Product Introduction

Technical parameters and functions

Power unit principle: The power unit is a component of the power system, whose main function is to convert

the direct current of the power source into variable alternating current and achieve power regulation of the

power system. Power units can be divided into two types: DC-AC converters and AC-DC converters. DC-DC

converters control the conduction and turn off of switching devices, allowing the electrical energy of the DC

power supply to be output in the form of variable frequency and variable voltage. They are commonly used to

drive AC motors and supply AC loads. The AC-DC converter converts the electrical energy of the AC power

supply into a stable DC power output through circuits such as rectification and filtering, and is suitable for

applications such as DC motors, power electronic devices, and electric vehicle charging

Application scenarios

Application scope: Suitable for various occasions that require DC speed regulation, such as the armature and

excitation power supply of adjustable speed DC motors.

Working principle: Based on controlling the conduction and disconnection of switch devices, the conversion

and control of electrical energy are achieved by adjusting parameters such as the on-off time and frequency

of the switch devices. DC-DC converters adjust the output power and quality by changing parameters such as

the conduction angle and triggering time of switching devices; The AC-DC converter achieves stable output

voltage by controlling the working state of the rectifier circuit

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