Class information for:
Level 2: POWER QUALITY//HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1500 7562 18.5 45%


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
3162 1                   ACTIVE POWER FILTER//ACTIVE FILTERS//ACTIVE POWER FILTER APF 2051
8684 1                   FREQUENCY ESTIMATION//INTERHARMONICS//HARMONIC ESTIMATION 1228
12425 1                   VOLTAGE SAG//DYNAMIC VOLTAGE RESTORER DVR//DYNAMIC VOLTAGE RESTORER 906
14063 1                   HARMONICS//POWER SYSTEM HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY 795
14112 1                   POWER QUALITY//POWER QUALITY DISTURBANCES//S TRANSFORM 792
17679 1                   VOLTAGE FLICKER//ELECTRIC ARC FURNACE//FLICKERMETER 587
21778 1                   ARC FLASH//ELECTRICAL SAFETY//INCIDENT ENERGY 406
22020 1                   GUIDEWAY TRANSPORTATION POWER SYSTEMS//RAIL TRANSPORTATION POWER SYSTEMS//RAILWAY ELECTRIFICATION 397
27955 1                   NONINTRUSIVE LOAD MONITORING//LOAD SIGNATURE//NONINTRUSIVE LOAD MONITORING NILM 217
33171 1                   CAPACITOR SWITCHING//SHUNT CAPACITOR BANKS//CAPACITOR SWITCHING TRANSIENTS 128
37514 1                   BBDF MATRIX//ARCHIV FUR ELEKTROTECHNIK//LEHRSTUHL ELEKTR ENERGIEVERSORGUNG 55

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 2639703 15% 59% 1112
2 HARMONICS authKW 853812 7% 41% 514
3 IEEE TRANSACTIONS ON POWER DELIVERY journal 783885 16% 16% 1217
4 ACTIVE POWER FILTER authKW 774622 3% 77% 249
5 VOLTAGE SAG authKW 753051 4% 70% 267
6 POWER QUALITY PQ authKW 640721 3% 79% 202
7 POWER SYSTEM HARMONICS authKW 361882 2% 63% 143
8 INTERHARMONICS authKW 267944 1% 84% 79
9 ACTIVE FILTERS authKW 264397 3% 30% 217
10 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS journal 234923 9% 9% 645

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 167267 85% 1% 6409
2 Engineering, General 16893 12% 1% 889
3 Instruments & Instrumentation 8804 11% 0% 860
4 Automation & Control Systems 5485 6% 0% 448
5 Engineering, Industrial 658 2% 0% 143
6 Computer Science, Artificial Intelligence 502 3% 0% 208
7 Energy & Fuels 417 3% 0% 249
8 Telecommunications 218 2% 0% 157
9 Computer Science, Interdisciplinary Applications 217 2% 0% 160
10 Metallurgy & Metallurgical Engineering 182 3% 0% 201

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 ENGN 69617 27% 1% 2004
2 AREA ELECT 35854 0% 44% 20
3 ELECT AREA 25828 0% 80% 8
4 MARINE ELECT POWER ENGN 21971 0% 78% 7
5 DEC RD 20180 0% 100% 5
6 ENGN IND SYST DESIGN 20180 0% 100% 5
7 GRP TIC168 20180 0% 100% 5
8 LEHRSTUHL EAEE 20180 0% 100% 5
9 GREPCI 19222 0% 53% 9
10 ENERGY SYST ENERGY EFFICIENCY ENERGY ECON 17428 0% 39% 11

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 783885 16% 16% 1217
2 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 234923 9% 9% 645
3 ELECTRIC POWER SYSTEMS RESEARCH 144750 5% 9% 400
4 IEEE INDUSTRY APPLICATIONS MAGAZINE 89498 1% 21% 108
5 EUROPEAN TRANSACTIONS ON ELECTRICAL POWER ENGINEERING 66883 1% 32% 52
6 EUROPEAN TRANSACTIONS ON ELECTRICAL POWER 64294 2% 13% 124
7 IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION 55670 2% 10% 133
8 INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 53994 3% 6% 242
9 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 53135 4% 4% 324
10 IET GENERATION TRANSMISSION & DISTRIBUTION 49539 2% 8% 150

