UFC911B108 3BHE037864R0108 Digital Input Module ABB CPU

Description

Middle school physics tells us that when UFC911B108 conductor moves in the magnetic field and cuts the magnetic line of force of the magnetic field, the conductor will produce current – this is the most basic generator principle.

This shows that UFC911B108 must meet two conditions at the same time to generate electricity:
1.) There should be a magnetic field that generates magnetic lines of force;
2.) The moving conductor must cut the magnetic line of force.
The excitation system is the control system that generates the generator magnetic field.
The generator consists of two parts.
1.) Rotor – DC current is supplied to the rotor winding to generate the magnetic field of the generator;
2.) Stator – the stator winding is cut by the magnetic line of force of the rotating magnetic field, generating (sending) current in the stator winding.
The rotor of the generator is driven and rotated by the prime mover (water turbine, steam turbine, diesel engine, etc.), so the magnetic field generated by the rotor winding is also rotating, generating relative motion with the stationary stator and stator winding.
The basic function of the excitation system is to generate DC current (called “excitation current”) that can control its size at will – to transmit it to the rotor winding of the generator.
Basic principle of generator excitation system:
The power supply and its auxiliary equipment supplying the excitation current of the generator are called excitation systems.
It is divided into two main parts: excitation power unit and excitation regulator.
The excitation power unit provides excitation current to the synchronous generator rotor; The excitation regulator controls the output of the excitation power unit according to the input signal and the given regulation criteria.

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