新穎的Buck-Boost型正弦交流穩(wěn)壓器

摘要：新穎的Buck-Boost型正弦交流穩(wěn)壓器電路結(jié)構(gòu)，由輸入周波變換器、高頻儲能式變壓器、輸出周波變換器以及輸入、輸出濾波器構(gòu)成，能夠?qū)⒁环N不穩(wěn)定的劣質(zhì)交流電變換成另一種同頻穩(wěn)定的優(yōu)質(zhì)正弦交流電。本文對Buck-Boost型正弦交流穩(wěn)壓器的電路拓?fù)洹⒖刂品桨傅冗M(jìn)行了分析研究。原理試驗結(jié)果表明，Buck-Boost型正弦交流穩(wěn)壓器具有強(qiáng)的負(fù)載適應(yīng)能力、優(yōu)良的穩(wěn)壓性能和高質(zhì)量的輸出正弦波形等優(yōu)點(diǎn)。 敘詞：正弦交流穩(wěn)壓器；Buck-Boost型；周波變換器 Abstract：Novel circuit configuration of the Buck-Boost mode regulated sinusoidal ac power supply is constituted of input cycloconverter, high frequency storage transformer, output cycloconverter, input and output filters. The unsteady input AC voltage with high harmonic can be transformed into the steady sinusoidal voltage with low harmonic. The circuit topology and control strategy are analyzed in this paper. Principle test results show that the Buck-Boost mode regulated sinusoidal ac power supply has many advantages such as strong load adaptability, perfect voltage-regulation performance and good output sinusoidal waveforms. Keyword：regulated sinusoidal ac power supply；buck-boost mode；cycloconverter