Automatic Mains Failure sequence. AMF
As your House - Office or Factory is running normally you will be connected to the mains electric supply. When the mains fail the electrical power is cut off to your building, the following sequence of events will ensure you suffer an minimum disruption.
- The AMF controls supplied with your generator automatically detects that the mains has failed and disconnecting the mains input cables within the Load Transfer Panel. (LTP). Some times referred to as the 'change over switch'.
- This LTP send a signal to your generator to start. It only takes around 3 to 6 seconds for the generator to start.
- Once the generator is running, the LTP lets it run for a further 2 or 3 seconds to stabilise before connecting the Factory - Office or Home load to the generator.
- Power to your building is then restored using the generator in around 10 to 15 seconds.
The generator will continue to supply power to your building for as long as necessary.
- As soon as the mains electricity is restored by the electric company the DSI LTP senses mains power is now available once more.
- The LTP allows the generator to supply your building for a further 5 or 10 minutes just to see if the mains electricity supply has been fully restored and not going off again straight away.
- With a stable mains supply the LTP switches your building back on to mains electricity. This happens in less than 1 second and normally you will not notice a break in the power.
- The generator will continue to run for a further 2 or 3 minutes cooling down and to see if the mains supply is truly stable.
- The generator now shuts down and is ready for another mains supply failure.
All the above is fully automatic needing no human intervention. You should only experience one break in power lasting no longer then 10 to 15 seconds.
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