Microgrid OverviewCurrent Transformer OverviewOvercurrent Relay Block OverviewOvercurrent Relay SettingsRelay Operating Time For A Phase to Ground(L-G) FaultRelay Operating Time For A Two-Phase to Ground(L-L-G) FaultRelay Operating Time For A Two-Phase(L-L) FaultRelay Operating Time For Three-Phase(L-L-L) FaultThe figure below shows an AC microgrid with a source, transformer, distribution lines, current transformers, circuit breakers, overcurrent relays, and loads. The microgrid is connected to the grid at 132 kV. A three-phase transformer steps down the source voltage from 132 kV to 33 kV. The current transformer blocks step down the current within theSee more on mathworks S&C Electric Company[PDF]
Article Reprint 2000-R157 - sandc
Microgrid protection often requires a different approach to system and equipment protection than a conventional distribution system protection does, especially, to accom-modate the microgrid grid-tied
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