Class information for:
Level 1: ACTIVE POWER FILTER//ACTIVE FILTERS//ACTIVE POWER FILTER APF

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
3162 2051 19.7 53%



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

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 ACTIVE POWER FILTER authKW 2501914 11% 72% 233
2 ACTIVE FILTERS authKW 812528 10% 28% 198
3 ACTIVE POWER FILTER APF authKW 740115 3% 73% 68
4 POWER QUALITY authKW 736995 15% 16% 306
5 UNIFIED POWER QUALITY CONDITIONER UPQC authKW 581945 2% 95% 41
6 HARMONICS authKW 535744 10% 17% 212
7 SHUNT ACTIVE POWER FILTER authKW 510677 2% 84% 41
8 HARMONIC COMPENSATION authKW 503093 3% 52% 65
9 DSTATCOM authKW 372137 2% 71% 35
10 SHUNT ACTIVE FILTER authKW 313257 1% 96% 22

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 52078 91% 0% 1858
2 Automation & Control Systems 5263 11% 0% 221
3 Engineering, General 3121 10% 0% 201
4 Instruments & Instrumentation 2338 11% 0% 231
5 Computer Science, Artificial Intelligence 99 2% 0% 50
6 Computer Science, Interdisciplinary Applications 74 2% 0% 47
7 Engineering, Industrial 37 1% 0% 21
8 Energy & Fuels 31 2% 0% 45
9 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 26 1% 0% 13
10 Engineering, Marine 17 0% 0% 4

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 DEC RD 74431 0% 100% 5
2 GREPCI 70920 0% 53% 9
3 LEHRSTUHL EAEE 47634 0% 80% 4
4 INTELLIGENT EQUIPMENTS CONTROL TECHNOL 46516 0% 63% 5
5 CRC ECPE 44659 0% 100% 3
6 ELECT ENGN 36607 37% 0% 751
7 TECHNOL INFORMAT COMMUN ELECT ENGN LATICE 33493 0% 75% 3
8 ELECT MACHINES DRIVES POWER ELECT 29773 0% 100% 2
9 ELECT POWER ECON TECHNOL 29773 0% 100% 2
10 LEHRSTUHL ELEKT ENERGIETECH LEISTUNGSELEKT 29773 0% 100% 2

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 105802 11% 3% 233
2 EUROPEAN TRANSACTIONS ON ELECTRICAL POWER ENGINEERING 99402 2% 20% 33
3 IET POWER ELECTRONICS 80917 5% 6% 94
4 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 52977 8% 2% 168
5 PRZEGLAD ELEKTROTECHNICZNY 48349 5% 3% 107
6 EUROPEAN TRANSACTIONS ON ELECTRICAL POWER 46706 3% 6% 55
7 ELECTRIC POWER SYSTEMS RESEARCH 46465 6% 3% 118
8 IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS 44354 3% 5% 56
9 IEEE TRANSACTIONS ON POWER ELECTRONICS 38606 6% 2% 132
10 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 38448 7% 2% 136

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 ACTIVE POWER FILTER 2501914 11% 72% 233 Search ACTIVE+POWER+FILTER Search ACTIVE+POWER+FILTER
2 ACTIVE FILTERS 812528 10% 28% 198 Search ACTIVE+FILTERS Search ACTIVE+FILTERS
3 ACTIVE POWER FILTER APF 740115 3% 73% 68 Search ACTIVE+POWER+FILTER+APF Search ACTIVE+POWER+FILTER+APF
4 POWER QUALITY 736995 15% 16% 306 Search POWER+QUALITY Search POWER+QUALITY
5 UNIFIED POWER QUALITY CONDITIONER UPQC 581945 2% 95% 41 Search UNIFIED+POWER+QUALITY+CONDITIONER+UPQC Search UNIFIED+POWER+QUALITY+CONDITIONER+UPQC
6 HARMONICS 535744 10% 17% 212 Search HARMONICS Search HARMONICS
7 SHUNT ACTIVE POWER FILTER 510677 2% 84% 41 Search SHUNT+ACTIVE+POWER+FILTER Search SHUNT+ACTIVE+POWER+FILTER
8 HARMONIC COMPENSATION 503093 3% 52% 65 Search HARMONIC+COMPENSATION Search HARMONIC+COMPENSATION
9 DSTATCOM 372137 2% 71% 35 Search DSTATCOM Search DSTATCOM
10 SHUNT ACTIVE FILTER 313257 1% 96% 22 Search SHUNT+ACTIVE+FILTER Search SHUNT+ACTIVE+FILTER

