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PEL90206-61RTN Application Field and Working Principle

The PEL90206-61RTN is a single-phase automatic transfer switch (ATS) module designed for use in unbalanced, dynamic load applications such as those encountered in residential load sheds, backup power sources, and voltage or frequency regulating systems. Its internal microcontroller controls the contactor coils and monitors incoming and outgoing voltages to ensure continuous power supply even in the event of a voltage or frequency change. In this article we will discuss the application fields and working principle of the PEL90206-61RTN.

Application Field

The PEL90206-61RTN is suitable for use in any application where it is necessary to continuously supply a single-phase load from two independent AC power sources. Typical applications include residential load shedding, off-grid backup power, and emergency off-grid power systems. It can also be used in combined systems, such as one in which a generator supplies power during peak demand periods and the grid supplies power during off-peak demand periods.

The PEL90206-61RTN is also suitable for use in off-grid renewable energy systems, such as those that are powered by solar or wind. In such applications, the ATS module allows for a seamless transition between the renewable energy source and grid power when necessary. This ensures that the load is supplied with continuous power regardless of cloud cover or wind conditions, even during periods of heavy or extreme weather.

The PEL90206-61RTN also has applications in voltage and frequency regulation systems. These systems use the ATS module to ensure that a consistent voltage and frequency are maintained even in the event of a sudden drop or increase in the incoming supply voltage or frequency. This ensures that the system remains stable and load is not interrupted.

Working Principle

The PEL90206-61RTN operates on a hybrid workings principle. The ATS module utilizes two independent contactors to switch the load from one of two independent AC power sources. The contactors are controlled by a microcontroller, which monitors the incoming supply voltage and frequency and initiates transfer when necessary.

The microcontroller also instructs the contactor coils when to open and close, ensuring that there is no interruption in power supply to the load. The microcontroller also monitors and filters out any voltage spikes, ensuring that there is no disruption of power to the load. In the event of a sudden increase or decrease in voltage or frequency, the microcontroller will monitor the incoming voltage and frequency and initiate a transfer only when necessary.

The PEL90206-61RTN module also has a built-in delay timer to prevent short-cycling. When the unit is triggered by a voltage/frequency change, the timer will delay the transfer until it is certain that the new source is able to supply the load.

Conclusion

The PEL90206-61RTN ATS module is a single-phase device designed for use in unbalanced, dynamic load applications. It is suitable for use in any application where it is necessary to continuously supply a single-phase load from two independent AC power sources. Its internal microcontroller monitors incoming and outgoing voltages and frequencies and controls the contactor coils, ensuring a seamless transition between power sources.

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