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正弦调制镀铁电源(图1),由整流器、滤波器和调制器三部分组成。自耦调压器 OB_直和OB_交分别控制直流分量和交流分量的大小,电抗器L和电容器C组成整流电源的滤波器。C兼作调制交流去镀槽的通道,L则兼作阻流圈。电源的输出波形函数为y=a+bsinωt(其中a为直流分量,b为交流幅值,ω为工频角频率),随着a,b大小的变化,电源将输出图2示诸种波形。当a按图3规律增长时,图2中
Sinusoidal modulation of iron power supply (Figure 1), by the rectifier, filter and modulator of three parts. Autotransformer OB_ direct and OB_ AC and DC respectively control the DC component and the size of the AC component, reactor L and capacitor C form a rectifier power supply filter. C doubles as a channel to modulate the exchange to plating tank, while L also serves as a choke ring. Power output waveform function is y = a + bsinωt (where a is the DC component, b is the AC amplitude, ω is the frequency of industrial frequency), with a, b size changes, the power supply will be shown in Figure 2 shows a variety of waveforms . When a increases according to the law of Figure 3, Figure 2