Power quality refers to the quality of power in a power system. The ideal electrical energy would be a perfectly symmetrical sine wave. A number of factors can cause the waveform to deviate from the symmetric sine, which can lead to power quality problems.
Frequency converter is a power control equipment which uses frequency conversion technology and microelectronics technology to control AC motor by changing the working power frequency of motor.
Photovoltaic power system refers to the system that converts wind and sunshine resources into high-grade power energy respectively, and stores the energy by storage batteries.
UPS is an uninterruptible power supply that contains an energy storage device. It is mainly used to provide uninterrupted power supply for some devices that require high power stability.
5G is a new generation of broadband mobile communication technology featuring high speed, low delay and large connection. It is a network infrastructure for the interconnection of man and machine.
Electric vehicle refers to the vehicle which is powered by on-board power supply and drives the wheel by motor, and meets the requirements of road traffic and safety regulations.