How can I design a high-output power inverter for low input voltage?

In summary, the individual is seeking advice on how to create a power inverter that can take in .1-.3 volts and output as high as possible. They are unsure if they want the output voltage or current to be high and what is considered acceptable. They mention a possible solution, the joule thief, and the need for specialized components such as MOSFETs and a transformer. They also mention the existence of converters that can operate at .3 volts if the output is raised to a higher voltage first.
  • #1
tommycaiden
2
0
Hey guys, I need to make a power inverter that will take in .1-.3 volts, and the output needs to be as high as possible.
 
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  • #2
tommycaiden said:
and the output needs to be as high as possible.
Is that the output voltage or current you'd like to allow be as high as possible? If output voltage, what do you consider acceptably high, and at how many milliamps? What is the application you have in mind?

You really do need to be less vague in framing requests for advice here, to encourage those who may be able to help you. You'll discover that mind-reading is not everyone's specialty. :wink:
 
  • #3
best I know of the the joule thief (search for it). Not sure how low it actually goes though.
 
  • #4
If you're converting any significant amount of power, you'll have a lot of current. MOSFETs designed for synchornous rectification and a highly specialized transformer with a copper strap primary are probably the best bet.
I don't think there's anything like that off the shelf.
Some converters, like the NCP1400 series, will operate down to .3 volts if you raise their output to a couple of volts first.
 
  • #5


I would first suggest clarifying the intended use and specific requirements for the power inverter. In order to achieve the desired output, it is important to understand the load that the inverter will be powering and its voltage and current requirements.

Additionally, it may be helpful to research and consider existing power inverter designs and technologies that could potentially meet the given specifications. This can provide valuable insights and inform the development process.

In terms of designing a low voltage power inverter, some key considerations would include selecting appropriate components, such as transistors and capacitors, that can handle the low input voltage and deliver the desired output. Careful circuit design and optimization will also be necessary to ensure efficient conversion and minimize losses.

Furthermore, it may be beneficial to explore alternative power sources or energy storage solutions that could supplement the low input voltage and help boost the output. This could potentially increase the overall efficiency and effectiveness of the inverter.

Overall, the design and development of a low voltage power inverter will require careful planning, experimentation, and iteration in order to achieve the desired output. Collaboration with other experts and utilizing available resources and technologies can also greatly aid in the process.
 

1. What is a low voltage power inverter?

A low voltage power inverter is an electronic device that converts direct current (DC) electricity from a low voltage source, such as a battery, into alternating current (AC) electricity at a higher voltage. This allows for the use of AC-powered devices in locations where only low voltage DC power is available.

2. How does a low voltage power inverter work?

A low voltage power inverter works by using electronic components, such as transistors and capacitors, to convert the DC electricity from the input source into AC electricity at a higher voltage. The process involves changing the direction of the current and increasing the voltage through a series of switching cycles.

3. What are the common applications of a low voltage power inverter?

The most common applications of a low voltage power inverter include powering small electronics such as laptops, smartphones, and other portable devices in off-grid or remote locations. It is also used for powering appliances in recreational vehicles, boats, and other mobile homes.

4. What are the differences between a low voltage power inverter and a high voltage power inverter?

The main difference between a low voltage power inverter and a high voltage power inverter is the input voltage they can handle. Low voltage power inverters typically have an input voltage range of 12-48 volts, while high voltage power inverters can handle input voltages of 100 volts or more. Additionally, high voltage inverters are more commonly used for larger appliances and systems, whereas low voltage inverters are more suitable for smaller devices.

5. What are the important factors to consider when choosing a low voltage power inverter?

When choosing a low voltage power inverter, some important factors to consider include the input voltage and wattage, the output voltage and wattage, the type of waveform (pure sine wave or modified sine wave), and the efficiency of the inverter. It is also important to consider the intended use and the quality and reliability of the inverter before making a purchase decision.

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