1. Analyze the electromagnetic relationship of synchronous generator. The rotor of synchronous generator generates induced electromotive force under the action of magnetic field, thus generating current, and the magnetic field generated by this current will affect the distribution of rotor magnetic field and form electromagnetic relationship.

2. Derive the equivalent circuit of synchronous generator. On the basis of the above electromagnetic relationship, the equivalent circuit of synchronous generator can be deduced by using Kirchhoff's voltage law and Kirchhoff's current law, including generator's electrical output and winding, stator and rotor resistance, inductance and other parameters.

3. Check the correctness of the equivalent circuit. After the equivalent circuit of synchronous generator is obtained, it needs to be tested by experiment or simulation to ensure the correctness of the equivalent circuit.

Modeling and simulation of synchronous generator;

1. In the operation and planning of power system, synchronous generator is an important power equipment, and its modeling and simulation are of great significance to the reliability and stability of the system. The modeling of synchronous generator includes two parts: circuit equivalent model and mathematical model, in which the circuit equivalent model can be obtained by the above method. Power system simulation software and simulation platform can be used to evaluate the performance and influence of generators in the system.

2. Synchronous generator is an important power generation equipment, and the analysis of its electromagnetic relationship and equivalent circuit is of great significance for understanding and optimizing the operation of generator. The electromagnetic relationship of synchronous generator can be studied by analytical method and numerical simulation, and the equivalent circuit can provide basis for generator modeling and simulation.

3. In practical application, the equivalent circuit of synchronous generator can be used to calculate the electrical output, voltage, current and other parameters of generator, and evaluate the performance and reliability of generator.