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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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please se..................[:=> 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
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please uplaod the ppt and matlab simulink on the project enhancement of power quality in di..................[:=> 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 ,
h reactive power
burden, harmonics currents, load unbalance, excessive
neutral current etc. . The power quality at the point
of common coupling (PCC) with the utility grid is
governed by the various standards and the IEEE-519
standard is widely accepted . Some remedies to these
power quality problems are reported in the literature . A group of controllers together called Custom Power
Devices (CPD), which include the DSTATCOM
(distribution static compensator), DVR (dynamic voltage
restorer) and UPQC (unified power quality conditioner).
The DSTATCOM is a shunt-connecte..................[:=> 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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t 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 between PI contr..................[:=> 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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chronous rotating
reference frame (dq-axis). The relationship between STATCOM
parameters and stability, transient and steady state
performances are determined. Stability investigation with Routh-
Hurwitz criterion indicates that the STATCOM is a stable
system and the numerical values of resistors, inductors and
capacitors in the STATCOM equivalent circuit have no effect on
stability. Steady state analysis reveals that the size of dc capacitor
does not affect STATCOM steady state performance. The
dynamic performances in terms of varying parameters are
displayed in the forms of both ro..................[:=> 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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rrent which is being extracted by these techniques. compensation of reactive power and unbalance loading indistribution system . The performance of the DSTATCOM A. Instantaneous Reactive Power Theorydepends on the control algorithm i.e. the extraction of the Instantaneous reactive power theory has been initiallycurrent components. For this purpose there are many control proposed by Akagi in 1983 4. The theory is based on theschemes which are reported in the literature and some of these transformation of three phase quantities to two phase quantitiesare instantaneous reactive power (IRP) the..................[:=> 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
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commutation
voltage supplied by a synchronous compensator .
Alternatively a STATCOM can be used that can typically
provide much faster control than a synchronous compensator
and with lower losses.
For reasons of energy capture and reduced drive train
stresses, variable speed turbines are becoming the norm for
new wind farm installations. The direct-drive synchronous
generator (optionally with permanent magnet excitation) and
Doubly Fed Induction Generator (DFIG) have become the
two generator alternatives. The former has the disadvantages
of cost and a power converter rated..................[:=> 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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1160]
Power Distribution
 Reactive 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 compen..................[:=> 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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power systems, manufacturing, optimisation, signal processing
Neural Networks
The ANNs are good for some tasks, while lacking in some others. Specifically.
they are good for tasks involving incomplete-data sets, fuzzy or incomplete information, and for highly complex and ill-defined problems.
Biological and artificial neurons

In the brain, there is a own of coded information (using electrochemical media, the so-called neurotransmitters) from the synapses towards the axon.

Articificial Neural Networks
two points have to be addressed
..................[:=> Show Contents <=:]



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