Class information for:
Level 1: MODULAR MULTILEVEL CONVERTER MMC//HVDC TRANSMISSION//VARIABLE FREQUENCY WIND FARM

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
11478 912 20.8 40%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
307 17784 IEEE TRANSACTIONS ON POWER SYSTEMS//IEEE TRANSACTIONS ON POWER DELIVERY//INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS

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 MODULAR MULTILEVEL CONVERTER MMC Author keyword 102 69% 10% 88
2 HVDC TRANSMISSION Author keyword 34 31% 10% 91
3 VARIABLE FREQUENCY WIND FARM Author keyword 18 89% 1% 8
4 MODULAR MULTILEVEL CONVERTERS MMCS Author keyword 13 80% 1% 8
5 HIGH VOLTAGE DIRECT CURRENT HVDC Author keyword 9 29% 3% 25
6 MULTI TERMINAL HVDC MTDC Author keyword 8 75% 1% 6
7 DC FAULT Author keyword 8 52% 1% 11
8 HVDC Author keyword 8 10% 8% 73
9 LINE COMMUTATED CONVERTER LCC Author keyword 7 64% 1% 7
10 HVDC CONVERTERS Author keyword 7 32% 2% 18

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 MODULAR MULTILEVEL CONVERTER MMC 102 69% 10% 88 Search MODULAR+MULTILEVEL+CONVERTER+MMC Search MODULAR+MULTILEVEL+CONVERTER+MMC
2 HVDC TRANSMISSION 34 31% 10% 91 Search HVDC+TRANSMISSION Search HVDC+TRANSMISSION
3 VARIABLE FREQUENCY WIND FARM 18 89% 1% 8 Search VARIABLE+FREQUENCY+WIND+FARM Search VARIABLE+FREQUENCY+WIND+FARM
4 MODULAR MULTILEVEL CONVERTERS MMCS 13 80% 1% 8 Search MODULAR+MULTILEVEL+CONVERTERS+MMCS Search MODULAR+MULTILEVEL+CONVERTERS+MMCS
5 HIGH VOLTAGE DIRECT CURRENT HVDC 9 29% 3% 25 Search HIGH+VOLTAGE+DIRECT+CURRENT+HVDC Search HIGH+VOLTAGE+DIRECT+CURRENT+HVDC
6 MULTI TERMINAL HVDC MTDC 8 75% 1% 6 Search MULTI+TERMINAL+HVDC+MTDC Search MULTI+TERMINAL+HVDC+MTDC
7 DC FAULT 8 52% 1% 11 Search DC+FAULT Search DC+FAULT
8 HVDC 8 10% 8% 73 Search HVDC Search HVDC
9 LINE COMMUTATED CONVERTER LCC 7 64% 1% 7 Search LINE+COMMUTATED+CONVERTER+LCC Search LINE+COMMUTATED+CONVERTER+LCC
10 HVDC CONVERTERS 7 32% 2% 18 Search HVDC+CONVERTERS Search HVDC+CONVERTERS

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 VSC HVDC 27 71% 2% 22
2 HVDC SYSTEM 25 58% 3% 29
3 HVDC 20 32% 6% 51
4 OFFSHORE WIND FARMS 14 43% 3% 26
5 BACK HVDC SYSTEM 13 69% 1% 11
6 MODULAR MULTILEVEL CONVERTERS 11 54% 2% 14
7 MULTITERMINAL VSC HVDC 11 100% 1% 6
8 UNBALANCED GRID CONDITIONS 11 69% 1% 9
9 VSC TRANSMISSION 8 56% 1% 10
10 HVDC TRANSMISSION 7 48% 1% 11

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
VSC-Based HVDC Power Transmission Systems: An Overview 2009 276 63 37%
Off-shore wind farm development: Present status and challenges 2014 11 24 38%
Multi-terminal VSC HVDC for the European supergrid: Obstacles 2010 45 2 100%
A classification of DC node voltage control methods for HVDC grids 2013 9 6 100%
Technological trends in electric topologies for offshore wind power plants' 2013 7 25 76%
Guidelines for assessment of investment cost for offshore wind generation 2011 17 4 50%
Review of DC System Technologies for Large Scale Integration of Wind Energy Systems with Electricity Grids 2010 8 13 69%
Transmission alternatives for offshore electrical power 2009 22 2 50%
Debates on ultra-high-voltage synchronous power grid: the future super grid in China? 2015 0 8 63%
Power transmission in direct current. Future expectations for Colombia 2011 3 10 50%

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 GRONINGEN ENERGY LAW 6 100% 0.4% 4
2 INNOVACIO TECNOL CONVERTIDORS ESTAT ACCIONA 5 34% 1.4% 13
3 JIANGSU PROV SMART GRID TECHNOL EQUIPME 4 50% 0.7% 6
4 POWER ELECT ELECT POWER GRIDS 2 67% 0.2% 2
5 ELECT ENGN AREA 2 43% 0.3% 3
6 ULTRA WIDE AREA ILIENT ELECT ENERGY TRANSM 2 43% 0.3% 3
7 CITCEA 2 22% 0.7% 6
8 ENERGY SYST ENERGY EFFICIENCY ENERGY ECON 1 25% 0.5% 5
9 DC POWER TRANSMISS TECHNOL 1 100% 0.2% 2
10 ELECT ENERGY COMP ARCHITECTU ESAT ELECTA 1 100% 0.2% 2

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000144551 VOLTAGE BEHIND REACTANCE VBR MODEL//VOLTAGE BEHIND REACTANCE MODEL//INTERFACING CIRCUIT
2 0.0000137971 MULTILEVEL INVERTER//MULTILEVEL CONVERTER//MULTILEVEL INVERTERS
3 0.0000115194 DOUBLY FED INDUCTION GENERATOR DFIG//DOUBLY FED INDUCTION GENERATOR//IET RENEWABLE POWER GENERATION
4 0.0000097483 GENERATOR SHAFT TORSIONALS//SUBSYNCHRONOUS RESONANCE//SUBSYNCHRONOUS OSCILLATION
5 0.0000087747 MICROGRID//LCL FILTER//MICROGRIDS
6 0.0000085367 DYNAMIC HARMONIC DOMAIN//HARMONIC DOMAIN//COMPACT FLUORESCENT LAMPS CFLS
7 0.0000064383 POWER SYSTEM STABILIZER//POWER SYSTEM STABILIZERS//FACTS
8 0.0000057660 MULTIPULSE AC DC CONVERTER//VECTOR CONTROLLED INDUCTION MOTOR DRIVE VCIMD//MULTIPULSE RECTIFIER
9 0.0000043788 TRANSIENT STABILITY//DYNAMIC SECURITY//TRANSIENT ENERGY MARGIN
10 0.0000042640 LOAD MODELING//POWER SYSTEM LOAD MODELING//CONSERVATION VOLTAGE REDUCTION CVR