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DC Choke For Induction Furnace

DC Choke For Induction Furnace

In an induction furnace, a DC choke is an important component used in the power supply system to control and stabilize the flow of direct current (DC). It is an inductor specifically designed to smooth out the current and limit the rate of rise of current in the system.

Here's how the DC choke functions in an induction furnace system:
  1. Rectification: The incoming AC power is converted into DC power using a rectifier. This rectification process creates a pulsating DC waveform.
  2. Smoothing: The DC choke is connected in series with the output of the rectifier. It acts as a smoothing element, filtering the pulsating DC waveform to reduce ripples and create a more constant and smooth DC output.
  3. Current Limiting: The DC choke's inductive property limits the rate of rise of current in the system. This is important to prevent sudden surges or spikes in current, which could damage the equipment or cause instability in the induction furnace.