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A new digital relay for dispersed storage and generation (DSG) units (power systems)

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2 Author(s)
Brown, D.R. ; Bradley Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Phadke, A.G.

A dispersed storage and generation system consists of both a source of energy for conversion to electricity and a means to interconnect this unit to the electric utility system. Most dispersed generators connected to the utility distribution system are less than 5 MW. A new emerging problem arises when a utility circuit breaker is opened while a capacitor-bank and load is energized very near a dispersed storage and generation unit. A new resonance-detecting relay will be developed that has the ability to trip if dangerously high off-nominal frequency voltages are produced at the capacitor-bank or load during this condition (capacitor-excitation)

Published in:

System Theory, 1996., Proceedings of the Twenty-Eighth Southeastern Symposium on

Date of Conference:

31 Mar-2 Apr 1996