| Island mode | |
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Island mode operation is typically used in power plants that are isolated
from the national (or local) electricity distribution network. There are two
key types of island mode operation:
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| Automatic mains failure (AMF) and fixed power | |
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Automatic Mains Failure (AMF): If there is a significant loss of mains power or a total blackout, the controller automatically changes the supply to the emergency generator. This makes sure that there is power during a mains failure and prevents damage to electrical equipment. Fixed power: When given a signal, the controller automatically starts the genset and synchronises to the mains. After the generator breaker closes, the controller ramps up the load to the set point level. When the stop command is given, the genset is de-loaded and stopped after the cooling down period. |
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| Peak shaving, load take-over, and mains power export | |
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