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In crowds, to the degree one identifies with other crowd members one likely experiences a sense of common purpose, social connection and mutual support. Such is the psychological significance of these correlates of a shared identity that even others' close physical proximity can be pleasurable. However, such pleasure in others' proximity cannot be assumed: physical crowding can bring practical challenges...
In this paper, load frequency control (LFC) which is one of the most important issues in interconnected power systems is iffectuated by using PID controller which is used in many sectors, and also investigated its performance. Four-area power system is prefered for LFC problem in multi area power systems are more complex and important than one area power system. In this paper, LFC problem is defined...
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