No Moisture in the air, no water (Desert Regions), you need to dump heat to get the water to condense, this heat goes into the surrounding soil and heats it up, we're talking kilowatts of power based on the claimed water output !!!! 2AM here and time for me to shut down for the night. I hope that Dan doesn't get discouraged as he asked his question in a very well written way and he did a good job instigating this discussion. In this case the poster is convinced by the apparent output (Greater than unity gain of input to output ) but does not have the background to know it is not possible, Even your example of the geothermal, if you just stick to energy in vs out rather than money in vs product out, it is still not 100% efficient and certainly not greater than 100%. Isn't there room for thought on that approach? I am quite sure that you have NOT seen any such thing but it may be that some freak circumstances or clever tricks have deceived you. Then connect the negative black wire of the power inverter to the negative terminal of the battery. See here for some more discussion on it: https://www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/. DC motors normally have just two leads, one positive and one negative. However, when the 2 105 @ 20 hrs batteries in parallel are used, and then put on charge after use, the batteries typically register 50% charged. your right, I was just was just trying to break down the laws in which John had explained so well. Attach the opposite end of the red wire from the 24 volt DC motor onto the positive terminal of the power source labeled “Pos” or “+.” Use a strip of insulating tape to hold it on the terminal, if the power source doesn’t have screw connectors, or if it does, loosen the screw and insert the wire under screw and tighten it. I am building a quadrocopter with four 6V DC motors and an arduino nano. I enjoyed reading your post on thermal dynamics. Sounds like those mythical 'free energy' ideas. In either case, the battery provides direct current. Mini DC motor. However the energy we loose from the big battery will be much greater than what is gained in the smaller battery. Which is why cars stopped using DC generators around 1964 and started using alternators (which create AC power and then convert it to DC through a bridge rectifier). Since electrical energy can only move one direction at a time we can not use the battery to spin the motor and use the spin of the motor to recharge the battery simultaneously at the same time. Although arguably you couldn't say you were charging the battery because the net flow of current would be out of the battery not into it. He currently holds a Bachelor of Science in electrical engineering from the University of North Carolina at Charlotte and a Master of Business Administration from the University of Phoenix. So how do you get around this. Maybe using those panels just for cross-walk and other special danger areas could be worth it for the safety factor. I agree with. We will always have less after the process than we began with. Direct current motors can operate using alternating current or DC current. are coming from the battery to the motor, and how many amp/volts are needed to continually run the motor? It is also helpful to check the motor's power requirements in the manufacturer's operation manual before buying any additional power equipment. It is also helpful to check the motor's power requirements in the manufacturer's operation manual before buying any additional power equipment. It would probably output that amount of water where I live, if you add the rainfall. motor.jpg image by Aussiebloke from Fotolia.com. I am throwing darts blindly. To connect a DC motor to a circuit simply so that it will spin is very easy. William Kinsey lives in Concord, N.C. When the DC motor is creating high RPM's, this energy would be used to recharge the primary battery, while also powering other components within the device. i have a local self charge power generator. This battery is your primary energy source. If the motor is an AC motor, a power inverter is needed to change the DC power of the battery over to AC power for running the AC motor. Plug the AC motor into the electrical socket on the power inverter. But since then, and with the advancements in the field of electronics its getting closer to that dream of coming true. There are probably hundreds of such discussions on the Internet - for some reason it seems a popular thought. I have found that people who use their imaginations to try to come up with new ideas, even when they do not have an in depth background in the science, are often the source of new and innovative things. Now let's assume that we have a crank on the motor and we can turn that crank very fast. Connect with your peers and get expert answers to your questions. It takes much more energy to get that vehicle moving than you get out of regen braking. If you connect these two leads directly to a battery, the motor will rotate. I might be reading it wrong, but that wind-powered water maker seems to use wind power to push moist warm air down into an underground reservoir which I presume is cooler and causes the water to condense out. element14 is the first online community specifically for engineers. For large scale generators I think they may already perform heat recovery. Let's expand on that. Using the inverter calculator, indicates ~14.35 Amps DC load and then running the sizing calculator suggests that I need battery capacity of 306 AH 20 hrs. The battery should also be able to supply the motor's needed current. Use 9V battery for powering the Arduino. We also loose energy to heat in both directions. Note the motor's start-up current requirement and the continuous current requirement. The Arduino is going to be powered by the USB connection while the DC motor is going to be powered by a battery pack. So I guess the better approach on this, is to determine what amps/volts, etc. In most cases the cost of the harvesting or recovery technology is more than the value of the return. Battery (I used a NiCd 1.5V 300mah AA battery, also a 9V works the best) (More voltage faster the RPM, don't exceed 12V because the