BKAD1-125-40010

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BKAD1-125-40010, also known as Transformer-Backing Rectifier Power Supply, can be used for distributed power networks, also commonly known as bus supply or wireless communication applications. This type of power supply works by transforming, rectifying and regulating the incoming line voltage to generate the required DC voltage. It is designed to provide constant, reliable, stabilized power, and allow for multiple output voltages with high line stability and low power loss.

Its application in distributed power networks is mainly for wireless communication tower protection systems. When such systems are installed on top of a tower, power needs to be provided to the control systems, monitoring devices, measurement equipment and antennas. Due to the hazardous nature of the environment, the power supply is equipped with overload protection devices and load protection devices. This ensures the safety of personnel and equipment on-site.

The working principle of the Transformer-Backing Rectifier Power Supply is composed of four stages. In the first stage, the rectifier module has a DC link capacitor and the bridge rectifier circuit. The incoming AC voltage is rectified by the bridge rectifier, and the resulting DC voltage is stored in the DC link capacitor.

In the second stage, the DC voltage is sent to the main switch circuit where it is switched and sent to the transformer. At the same time, the transformer\'s secondary winding serves as the back-to-back rectifier, which further rectifies the AC voltage to produce two equal DC voltages. Finally, the two DC voltages are sent to the output for load voltage regulation.

The third stage consists of a voltage regulation circuit, which is used to adjust the output voltage of the power supply. This is done by controlling the duty cycle of the PWM signal that is sent to the main switch. Depending on the type of load, the voltage can be regulated to a certain desired level.

In the fourth stage, the output voltage is equipped with an overload protection device and a load protection device. This ensures that the output voltage does not exceed the maximum limit, and the load is not overloaded. Once the maximum limit or load is reached, the power supply will shut down automatically to protect the equipment.

The Transformer-Backing Rectifier Power Supply is designed for distributed power networks, and wireless communication tower protection system. It provides constant, reliable, stabilized power, and allows for multiple output voltages with high line stability and low power loss. The power supply is equipped with an overload protection device and a load protection device to ensure the safety of personnel and equipment on-site.

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