Can I run this with a solar panel?

  • Thread starter Thread starter dde0485
  • Start date Start date
  • Tags Tags
    Solar Solar panel
Click For Summary

Discussion Overview

The discussion revolves around the feasibility of powering a personal fan designed for 120V AC operation using a solar panel. Participants explore the requirements for running the fan off-grid, considering both the electrical specifications of the fan and the characteristics of solar panels.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant suggests that using a 12V DC fan would simplify the setup and avoid efficiency losses associated with inverters.
  • Another participant notes that it is possible to run various devices off a solar panel, provided the panel is sufficiently sized and acknowledges the limitations of solar energy availability during cloudy weather or at night.
  • A participant emphasizes the need to understand both the output of the solar panel and the fan's power requirements to ensure compatibility.
  • There is a mention of the typical output of solar panels and their cost, along with a suggestion to consider fans that operate on 12V DC to avoid the complexity of inverters.
  • One participant highlights that if the solar panel is not optimally positioned, it will produce less power than rated, impacting the fan's performance.

Areas of Agreement / Disagreement

Participants generally agree on the need for a compatible fan and the importance of understanding solar panel output. However, there are competing views on whether to use an inverter or to find a suitable DC fan, and the discussion remains unresolved regarding the best approach.

Contextual Notes

Participants express uncertainty about the specifics of wiring solar panels and the implications of using inverters versus direct DC connections. There are also assumptions about the solar panel's output and the fan's operational requirements that remain unaddressed.

Who May Find This Useful

This discussion may be useful for individuals interested in off-grid solar power solutions, DIY projects involving solar energy, and those exploring alternatives to traditional electrical setups for small appliances.

dde0485
Messages
7
Reaction score
0
So I built an "air conditioner" that runs with a 6 inch personal fan that you can see here https://www.amazon.com/dp/B005OOJNZ0/?tag=pfamazon01-20
I want it to run 100% off the grid, meaning not plugging into my house. I planned on plugging it directly into a solar panel but when I was researching that there was a lot of electrical terms that I wasn't totally getting so I didn't want to risk it without fully understanding the workings. Is there a way I can power this fan directly from a small solar panel? There are some pics of the entire contraption posted below. Thanks in advance, guys!
 

Attachments

  • IMG_3036.jpg
    IMG_3036.jpg
    43 KB · Views: 887
Last edited by a moderator:
Engineering news on Phys.org
They make that size fan that will run off 12V DC. That would make your life much easier. An inverter could work but you'll lose effiency.
 
You can run pretty much anything off of a solar panel providing that the solar panel is big enough. And you don't care if it doesn't run when it's cloudy. And you don't care if it doesn't run at night.

You need to figure out what the output of the solar panel is and what the requirements of the fan are. And neumeric is certainly right that you want to go with a DC fan to avoid inverter losses.
 
phinds said:
You can run pretty much anything off of a solar panel providing that the solar panel is big enough. And you don't care if it doesn't run when it's cloudy. And you don't care if it doesn't run at night.

You need to figure out what the output of the solar panel is and what the requirements of the fan are. And neumeric is certainly right that you want to go with a DC fan to avoid inverter losses.

Ok, great, thanks! I've never messed with solar panels before, do you just plug into it or have to wire into it?
 
dde0485 said:
Ok, great, thanks! I've never messed with solar panels before, do you just plug into it or have to wire into it?

I repeat:

You need to figure out what the output of the solar panel is and what the requirements of the fan are
 
Hi dde0485.
Solar panels are built up from arrays of individual solar cells, each of which gives about 0.5 volts.
A good basic summary is here: http://www.freesunpower.com/solarpanels.php

Do note that good panels produce about 15 watts per square foot of collector area and cost about $100. That should drive a small fan. Just don't expect a hurricane of cold air, 15 watts is 1% of the power available from a 120V socket and that will only power a room air conditioner.
As neumeric has pointed out, 12V panels are pretty standard, so you do not need to mess with power inverters to change the output to AC, just get a fan that runs on 12V. The kind that plugs into the cigarette lighter is probably the easiest.
 
dde0485 said:
Ok, great, thanks! I've never messed with solar panels before, do you just plug into it or have to wire into it?
Just checking: you are content to have the fan run only while the sky outside is nice and sunny?
 
Your Massey 6 inch clip fan operates on 120 volts AC (Alternating Current). http://massey-fan.en.alibaba.com/product/501186749-213039055/6_Clip_Fan.html

A solar cell panel produces a DC (Direct Current) voltage. To operate a fan “completely off grid” you have two options:
1. Use an inverter to convert the panel’s DC output to 120 VAC, 60 Hz, or

2. Find a fan that operates on low voltage DC. Automotive fans, for instance, operate on 12 VDC. Then connect your panels in series/parallel to give 12 VDC.

Option #1. is expensive and not efficient. Option #2. would be the easiest and cheapest.
 
Last edited by a moderator:
And of course, if your solar panel is not pointed directly at the sun, preferably in the middle of a sunny day, it will give you less power than it is rated for...
 

Similar threads

  • · Replies 13 ·
Replies
13
Views
4K
Replies
6
Views
4K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 31 ·
2
Replies
31
Views
5K
Replies
28
Views
4K
  • · Replies 13 ·
Replies
13
Views
6K
  • · Replies 10 ·
Replies
10
Views
3K
Replies
2
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 18 ·
Replies
18
Views
3K