Abstract
This paper presents advanced measurement technology to clarify the interaction between harmonic current sources and utility power systems. Difficulty to solve harmonics problem is, as a well-known fact, originated with the difficulty to clarify cause and effect between harmonic source and utility power systems. If we could measure harmonic current of inflow to load side from utility power network and outflow to utility power network from load side, the harmonic problem will be easily solved and prevented. Many kind of harmonic instruments are being used, however, no practical technology has been provided so far. The authors have developed active harmonic instrument using current injection of inter-harmonic frequency (noninteger harmonics), which exist small amount in utility power systems. The active harmonic instrument can measure harmonic impedance for power supply side and load side individually and clearly discriminate between inflow of harmonic current to load side and outflow to power supply side from loads. They have successfully confirmed the performance of this instrument in actual distribution network. This technology will contribute not only to the improvement of power quality of utility power systems but also to be able to clarify distribution of harmonic current in utility power network.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
