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It makes the display of a signal at any point readily available all one has to do is to add a Scope block or, alternatively, an output port. One of the most important features of a model in Simulink is its tremendous interactive capacity. It is self- explanatory with the mathematical model given below. The complete system has been represented in terms of Simulink blocks in a single integral model. Disturbances for preventing the serious power.

To analyze the effect of fault location and critical clearing time on the system stability, a three-phase fault is located at two different locations.

To determine whether the system is stable or unstable with a critical clearing time for a three-phase fault.

It is basically a transfer function and block diagram representation of the system equations. Transient stability study of a multi-machine power system was developed using Simulink. The system usually altered after the disturbance which may cause the system to operate in a different steady-state status from that prior the disturbance. Stability depends on the initial operating state of the system and the severity of the disturbance. The response to this type of disturbance involves large excursions of rotor angles and is influenced by nonlinear power-angle relationship. Transient stability is the ability of the power system to maintain synchronism when subjected to sever transient disturbance. This may be sudden application of load, loss of generation, loss of large load, or a fault on the system. The transient stability studies involve the determination of whether or not synchronism is maintained after the machine has been subjected to severe disturbance. The transient stability analysis of the multi machine system is analysed with the help of MATLAB R2013a. The article presents analysis of the test system which includes multimachine power systems. This article involves the modelling and investigation of the synchronous machine through the angular position of the rotor with respect to time after a fault occurs in the system. Mangalore Institute of Technology and Engineering, Moodbidri Yenepoya Institute of Technology, Moodbidri.Ībstract Transient stability is the ability of the power system to maintain synchronism when subjected to sever transient disturbance. Modelling and Analysis of a Multi Machine Power System using MATLAB/Simulinkĭepartment of Mechatronics Department of Information Science & Engg.