Class information for:
Level 1: UNIFIED POWER QUALITY CONDITIONER UPQC//ACTIVE POWER FILTER//ACTIVE POWER FILTER APF

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
2685 2101 18.0 49%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
296 18068 IEEE TRANSACTIONS ON POWER ELECTRONICS//IET POWER ELECTRONICS//IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 UNIFIED POWER QUALITY CONDITIONER UPQC Author keyword 38 70% 2% 32
2 ACTIVE POWER FILTER Author keyword 37 22% 7% 148
3 ACTIVE POWER FILTER APF Author keyword 32 41% 3% 61
4 ACTIVE POWER FILTERS APFS Author keyword 32 78% 1% 21
5 ACTIVE POWER FILTERS Author keyword 25 38% 3% 53
6 ACTIVE FILTERS Author keyword 25 19% 6% 122
7 HARMONIC COMPENSATION Author keyword 18 27% 3% 58
8 HARMONIC CONTAMINATION Author keyword 15 77% 0% 10
9 DISTRIBUTION STATIC COMPENSATOR DSTATCOM Author keyword 14 48% 1% 22
10 POWER DEFINITIONS Author keyword 12 42% 1% 22

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 UNIFIED POWER QUALITY CONDITIONER UPQC 38 70% 2% 32 Search UNIFIED+POWER+QUALITY+CONDITIONER+UPQC Search UNIFIED+POWER+QUALITY+CONDITIONER+UPQC
2 ACTIVE POWER FILTER 37 22% 7% 148 Search ACTIVE+POWER+FILTER Search ACTIVE+POWER+FILTER
3 ACTIVE POWER FILTER APF 32 41% 3% 61 Search ACTIVE+POWER+FILTER+APF Search ACTIVE+POWER+FILTER+APF
4 ACTIVE POWER FILTERS APFS 32 78% 1% 21 Search ACTIVE+POWER+FILTERS+APFS Search ACTIVE+POWER+FILTERS+APFS
5 ACTIVE POWER FILTERS 25 38% 3% 53 Search ACTIVE+POWER+FILTERS Search ACTIVE+POWER+FILTERS
6 ACTIVE FILTERS 25 19% 6% 122 Search ACTIVE+FILTERS Search ACTIVE+FILTERS
7 HARMONIC COMPENSATION 18 27% 3% 58 Search HARMONIC+COMPENSATION Search HARMONIC+COMPENSATION
8 HARMONIC CONTAMINATION 15 77% 0% 10 Search HARMONIC+CONTAMINATION Search HARMONIC+CONTAMINATION
9 DISTRIBUTION STATIC COMPENSATOR DSTATCOM 14 48% 1% 22 Search DISTRIBUTION+STATIC+COMPENSATOR+DSTATCOM Search DISTRIBUTION+STATIC+COMPENSATOR+DSTATCOM
10 POWER DEFINITIONS 12 42% 1% 22 Search POWER+DEFINITIONS Search POWER+DEFINITIONS

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 3 PHASE SYSTEMS 33 51% 2% 46
2 APPARENT POWER 27 63% 1% 27
3 UPQC 26 67% 1% 24
4 ACTIVE POWER FILTER 25 33% 3% 63
5 NONSINUSOIDAL CONDITIONS 23 49% 2% 34
6 HARMONIC COMPENSATION 23 40% 2% 45
7 P Q THEORY 22 68% 1% 19
8 REACTIVE POWER 21 21% 4% 89
9 SHUNT ACTIVE FILTER 18 44% 2% 32
10 ZIGZAG TRANSFORMER 17 72% 1% 13

Journals



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 EUROPEAN TRANSACTIONS ON ELECTRICAL POWER ENGINEERING 9 22% 2% 35

Reviews



Title Publ. year Cit. Active
references
% act. ref.
to same field
A review of active filters for power quality improvement 1999 633 88 81%
Hybrid filters for power quality improvement 2005 52 53 87%
Neutral current compensation in three-phase, four-wire systems: A review 2012 10 66 70%
Instantaneous reactive power theory-A general approach to poly-phase systems 2009 6 9 100%
Reactive power compensation technologies: State-of-the-art review 2005 91 16 25%
A review and insights on Poynting vector theory and periodic averaged electric energy transport theories 2015 0 13 100%
A new IEEE Std 1459-2000-Compatible time-domain formulation for apparent power 2009 1 5 100%
Instantaneous active and reactive powers in electrical network theory: A review of some properties 2013 0 15 93%
New hysteresis control band of an unified power quality conditioner 2011 1 11 82%
Power system harmonics research: a survey 2009 19 61 39%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ.
in class
1 GREPCI 8 60% 0.4% 9
2 ENGN IND SYST DESIGN 6 80% 0.2% 4
3 LEHRSTUHL EAEE 6 80% 0.2% 4
4 DEC RD 6 100% 0.2% 4
5 INTELLIGENT EQUIPMENTS CONTROL TECHNOL 3 57% 0.2% 4
6 CANADA CHAIR ELECT ENERGY CONVERS POWER ELE 3 50% 0.2% 4
7 MARINE ELECT POWER ENGN 3 50% 0.2% 4
8 INTELLIGENT POWER ELECT 2 23% 0.4% 9
9 ELE OMECH ENVIRONM IND INFORMAT ENGN 2 67% 0.1% 2
10 KATEDRA ELEKTROTECH ENERGETYKI 2 67% 0.1% 2

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000210053 DYNAMIC HARMONIC DOMAIN//HARMONIC DOMAIN//COMPACT FLUORESCENT LAMPS CFLS
2 0.0000172100 POWER QUALITY PQ//POWER QUALITY EVENTS//ELECT AREA
3 0.0000167878 MICROGRID//LCL FILTER//MICROGRIDS
4 0.0000149271 VOLTAGE SAGS//DYNAMIC VOLTAGE RESTORER DVR//VOLTAGE SAG
5 0.0000125160 MULTILEVEL INVERTER//MULTILEVEL CONVERTER//MULTILEVEL INVERTERS
6 0.0000124541 MULTIPULSE AC DC CONVERTER//VECTOR CONTROLLED INDUCTION MOTOR DRIVE VCIMD//MULTIPULSE RECTIFIER
7 0.0000082407 GUIDEWAY TRANSPORTATION POWER SYSTEMS//STRAY CURRENTS//POWER DISTRIBUTION INTERFERENCE
8 0.0000058374 CAPACITOR SELF EXCITATION//SELF EXCITED INDUCTION GENERATOR SEIG//SELF EXCITED INDUCTION GENERATOR
9 0.0000044652 MAXIMUM SELECTIVITY//BRADLEY ELECT COMP//IND TECHNOL GRP
10 0.0000042926 ORTHOGONAL CORE//PARAMETRIC MOTOR//RELUCTANCE NETWORK ANALYSIS