Make your own CI coil

00:00 / 00:00 Normal 4 times speed 2 times speed 1.5 times 1.25 times normal 0.5 times normal load error The coil usually refers to a ring-shaped wire winding, the most common coil application: motor, inductance, transformer, and ring antenna or the like. The coil in the circuit refers to an inductor. It is a guide to a wire, and the wires are insulated from each other, and the insulating tube can be hollow or the core or magnetic powder core, referred to as an inductance. Inductors can be divided into fixed inductance and variable inductance, fixed inductance coil referred to as inductance or coil. Tenked L, unit has Henry (H), millh, micro-Chinese (UH), 1H = 10 ^ 3MH = 10 ^ 6uh. The coil is mainly divided into: 1, single layer coil Single-layer coils are on the paper tube or rubber frame with an insulated wire. Such as a transistor radio wave antenna coil. The single layer winding is a winding that is only embedded within each of the stator slots, so its total number of coils is only half of the number of motor total slots. The advantage of a single layer winding is that the number of winding coils is relatively simple; there is no increase in the utilization rate of the insulation of the interlayer; the single-layer structure does not occur in phase breakdown failure. Disadvantages is that the electromagnetic wave generated by the windings is not ideal. The iron damage and noise of the motor are large and the starting performance is slightly poor, so the single layer windings are generally only used in small capacity asynchronous motors. 2, hive style If the winding coil is not parallel to the rotating surface, but intersects a certain angle, such a coil is called a hive coil. And the number of times the wire is rotated back and forth, and it is often referred to as a depreciation. The advantage of the hive-style winding is that the size is small, the distributed capacitance is small, and the inductance is large. The hive coils are all wrapped with hive windows. The more depreciation, the smaller the distribution capacitance. The hive coil is small, small incentive capacity, large inductance, and the Q value is high, so many radios are tuned, the oscillator coil and high frequency choke, etc., all in this way, the effect ratio Good in other ways. In the factory, this coil is typically wrapped in a hive. The following video mainly introduces the tutorial of the CI coil you make. Read more

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