How to make a generator from a power tiller

Electrical connection diagram of the generator

make, generator, power, tiller

When installing and connecting the generator, remember that improper connection of the electrical circuit will cause a short circuit in the winding of the generator. To prevent this, you must connect the device strictly according to the instructions in the algorithm below:

  • Connect the generator to the electronic unit of an agricultural machine with two wires. The unit itself is equipped with 4 wires, 2 of which are blue. these are where you connect the power converter;
  • After that you will be left with black and red wire. The first of them connect to the mass of the engine of the motoblock;
  • The red wire is responsible for the output of converted voltage, which is required for powering all the electrical appliances on the MotoBlock without a battery. the headlights and the horn. If an alternator is mounted on a single axle tractor with a battery, the transformed energy is fed to the battery and the electric starter of the machine. A video will tell you more about connecting an alternator to a single axle tractor.

The generator connected in this way works according to a fairly simple scheme: The generator mounted on a single-axle tractor generates electrical energy, after which it goes to the rectifier available in the electrical unit. The unit has a current regulator and voltage equalizer designed to protect the electrical system from voltage fluctuations, and to control the amount of energy produced.

When the single-axle tractor starts, its engine transmits torque to the rotor by means of a belt. During this time, the generator begins to produce the necessary amount of energy and feeds it to the power unit. The tractor’s single axle tractor engine uses a certain amount of battery power to start the engine; all of the electric devices on the Moto-Block will draw their energy from the battery. As soon as the unit battery is charged, it is again the main source of power for the power tiller‘s electrical appliances. If the battery is discharged again, the power will come from the electrical unit. This process is repeated continuously as long as the single-axle tractor is running.

In today’s market you can find a huge range of generators designed exclusively for installation on motor blocks. The wide range of products sometimes plays a cruel joke on novice farmers, resulting in the inexperienced owner of an agricultural machine buying an unsuitable factory generator for his power tiller.

To avoid mistakes the one very important rule must be followed. the chosen generator for a power tiller must have a certain power. than the total of all the loads acting on a single axle tractor during operation. When choosing an alternator, this factor will allow the unit to operate stably at 12 volts, eliminating the risk of short circuits or sudden voltage fluctuations.

Often farmers buy and install automobile generators on their motor blocks. This solution is fully justified only if the farm uses a heavy single-axle tractor with high power. For light and medium agricultural machines it does not make sense to buy such generators because of their high cost.

Power generation with the help of generator with Power Tiller’s engine

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Malfunctions and repair of the power tiller’s generator

Problems in the work of the generator of a power tiller usually arise from a lack of voltage, which can disappear for the following number of reasons.

  • After installing additional electrical equipment on a single axle tractor, which needs more power at startup than the generator produces, there will be no current when putting it into operating mode (find another suitable device).
  • Because of exceeding the allowable power (overload) with a functioning motor (diodes or winding can burn out, the faulty element will need to be replaced).
  • Voltage suddenly begins to drop during operation (burnout of diode bridge or electric starter, which must be replaced with new ones).

Repair of generator with own hands

To disassemble one of the most important units of the power tiller for repair work, you must first remove the rotor, on the shaft of which the pulley is installed. To do this, unscrewing the fixing nut, you need to remove the supporting sleeve and the pulley of the generator. After that the rotor is easily removed, and opens access to the generator winding and stator.

The winding (copper wire) is wound on a plastic bobbin of an alternator coil, which easily and quickly melts when the winding overheats. The windings then stick together and the stator is short-circuited.

You can replace the coil with a self-made one (cut out of textolite or fiberglass). The winding wire should be of the same diameter, and winded according to the scheme. For example, the first taken section is wound on the left, the next one. to the right, the third one. to the left, and the fourth one is skipped (the stator is attached to the generator case through it). here the wire should be passed through an insulating tube. The following fifth section should have the same winding direction as the first section, and the sixth and seventh should have the same winding direction as the 2nd and 3rd sections. And the eighth one that is left will be the fixing one.

The final step will be to cover the winding with varnish in several layers, which will protect it from moisture, fuel fumes and dust. After the varnish dries, the generator is assembled and the device is tested.

Troubleshooting and repairing a power tiller alternator

Problems in the work of the motor-block alternator usually arise from the lack of voltage, which can disappear for the following reasons.

  • After installing additional electrical equipment on a single axle tractor, which needs more power at start-up than the generator produces, there will be no current when putting it into operation (find another suitable device).
  • Because of exceeding the permissible power (overload) with a functioning motor (diodes or winding can burn out, the faulty element will need to be replaced).
  • The voltage suddenly begins to drop during operation (burnout of the diode bridge or electric starter, which must be replaced with a new one).

Repair of alternator with own hands

To disassemble one of the most important nodes of the motoblock for repair work, you must first remove the rotor, on the shaft of which the pulley is installed. To do this, unscrew the securing nut and remove the support sleeve and the alternator pulley. The rotor can then be removed easily and the alternator winding and stator can be accessed.

How to generate ac power from power tiller

The winding (copper wire) is wound on a plastic carcass of an alternator coil, which easily and quickly melts when the winding overheats. The windings therefore stick together and a short circuit occurs to the stator.

