Class information for:
Level 1: POWER QUALITY//POWER QUALITY DISTURBANCES//S TRANSFORM

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
14112 792 22.0 51%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
24 4 ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON POWER SYSTEMS//IEEE TRANSACTIONS ON POWER ELECTRONICS 122956
125 3       IEEE TRANSACTIONS ON POWER SYSTEMS//IEEE TRANSACTIONS ON POWER ELECTRONICS//ENGINEERING, ELECTRICAL & ELECTRONIC 67681
1500 2             POWER QUALITY//HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY 7562
14112 1                   POWER QUALITY//POWER QUALITY DISTURBANCES//S TRANSFORM 792

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 POWER QUALITY authKW 1145354 30% 13% 237
2 POWER QUALITY DISTURBANCES authKW 1087004 4% 83% 34
3 S TRANSFORM authKW 1055277 10% 36% 76
4 POWER QUALITY EVENTS authKW 462640 2% 100% 12
5 DISTURBANCE CLASSIFICATION authKW 388744 1% 92% 11
6 POWER QUALITY PQ authKW 360102 6% 19% 49
7 NON STATIONARY POWER SIGNALS authKW 346980 1% 100% 9
8 ELECT AREA address 246738 1% 80% 8
9 GRP TIC168 address 192767 1% 100% 5
10 NONSTATIONARY WAVEFORMS authKW 192767 1% 100% 5

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Engineering, Electrical & Electronic 12285 71% 0% 566
2 Instruments & Instrumentation 1650 15% 0% 118
3 Computer Science, Artificial Intelligence 1100 10% 0% 81
4 Engineering, General 1027 9% 0% 72
5 Computer Science, Interdisciplinary Applications 167 5% 0% 36
6 Automation & Control Systems 142 3% 0% 25
7 Energy & Fuels 96 4% 0% 35
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 43 1% 0% 9
9 Operations Research & Management Science 43 2% 0% 17
10 Engineering, Marine 30 0% 0% 3

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ELECT AREA 246738 1% 80% 8
2 GRP TIC168 192767 1% 100% 5
3 AREA ELECT 123353 2% 27% 12
4 SHIP ELECT POWER ENGN 117486 1% 38% 8
5 EPSA 101524 2% 15% 18
6 EMC ON SITE 77107 0% 100% 2
7 EPS ELECT RUMENTAT GRP 77107 0% 100% 2
8 EXPLORAT EXPLOITAT OIL 77107 0% 100% 2
9 POLYTECH ALGECIRAS 77107 0% 100% 2
10 ESII 72559 1% 24% 8

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE TRANSACTIONS ON POWER DELIVERY 69157 15% 2% 117
2 ELECTRIC POWER SYSTEMS RESEARCH 27126 7% 1% 56
3 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 12626 7% 1% 54
4 MEASUREMENT 11589 4% 1% 35
5 INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 10810 4% 1% 35
6 MER-MARINE ENGINEERS REVIEW 7709 0% 20% 1
7 INTERNATIONAL REVIEW OF ELECTRICAL ENGINEERING-IREE 6083 2% 1% 15
8 ELECTRIC POWER COMPONENTS AND SYSTEMS 5680 2% 1% 16
9 REVUE ROUMAINE DES SCIENCES TECHNIQUES-SERIE ELECTROTECHNIQUE ET ENERGETIQUE 5631 1% 2% 8
10 IET GENERATION TRANSMISSION & DISTRIBUTION 4729 2% 1% 15

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 POWER QUALITY 1145354 30% 13% 237 Search POWER+QUALITY Search POWER+QUALITY
2 POWER QUALITY DISTURBANCES 1087004 4% 83% 34 Search POWER+QUALITY+DISTURBANCES Search POWER+QUALITY+DISTURBANCES
3 S TRANSFORM 1055277 10% 36% 76 Search S+TRANSFORM Search S+TRANSFORM
4 POWER QUALITY EVENTS 462640 2% 100% 12 Search POWER+QUALITY+EVENTS Search POWER+QUALITY+EVENTS
5 DISTURBANCE CLASSIFICATION 388744 1% 92% 11 Search DISTURBANCE+CLASSIFICATION Search DISTURBANCE+CLASSIFICATION
6 POWER QUALITY PQ 360102 6% 19% 49 Search POWER+QUALITY+PQ Search POWER+QUALITY+PQ
7 NON STATIONARY POWER SIGNALS 346980 1% 100% 9 Search NON+STATIONARY+POWER+SIGNALS Search NON+STATIONARY+POWER+SIGNALS
8 NONSTATIONARY WAVEFORMS 192767 1% 100% 5 Search NONSTATIONARY+WAVEFORMS Search NONSTATIONARY+WAVEFORMS
9 STOCKWELL TRANSFORM 192757 1% 50% 10 Search STOCKWELL+TRANSFORM Search STOCKWELL+TRANSFORM
10 POWER SYSTEM DISTURBANCES 189795 1% 62% 8 Search POWER+SYSTEM+DISTURBANCES Search POWER+SYSTEM+DISTURBANCES

