SCYC51010 脉冲板 他的作用其实和普通变压器是一样的

ABB  SCYC51010 58052515G  脉冲板
SCYC51010脉冲板一般是用在开关电源里的，他的作用其实和普通变压器是一样的，都是给交流电变压，不同的是普通变压器变压的是正弦波而脉冲变压器变压的是有一定或可调占空比的方波（可以理解为脉冲信号），目前常用的PWM信号即脉宽调制信号。脉冲变压器变压的信号要比不同电源变压器的频率高的多，一般为10K--100kHZ,而普通电源变压器为50HZ。SCYC51010这样脉冲变压器的效率就要比普通变压器高得多，体积亦可以小很多，体积可以缩小--这就是开关电源比线性电源（普通电源变压器的电源）优越的特点之一。SCYC51010 把正弦波变成脉冲波输出的不是脉冲变压器而是变压器前端的控制电路。他通过把PWM信号把被滤波整流成直流的市电调制成高频的脉宽电压，通过脉冲变压器变压，然后通过滤波整流把变压后的脉宽电压变成直流

SCYC51010 pulse board is generally used in switching power supply. Its function is actually the same as that of ordinary transformer, which transforms alternating current. The difference is that ordinary transformer transforms sine wave while pulse transformer transforms square wave with a certain or adjustable duty ratio (which can be understood as pulse signal). At present, the commonly used PWM signal is pulse width modulation signal. The signal transformed by pulse transformer is much higher than the frequency of different power transformers, generally 10K--100kHZ, while that of ordinary power transformers is 50HZ. SCYC51010, the efficiency of pulse transformer is much higher than that of ordinary transformer, and its volume can be much smaller, which is one of the advantages of switching power supply over linear power supply (the power supply of ordinary power transformer). SCYC51010 turns sine wave into pulse wave, and it is not the pulse transformer that outputs it, but the control circuit at the front end of the transformer. He modulates the filtered and rectified commercial power into high-frequency pulse width voltage by PWM signal, transforms it by pulse transformer, and then transforms the transformed pulse width voltage into DC by filtering and rectifying.

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