نتایج جستجو برای: Phasor measurement unit

تعداد نتایج: 805314  

Journal: :journal of artificial intelligence and data mining 0
mohsen khosravi faculty of electrical and robotics engineering, shahrood university of technology, shahrood, iran. mahdi banejad faculty of electrical and robotics engineering, shahrood university of technology, shahrood, iran. heydar toosian shandiz faculty of electrical and robotics engineering, shahrood university of technology, shahrood, iran.

state estimation is the foundation of any control and decision making in power networks. the first requirement for a secure network is a precise and safe state estimator in order to make decisions based on accurate knowledge of the network status. this paper introduces a new estimator which is able to detect bad data with few calculations without need for repetitions and estimation residual cal...

Journal: :مهندسی برق و الکترونیک ایران 0
b. zaker m. karrari m. mirsalim g. b. gharehpetian n. moaddabi

this paper presents the application of the matching pursuit method to model synchronous generator. this method is useful for online analysis. in the proposed method, the field voltage is considered as input signal, while the terminal voltage and active power of the generator are output signals. usually, the difference equation with a second degree polynomial structure is used to estimate the co...

2013
Debomita Ghosh T. Ghose D. K. Mohanta

The conventional power system is going through a paradigm change towards smart grid, incorporating technological innovations for sensing, communicating, applying intelligence and exercising control through feedback. Recently, phasor measurement units (PMUs) have been used extensively for the purpose of sensing and communication. In many system planning studies, planners experience conflicts whi...

2016
S Bhongade

In India Power system monitoring is based mainly on measurements provided by Remote Terminal Unit (RTU). For power system measurement synchronized Phasor or Phasor Measurement Unit (PMU) is popular choice in abroad and its popularity is increasing day by day because of its several features. Direct measurement of voltage or current Phasor is possible because of PMU which was not possible earlier...

Journal: :IEEE Transactions on Power Delivery 2018

2009
GHEORGHE GRIGORAS GHEORGHE CARTINA MIHAI GAVRILAS

The phasor measurement unit (PMU) is considered to be one of the most important measuring devices in the future of power systems. The distinction comes from its unique ability to provide synchronized phasor measurements of voltages and currents from widely dispersed locations in an electric power grid. This paper proposes an algorithm based on the clustering techniques for solving the optimal P...

2014
Sideig A. Dowi Gengyin Li

This paper introduces the uses of Robust Dynamic State Estimation (RDSE) with Phasor Measurement Unit (PMU), The M-Estimators Quadratic Linear (QL) and Square Root (SR) Estimators have been used. For the solution of the M-estimators problem, Iteratively Re-weighted Least Squares Estimation (IRLS) method is applied. In this work, we used the Decoupled Current Measurement (DCM) method to include ...

Journal: :journal of operation and automation in power engineering 2014
k. mazlumi m. mohammad gholiha1 r. abbasi f. mazlumi

in this paper, a new method based on branch placement for the optimal positioning of phasor measurement units (pmus) in power systems is proposed. in this method, the pmus are in type of single-channel and are installed at the beginning of the branches. therefore, they are able to measure the bus voltages. also, the installation of the pmus on the branches increases the security of observabilit...

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