The coil can be replaced with a homemade coil (cut from textolite or fiberglass). The winding wire must be of the same diameter and wound according to the diagram. For example, the first taken section is wound to the left, the next is wound to the right, the third is wound to the left, and the fourth is skipped (the stator is attached to the alternator body through it). here the wire should be passed through an insulating sleeve. The fifth section to follow should have the same winding direction as the first, and the sixth and seventh should have the same winding direction as the 2nd and 3rd sections. The remaining eighth is for mounting.

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The final step will be the coating of the wrap in several layers, which will protect it from moisture, fuel vapors and dust. After the varnish dries, the alternator is assembled and the device is tested.

Mounting the device on a single-axle tractor

Many people ask themselves the same question, how to install an alternator on a single-axle tractor without a battery? In order to put the device with your own hands, it is desirable to follow some rules and know what the device consists of.

  • Case. is a steel container.
  • Pulley is a conductor of mechanical energy.
  • Voltage regulator.
  • The rotor. a shaft made of steel and two bushings, between which there is a winding.
  • Brush assembly is made of plastic and plays an important role in the proper functioning of the generator.
  • The stator. a classic rewind, inside it the power is generated.

In order to put the car generator on a single axle tractor, not a lot of effort and time is required, but it should be treated responsibly.

Because this will depend on the performance of the equipment as a whole. The generator is assembled to the motor vehicle through a special scheme, which specifies all the connections. The winding can catch fire if connected incorrectly. Installation of the generator on a single axle tractor with their own hands is carried out thanks to the two wires. In total there are 4 wires in the unit, including 2 blue. It is through two blue wires that the converter is connected. Then the red wire that feeds the headlights and charges. The following drawing will help to create.

Advantages and disadvantages

The advantages of the hand-assembled product should include:

  • No dependence on power supply outages, getting the necessary minimum of electricity yourself.
  • The self-made generator is adjusted to the operating parameters that meet the specific needs of the user.
  • Its manufacture instead of a purchased product will save significant amounts (especially. in the situation with asynchronous machines for 380 volts).

The disadvantage of self-made are considered possible difficulties with the assembly of a particular type of product and the need to spend money on energy (fuel, for example).

Homemade generator from a power tiller

Many people face a power outage in their homes, and this is not uncommon. Someone is saved by traditional methods, using candles, gasoline generators, etc.д. But there is another solution to the problem: made of a motor-block generator with their own hands, capable of generating electricity. An asynchronous electric motor is useful for this. Speed. 800-1600 per minute with a capacity of up to 15 kW. It is connected via a drive belt and pulleys to the motor removed from the motor. In order to make the speed of the electric motor 15% higher than the technical value, you need to choose a pulley with a suitable diameter. We unite the motor windings in a star, in turn the capacitor is connected in parallel to each of them. A triangle is coming out. For proper operation it is imperative to have the same capacity for all generators. Create a generator using the following video instructions: There are many good models of power tillers on sale. Neva, Kentavr, Zubr and others. But, unfortunately, most of them come without regular lighting. And if you are lucky enough to buy a non-electrified unit. do not despair! Solve the problem with the lack of light will not be difficult, and we will tell you how to do it. A small modernization will only improve your machine, and most importantly, will increase its safety when you have to return from the field in the dark.

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The easiest way to make a light on a single axle tractor with your own hands is from a “native” electric generator. If the manufacturer has provided such a possibility, the installed generator has a certain power reserve. It will be enough for the normal functioning of the key electric devices of the power tiller and power supply of the additionally installed electrical equipment (turn signals, headlights, horn).

The algorithm for connecting the light from the installed electric generator is not difficult:

  • Connect the electric generating device to the switch on the steering column with a wire;
  • From the switch to divide the system of wires to the electrical equipment (on a power tiller this is the headlight);
  • Place the wires in a conduit to protect them from mechanical damage. This way they won’t dangle around and get in the way when working on the unit.

If the generator with a high enough power level, the lighting will be good. When the light goes out at low revs, it is necessary to swap the installed electric generator with a device from a tractor or machine.

You can install an alternator from a “Zaporozhets”. The device is small, so it is easy to fit in the area between the engine and the gearbox. The installation is not complicated. Fasteners for fastening the electric generator and its fixation on the frame are made beforehand: strong metal slats are welded to the frame, then a clamp is fastened.

How to install 7.5kva generator in vst power tiller and operate 3hp submersible motor

The presented scheme will help to understand the correct attachment of the device to the motoblock.

The electric generator from an old or new car is able to provide normal lighting for the power tiller. It is also possible to solve other problems with the connection of various electrical equipment.

What can be made from the engine from a power tiller

Homemade with a motor from a motorblock can significantly save the family budget, as well as facilitate various works on the plot.

It is possible to make the following inventions from a power tiller:

  • Vehicles (mini-tractor, all-terrain vehicle, ATV, motorcycle, snowmobile, motorcycle)
  • Stationary equipment (sawmill, electric generator, pump, lathe)
  • Agricultural machinery (loader, snowplow)

Vehicles made on the basis of a motor block or its engine are not suitable for use on highways and other busy roads, are intended for transportation of goods on the site, as well as for movement in the countryside. The maximum speed of such devices is 60 km/h.

The base of the vehicle (frame) and the wheels should be adapted to large loads, and the engine itself is selected based on the total weight of the device, the weight of goods and equipment purpose, for example, for a bicycle enough motor to 5 liters.с., for a snowmobile, the engine power needs to be higher (7 l.с.).

Creating stationary equipment and agricultural machinery can be more complicated, but it is easy to find videos with detailed instructions.

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