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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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plea..................[:=> 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 th..................[:=> 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 ,
T-connected transformer neutral
current (iCn), dc bus voltages (vdc, vdc1, vdc2) and rms value
of PCC voltage (VS) of DSTATCOM are shown in both
the cases.


VI. CONCLUSION
The modelling and simulation of a new topology of
DSTATCOM consisting of H-bridge VSC and a Tconnected
transformer has been demonstrated for neutral
current compensation along with reactive power
compensation, harmonic elimination and load balancing.
The voltage regulation and power factor correction modes
of the DSTATCOM have been observed to be satisfactory.
The T-connected transformer has been effect..................[:=> 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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nt 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 controller and PWM generator.

..................[:=> 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
steady state performance of statcom ppt , steady state analysis of statcom, modulus optimum criterion vsc , voltage source converter for statcom, statcom analysis and controller design , analysis of steady state performance of statcom on transmission line, phase angle control of statcom pdf files , application of statcom for fast voltage regulation of power system ppt, design statcom based on microcontroller , statcom, design of dstatcom , statcom basics its relation with firing angle and dc voltage,
nerating Authority of Thailand,
Nonthaburi, Thailand 11130 (e-mail: nitus.v@egat.co.th).
Somchai Chatratana is with the National Science and Technology
Development Agency, Thailand (e-mail: somchaich@nstda.or.th).
Fig. 1. Basic circuit of STATCOM
II. STATCOM DYNAMIC ANALYSIS
An example radial system with STACOM is shown in Fig.
2a. Rd is included to represent small losses in the switching
devices of VSC. R and L represent the equivalent circuit of
the tie-transformer between bus U and V.

Download full report
http://www.google.co.in/url?sa=t&source=web&cd=2&ved=0CCQQF..................[:=> 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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active power (IRP) theory, instantaneous in a -P frame and calculation of instantaneous active andcompensation, instantaneous symmetrical components, reactive power in this frame. The basic block diagram of thesynchronous reference frame (SRF) theory, computation based theory is shown in Fig. 2 and the mathematical derivation ison per phase basis, and scheme based on neural network . Among these control schemes instantaneous reactivepower theory and synchronous rotating reference frame are * Amost widely used. B bIn this paper DSTATCOM is controlled by IRP and SRF C..................[:=> 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,
oubly Fed Induction Generator (DFIG) have become the
two generator alternatives. The former has the disadvantages
of cost and a power converter rated for the full power. Although
requiring a gearbox, the DFIG requires a converter of
only 25% of the generator rating for an operating speed range
of 0.75 to1.25pu and is considered a lower cost, proven technology
solution. The ratings of commercial DFIG-based
wind turbines now reach 5MW .
The converter-controlled DFIG, STATCOM and LCC
HVDC have all been well studied as separate components. In
, the overall power system concept an..................[:=> 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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ribution
 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 compensator
 Advanced ..................[:=> 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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e Power Quality Problems
Voltage Sag
Voltage Swell
Voltage Interruption
Under/ Over Voltage
Voltage Flicker
Harmonic Distortion
Voltage Notching
Transient Disturbance
Outage and frequency variation



Voltage Sag
A voltage sag is a reduction in the RMS voltage in the range of 0.1 to 0.9 p.u. (retained) for duration greater than hall a mains cycle and less than 1 minute. Often referred to as a Ëœsagâ„¢. Caused by faults, increased load demand and transitional events such as large motor starting.

Voltage Swell
A voltage swell is an increase in the RMS voltage in t..................[:=> Show Contents <=:]



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