Considering the sinusoidal current thyristor
module are right and wrong, existence question and the load current of the conduction angles are surely the volatility and instability factors, talent and thyristor chip resistance current shock is poorer, it necessary to set aside in the selected module current standard must be allowance.
Thyristor module cooling condition is good or bad is directly related to the use of the goods stature and short-time overload talent, the lower the temperature the greater the output current of module, so the necessary equipment in the use of the radiator and fan, claiming the goods, choose with overheating maintenance function selected water-cooled radiator water cooling condition is preferred.
After serious measure, concluded that the different types of goods, equipment type radiator, probably recommend choose manufacturers supporting the radiator and fan, you should bring along their own can choose according to the following criteria: 1, axial flow fan's wind speed should be greater than 6 m/s.
2, it is necessary to ensure the normal operation module when the heat dissipation plate temperature is not more than 80 ℃;
3, thyristor module load is lighter, can reduce the size of the radiator or choose natural cooling;
4, when choosing a natural way to cooling radiator ambient air convection and appropriate to end increasing radiator area;
5, all necessary to tighten the screw fastening modules, line pressing terminal connection strength, to reduce secondary the happening of heat, module between floor and radiator is necessary to coating a layer of thermal conductive silicone pad or the size of a plate heat conduction pad, to reach the best cooling effect.
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