Problems with generators 40, problems with generators

Is the potential energy converted into electrical energy, most of the electrical energy is output, and a small part is supplied to the generator to generate magnetic energy.

Haha, thank you for your affirmation of me in advance, after that, I haven't looked at this question again, I don't know you are so obsessed with this answer.

My understanding of your question is that power generation is mainly the conversion of water potential energy or other energy into kinetic energy, and then kinetic energy into electrical energy. The so-called magnetic energy is consumed very little in this process, and what is really consumed is the heat energy generated by the electric current passing through the electromagnet. And this part of the heat energy is not much due to the small resistance of the wire, and the consumption is not much.

So most of the potential energy is converted into electrical energy and sent out.

I understand. I'm so serious, there should be a red flag.

The reason for using an electromagnet is because the magnetic field of the electromagnet is greater, and as for the energy that comes out of the "plus" you said, it is because the energy of cutting the magnetic induction line ** is the height of the water body. For example, the mountain gorge dam intercepts a lot of water, and this water has a height downstream, so there is a high potential energy. That's it.

That is to say, when electricity is generated, the potential energy of the water body is converted into electrical energy.

In fact, large-scale generators are still composed of rotor (moving part) and stator (fixed part). The electricity generated by large generators has a very high voltage and strong current, and the coil is generally immovable and the poles are rotated to generate electricity, and in order to obtain a strong magnetic field, electromagnets are also used instead of permanent magnets. The energy of the electromagnet is different from the electric energy generated by the generator, the electric energy consumed by the electromagnet is to produce a strong magnetic field, and the energy of cutting the magnetic induction line mainly comes from the outside world, such as the kinetic energy of water (water turbine), internal energy (steam turbine), nuclear energy (nuclear reactor), and the electrical energy obtained by electromagnetic induction mainly comes from the energy of the outside world.

The electromagnet produces a huge, high-strength magnetic field that is stationary and consumes only the heat generated by the entire circuit. The electrical energy generated by generators (hydroelectric generators, for example) is converted from the huge kinetic energy generated by the impact of water on the turbine. I don't know if the landlord can understand this.

A generator is a device that converts mechanical energy into electrical energy. An electromagnet is just a condition for generating electricity. According to the law of conservation of energy, energy cannot be increased.

Generators simply convert other forms of energy into electricity. For example, thermal power stations convert the chemical energy of fuel into electrical energy. Hydroelectric power plants convert hydropower into electricity.

You say, "We use mechanical energy to drive the rotor to cut magnetic lines", so it is mechanical energy that is converted into electrical energy. That is, the mechanical energy of the turbine. Whereas, the turbine is driven by water or wind, so its mechanical energy comes from water or wind energy.

The external force drives the electromagnet coil to generate a high-intensity electromagnetic field and cut the magnetic inductance line to generate electrical energy, and the "energy" generated should be lower than the "energy" of the external force, because part of the "energy" is thermal energy.

The magnetic field used by large generators is an electromagnet, but there are other devices, and the generation of electrical energy is: thermal power generation and nuclear power are converted from thermal energy to electrical energy; Hydroelectric power is converted from mechanical energy into electrical energy.

If the generator power is 1000 watts, then the power of the engine should be greater than 1000 watts, and the conversion efficiency of the power here can only be less than 1, and the energy will not be more.

Of course, the extra force is external.

For example, hydroelectric power comes from the flow of water, and thermal power comes from the combustion of coal.

That's it.

How do you know how much energy is given to an electromagnet? All I know of large generators is hydropower, can you calculate the amount of water that goes to the rotor? Energy is conserved, yes, so it's impossible to have more energy!

: Cause of failure of alternator not charging:

1) The generator drive belt is too loose or seriously slipped.

2) The generator armature or magnetic field binding post is loose, dirty, the insulation is damaged, or the wire connection is poor.

3) Internal failure of the generator. Slip ring insulation breakdown, stator or rotor coil short circuit, open circuit, brush stuck in the brush holder, rectifier damage, etc.

4) The charging indicator is wired with an iron.

The alternator may not generate electricity due to the following reasons: failure of the excitation system, failure of the transmission line, failure of the stator coil, insufficient speed of the generator, etc.

The forklift generator does not generate electricity because the fan drive belt is too loose, slipping or breaking. The charging circuit is open, lapped or short-circuited, that is, the external circuit from the generator armature post to the ignition switch is not connected. The regulator regulation voltage is too low, the magnetized coil and resistance are damaged by ablation, and the primary and secondary contacts are ablated and dirty.

The brush insulation is damaged, and the spring elasticity is too weak; The brushes are stuck in the rack and have poor contact with the collector ring. The diode is punctured, short-circuited, or broken-circuited; The connection between the diode and the stator windings is loose or broken. Hope it helps.

Questions. It's that the generator power generation is too small, how to solve it.

Dear, it is recommended that you go to a professional repair point for maintenance.

1) Abnormal lubricating oil consumption.

During the driving of the car, the consumption of engine lubricating oil is also more than usual, driving a mileage, the dashboard soon shows that the amount of lubricating oil is insufficient, such a situation is usually due to the following three reasons: First, it may be due to the sealing of the engine piston, resulting in too large a gap between the piston and the cylinder wall, and the phenomenon of burning engine oil. Second, it may be that the parts of the engine are seriously worn, so that the gap between the parts is too large, resulting in abnormal lubricating oil consumption.

Third, the lubricating oil used in individual engines is not up to standard, resulting in abnormal lubricating oil consumption.

b) Engine overheating failure.

Due to the special structure of the automobile engine, in operation, the coolant temperature is prone to too high, once the coolant temperature exceeds the normal value, the engine can not dissipate heat normally, which will lead to the engine overheating, affecting the normal operation of the engine. The main reasons for the abnormal operation of the cooling system are: thermostat failure, radiator failure, fan not turning, water tank blockage, etc.

c) Engine compartment odor.

Affected by the high temperature of the engine, the wire is prone to burn or melt around it, and it emits a pungent odor. Engine compartment odor can also be caused by a large amount of lubricating grease applied during maintenance, which volatilizes as the engine temperature rises.

4) The exhaust exhaust color is abnormal.

Whether the car engine is faulty or not is also a little obvious manifestation, from the abnormal exhaust color analysis of the engine failure. The exhaust color of gasoline after normal combustion should be colorless, and when the engine fails, the exhaust color will change. First, the exhaust gas is black, because the fuel is not fully burned.

Second, the fuel does not meet the combustion standard, or the gasoline contains water, which will emit white exhaust gases. Thirdly, when the exhaust color is blue, it may be because the piston ring is worn too much or the Chunbi oil ring is in the opposite position, etc., causing the oil to jump up and enter the engine combustion chamber, or the oil seeping down from the valve guide Shengsenyou participates in the combustion.

1) There is noise in the grinding of the cherry blossoms when the generator is running. Mori Yuqi.

2) The generator wire is loose. This mausoleum.

3) The generator drives the belt to be sent.

4) The generator does not generate electricity normally.

5) The battery is overcharged.