Introduction of main control panel function of intermediate frequency furnace

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Equipment electrical maintenance knowledge

Introduction of main control panel function of intermediate frequency furnace

Time: 2019-08-15

Introduction of main control panel function of intermediate frequency furnace

The main control board of the intermediate frequency furnace: the core components adopt the American ASIC2 high-density integrated circuit block, the phase sequence adaptive circuit, the inverter adopts the sweeping zero-voltage starting mode, the frequency tracking circuit adopts the average sampling scheme, and the inverter circuit adds There is an inverter angle adjustment circuit that automatically adjusts the load impedance matching. With heavy-duty start and lack of material protection.

Function and protection: The core digital circuit of this main control board has two input/output interfaces. The internal functions include rectification phase shift trigger, phase sequence adaptive, inverter trigger, inverter lead angle lock, inverter repeat start and main control board. Undervoltage automatic protection and other functions.

◇Main circuit short circuit protection

◇Main circuit phase loss protection

◇High voltage and low protection

◇Cooling water pressure low protection

◇ Cooling water temperature protection

◇SCR overvoltage, overcurrent protection

◇Load overvoltage, overcurrent limit

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