Reactive Power Compensation Strategy For - 1445 Words

REACTIVE POWER COMPENSATION STRATEGY FOR CASCADED PHOTO VOLTAIC SYSTEM Abstract – Large scale cascaded photovoltaic systems is contributing renewable energy world wide due to its unique features like reliability, power quality ,amount of energy harvested and so on. However cascaded PV system is facing one of the tough challenges like reactive power control due to varied power distribution over different PV modules. This paper addresses the issue of effects due to reactive power on system reliability ,power quality and reactive power compensation strategy for optimal operation of system. A photovoltaic system consisting of three 5W, 10V solar modules with converters are used and proposed control strategy is implemented in laboratory. experimental results are presented to demonstrate the effectiveness of proposed reactive power control strategy. Key words-cascaded PV systems,power Voltage distribution,reactive power com-pensation,unsymmetrical active power 1.INTRODUCTION Renewable energy resources especially solar energy are growing rapidly in view of huge energy consumption and environmental concerns.Large scale photovoltaic systems are connected to medium voltage distribution grids in which power converters are required to convert DC solar energy to AC electrical energy in grid interactive PV system. To achieve direct medium-voltage which is present at grid without using bulky medium-voltage transformer ,cascaded multilevel converters are attracting more andShow MoreRelatedA Novel Modeling And Design Of Statcom With Controllable Grid Connected Variable Speed Wind Energy Supply System Essay1696 Words   |  7 Pagesrenewable resources are added to extract more power. This adds more power quality issues to grid connection. 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The AC-side real and reactive power and DC-sideRead MoreLocation Of Statcom For Power Flow Control2401 Words   |  10 PagesLocation of STATCOM for Power Flow Control Dr..Neelakantappa, Narasapur, Hyderabad.,India Dr.AmjanShaik Narasapur, Hyderabad.,India ABSTRACT: Power flow control in a long transmission line plays a vital role in electrical power system. This paper uses the shunt connected STATCOM for the control of voltage and power flow. The proposed device is used in different locations such as sending end, middle and receiving end of the transmission line. The PWM control is used to generate the firing pulsesRead MoreWhat Is The Performance Of The Proposed Control Algorithm Of DSTATCOM?1854 Words   |  8 Pagescomputer simulations in MATLAB/Simulink environment. Tracking and harmonic decomposition capability of the proposed AANF are evaluated in this section, and the performance of the whole system for load balancing, the harmonic compensation, the neutral current compensation, and the power factor correction will be investigated in Section 5. 4.1 Initiatory performance Consider the input signal of the proposed AANF as: y(t)=sin⠁ ¡(ω_0 t+φ_1 )+0.2 sin⠁ ¡(5ω_0 t+φ_5 )+0.3 sin⠁ ¡(7ω_0 t+φ_7 )+0.3 sin⠁ ¡(30ω_0 t+φ_30)Read MorePower Quality Enhancement For Real And Reactive Power Coordination Essay2119 Words   |  9 PagesPOWER QUALITY ENHANCEMENT FOR REAL AND REACTIVE POWER COORDINATION IN AUTONOMOUS MICRO GRIDS OPERATION USING PSO UPFC S. Niveditha P.G Scholar Dept of Electrical and Electronics Engineering SRKR Engineering College Bhimavaram, India. niveditha.sdm@gmail.com B. Mothi Ram M.Tech Asst.Professor Dept of Electrical and Electronics Engineering SRKR Engineering