Questions about generators, etc. I hope to be professional .

1.The electricity emitted by the DC generator will have a certain ripple coefficient and be basically stable.

2.DC to AC through the inverter is the most convenient way (set up the problem of thyristor). The method of rectifying AC to DC is used.

Some circuits use thyristor rectification, which can be achieved by adjusting the control pulse angle, which can not only achieve rectification, but also realize inverter, of course, the input and output at this time need to be changed.

3.The method of parallel connection, the efficiency is too low, because the first can not establish a high voltage, just like the battery pack, the voltage of the parallel battery is unchanged, and the voltage of the series battery can reach a very high (the battery room of the power plant, with each battery of about 2V, the voltage can achieve 220V, but if it is connected in parallel, the voltage is still 2V, and even a large bulb can not be lit).

4.The method of generating alternating current with a changing magnetic field is more reliable, if direct current is generated, there is also a requirement for the change of the magnetic field, that is, the magnetic field must be a linear change, such as a proportional increase or decrease of the magnetic field, and it must continue forever, which is impossible and difficult to achieve (because the rate of change of the magnetic field determines the voltage generated).

Generators connected to alternating current are available in applications, and they have been used in recent years. However, the rotor of the generator is generally connected to direct current, but a small part of the AC component is added to it, so that the electricity generated by the generator not only has the basic component (fundamental), but also can send out the required waves of other frequencies, this application is mainly used for, first, to generate low-frequency current, which is used to offset the low frequency in the power grid ** (please refer to the PSS power system stabilizer), second, due to the change of rotor speed in the wind turbine, the alternating current with frequency change can be used to offset the speed difference between the two, This generates electrical energy (fundamentals) that meets the frequency requirements of the grid.

If the speed of the magnetic field generated by the incoming alternating current is the same as the speed of the rotor, but the direction is opposite, the magnetic field is stationary relative to the stator, then no current is generated at all.

5.How can a metal cylinder cut magnetic lines? If it can really be cut to the magnetic inductance line, it is definitely generated by current, but it cannot be expressed externally, it is eddy current (internal consumption, the cylinder will heat up).

The iron sheet is very permeable and cannot be isolated, even if other materials are used for isolation, it only reduces the magnetic field through the cylinder, because the magnetic field lines are always from n-s and cannot be cut off.

1.Rectification is required.

2.AC can be changed to DC through a diode, DC to AC is more troublesome, and it should be possible to achieve it through digital circuits or analog circuits.

3.Yes, but it's a waste of electricity.

4.Yes, but the magnetic field of the electromagnet has a hysteresis compared to the current, so it is difficult to control.

5.It should be possible to produce.

Your understanding is basically correct.

After the motor rotates, the induced electromotive force generated by its rotating coil (called rotor coil) cutting the magnetic field lines has the effect of resisting the input current of the power supply, so it is called back electromotive force. It can also be understood that the induced current generated in the rotor coil is in the opposite direction to the current of the power supply. It is the work done by the power source to overcome the back EMF that is converted into the mechanical energy of the electric motor.

One by one, this is the process by which an electric motor converts electrical energy into mechanical energy.

The generator outputs an electric current, and the energized rotor coil produces a torque (called electromagnetic moment) in the opposite direction of rotation under the action of a magnetic field. Impressed power engines (e.g., steam turbines, diesel engines, etc.) are converted into electrical energy by overcoming the electromagnetic moment. One by one, this is the process by which the generator converts mechanical energy into electrical energy.

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Frequently Asked Questions About Generators: When it comes to backup power equipment needs, we strive to provide you with the best backup diesel generators and equipment on the market. We also strive to let our customers know about their new equipment so that no one buys blindly.

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Diesel generators need to have a fuel tank nearby. The generator run time will depend on the size of this tank. Natural gas generators use fuel from pipelines**.

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The alternating current generator was invented by the Yugoslav inventor Tesla, a rival of the Ai file Medison. This kind of generator is simple and clever. Tesla's earlier invention of the transformer can solve the problem of voltage rise and fall in long-distance transmission, coupled with the support of Tesla by the American industrialist Westinghouse, so the development momentum of the AC power supply system is strong.

Answer: The control panel of diesel generator set is divided into ordinary unit control screen and automatic control panel. The ordinary control panel is suitable for the control of ordinary diesel generator sets, and the start-stop, power supply and shutdown, and status adjustment of the unit are all manually operated

The automatic control panel is suitable for the control of automatic diesel generator sets, and the start-stop, power supply and shutdown, and status adjustment of the unit can be completed manually or automatically.

According to the installation method, the control panel of the diesel generator set can be divided into integrated and split. Split control panel means that the unit and the control panel are placed separately, and the control system and main switch are installed in the control panel. The integrated control screen is composed of two parts: the automatic control screen (installation control) is fixed on the top of the generator set through the shock absorbing pad, and the switch screen (installation of the main switch) is installed on the side of the generator set.

With the development of electronic technology, the control screen equipped with the current diesel generator set manufacturer is an LCD digital display control screen, and the advantage of this control screen is that the parameters and faults of the unit can be intuitive.

At present, the main diesel generator set control panel modules on the market are: British Deep Sea (Deep Sea), Czech Comac (COMAC) Wilson independent control panel, and now each manufacturer has developed its own control system.

ATS is called automatic switching cabinet Automatic switching cabinet is also called dual power supply cabinet, which plays a bridge role between diesel generator set power, mains power and load. The automatic switching cabinet can ensure that when the mains power supply fails, the generator set will complete the power supply conversion within the set time (3s 10s) after automatic start, so as to realize the power supply to the load, and automatically switch to the mains power supply when the mains power is restored.

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Daze Power Gasoline Generator Power Factor 1 Diesel Generator Vehicle-mounted Small Volume Stable and High Output Daze imported assembly technology, after all, it is a brand for more than ten years, and there is no need to worry about the technology.

Ordinary generators are already 90%", which is understood as: there is also 10% of the impedance loss of electromagnetic coils and the loss of magnetic permeable materials. "50% increase in power generation efficiency" means that it can reach 95%, but it is impossible to achieve 100% due to the loss of magnetic materials.

The advantage of superconductivity is that "the power generation capacity of a single unit is 5 10 times higher than that of conventional generators, reaching 10,000 megawatts, while the volume is reduced by 1 2 and the weight of the whole machine is reduced by 1 3".

Friend, the high voltage of 10kV is transmitted by the power plant, and the secondary 380 volts is obtained by the transformer and step-down process generated by the self-inductance and mutual inductance of the transformer.

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