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 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 70 76% 807
2 LI, DY , YANG, K , ZHU, ZQ , QIN, Y , (2017) A NOVEL SERIES POWER QUALITY CONTROLLER WITH REDUCED PASSIVE POWER FILTER.IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS. VOL. 64. ISSUE 1. P. 773 -784 34 77% 1
3 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 65 52% 2
4 MULLA, MA , RAJAGOPALAN, C , CHOWDHURY, A , RAO, N , (2015) AN EXPERIMENTAL ASSESSMENTS ON DIFFERENT CONTROL TECHNIQUES OF SERIES HYBRID ACTIVE POWER FILTER.INTERNATIONAL TRANSACTIONS ON ELECTRICAL ENERGY SYSTEMS. VOL. 25. ISSUE 11. P. 3075 -3095 38 97% 0
5 KHADKIKAR, V , (2012) ENHANCING ELECTRIC POWER QUALITY USING UPQC: A COMPREHENSIVE OVERVIEW.IEEE TRANSACTIONS ON POWER ELECTRONICS. VOL. 27. ISSUE 5. P. 2284 -2297 31 86% 104
6 SINGH, B , VERMA, V , CHANDRA, A , AL-HADDAD, K , (2005) HYBRID FILTERS FOR POWER QUALITY IMPROVEMENT.IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION. VOL. 152. ISSUE 3. P. 365 -378 46 85% 62
7 SREENIVASARAO, D , AGARWAL, P , DAS, B , (2012) NEUTRAL CURRENT COMPENSATION IN THREE-PHASE, FOUR-WIRE SYSTEMS: A REVIEW.ELECTRIC POWER SYSTEMS RESEARCH. VOL. 86. ISSUE . P. 170 -180 47 71% 16
8 SINGH, B , JAYAPRAKASH, P , KOTHARI, DP , CHANDRA, A , AL HADDAD, K , (2014) COMPREHENSIVE STUDY OF DSTATCOM CONFIGURATIONS.IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS. VOL. 10. ISSUE 2. P. 854 -870 43 70% 14
9 GREEN, TC , MARKS, JH , (2005) CONTROL TECHNIQUES FOR ACTIVE POWER FILTERS.IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS. VOL. 152. ISSUE 2. P. 369 -381 36 97% 77
10 MAHELA, OP , SHAIK, AG , (2015) A REVIEW OF DISTRIBUTION STATIC COMPENSATOR.RENEWABLE & SUSTAINABLE ENERGY REVIEWS. VOL. 50. ISSUE . P. 531 -546 46 63% 3

Classes with closest relation at Level 1



Rank Class id link
1 8684 FREQUENCY ESTIMATION//INTERHARMONICS//HARMONIC ESTIMATION
2 4797 LCL FILTER//CURRENT CONTROL//GRID CONNECTED INVERTER
3 14063 HARMONICS//POWER SYSTEM HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY
4 12425 VOLTAGE SAG//DYNAMIC VOLTAGE RESTORER DVR//DYNAMIC VOLTAGE RESTORER
5 22020 GUIDEWAY TRANSPORTATION POWER SYSTEMS//RAIL TRANSPORTATION POWER SYSTEMS//RAILWAY ELECTRIFICATION
6 13860 VIENNA RECTIFIER//MULTIPULSE AC DC CONVERTER//THREE PHASE RECTIFIER
7 14112 POWER QUALITY//POWER QUALITY DISTURBANCES//S TRANSFORM
8 1369 MULTILEVEL INVERTER//MULTILEVEL CONVERTER//IET POWER ELECTRONICS
9 17679 VOLTAGE FLICKER//ELECTRIC ARC FURNACE//FLICKERMETER
10 16876 SELF EXCITED INDUCTION GENERATOR//INDUCTION GENERATOR//SELF EXCITED INDUCTION GENERATOR SEIG

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