty of Current Harmonics During the Assessment of Compliance to Grid Code Requirements. - Zander Marais; Johan Rens; Brandon Peterson; Gerhard Botha (AMPS, 2018)

Impact of Aggregation Interval on Harmonic Phase Angle Measurements. - Brandon Peterson; Ana Maria Blanco; Johan Rens; Jan Meyer; Gerhard Botha; Jan Desmet (AMPS, 2018)

On the Remote Calibration of Voltage Transformers: Validation of Opportunity. - Sané Rens; Johan Rens; Johann Holm; Gerhard Botha; Jan Desmet (AMPS, 2018)