ATS (Auto Transfer Switch ) with 3 sources input
The clasical ATS system already shared by every one , but now a days we may need 3 thource ATS type through which we can manage the sources like hybrid power system Mains power supply , Generators, Solars , inverters ,
If we look at the figure first of all source (S-1) will be connected as the relay will be energized through transformer which is connected to the Source (S-1),
Failure of Source (S-1) relay will not in the energized position , where common pin will be connected to relay (NC) pin , here NC pin is connected to the relay 2 common pin ,
If source (S-2 ) available relay 2 will be energized common pin will be connected to relay 2 (NO) ,
source (S-2) will be connected through NO pin then to Common of relay 2 ,then to NC of Relay 1 finally to output.
If source (S-2 ) unavailable relay 2 will be off , source (S-3) will be connected through NC of relay 2 then common pin then to the NC or relay 1 finally to the output.
https://www.youtube.com/channel/UCo9zgx6UXdhBhpF51f5JjDw
SIMPLE IDEA
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