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 2639703 15% 59% 1112 Search POWER+QUALITY Search POWER+QUALITY
2 HARMONICS 853812 7% 41% 514 Search HARMONICS Search HARMONICS
3 ACTIVE POWER FILTER 774622 3% 77% 249 Search ACTIVE+POWER+FILTER Search ACTIVE+POWER+FILTER
4 VOLTAGE SAG 753051 4% 70% 267 Search VOLTAGE+SAG Search VOLTAGE+SAG
5 POWER QUALITY PQ 640721 3% 79% 202 Search POWER+QUALITY+PQ Search POWER+QUALITY+PQ
6 POWER SYSTEM HARMONICS 361882 2% 63% 143 Search POWER+SYSTEM+HARMONICS Search POWER+SYSTEM+HARMONICS
7 INTERHARMONICS 267944 1% 84% 79 Search INTERHARMONICS Search INTERHARMONICS
8 ACTIVE FILTERS 264397 3% 30% 217 Search ACTIVE+FILTERS Search ACTIVE+FILTERS
9 ACTIVE POWER FILTER APF 224945 1% 77% 72 Search ACTIVE+POWER+FILTER+APF Search ACTIVE+POWER+FILTER+APF
10 HARMONIC DISTORTION 211688 2% 29% 180 Search HARMONIC+DISTORTION Search HARMONIC+DISTORTION

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 140 97% 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 -505 100 93% 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 -19 116 94% 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 87 91% 47
5 SINGH, B , AL-HADDAD, K , CHANDRA, A , (1999) A REVIEW OF ACTIVE FILTERS FOR POWER QUALITY IMPROVEMENT.IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS. VOL. 46. ISSUE 5. P. 960 -971 77 84% 807
6 MAHELA, OP , SHAIK, AG , (2016) TOPOLOGICAL ASPECTS OF POWER QUALITY IMPROVEMENT TECHNIQUES: A COMPREHENSIVE OVERVIEW.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 58. ISSUE . P. 1129 -1142 90 71% 2
7 GOLESTAN, S , GUERRERO, JM , VASQUEZ, JC , (2017) THREE-PHASE PLLS: A REVIEW OF RECENT ADVANCES.IEEE TRANSACTIONS ON POWER ELECTRONICS. VOL. 32. ISSUE 3. P. 1894 -1907 79 78% 0
8 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 56 98% 21
9 SINGH, SN , JAIN, SK , (2011) HARMONICS ESTIMATION IN EMERGING POWER SYSTEM: KEY ISSUES AND CHALLENGES.ELECTRIC POWER SYSTEMS RESEARCH. VOL. 81. ISSUE 9. P. 1754 -1766 75 70% 41
10 MEDINA, A , SEGUNDO-RAMIREZ, J , RIBEIRO, P , XU, W , LIAN, KL , CHANG, GW , DINAVAHI, V , WATSON, NR , (2013) HARMONIC ANALYSIS IN FREQUENCY AND TIME DOMAIN.IEEE TRANSACTIONS ON POWER DELIVERY. VOL. 28. ISSUE 3. P. 1813 -1821 56 95% 12

Classes with closest relation at Level 2


Rank Class id link
1 2946 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT//THERMAL CONVERTER//AC DC TRANSFER
2 273 IEEE TRANSACTIONS ON POWER ELECTRONICS//IET POWER ELECTRONICS//IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
3 501 IEEE TRANSACTIONS ON POWER SYSTEMS//INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS//VOLTAGE STABILITY
4 184 IEEE TRANSACTIONS ON POWER SYSTEMS//MICROGRID//SMART GRID
5 269 INDUCTION MOTOR//IEEE TRANSACTIONS ON ENERGY CONVERSION//IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
6 2621 IEEE TRANSACTIONS ON POWER DELIVERY//GROUNDING SYSTEM//AMPACITY
7 3733 ELEKTRONIKA IR ELEKTROTECHNIKA//TRANSPORT ELECT TELEMAT//CONTROL TECHNOL
8 3887 GEOMAGNETICALLY INDUCED CURRENTS//GEOMAGNETICALLY INDUCED CURRENTS GIC//GEOMAGNETICALLY INDUCED CURRENT GIC
9 1049 LIGHTNING//VARISTORS//IEEE TRANSACTIONS ON POWER DELIVERY
10 3771 MEASUREMENT UNCERTAINTY//METROLOGIA//COVERAGE INTERVAL

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