Wednesday 20 April 2011

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 53-417
Full Name: Sakshi Bangia
Position: Assistant Professor
Age: ON
Sex: Female
Address: YMCA UNIVERSITY OF SCIENCE NAD TECHNOLOGY,FARIDABAD HARYANA
Country: INDIA
Tel: 9212390864
Tel prefix: 091
Fax:
E-mail address: sakshibangia@gmail.com
Other E-mails: sakshibangia@yahoomail.com
Title of the Paper: energy based control strategy for the reduction in the response time of dstatcom
Authors as they appear in the Paper: Sakshi Bangia,Dr. P R Sharma,Dr. Maneesha Garg
Email addresses of all the authors: sakshibangia@gmail.com,prsharma1966@gmail.com,garg_maneesha@yahoo.com
Number of paper pages: 10
Abstract: This paper studies the timely issue of response of Distribution Static Compensator when there is reduction in AC and DC loads. DSTACOM is an important device in correcting power quality problems like harmonics reduction, load balancing, reactive power compensation etc. The energy stored in its dc capacitor releases during transients to provide ride through to facilitate load shedding. .The presented algorithm evaluates the reduction in response time of dstatcom based on energy of capacitor rather than voltage. And it is compared with conventional algorithm which regulate the voltage of the capacitor, mainly depends on the values of PI parameters. It is observed that ratio of gains of proportional to integral controller is many times larger in case of new scheme introduced here .Thus the effect of sudden power loss is investigated with and without the DSTATCOM connection and concluded that response time reduces from 0.04 sec to 0.01 sec The present approach is valid!
ated through simulations using MATLAB software with its Simulink and Power System Block set (PSB) toolboxes and then graphical programming of LabVIEW software has been utilized to develop analyzer and also to monitor the results . Use of virtual instrumentation for the measurement and monitoring power system improves the performance and reliability of the system.
Keywords: DSTATCOM, transient time, voltage source converter, THD reduction, LABVIEW
EXTENSION of the file: .doc
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How Did you learn about congress: Enhancement of power quality
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