Frequency Power Supply Frequency variable power supply
Frequency variable power supply
Frequency variable power supply transforms the alternating current
of market cable from the path ACDCAC, exporting pure e output and
adjustable frequency and voltage within the specific limits. It is
different from frequency variable controller in speed regulator of
electromotor and any ordinary AC power supply. Frequency variable
power supply approaches ideal AC power supply, which has the
character of stable frequency, stable voltage, zero-inner-
resistance, and pure sinusoidal wave output (without distortion).
So it is more and more popular in the advanced developed countries
that frequency variable power supplies are used as the standard
supplies in order to offer excellent power supply situations and it
is easy to examine the technical features of the electric apparatus
objectively.
There are two main kinds of frequency variable power supply: Linear
enlarging type and SPWM switch type. Our DP series products are
designed by initiative component IGBT module, regard
micro-processor and SPWM as technical core and working style. The
technologies of digital frequency division, D/A changing, instant
feedback, sinusoidal wave width regulation ensures our product
reach capacity of 300KVA for each single machine. It also has the
characters of high adaptability to load, high quality of output
wave form, convenient operation. Furthermore, the reliable running
is guaranteed by protections in case of short circuit, over
voltage, over current, overload, over temperature and etc.
