Reactive Power Compensation Using Capacitor

... limited reactive p o m r generation by the converter are transistor power ratings and actual value of real power required by the electric drive, CQNCLUSIBWS This paper presented reactive power compensation ... Therefore generation of reactive power was limited according to input converter power ratings and the drive power demand The electric drive system can provi...

Ngày tải lên: 03/01/2014, 19:47

... shape optimizations for wind turbine blades and optimization for wind- farm layouts using CFD method and genetic algorithms E-mail address: jackmin.chen@gmail.com; xc6@cec.wustl Ramesh Agarwal ... taking into account bigger size of VAWT and larger wind farms In addition, a comparative cost and power study should be performed to determine the relative economics...

Ngày tải lên: 05/09/2013, 17:03

... al.: VOLTAGE RATING REDUCTION OF MAGNET POWER SUPPLIES (a) 1647 (b) Fig Schematic waveforms of generated current i and capacitor voltage v by the circuit of Fig t and t mean times to charge and ... , and respectively and off at the same time with , , and are always opposite condition to and and and are also always opposite condition to and The MERS absorbs and supplies...

Ngày tải lên: 15/10/2013, 16:12

... locally Secondly, the main role of reactive power is to maintain voltage stability/security of power systems The effect of reactive power on system reliability in terms of energy not supplied is indirect ... and load point reliability of power systems considering reactive power shortage due to failures caused by reactive power sources such as synchron...

Ngày tải lên: 03/01/2014, 19:39

... FIELD - WEAKENING BASED ON REACTIVE POWER WITH BLDC MOTOR The electrical machinery power is composed by the active power and the reactive power[ 9]-[10] In the static α − β frame, the active power ... control with permanent over speed area The principle of stator control based on reactive power theory for BLDC motor is described by formula A Chart of...

Ngày tải lên: 03/01/2014, 19:47

... Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The National ... have also investigated the S11 factor of the power divider Wilkinson on network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measu...

Ngày tải lên: 22/03/2014, 11:20

... (Transient Analysis of Control Systems) and MODELS (a simulation language) enables modelling of control systems and components with non-linear characteristics such as arcs and corona ?? Symmetric ... typical ring configuration Alarms: - Backup protection at B7 and B8 - Backup protection at B6 and B7 - Backup protection at B4 and B5 - Backup protection at B2 and B3 - CBs ope...

Ngày tải lên: 06/10/2015, 20:50

... Srinivasan, "Optimum Power Flow using Flexible Genetic Algorithm in Practical Power Systems" , IEEE Singapore Power Chapter Invited Speaker, December 2009, NUS [4] I M Malik and D Srinivasan, "Power ... solution to Optimum Power Flow (OPF) in practical power systems by using a flexible genetic algorithm (GA) model The proposed approach finds the...

Ngày tải lên: 16/10/2015, 15:39

... test system for tow cases with and without FACTS shows that the placement of UPFC devices to improvement in security, reduction in losses of power system, minimizing the installation cost of UPFC ... S.Jazebi optimal Multi-type FACTS Allocation using Genetic Algorithm to improve power system security “ 9781-4244-1933-3/08/$25.00©2008 IEEE L.Erlich, G.Stamtsis,...

Ngày tải lên: 05/09/2013, 15:28

... controller, magnetic energy recovery switch (mers) PES General Meeting, 2007 [11] Jan A Wiik, F Danang Wijaya, and Ryuichi Shimada Robust series compensation in power systems using magnetic energy recovery ... Ryuichi Shimada Series connected power flow control using magnetic energy recovery switch (mers) PCC Nagoya, 2007 [10] Jan A Wiik, F Danang Wijaya, and Ry...

Ngày tải lên: 15/10/2013, 16:10

... output power and efficiency of a wind turbine system with a synchronous generator by applying magnetic energy recovery switch (MERS) to the power conversion system The wind power conversion system ... 750-kW wind power conversion system with PWM converter and with MERS Input filter is not required in the MERS system Fig 13 750 kW power with MERS is...

Ngày tải lên: 15/10/2013, 16:11

... Relative supply rating 8.4 pu 10.4 pu Rating and loss considerations for large scale system The losses and ratings of a large scale electrical conversion system with MERS solution and with a 2-level ... followed by description of experiments on a 50 kW PM generator and theoretical large scale system loss and rating investigations Magnetic Energ...

Ngày tải lên: 15/10/2013, 16:11

... primary control PLL algorithm was used as a current measurement The control parameters were adjusted V CONCLUSION The characteristics of a new power flow controller, the Magnetic Energy Recovery Switch (MERS) , ... "Application of magnetic energy recovery switch for power factor correction," IPEC 2005 [11] J Wiik, T Isobe, T Takaku, T Kitahara, and R Shimada, "Applic...

Ngày tải lên: 15/10/2013, 16:12

... and students attitudes towards using compensation strategies in listening as well as the analysis of the challenges of using compensation strategies of 10th form student at the high school for ... Ministry of education and training VINH UNIVERSITY - - LÊ THỊ HIỀN ANH USING COMPENSATION STRATEGIES IN LISTENING FOR 10 TH FORM STUD...

Ngày tải lên: 27/12/2013, 20:26

... over -compensation make power losses on the network increase Thus, it is necessarily to control parameters and switching compensation devices according to the changing of loads The controlling of compensation ... compensation devices could be implemented by power electronics structures controlling the firing angle of thyristor In the next section, we introdu...

Ngày tải lên: 05/03/2014, 14:20