1301720515

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1301720515 is a high-efficiency frequency-dependent power factor correction circuit. It is mainly composed of high-frequency medium-frequency control unit, rectifier bridge and high-frequency transformer. The high-frequency or medium-frequency control unit is responsible for outputting high-frequency or medium-frequency trigger signal, so that the rectifier bridge switch can be controlled. The rectifier bridge is composed of six diodes or thyristors, which can provide the steady and adjustable direct current to the electric equipment.

The alternative current signal output by the high-frequency or medium frequency control unit is the feedback signal of the load, which is the current signal redirected by the transformer. When the change of load current has a certain relation with the change of voltage, the power factor correction circuit can control the output voltage of the rectifier bridge to reduce the current phase difference, thus improving the power factor.

The working principle of the high-efficiency frequency-dependent power factor correction circuit is actually a closed-loop control, that is, the rectifier bridge output voltage is controlled by the error of the feedback current signal. The control loop includes a current transformer, a rectifier bridge and a high-frequency or medium-frequency control unit. The control unit receives the input current and voltage signals through the current transformer and obtains the power factor correction value from the input current and voltage signals. Then the control unit sends the trigger signal to the rectifier bridge for switching the power converter switch.

1301720515 has many application fields in the industrial field, such as household appliances, electric tool motors, electric measuring equipment, dynamic lighting equipment, electroplating equipment, electric welding machines and so on. It can effectively reduce the output power supply voltage ripple, improve the power factor, reduce the power loss and improve the power quality.

In addition, 1301720515 has many advantages, such as small size, high efficiency, wide adjustment range, fast response speed, short circuit protection and low cost. In order to ensure the accuracy of power factor correction, the rectifier bridge also has a temperature compensation device. This device can make the power factor correction more stable, so as to ensure the reliable operation of the whole system.

In summary, 1301720515 has wide applications in the industrial field, and its working principle is a closed-loop control. Its advantages such as small size, high efficiency, fast response speed and low cost make it popular in the circuit. In addition, the temperature compensation device can keep it stable and reliable in the long-term operation.

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