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Paper Information

Title: 

DESIGN AND DEVELOPMENT OF AN ADVANCED PD MEASUREMENT SYSTEM

Type: PAPER
Author(s): RAFIEE M.,SHAYANFAR H.A.
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

THIS PAPER REPORTS THE DEVELOPMENT OF AN ADVANCED SYSTEM FOR PD MEASUREMENT. HARDWARE WITH A FAST A/D AND USER FRIENDLY SOFTWARE IN VC++ ENVIRONMENT HAVE MADE A POWERFUL TOOL OR TESTING, DIGITAL DATA PROCESSING, FEATURE EXTRACTION AND FINAL ANALYSIS OF RESULTS. THE PROPOSED SYSTEM IS PERFECT FOR EDUCATIONAL AND RESEARCH PURPOSE. HARDWARE CONSISTS OF AMPLIFIERS AND ANALOG FILTERS, UP TO 40 MHZ A/D CONVERTER AND 128 MB ONBOARD MEMORY. SOFTWARE HAS A SPECIALIZED DESIGN AND AN EXPERIENCE BASED HEURISTIC ALGORITHM IS USED FOR PEAK FINDING. FEATURE EXTRACTION AND ANALYSIS WILL BE MADE WITH RESPECT TO QUANTITY, REPETITION RATE AND PHASE OF OCCURRENCE OF PD PULSES AFTER PEAK FINDING.
SOME FEATURES EXTRACTED FROM PD DATA ARE SKEWNESS, KURTOSIS AND CROSS CORRELATION FOR HN (
F) AND HN (Q) DISTRIBUTIONS, NQN AND AVERAGE AND MAXIMUM CHARGE TRANSFER IN POLARITIES, QUADRATIC RATE AND DISSIPATED POWER.
THESE FEATURES HELP THE USER TO IDENTIFY TYPE AND SEVERITY OF INSULATION DEFECT AND BECAUSE OF LOW MEMORY REQUIRED CAN BE SAVED IN A DATA BANK FOR FURTHER USE.

 
Keyword(s): PD MEASUREMENT, DETECTION, PULSE ANALYSIS, SOFTWARE
 
 
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