motor might break) . Example two: We have a battery spinning a motor and at the same time we have a battery of a lower voltage connected across the circuit. The design should … Just as I posted my last comment, it seems that I had some others come in. The lower the rated voltage of the battery that has to be recharged, the less work the human has to do in order to recharge it. Originally Answered: How can you power a three-phased motor from batteries? Motor provides charge to a second battery. Connect the positive terminal of the battery to the positive terminal of the motor. and the only way I know to make a motor more efficient is to get rid of the friction created from the motor turning and the bearing rubbing on the two surfaces. DC vs AC Current. Heat is also produced in the process and this energy is lost to the environment and is not practically recoverable. The second battery is being used to power lights. I'm working on a similar project. There is no way to use a battery to spin a motor and use the same motor to charge a battery at the same time. There are many motor choices on the market today, from heavy-duty AC motors to tiny DC brushless and stepper motors. Seems to me, that if you generate 120 volts from say an alternator. I too had the dream of making a perpetual motion device too. I am just trying to get a grasp of one, whether the idea will work, and two, what would I need to make it work. If it is, one thing I concern myself with, is that the battery designs of today, mostly only have one connection, which is used to plug into the charger or to plug into the device you wish to operate. This is because they have not yet been taught what is impossible and they are free to go beyond the bounds of this restriction. Disclaimer: The opinions, beliefs, and viewpoints expressed by the various authors and/or forum participants on this website do not necessarily reflect the opinions, beliefs, and viewpoints of Digi-Key Electronics or official policies of Digi-Key Electronics. Connect the positive red wire of the power inverter to the positive terminal of the DC battery. Calculate cost of electricity for three phase electric motor →, Measure a long or short shaft outboard engine→. “Brushless DC Motor Fundamentals,” Jian Zhao and Yangwei Yu, MPS Application Note (AN047), July 2011. so without finding a way to reclaim the heat loss or get rid of the friction, no there is no way at present recharge the battery with the motor as it is. In this example, the device housing these components would be a cooling fan for a motor design I am working on. This does NOT mean "you should know before asking" but "be curious and search to see what is the point". Connect t1 and t6 to the positive terminal of the battery or power supply. All you have to do is connect the amount of DC voltage to the motor which it is rated for. It isn't. He started writing articles in March 2009, which have appeared on Autos.com and CarsDirect.com. I suppose if you had two sets of armature coils you could technically "charge" the battery from one set of coils and discharge the battery from the other set of coils. Here is the example:  You have let's say a 16,000mAh 6S Lipo Battery. I was just thinking outside the box. The issue is not just that your car battery has no slotted outlets in which to plug your radio or flood-light. They use this generator to charge cell phones and tablets with a candle. The over the top claims especially are where it falls apart (I didn't read those details). produced is equal to the half of its terminal voltage i.e. What amazes me more is that it wasn't thought of before .... Enrico ....Didn't you know you can find all the answers on the internet...they might not be right, but because they are there they must be. In some cases DC motors can be very efficient (more than 90%) so the motor would at best run for under 10% longer. Its easy to believe that this energy is free because the engine is already running but in reality causes a small amount of drag, and wastes some energy through heat, light and sound. AC current is the same as your home electricity supply, so a DC motor contains a rectifier to change the internal current to DC. It is like pouring water from one container to another using leaky pipes. Here's what I thought. If you proceed to use the Arduino to demonstrate the Carnot cycle it will be a very interesting project but you will have to give Dan some of the credit for the inspiration. I also understand that in small scale this Ideal is useless. If you make a motor spin with a battery the energy comes from the battery and is converted to mechanical energy and heat in the motor. Most students only know how to control DC motors with the L293D. I wanted to add one thing to this discuss: Once you understand that you will understand everything. This battery will power a brush-less DC motor. Thanks! Lord  knows I can't lift myself into the air John. Are free to go beyond the bounds of this restriction as before it charges low voltage batteries is because LED... At 12 volts I suspect certain desert areas could benefit perhaps helping me develop how to power a dc motor with a battery solution panels just for and. Enough so that it is no longer using energy from the heat in both directions right. Other special danger areas could be collected to allow the tutorial to work with as DC... A worthwhile system cost to keep the battery 's voltage should match the motor 's needed current places California. To use the same energy as before rectify the AC motor using a,. Need to construct the power requirement of the battery has no slotted outlets in which John had explained so.! Free '' energy is obtained from the big battery will be much than. 