A Simple Voltage Booster Circuit Using an Electric Motor & a Transformer | Summary and Q&A

22.3K views
December 8, 2019
by
The Organic Chemistry Tutor
A Simple Voltage Booster Circuit Using an Electric Motor & a Transformer

TL;DR

This video explains a simple circuit to boost the voltage of a battery using a transformer and discusses the relationship between AC and DC currents.

Key Insights

• ⚡ The simple voltage booster circuit uses a transformer to increase the voltage of a battery.
• 👋 Transformers act as inductors and react to changes in current, generating an AC wave on top of the DC signal.
• 🥳 The step-up transformer in the circuit has a ratio of 1 to 20, resulting in a 40V output voltage.
• ⚡ There are more efficient methods, like boost converters, to increase DC voltage.
• ⚡ Adding a light bulb to the circuit is optional and not necessary for the voltage boosting process.
• 🧑‍🦼 Connecting a battery to a motor and a speaker allows the AC wave generated by the motor to be heard in the speaker.
• ⌛ The primary side of the transformer has 20 times fewer coils than the secondary side.

Transcript

so here is the circuit of the simple voltage booster that you saw earlier in this video now there are other ways to efficiently boost the dc voltage of a battery but this is just a very very simple circuit that you can try so the voltage of the battery at which as was shown in the picture was six volts now the output voltage it varied between 36 an... Read More

Q: How does the simple voltage booster circuit work?

The circuit uses a transformer to increase the voltage. The motor creates a change in current, which produces an AC wave on top of the DC signal. The transformer amplifies this AC wave, resulting in a higher output voltage.

Q: Is the light bulb necessary in this circuit?

No, the light bulb is not necessary. It was added to the circuit for demonstration purposes. The voltage booster circuit can work without it.

Q: Are there more efficient methods to boost DC voltage?

Yes, there are more efficient methods like boost converters using components such as inductors, capacitors, diodes, and switches. These circuits can efficiently increase the voltage of a battery.

Q: What happens when a battery is connected to a motor and a speaker?

The AC wave generated by the motor rides along the DC signal and can be heard in the speaker. This indicates that the AC wave is present in the circuit.

Summary & Key Takeaways

• The video presents a simple voltage booster circuit using a transformer to increase the output voltage of a battery.

• The transformer acts as an inductor and reacts to a change in current produced by a motor, which creates an AC wave on top of the DC signal.

• The transformer used in the circuit is a step-up transformer with a ratio of 1 to 20, resulting in a 40V output voltage.