First of all, 220V voltage is enough to drive most home appliances. However, if you find that your permanent magnet DC motor wind turbine cannot power your home appliances, it may be due to the following reasons: Insufficient current: Your generator may not be producing enough of current to drive home appliances. You need to check that your generator is producing enough current at all wind speeds.
Excessive cable resistance: The cables connecting the generator to the appliance may have excessive resistance, restricting the flow of electricity. You need to check whether the cable is intact and whether it is damaged or has poor contact.
Capacitance matching problem: Some home appliances require specific capacitors to work properly. You need to check whether your appliances require special capacitance and whether your generator creates this capacitance.
Insufficient motor power: It is possible that the permanent magnet DC motor you use is too small to drive some larger home appliances. You may consider switching to a more powerful motor.
What needs to be added to the output depends on the specific cause of the problem. If it's due to insufficient current, you may need to add a booster device to the generator to increase the output voltage. If the cable resistance is too high, you need to replace the cable. If it's a capacitor matching problem, you may need to add appropriate capacitors to the circuit. If the motor power is insufficient, you need to replace it with a more powerful motor.
Wind turbines are generally AC, but they can also be DC. The DC generator has its limitations and the cost is also high, because the DC generator must pass through the armature and carbon brushes when outputting current. Long-term use will cause wear and need to be replaced frequently, and when the power exceeds the bearing capacity of the armature and carbon brushes, it will produce Sparks are easy to burn. The alternator directly outputs current through three-phase lines, which avoids the wearing parts of the DC generator, and can be made very large. Therefore, wind turbines generally adopt an alternator design. I am professional in designing wind turbines, so the answer is correct.