Product Introduction:
JJW-3000VA Ac Dc Regulated Power Supply
Ac DC regulated power supply An electronic device that provides a stable AC power supply for a load. Also known as AC voltage regulator.
Ac dc regulated power supply is widely used and has many types, which can be roughly divided into the following types.
No contact AC regulator:
① Ferromagnetic resonant AC regulated power supply: The AC voltage regulator is made of constant voltage voltammetry after the combination of saturated choke and the corresponding capacitor. The magnetic saturation type is the early typical structure of this kind of regulator. It has the advantages of simple structure, convenient manufacture, wide range of input voltage allowable variation, reliable operation and strong overload capacity. But the waveform distortion is large and the stability is not high. The voltage regulating transformer developed in recent years is also a power supply device that realizes the voltage regulating function with the help of the non-linearity of electromagnetic components. The difference between it and the magnetic saturation regulator is that the magnetic circuit structure is different, and the basic working principle is the same. It realizes the dual functions of voltage regulator and voltage transformer in one core at the same time, so it is superior to ordinary power transformers and magnetic saturation regulator.
② Magnetic amplifier type AC regulated power supply: the magnetic amplifier and the autotransformer are connected in series, and the impedance of the magnetic amplifier is changed by the electronic line to stabilize the output voltage device. The circuit form can be linear amplification, or pulse width modulation. This type of regulator has a closed-loop system controlled by feedback, so it has high stability and good output waveform. However, due to the use of large inertia magnetic amplifier, the recovery time is longer. And because of the use of autocoupling mode, so the anti-interference ability is poor
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