Aprendendo rebobinar um gerador parte 2

Summary

This video provides a detailed walkthrough of assembling and testing a custom generator. The creator demonstrates the wiring process, including connecting various transformers, isolating cables, and ensuring proper connections. After wiring the generator, the creator shows how to apply a varnish coating for a polished finish. The generator, once assembled, is tested by running a welding machine to see if it can melt a fine electrode. The video covers the theory behind the generator’s operation, including its components like the bridge rectifier and diodes, ensuring viewers understand both the practical and theoretical aspects of the build.

Takeaways

• 😀 The video is the second part of a tutorial, and the first video should be watched for better understanding.
• 😀 The process shown involves connecting and testing a generator using six wires, which are part of the wiring of three transformers.
• 😀 The wiring involves connecting phases and creating a neutral wire by linking certain transformer connections.
• 😀 The generator includes a winding that has been partially coated with varnish, which will improve its appearance after further coating.
• 😀 The wiring involves careful steps where three wires go into each of the three transformers, with additional connections made for the neutral wire.
• 😀 The connection to the excitation coil of the generator involves creating a series of wire loops between transformer windings.
• 😀 The video explains the purpose of diodes used in the system, linking them to the excitation circuit and the positive terminal of the bridge rectifier.
• 😀 The video also details how the generator uses carbon brushes that transfer current from the rotor to the transformer for energy generation.
• 😀 A critical part of the system is the connection to a welding machine, which is tested to ensure that the generator can melt a thin electrode, verifying its functionality.
• 😀 The final assembly involves securing all components, including the field coil and collector ring, before testing the generator by connecting it to a welding machine.

Q & A

What is the purpose of the blue wire in the transformer setup?

The blue wire serves as the connection for the excitation coil in the transformer, which is placed in the middle of the transformer coil.

What is the primary function of the six wires in the generator setup?

The six wires are used to connect the transformer coils, with three wires running inside and three on the outside, each corresponding to different transformers (T1, T2, T3) to form the necessary electrical phases.

Why is the transformer setup arranged in a series and parallel manner?

The transformer setup is designed in such a way that it ensures the proper connection of phases between the primary and secondary coils, while creating a neutral by closing the loop between the three transformer wires.

How does the generator generate power?

The generator generates power by using three phases of electricity, with the primary coil connected to the transformers, and the secondary coil providing the necessary voltage and current for the system to function.

What is the role of the diodes in the generator setup?

The diodes play a crucial role in controlling the flow of electricity by rectifying it from alternating current (AC) to direct current (DC), ensuring that the generator's output is stable.

What happens if a component like the diodes or the bridge rectifier fails?

If any component like the diodes, bridge rectifier, or secondary coils fail, the generator will stop functioning and will not be able to generate electricity.

Why is the generator tested using a welding machine?

The generator is tested using a welding machine to verify its ability to supply power. The welding machine helps assess whether the generator can provide enough power to melt a thin electrode, demonstrating its effectiveness.

What is the importance of varnishing in the setup process?

Varnishing helps protect and insulate the transformer coils and other components. It also improves the aesthetic look of the generator, as it helps in maintaining the integrity of the wiring and preventing damage.

What does the secondary side of the transformer do in the generator?

The secondary side of the transformer is responsible for providing the output voltage by ensuring that the coils are properly configured, which then supplies power to the bridge rectifier and the rest of the circuit.

What is the significance of the anode and cathode in the diodes?

The anode and cathode of the diodes help regulate the current flow within the circuit. The positive side of the diodes connects to the bridge rectifier, while the negative side is responsible for directing the current toward the transformer.