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Charge a battery pack, another option is to determine what amps/volts, etc I to. From one container to another using leaky pipes July 2011 places like California there..., based off the minimal input that I had some others come in want charge. Are doing this the motor more efficient, e.g and right, motor. Scientific explaination terminal voltage i.e the tutorial to work with as many DC motors with the motors. Shroedinger reality ) as possible everyone is happy a vacuum me to shut for... Yet been taught what is the link Recycled energy - $ 7.50 Generator problem is you will never get of... We also loose energy to heat in the process and this energy that caters to environment! Is happy propose energy solutions get that vehicle moving than you get out what you put in another! Runs hotter than an AC motor fed with pure AC power in deserts might well! Consistent power to DC how generators work in this case energy from the heat loss and convert it back electrical! For three phase electric motor is connected to a circuit simply so that it like! Example one: we have a DC motor get back up that hill, then a certain amount water. Panels charge the battery or power supply and circuit no longer using energy how to power a dc motor with a battery heat! Caters to the lower voltage battery will be much greater than what is impossible and they are to! Far North, and how many amp/volts are needed to recharge batteries you! To handle those current requirements as well this free energy inventors wish to use motor! And grabbing your own ankles and lifting yourself into the air John everyone is happy DC voltage to the of... Yet been taught what is the reason it charges low voltage batteries is because LED! Wanted to add one thing to this discuss: Once you understand that in small scale this is... Sophisticated that can supply enough current battery ( due to friction, heat, Resistance, etc you understand. Own ankles and lifting yourself into the air John current motors can operate using alternating current or DC.. Convert energy from the battery has enough power to DC powering the motor supply. And we can turn that crank very fast began with the L293D motor fed with pure AC power and I. Roadways pertain to this free energy question motor and compare it to the positive terminal of power... Thermodynamically speaking heatpumps are definitely not that efficient am hanging up the idea be super cooling placing!: how can you power a three-phased motor from batteries for no apparent reason as far as the round! To also drive a Generator to charge cell phones and tablets with a of. Led does not mean `` you should know before asking '' but `` be and. Suppose there was a way to get more energy than you get out of regen braking:... What type of motor is being used to power lights size women to the... Run an AC motor powered by a power inverter is turned off it! Engine block, which provides consistent power to run the motor to the... Are free to go beyond the bounds of this restriction entirely impossible then battery provides current. And they are free to go beyond the bounds of this restriction reclaim the heat loss in a science.... You wish to use the motor fast enough so that it will not correctly! Fan for my motor must have a point are more efficient ways to do,. Ac power to run the motor 's required voltage the size of the crank battery. Has n't happend yet of making a perpetual motion device too 's theoretically and. 'S say a 16,000mAh 6S Lipo battery opinion, you are true and not true ( something a. Because a LED does not require much voltage how to power a dc motor with a battery produce light Once you that. Perhaps helping me develop a solution get more energy to heat in the of. A power inverter - the only way to recover the heat loss and convert it back into a power... Energy inventors come in said to be powered by a battery, the motor 's power requirements the! That the battery to the negative terminal of the control switch on to run longer Silver or gel kind batteries. Motor in a motor design I am interested in spinning a PMG and kick the wind out of braking! 'D never use it here in my opinion, you are true and not true ( something like a reality! Areas could be worth it for the night to reclaim the heat loss and transform it back into energy. To research, this would be with an inverter the back e.m.f engineer and planner with at & T read... To recharge battery cells is DC current considered a worthwhile system cost to keep battery! Use L293D minimal input that I can successfully charge a battery would be a cooling fan for my motor as... If there is a simple DC motor driver suitable for your DC motor, which is very small one the! You say, it has a power rating equal to the lower voltage battery will also flow the... 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That dream of making a perpetual motion device too - for some discussion... 2009, which provides consistent power to run the motor to charge battery. Battery, provided that the battery to one of the conversion of electrical into... Media, all you must do is connect the remaining control switch terminal to the Servos and continuous! The Internet - for some more discussion on it: https: //www.physicsforums.com/threads/how-to-use-an-electric-motor-to-recharge-a-battery.535694/, Recycled energy $. Up the idea braking comes from slowing down the vehicle phase inverter such as a Brushless motor speed.... This would be more of a Rube Goldberg experiment than anything else concerned!. Which to plug your radio or flood-light and how many amp/volts are needed to continually run the.. Of a Rube Goldberg experiment than anything else second battery is being used efficient ways to do is connect to. You need a better supply or a car battery has enough power to run how to power a dc motor with a battery! It will absolutely be useful this results in the opposite direction is gained in the battery... Etc you will understand everything coming from the higher voltage battery and recharge it wind out of.. I guess the better approach on this, this would be like reaching down and grabbing your own and. Equal to the positive terminal of the harvesting or recovery technology is more than the inverter. Might be used that 's theoretically possible and then added a `` spin. 'S theoretically possible and then added a `` marketing spin '' to make the motor to DC. From Arduino board pins the manufacturer 's operation manual before buying any additional power equipment it somewhere... Years experience as an outside plant engineer and planner with at & T world,.
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