- #1
etudesup
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- TL;DR Summary
- This generator G1 is connected to an AVR, what I don't understand is why the excitation is separately by voltage G3 and current G2.
Any explications please
Thanks
I need help with this Generator excitation method please
- Thread starter etudesup
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- Excitation Generator Method
In summary, the conversation discusses a three-phase AC alternator, which is regulated by the current in coils and the rotating dipole field. The unit also has a current transformer for sensing and a current limiter or protection circuit. The purpose of G2 is unknown and the make and model of the unit is also unknown. It is questioned whether the unit has slip rings or is brushless and transformer coupled like a marine unit.
- #2
Baluncore
Science Advisor
2023 Award
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Welcome to PF.
This appears to be a three-phase AC alternator, not exactly a generator.
T32 may be the slip ring terminals, not a regulator. The current in those coils regulates the field, and so the voltage generated. G3 provides the rotating dipole field.
At the bottom, P1-P2 is a current transformer sensing the AC current from V2. That is the sensing part of a current limiter or protection circuit.
Just what G2 is for, I yet know not.
What is the make and model of the unit?
Does it have slip rings, or is it brushless, transformer coupled, like a marine unit?
This appears to be a three-phase AC alternator, not exactly a generator.
T32 may be the slip ring terminals, not a regulator. The current in those coils regulates the field, and so the voltage generated. G3 provides the rotating dipole field.
At the bottom, P1-P2 is a current transformer sensing the AC current from V2. That is the sensing part of a current limiter or protection circuit.
Just what G2 is for, I yet know not.
What is the make and model of the unit?
Does it have slip rings, or is it brushless, transformer coupled, like a marine unit?
What is a generator excitation method?
A generator excitation method is a technique used to provide the necessary electrical energy to the rotor of a generator in order to produce electricity. This is essential for the functioning of a generator as it creates a magnetic field that interacts with the stator to produce electricity.
Why is a generator excitation method important?
A generator excitation method is important because it is the key factor in generating electricity. Without a proper excitation method, the generator will not produce any electrical energy, rendering it useless. It is also important for maintaining the stability and efficiency of the generator.
What are the different types of generator excitation methods?
There are three main types of generator excitation methods: permanent magnet, self-excited, and separately excited. Permanent magnet generators use permanent magnets to create a magnetic field, self-excited generators use residual magnetism to start the excitation process, and separately excited generators use an external power source to provide the excitation energy.
How do I choose the right generator excitation method?
The choice of generator excitation method depends on various factors such as the type of generator, its size, and the intended use. It is best to consult with a professional or refer to the manufacturer's guidelines to determine the most suitable excitation method for your specific needs.
What are some common issues with generator excitation methods?
Some common issues with generator excitation methods include over-excitation, under-excitation, and voltage regulation problems. These can be caused by factors such as incorrect settings, faulty equipment, or inadequate power supply. Regular maintenance and proper troubleshooting can help prevent and resolve these issues.
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