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Research Article Open Access
As the phenomenon of electricity of alternating in nature is known by us, we can stated that the AC energy cannot be stored for the long period of time, except that it can be taking as short duration storing quantity. But it has the property that it can consume and used at the same time. So that for the power plant it is necessary to produce continuously and constant power to avoid fluctuations in it.Power system protection or control is based on the same principle that in casing of a disproportion, the frequency of the AC network changes. During the working period of grid, the frequency should be kept constant to avoid the unbalancing condition. But the variation can be tolerated within certain limits.In this work we study the causes of frequency fluctuations, and explore the possibility of assembling information about the state of the system and hence the controlled performance increases by these fluctuations being measured. We reach the conclusion that due to random demand of system frequency fluctuations occurs, but their nature is also influenced by the state of the generators that are participating in power control.