What factors or parameters determine the voltage and current of the generator? 10

Related notes: Generally speaking, the rated power of the motor should be certain, according to the formula of p = ui, it can be seen that when the ui reaches the rated value, the motor outputs the maximum power.

The voltage and current of the normal generator are normal, if you drive slowly, he will have no strength, and the lights will be dim. It would be nice to have enough rotational speed.

Lady's law e = blv e voltage, electromotive force b magnetic field strength l length of conductor in magnetic field v speed of movement of a conductor in a magnetic field.

The voltage of the generator is rated at the factory, and the current is determined by the power and the rated voltage and power factor.

There is also the generator voltage after grid connection (or with load), which is also related to the grid (load) impedance.

What is the relationship between the output voltage and current of the generator?

1. Steam turbine (or water turbine or fan or gas engine, etc.) to do work.

2. Excitation voltage and current.

3. Power grid impact.

What is the voltage, current of a generator related to?

e=nbsw*sinwt

This is the expression for the instantaneous voltage of the rotor generator n is the number of turns of the coil, b is the magnetic induction intensity, and s is the area of the coil.

What factors are related to the amount of induced current generated by the generator?

Coil speed, coil size, coil turns, magnetic field strength, load size. To put it simply, the rate of change of the magnetic flux of the coil and the load determine the amount of current.

What is the relationship between the power generation of generators?

If the generator voltage is high but the current is not large, can the current be amplified through the circuit?

The voltage of the generator is high but the current is not large, the voltage of the generator is generated by itself, but its current itself cannot be determined, and the current must be determined by the load.

How does the generator control the output voltage and current?

The generator has a variety of excitation methods to maintain constant voltage and constant current, including other excitation magnets; reactance phase-shift excitation; resonant excitation; phase compound excitation transformer excitation; Double-winding electric.

It is determined by the number of turns of the generator stator winding, the wire diameter, the size of the rotor excitation current, the rotor rotation speed, etc.

Faraday's law e = blv e voltage, electromotive force b magnetic field strength l length of conductor in magnetic field v velocity of the conductor in the magnetic field.

If you are engaged in generator design, then you have to consider more, it seems that you want to know what to use to determine the rated power, then it depends on the parameters of the stator core and many other factors, it is unlikely to get good results from the discussion here, or look for a book to see.

Presumably you are not turning on enough speed so the current and voltage are unstable, the normal first generator voltage and current are normal, if you drive slowly, he will have no strength to connect the lights are dim. It would be nice to have enough rotational speed.

1. The size of the induced current generated by the motor is related to the speed of the coil, the size of the coil, the number of turns of the coil, the strength of the magnetic field, and the size of the load. The motor generates the amount of induced current and the rate of change of the coil magnetic flux, and the load determines the amount of current.

2. Under the same conditions of the speed and steering of the first circle, if the magnet with different magnetic strength is used to make the coil move in the magnetic field, the size of the induced current is related to the magnetic strength of the magnet; The opposite is not true.

Hello, the voltage emitted by the electromagnetic generator is related to the strength of the magnetic field, the number of turns of the coil, the cutting speed, and the angle between the coil and the magnetic lifting force line. As long as it is a conductor and has no direct relationship with the material, such as the formation of a loop with a high fruit, it is related to the size of the internal resistance. I hope it will be helpful to you.

The magnitude of the current generated by the generator is related to the excitation coil, and the output voltage of the excitation coil is proportional to the voltage output by the generator.

1. The size of the induced current generated by the motor is related to the coil speed and coil steering.

Active power p=

Reactive power q=

For grid-connected generators, the speed will always rotate according to the rated speed, and the voltage will always be the same as that on the grid, and will not change.

The faster the speed, the greater the excitation current, the higher the voltage of the manuscript. For a generator that runs alone, the power is determined by the load, and the generator will generate as much as the load.

The terminal voltage of the generator is related to the following parameters:

First, the speed of the generator. That is, it is related to the speed of the electromagnetic induction coil cutting the magnetic field lines, the higher the rotation speed, the faster the cutting magnetic field line rate, the higher the induced potential, and the higher the terminal voltage.

Second, the strength of the magnetic field of the generator. The stronger the magnetic field, the more magnetic field lines are cut at the same speed, the higher the induced potential, and the higher the terminal voltage. The method of increasing the strength of the magnetic field is to fill the magnetization and increase the excitation current, which is of course closely related to the magnetic circuit material of the generator, which is the reason for increasing the permeability of the silicon steel sheet.

Third, the number of turns of the generator coil. The longer the electromagnetic induction conductor, the higher the induced potential, and the higher the terminal voltage. Of course, this factor has been finalized at the time of manufacturing and cannot be changed.

Therefore, in actual operation, there are only two ways to change the voltage at the end of the generator, changing the speed and changing the excitation current. When the speed of the generator is fixed, the terminal voltage can only be adjusted by adjusting the excitation voltage (current).