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ATS Cuts over System

Automatic transfer switch is used to switch an electric load back and forth between a primary source-a utility, and a secondary source- a generator. Transferring power from the primary source to the secondary source is necessary when the incoming power quality deviates from set limits. The transfer switch is also used to switch the source back to utility.
Upon recognizing any one of a number of faults with the utility power, the embedded controller is configured to switch in the secondary source of power, the generator, via the transfer switches. In about five to ten seconds, when the generator is producing full power, the ATS transfers the connection of the load from the utility to the generator, restoring electricity to the load. The transfer switch continues to monitor utility power, switching the load connection from the generator back to the utility when it is restored. Once the generator is disconnected, it goes through a cool-down routine and then automatically shut down. ATS current is available from 20 to 3200Amp.

Choosing the right ATS for the generator set
Generator Set Current: = Genset KVA*1000/Voltage/1.732
ATS current should be 120% of the generator set current
ATS Cuts over System Features:
For emergency power usage in building, Auto transfer switch (ATS) plays an essential role.
ATS can automatically transfer load connection from mains power supply to emergency power supply.
When the main power supply fails or voltage drops below 80% of normal voltage, ATS will automatically start emergency generator set as preset
Once generator reach rated speed in 0-10sec (adjustable according to the users). The ATS will transmit current to the load smoothly.
The ATS has a wide range current as well as load transform is feasible (20-3200A)



Power World ATS Cuts over Systems example



 

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