Class information for:
Level 2: LIGHTNING//VARISTORS//IEEE TRANSACTIONS ON POWER DELIVERY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1049 10094 24.8 50%


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
622 3       LIGHTNING//IEEE TRANSACTIONS ON POWER DELIVERY//VARISTORS 13649
1049 2             LIGHTNING//VARISTORS//IEEE TRANSACTIONS ON POWER DELIVERY 10094
2432 1                   LIGHTNING//LIGHTNING PROTECTION//LIGHTNING INDUCED VOLTAGES 2246
3543 1                   VARISTORS//ZNO VARISTOR//SEMICOND CERAM 1962
3894 1                   SPRITE//SCHUMANN RESONANCE//TERRESTRIAL GAMMA RAY FLASHES 1886
4652 1                   LIGHTNING//THUNDERSTORM//LIGHTNING ACTIVITY 1749
6242 1                   FERRORESONANCE//INRUSH CURRENT//POWER TRANSFORMER 1509
19736 1                   IEC 60060 1//VERY FAST TRANSIENT OVERVOLTAGE VFTO//VERY FAST TRANSIENT OVERVOLTAGES VFTOS 491
26577 1                   METAL OXIDE SURGE ARRESTER//RESISTIVE CURRENT//RESIDUAL VOLTAGE 251

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 LIGHTNING authKW 1965746 9% 68% 958
2 VARISTORS authKW 1196953 5% 84% 473
3 IEEE TRANSACTIONS ON POWER DELIVERY journal 383922 10% 13% 985
4 ZNO VARISTOR authKW 315649 1% 94% 111
5 LIGHTNING PROTECTION authKW 268662 1% 74% 120
6 FERRORESONANCE authKW 223490 1% 81% 91
7 INRUSH CURRENT authKW 216291 1% 62% 116
8 SEMICOND CERAM address 214643 1% 100% 71
9 SURGE ARRESTER authKW 201204 1% 79% 84
10 LIGHTNING INDUCED VOLTAGES authKW 181389 1% 100% 60

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 Meteorology & Atmospheric Sciences 84903 26% 1% 2631
2 Engineering, Electrical & Electronic 39388 37% 0% 3770
3 Materials Science, Ceramics 8498 6% 1% 612
4 Telecommunications 4270 6% 0% 609
5 Geochemistry & Geophysics 3753 6% 0% 606
6 Geosciences, Multidisciplinary 3098 8% 0% 759
7 Astronomy & Astrophysics 2369 8% 0% 781
8 Remote Sensing 1612 2% 0% 191
9 Physics, Applied 1383 11% 0% 1065
10 Engineering, General 537 2% 0% 231

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 SEMICOND CERAM 214643 1% 100% 71
2 LIGHTNING PHYS PROTECT ENGN 137407 0% 91% 50
3 ELECT LIGHTNING 92145 1% 50% 61
4 LIGHTNING 74481 0% 79% 31
5 HIGH VOLTAGE 71650 1% 22% 106
6 LANGMUIR 62955 0% 77% 27
7 LANGMUIR ATMOSPHER 53322 0% 84% 21
8 CSSL 42993 0% 68% 21
9 YUCCA RIDGE FIELD STN 42992 0% 89% 16
10 PHYS SPACE SCI 42461 1% 18% 79

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 383922 10% 13% 985
2 JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 102986 8% 4% 855
3 IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY 100009 3% 10% 321
4 ATMOSPHERIC RESEARCH 69306 3% 8% 284
5 JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS 42198 2% 6% 228
6 ELECTRIC POWER SYSTEMS RESEARCH 31365 2% 5% 216
7 IEEE TRANSACTIONS ON POWER APPARATUS AND SYSTEMS 29811 2% 6% 155
8 GEOPHYSICAL RESEARCH LETTERS 21020 5% 1% 490
9 JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 20560 4% 2% 370
10 IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION 18407 2% 4% 165

