1. The green wire is the ground wire, just the ground wire in the wiring harness (also green).
2. Blue (usually blue/white or blue/yellow) is the trigger coil wire, which is connected to the igniter.
3. Yellow and white are lighting charging coil wires, which are connected to the same color wires of the rectifier.
4. Red (usually black/red or white/red) is the magneto ignition coil wire, which is connected to the igniter to provide ignition power to the igniter.
The green and ** two are not connected, it is to change the DC, this has no effect.
Extended information
Motorcycle electrical wiring:
The electrical wiring of motorcycles is basically similar to that of cars. Electrical circuits are divided into power supply, ignition, lighting, instrumentation and audio parts.
The power supply part is generally composed of an alternator (or powered by a magneto charging coil), a rectifier, and a battery. Magnetos for motorcycles also have various structures depending on the model of the motorcycle. Generally, there are two forms: flywheel magneto and magnet rotor magneto.
Flywheel magnetos are generally used on small-displacement micro and light motorcycles. Inside the flywheel, four magnets are evenly distributed, rotating with the engine crankshaft, and the stator frame is fixed on the crankshaft. On the box, there are magneto coils, lighting coils, and breaker assemblies fixed on it. When the flywheel rotates, the magnetic field lines alternately pass through each coil, causing the coils to generate induced alternating current.
In the magnet rotor type magneto, its structure is opposite to the above. Six magnets are evenly distributed on the circumference of the rotor. The magnets and the rotor are die-cast together with aluminum alloy, and the rotor is keyed to the crankshaft. connect. There are six sets of coils wrapped around an iron core distributed within the stator. When the rotor rotates in the stator, the magnetic field lines alternately pass through the stator coil, causing it to induce alternating current.
There are three types of ignition methods for motorcycles: battery ignition system, magneto ignition system and transistor ignition system. In the ignition system, there are two types: contact capacitor discharge ignition and non-contact capacitor discharge ignition. The English abbreviation of contactless capacitive discharge is C.D.I. C.D.I actually refers to a combined circuit composed of a capacitor charging and discharging circuit and a thyristor switching circuit, commonly known as an electronic ignition.
There are wires of various colors distributed in the motorcycle circuit. It is customary to use the red wire as the power "+" wire, the black wire as the "-" wire, the orange wire as the wire leading to the ignition coil, and the magnetic wire. The motor output current is the white wire, the blue wire is the headlight wire, etc. This is just a general usage for reference.
What are the common cooling methods for turbine generators?
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Commonly used cooling methods for turbine generators are:
(1) Air cooling. It is divided into open air cooling and closed circulation air cooling. The so-called open air cooling is that in ordinary small generators, the generator fan draws cold air into the motor from the factory building, cools each part, and then discharges it out of the machine. Closed cycle air cooling is used in large and medium-sized generators. After the cooling air comes out of the generator, it is led under the machine pit. After being cooled by a set of air coolers, it is driven into the motor by a fan. This air is always circulated internally to keep the machine clean.
(2) Water cooling. Generally, it is double water internal cooling, that is, the conductors of the stator winding and the rotor excitation winding are hollow, cooling water is passed inside the conductors, and the stator bore is still cooled by air. Although the cooling efficiency is high, the inside of the conductor is prone to scaling and clogging.
(3) Hydrogen cooling. It is divided into two cooling methods: hydrogen external cooling and water hydrogen cooling. Hydrogen external cooling is the same as air cooling, except that the cooling medium is changed from air to hydrogen, but the hydrogen cooler is inside the machine. The difference between water-hydrogen cooling and hydrogen cooling is that cooling water is passed inside the stator winding conductor, and the rest is the same as hydrogen external cooling.
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