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instantaneous power control of d statcom with consideration of power factor correction


Posted by:
Created at: Wednesday 28th of November 2012 07:23:06 AM
Last Edited Or Replied at :Wednesday 28th of November 2012 07:23:06 AM
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pl..................[:=> Show Contents <=:]



enhancement of power quality in distribution system using d-statcom


Posted by:
Created at: Friday 09th of March 2012 08:15:41 AM
Last Edited Or Replied at :Thursday 28th of June 2012 12:52:00 AM
enhancement of power quality in distribution system using d statcom , enhancement of power quality using d statcom, enhancement of power quality in distribution systems by using dstatcom , enhancement of power quality in distribution system ppt, enhancement of power quality in distribution system , enhancement of power quality in distribution system using d statcom ppt, enhancement of power quality in distribution system using gsm , ppt for enhancement of power quality in distribution system use in d statcom, enhancement of power quality in distribution system using dstatcom , ppt on enhancement of power quality using d statcom in distribution system,
please uplaod the ppt and matlab simulink on the project enhancement of power quality in distribut..................[:=> Show Contents <=:]



H-BRIDGE VSC WITH A T-CONNECTED TRANSFORMER


Posted by: seminar paper
Created at: Friday 09th of March 2012 02:55:43 AM
Last Edited Or Replied at :Friday 09th of March 2012 02:55:43 AM
what is h bridge vsc , what is meant by hbridge vsc, vsc based dstatcom using matlab simulink ,
the VSC of the DSTATCOM for
filtering the ripple in the terminal voltage. The system data
are given in Appendix.


V. RESULT AND DISCUSSIONS
The dynamic performance of DSTATCOM using Hbridge
VSC and the T-connected transformer in the unity
power factor (UPF) mode of operation is depicted in Fig. 4
and Fig. 5. The load balancing and neutral current
compensation are demonstrated in Fig. 4 and the harmonic
elimination, load balancing and neutral current
compensation are demonstrated in Fig. 5. The voltages at
PCC (vs), balanced source current (is), load current (iLa, iLb,
iL..................[:=> Show Contents <=:]



enhancement of power quality problem in distribution system using D-statcom


Posted by: sumanas23
Created at: Thursday 05th of January 2012 08:41:03 AM
Last Edited Or Replied at :Friday 03rd of February 2012 01:16:26 AM
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m doing a project on Power quality improvement in transmission line using D-statcom.

This paper presents the enhancement of voltage sags,
harmonic distortion and low power factor using Distribution
Static Compensator (D-STATCOM) with LCL Passive Filter in
distribution system. The model is based on the Voltage Source
Converter (VSC) principle. The D-STATCOM injects a current
into the system to mitigate the voltage sags.LCL Passive Filter
was then added to D-STATCOM to improve harmonic distortion
and low power factor.

I'm not understanding the design part of controller block ..................[:=> Show Contents <=:]



STATCOM Analysis and Controller Design for Power System Voltage Regulation


Posted by: smart paper boy
Created at: Thursday 28th of July 2011 05:14:17 AM
Last Edited Or Replied at :Friday 14th of December 2012 02:49:17 AM
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e. It is
classified as a shunt compensator.
Basic STATCOM circuit (Fig. 1) consists of a voltage
source converter (VSC) and a dc storage capacitor. The VSC
converts ac voltages ( VA,VB,VC) to dc voltage level on the dc
side (UDC). The capacitor voltage can be adjusted by
controlling the phase angle difference between line voltage
(U) and VSC voltage (V). If the phase angle of line voltage
(U) is taken as a reference, the phase angle of VSC voltage
(V) is the same as the firing angle (δ) of VSC. Thus, if the
firing angles are slightly advanced, the dc voltage (Udc)
decreases and rea..................[:=> Show Contents <=:]



A Comparative Study of Control Algorithms for DSTATCOM for Load Compensation


Posted by: seminar class
Created at: Wednesday 04th of May 2011 03:45:57 AM
Last Edited Or Replied at :Friday 09th of December 2011 10:00:26 PM
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urce Lf Reactive Loadalgorithm. Adaline based control algorithm is simple and need ----- ---------less computational efforts . A fast adaptive linear element(Adaline) based reference current estimator extracts the realVI~ IC& I positive sequence current component without any phase shift. DSTATCOMThe estimation of this reference current through Adalineutilizes LMS algorithm for calculation of weights . AMIATLAB based simulation study of these three control F Control 4techniques of DSTATCOM is presented. Simulation results ihdemonstrate the effectiveness of these three control algorit..................[:=> Show Contents <=:]



STATCOM-controlled HVDC Power Transmission for Large Offshore Wind Farms Engineering


Posted by: seminar class
Created at: Tuesday 03rd of May 2011 06:01:01 AM
Last Edited Or Replied at :Saturday 08th of December 2012 05:13:11 AM
statcom seminar report in ieee format , reactive power compensationusing dstatcom, dfig statcom , what is statcom, sizing statcom hvdc , statcom hvdc, statcom controlled hvdc power transmission for large offshore wind farms , fault analysis on hvdc transmission, seminar on hvdc transmission for large offshore wind farms 2012 , statcom, hvdc project ideas , mode statcom wind farm pdf 2013, advantages and disadvantages of rover technology ,
onnection
cables. The offshore platform is linked to the main onshore
inverter station via submarine HVDC cable.

Download full report
http://ieeexplore.ieee.org/iel5/4152824/4152825/04153216.pdf..................[:=> Show Contents <=:]



DSTATCOM


Posted by: seminar class
Created at: Monday 28th of March 2011 03:43:10 AM
Last Edited Or Replied at :Tuesday 05th of June 2012 06:52:05 AM
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ctive power
 Apparent power
 Active power
Problems in power distribution
 High Reactive Power Burden
 High harmonic currents
 Unbalanced loads
 Excessive neutral currents
Shunt compensation
Principle of shunt compensation

 Vs = v1+j i1 x/2
 V2 = vr+j i2 x/2
 Ps = I Vs I. I V1 I.sin $/2 /x/2
 PR = I VR I. I V2 I.sin $/2 /x/2
 In mid point, V1= V2
Phasor diagram
Shunt compensators

 Thyristor controlled reactor
 Thyristor switched capacitor
 Static VAR compensator
 Advanced static VAR compensator..................[:=> Show Contents <=:]



APPLICAION OF ANN CONTROLLER IN A FACTS DEVICE full report


Posted by: seminar topics
Created at: Tuesday 30th of March 2010 09:10:52 PM
Last Edited Or Replied at :Tuesday 13th of April 2010 11:23:18 AM
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n greater than half a main cycle and less than 1 minute. Caused by system faults, load switching and capacitor switching.

Voltage Interruption
A voltage interruption is the complete loss of electric voltage. Interruptions can be short duration (lasting less than 2 minutes) or long duration. A disconnection of electricity causes an interruption”usually by the opening of a circuit breaker, line recloser, or fuse

Over Voltage and Under Voltage
Long-duration voltage variations that are outside the normal limits (that is, too high or too low) are most often caused by unusual conditio..................[:=> Show Contents <=:]



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