Research on Ferromagnetic Resonance of Isolated Distribution Networks with Neutral Point Ungrounded | IEEE Conference Publication | IEEE Xplore

Research on Ferromagnetic Resonance of Isolated Distribution Networks with Neutral Point Ungrounded


Abstract:

In order to improve the operational reliability of the neutral point ungrounded medium-voltage isolated distribution system and reduce the risk of ferromagnetic resonance...Show More

Abstract:

In order to improve the operational reliability of the neutral point ungrounded medium-voltage isolated distribution system and reduce the risk of ferromagnetic resonance, this paper establishes a simulation model for reproducing the accident of a 6.6kV neutral-point ungrounded isolated grid distribution system in a power station. In this system, the characteristics of the distribution system's ferromagnetic resonance and the elimination effect of various common protective measures are explored and the influence of the fault phase on single-phase fault clearance and single-phase arc grounding to excite ferromagnetic resonance are separately studied. The research conclusions of this paper have important reference value for the reasonable determination of elimination methods for the neutral point ungrounded isolated grid distribution system.
Date of Conference: 28-30 May 2021
Date Added to IEEE Xplore: 17 August 2021
ISBN Information:
Conference Location: Wuhan, China

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