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EE13 transformer inductance adverse factors and solutions

A, turns right <L value = AL value because the number of turns squared ×>;

B, the core broken;

C, line package size too fat or low cross inside the core;

D, core end face stained with foreign matter;

E, uncoated cores tape tight;

F, winding shorted <sometimes on the other side of the winding layers of other mutual winding shorted PIN>;

G, the impact of stress ring cores;

H, poor core material <posttest voltage or DC resistance of the inductor will rise>;

 
High-frequency transformer inductance bad solution:

A, adjusted to the correct number of laps <identify the impact of the number of turns inconsistent reasons: people, machines, methods>

B, is to identify the core smashes, or is overweight baking line package after bursting core, the core material is relatively brittle;

C, pressure line packet processing, adjusting winding method <Example: separated from the tail head with overlapping positions, the position of the cannula into the slot, cable way, inter-layer tape taut package equal>, slightly larger selection of cross- core;

D, core assembly before the end of the flat paper to wipe clean, grind core GAP dried after washing with water and then keep clean work surface, avoiding the core end face stained with foreign matter;

E, taping machine tension adjustment, in the end face of the use of anaerobic core operations;

F, check Winder wire wheels, wire plate wear, whether copper pinhole exceeds specification / inspection results and immersion tin wrapped around the wire temperature <low> and techniques <not vertical unload>;

G, in ensuring the effectiveness of the cable, the winding relax, before winding cores to 120 ℃ bake 1H cool before using, replacement should be strong core, a shell jacket in the core;

H, replacement of the core, the first test pressure, standing 2H later inductance measurements, using degaussing degaussing machine;

Source：HUITUE transformer bushing auto through machine Manufacturers