◇ System power factor: At full voltage, the power factor reaches 0.92;        

◇ oxidation and decarbonization: billet heating oxidation loss not greater than 0.3% of the billet diameter, the surface decarburized layer depth is no more than 0.3mm.        

◇ Energy consumption: no more than 370kw.h/t when the load and the workpiece are optimally coupled;        

◇ Startup performance: 100% success rate for hot, cold, no-load or full load start;        

◇ Short-circuit protection: When the load is short-circuited, the heating system can be reliably shut down and protected, and will not cause damage to various components;        

◇ Water temperature protection: Induction coil, intermediate frequency power supply and capacitor are equipped with water temperature sensor. When the circulating water temperature exceeds the rated temperature, it can alarm immediately or automatically turn off the intermediate frequency power supply;        

◇ Safety protection: There is no liquid or gas leakage in the whole machine. The housing should have reliable grounding protection. For the place that is easy to cause safety accidents, there should be a protective cover with a prominent safety mark.        

◇ Noise: less than 8 0db        

◇ Appearance quality: beautiful appearance, bright paint, strong welding, thorough rust removal, smooth surface smoothing, reasonable spacing of all parts, clear edges and corners, clear color standard, flexible door leaf opening, beautiful appearance.        

SCR intermediate frequency power cabinet

1. The main technical parameters of KGPS-500/0.5 IF power supply are as follows:

2. BSC8M-2 main control board : The core components adopt American ASIC2 high-density integrated circuit block, phase-phase adaptive circuit, inverter adopts sweep-type zero-voltage start mode, frequency tracking circuit adopts average sampling scheme, inverter circuit There is an inverter angle adjustment circuit, which can automatically adjust the load impedance matching. With heavy-duty start and lack of material protection.

3. Function and protection: The core digital circuit of this main control board has 31 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 panel 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        

4. Filter reactor: The silicon steel sheet selected by the reactor is Z10 cold-rolled high permeability silicon steel sheet produced by WISCO. The copper tube is wound with T2 oxygen-free copper tube produced by Luoyang Copper Material Factory. Double winding wire package, mica tape banding, Class H insulation, noise below 70 decibels during operation;

5, universal circuit breaker: the circuit breaker of the intermediate frequency power supply front switch cabinet uses DW-17 model;

6. Operation panel: The panel is equipped with DC voltage, DC current, intermediate frequency voltage, intermediate frequency power, intermediate frequency and other block tables. It is equipped with AC split/close, medium frequency start/stop, fault reset button, over current, over voltage indicator, internal/external control switch and power potentiometer. The power output of the inverter can be arbitrarily adjusted within the range of 10% to 100%.

7. Inverter cooling water protection system: The intermediate frequency power supply cabinet adopts closed cooling water, the thyristor and the reactor are installed with water temperature protection. When the water temperature exceeds the rated value, the inverter automatically shuts down; all the inlet and outlet pipes are made of stainless steel.

8. The external structure of the inverter: the external structure is the standard GGD cabinet, the three-door cabinet, the external dimensions (length × width × height): 2400 × 900 × 2000mm, the cabinet is spray-treated, the color is light green .