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 KHOKHAR, S , ZIN, AABM , MOKHTAR, ASB , PESARAN, M , (2015) A COMPREHENSIVE OVERVIEW ON SIGNAL PROCESSING AND ARTIFICIAL INTELLIGENCE TECHNIQUES APPLICATIONS IN CLASSIFICATION OF POWER QUALITY DISTURBANCES.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 51. ISSUE . P. 1650 -1663 136 94% 9
2 MAHELA, OP , SHAIK, AG , GUPTA, N , (2015) A CRITICAL REVIEW OF DETECTION AND CLASSIFICATION OF POWER QUALITY EVENTS.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 41. ISSUE . P. 495 -505 90 84% 25
3 SAINI, MK , KAPOOR, R , (2012) CLASSIFICATION OF POWER QUALITY EVENTS - A REVIEW.INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS. VOL. 43. ISSUE 1. P. 11 -19 109 89% 37
4 GRANADOS-LIEBERMAN, D , ROMERO-TRONCOSO, RJ , OSORNIO-RIOS, RA , GARCIA-PEREZ, A , CABAL-YEPEZ, E , (2011) TECHNIQUES AND METHODOLOGIES FOR POWER QUALITY ANALYSIS AND DISTURBANCES CLASSIFICATION IN POWER SYSTEMS: A REVIEW.IET GENERATION TRANSMISSION & DISTRIBUTION. VOL. 5. ISSUE 4. P. 519 -529 76 79% 47
5 BARROS, J , DIEGO, RI , DE APRAIZ, M , (2012) APPLICATIONS OF WAVELETS IN ELECTRIC POWER QUALITY: VOLTAGE EVENTS.ELECTRIC POWER SYSTEMS RESEARCH. VOL. 88. ISSUE . P. 130-136 55 96% 21
6 MANIMALA, K , DAVID, IG , SELVI, K , (2015) A NOVEL DATA SELECTION TECHNIQUE USING FUZZY C-MEANS CLUSTERING TO ENHANCE SVM-BASED POWER QUALITY CLASSIFICATION.SOFT COMPUTING. VOL. 19. ISSUE 11. P. 3123 -3144 29 83% 1
7 WANG, M , ZHOU, HJ , YANG, SY , JIN, L , JIAO, LC , (2016) ROBUST COMPRESSIVE FEATURES BASED POWER QUALITY EVENTS CLASSIFICATION WITH ANALOG-DIGITAL MIXING NETWORK (ADMN).NEUROCOMPUTING. VOL. 171. ISSUE . P. 685 -692 32 74% 0
8 KHOKHAR, S , ZIN, AAM , MEMON, AP , MOKHTAR, AS , (2017) A NEW OPTIMAL FEATURE SELECTION ALGORITHM FOR CLASSIFICATION OF POWER QUALITY DISTURBANCES USING DISCRETE WAVELET TRANSFORM AND PROBABILISTIC NEURAL NETWORK.MEASUREMENT. VOL. 95. ISSUE . P. 246 -259 30 77% 0
9 DEHGHANI, H , VAHIDI, B , NAGHIZADEH, RA , HOSSEINIAN, SH , (2013) POWER QUALITY DISTURBANCE CLASSIFICATION USING A STATISTICAL AND WAVELET-BASED HIDDEN MARKOV MODEL WITH DEMPSTER-SHAFER ALGORITHM.INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS. VOL. 47. ISSUE . P. 368-377 26 81% 19
10 LOPEZ-RAMIREZ, M , LEDESMA-CARRILLO, L , CABAL-YEPEZ, E , RODRIGUEZ-DONATE, C , MIRANDA-VIDALES, H , GARCIA-PEREZ, A , (2016) EMD-BASED FEATURE EXTRACTION FOR POWER QUALITY DISTURBANCE CLASSIFICATION USING MOMENTS.ENERGIES. VOL. 9. ISSUE 7. P. - 28 78% 0

Classes with closest relation at Level 1


Rank Class id link
1 8684 FREQUENCY ESTIMATION//INTERHARMONICS//HARMONIC ESTIMATION
2 33171 CAPACITOR SWITCHING//SHUNT CAPACITOR BANKS//CAPACITOR SWITCHING TRANSIENTS
3 12425 VOLTAGE SAG//DYNAMIC VOLTAGE RESTORER DVR//DYNAMIC VOLTAGE RESTORER
4 2470 FAULT LOCATION//IEEE TRANSACTIONS ON POWER DELIVERY//DISTANCE PROTECTION
5 17679 VOLTAGE FLICKER//ELECTRIC ARC FURNACE//FLICKERMETER
6 21392 ISLANDING DETECTION//ISLANDING//NON DETECTION ZONE
7 3162 ACTIVE POWER FILTER//ACTIVE FILTERS//ACTIVE POWER FILTER APF
8 27955 NONINTRUSIVE LOAD MONITORING//LOAD SIGNATURE//NONINTRUSIVE LOAD MONITORING NILM
9 6242 FERRORESONANCE//INRUSH CURRENT//POWER TRANSFORMER
10 14063 HARMONICS//POWER SYSTEM HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY

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