With the increasing number of power electronic devices and renewable energy units in the
power network, wide frequency oscillation accidents occur frequently in China and abroad …

Because of the subsynchronous oscillation caused by wind turbines connected to the AC
power grid, the causes of subsynchronous oscillation are analyzed, and the frequency …

Automatic synchronized grid-connected requires that voltage difference, frequency
difference and phase angle difference between power network and generator are all in the …

This paper studies the transient process of synchronous generator after three-phase short
circuit, deduces the expression of stator current in the transient process of synchronous …

Excitation system of synchronous generator is the main equipment of operation and control
of generators and power system. According to the field experience and the statistical data …

In this paper, the mechanism of low frequency oscillation of power system is studied from the
perspective of the damping coefficient of the generator. Based on the analytical expression …

Synchronous Generator Parameters Determination using MATLAB Program Page 1 Mojtaba
Abbasi TomsN Polytechnic University, Department of Electromechanical Plants and Materials …

The power system is always unbalanced, so the negative sequence current having a
frequency is twice as that of operating frequency, should be produced and enters the …

Impedance analysis is the leading method of solving the stability issues of grid-connected
renewable energy generation systems. Taking the grid-connected system of direct drive …

The model of synchronous generator (SG) plays an important role in the simulation of power
system and planning of power grid. With the constant parameter practical model (CPPM), it …