Class information for:
Level 1: POWER FACTOR CORRECTION PFC//ELECTRONIC BALLAST//POWER FACTOR CORRECTION

Basic class information
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
26 4 ENGINEERING, ELECTRICAL & ELECTRONIC//ELECT ENGN//IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 322555
71 3       IEEE TRANSACTIONS ON POWER SYSTEMS//ENGINEERING, ELECTRICAL & ELECTRONIC//IEEE TRANSACTIONS ON POWER ELECTRONICS 87614
164 2             IEEE TRANSACTIONS ON POWER ELECTRONICS//IET POWER ELECTRONICS//IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 21804
4404 1                   POWER FACTOR CORRECTION PFC//ELECTRONIC BALLAST//POWER FACTOR CORRECTION 1823

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 POWER FACTOR CORRECTION PFC authKW 2938650 13% 71% 239
2 ELECTRONIC BALLAST authKW 2284963 9% 81% 163
3 POWER FACTOR CORRECTION authKW 1852094 13% 46% 234
4 LED DRIVER authKW 1102046 4% 83% 77
5 IEEE TRANSACTIONS ON POWER ELECTRONICS journal 686964 29% 7% 537
6 LIGHT EMITTING DIODE LED DRIVER authKW 522917 2% 92% 33
7 AC DC CONVERTER authKW 464923 4% 34% 79
8 FLUORESCENT LAMPS authKW 348712 4% 32% 64
9 SINGLE STAGE authKW 334600 3% 31% 63
10 SINGLE STAGE CONVERTER authKW 292843 1% 71% 24

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Electrical & Electronic 46830 91% 0% 1668
2 Automation & Control Systems 14362 19% 0% 342
3 Instruments & Instrumentation 5550 18% 0% 326
4 Engineering, General 2289 9% 0% 164
5 Computer Science, Hardware & Architecture 162 2% 0% 36
6 Optics 77 4% 0% 77
7 Telecommunications 36 2% 0% 34
8 Engineering, Industrial 30 1% 0% 18
9 Construction & Building Technology 9 1% 0% 12
10 Engineering, Aerospace 2 0% 0% 7

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DIEECS TECNOL ELECT 174306 1% 92% 11
2 GRP INTELLIGENCE LIGHTING GEDRE 103720 0% 100% 6
3 POWER ELECT 100233 4% 8% 70
4 VIRGINIA POWER ELECT 94099 1% 39% 14
5 POWER ELECT PL 74690 1% 39% 11
6 GRP SISTEMAS ELECT ALIMENTAC SEA 72026 0% 83% 5
7 ELECT BALLAST GRP GEDRE 69147 0% 100% 4
8 ELECT BALLAST GRP 61735 0% 71% 5
9 GRP SISTEMAS ELECT ALIMENTAC 61735 0% 71% 5
10 COLORADO POWER ELECT 57873 1% 28% 12

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON POWER ELECTRONICS 686964 29% 7% 537
2 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 195069 17% 4% 311
3 IET POWER ELECTRONICS 87809 5% 5% 94
4 JOURNAL OF POWER ELECTRONICS 80575 4% 6% 76
5 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS 42762 8% 2% 137
6 IEE PROCEEDINGS-ELECTRIC POWER APPLICATIONS 28961 2% 4% 42
7 JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY 25933 1% 6% 27
8 IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS 15237 1% 4% 21
9 INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS 7589 1% 2% 27
10 IEICE ELECTRONICS EXPRESS 4313 1% 1% 27

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 POWER FACTOR CORRECTION PFC 2938650 13% 71% 239 Search POWER+FACTOR+CORRECTION+PFC Search POWER+FACTOR+CORRECTION+PFC
2 ELECTRONIC BALLAST 2284963 9% 81% 163 Search ELECTRONIC+BALLAST Search ELECTRONIC+BALLAST
3 POWER FACTOR CORRECTION 1852094 13% 46% 234 Search POWER+FACTOR+CORRECTION Search POWER+FACTOR+CORRECTION
4 LED DRIVER 1102046 4% 83% 77 Search LED+DRIVER Search LED+DRIVER
5 LIGHT EMITTING DIODE LED DRIVER 522917 2% 92% 33 Search LIGHT+EMITTING+DIODE+LED+DRIVER Search LIGHT+EMITTING+DIODE+LED+DRIVER
6 AC DC CONVERTER 464923 4% 34% 79 Search AC+DC+CONVERTER Search AC+DC+CONVERTER
7 FLUORESCENT LAMPS 348712 4% 32% 64 Search FLUORESCENT+LAMPS Search FLUORESCENT+LAMPS
8 SINGLE STAGE 334600 3% 31% 63 Search SINGLE+STAGE Search SINGLE+STAGE
9 SINGLE STAGE CONVERTER 292843 1% 71% 24 Search SINGLE+STAGE+CONVERTER Search SINGLE+STAGE+CONVERTER
10 DIMMING 292126 2% 46% 37 Search DIMMING Search DIMMING

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.

Classes with closest relation at Level 1


rank cluster_id2 link
1 463 ZERO VOLTAGE SWITCHING ZVS//IEEE TRANSACTIONS ON POWER ELECTRONICS//SOFT SWITCHING
2 14512 VIENNA RECTIFIER//THREE PHASE RECTIFIER//MULTIPULSE AC DC CONVERTER
3 38173 COMMERCIAL ENERGY SAVING//CONDUCTIVE CHARACTERISTIC//ELECT TECHNOL ENGN SYST AUTOMAT
4 2412 BUCK CONVERTER//CURRENT MODE CONTROL//IEEE TRANSACTIONS ON POWER ELECTRONICS
5 18711 UNITE ETUD MILIEUX IONISES REACTIFS//CENT DEV LIGHTING//JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY
6 17722 JOURNAL OF THE ILLUMINATING ENGINEERING SOCIETY//HIGH TEMP SCI S//LIGHT SOURCES
7 15743 Z SOURCE INVERTER//Z SOURCE INVERTER ZSI//QUASI Z SOURCE INVERTER
8 8320 JUNCTION TEMPERATURE//PHOSPHOR IN GLASS//LIGHT EMITTING DIODES LEDS
9 9646 ELECTROMAGNETIC INTERFERENCE EMI//BEARING CURRENT//SHAFT VOLTAGE
10 27809 CONSTANT POWER LOADS CPLS//CONSTANT POWER LOAD CPL//CONSTANT POWER LOAD

Go to start page