Intelligent high-precision voltage stabilizing device for adaptive wide dynamic power supply
A voltage stabilizer, wide dynamic technology, applied in the direction of regulating electrical variables, control/regulating systems, instruments, etc., can solve problems such as affecting the quality of external power supply power supply, large system power loss, and easy heating of thyristor on-resistance, etc. Achieve the effect of reducing its own power consumption, low current loss, and power saving
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[0012] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.
[0013] see figure 1 , an intelligent high-precision voltage stabilizing device for adaptive wide dynamic power supply, including a compensation transformer (T1), 4 IGBTs and an intelligent drive control system; the live wire of the input power is connected to the head end of the secondary side of the compensation transformer (T1); the input The live wire of the power supply is also connected to the collector of the first IGBT (Q1) and the first contactor (KM1) through the harmonic suppression inductor (L1), and connected to the primary side of the compensation transformer (T1) through the contact of the first contactor (KM1) Tail end; the first IGBT (Q1) and the second IGBT (Q2) are connected in series, and the collector of the second IGBT (Q2) is connected to the collector of the high-frequency filter inductor (L2) and the third IGBT (Q3); high-frequen...
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