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 LIGHTNING 1965746 9% 68% 958 Search LIGHTNING Search LIGHTNING
2 VARISTORS 1196953 5% 84% 473 Search VARISTORS Search VARISTORS
3 ZNO VARISTOR 315649 1% 94% 111 Search ZNO+VARISTOR Search ZNO+VARISTOR
4 LIGHTNING PROTECTION 268662 1% 74% 120 Search LIGHTNING+PROTECTION Search LIGHTNING+PROTECTION
5 FERRORESONANCE 223490 1% 81% 91 Search FERRORESONANCE Search FERRORESONANCE
6 INRUSH CURRENT 216291 1% 62% 116 Search INRUSH+CURRENT Search INRUSH+CURRENT
7 SURGE ARRESTER 201204 1% 79% 84 Search SURGE+ARRESTER Search SURGE+ARRESTER
8 LIGHTNING INDUCED VOLTAGES 181389 1% 100% 60 Search LIGHTNING+INDUCED+VOLTAGES Search LIGHTNING+INDUCED+VOLTAGES
9 THUNDERSTORM 180911 2% 38% 159 Search THUNDERSTORM Search THUNDERSTORM
10 RETURN STROKE 170044 1% 94% 60 Search RETURN+STROKE Search RETURN+STROKE

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 DWYER, JR , UMAN, MA , (2014) THE PHYSICS OF LIGHTNING.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 534. ISSUE 4. P. 147 -241 285 93% 53
2 DWYER, JR , SMITH, DM , CUMMER, SA , (2012) HIGH-ENERGY ATMOSPHERIC PHYSICS: TERRESTRIAL GAMMA-RAY FLASHES AND RELATED PHENOMENA.SPACE SCIENCE REVIEWS. VOL. 173. ISSUE 1-4. P. 133 -196 208 94% 75
3 PASKO, VP , YAIR, Y , KUO, CL , (2012) LIGHTNING RELATED TRANSIENT LUMINOUS EVENTS AT HIGH ALTITUDE IN THE EARTH'S ATMOSPHERE: PHENOMENOLOGY, MECHANISMS AND EFFECTS.SPACE SCIENCE REVIEWS. VOL. 168. ISSUE 1-4. P. 475 -516 176 88% 30
4 SIINGH, D , SINGH, RP , KUMAR, S , DHARMARAJ, T , SINGH, AK , SINGH, AK , PATIL, MN , SINGH, S , (2015) LIGHTNING AND MIDDLE ATMOSPHERIC DISCHARGES IN THE ATMOSPHERE.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 134. ISSUE . P. 78 -101 211 78% 0
5 INAN, US , CUMMER, SA , MARSHALL, RA , (2010) A SURVEY OF ELF AND VLF RESEARCH ON LIGHTNING-IONOSPHERE INTERACTIONS AND CAUSATIVE DISCHARGES.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. VOL. 115. ISSUE . P. - 167 95% 46
6 SIINGH, D , SINGH, RP , SINGH, AK , KUMAR, S , KULKARNI, MN , SINGH, AK , (2012) DISCHARGES IN THE STRATOSPHERE AND MESOSPHERE.SPACE SCIENCE REVIEWS. VOL. 169. ISSUE 1-4. P. 73 -121 202 83% 5
7 SURKOV, VV , HAYAKAWA, M , (2012) UNDERLYING MECHANISMS OF TRANSIENT LUMINOUS EVENTS: A REVIEW.ANNALES GEOPHYSICAE. VOL. 30. ISSUE 8. P. 1185 -1212 160 91% 6
8 RAKOV, VA , RACHIDI, F , (2009) OVERVIEW OF RECENT PROGRESS IN LIGHTNING RESEARCH AND LIGHTNING PROTECTION.IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY. VOL. 51. ISSUE 3. P. 428 -442 137 90% 65
9 QIE, XS , ZHANG, YJ , YUAN, T , ZHANG, QL , ZHANG, TL , ZHU, BY , LU, WT , MA, M , YANG, J , ZHOU, YJ , ET AL (2015) A REVIEW OF ATMOSPHERIC ELECTRICITY RESEARCH IN CHINA.ADVANCES IN ATMOSPHERIC SCIENCES. VOL. 32. ISSUE 2. P. 169 -191 117 97% 5
10 LIU, NY , MCHARG, MG , STENBAEK-NIELSEN, HC , (2015) HIGH-ALTITUDE ELECTRICAL DISCHARGES ASSOCIATED WITH THUNDERSTORMS AND LIGHTNING.JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS. VOL. 136. ISSUE . P. 98 -118 130 90% 2

Classes with closest relation at Level 2


Rank Class id link
1 2621 IEEE TRANSACTIONS ON POWER DELIVERY//GROUNDING SYSTEM//AMPACITY
2 3211 SINGULAR SPECTRUM ANALYSIS//ATMOSPHERIC ELECTRICITY//GLOBAL ELECTRIC CIRCUIT
3 2250 PLASMA ASSISTED COMBUSTION//HIGH CURRENT ELECT//MULTIPACTOR
4 1138 IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION//PARTIAL DISCHARGE//IEEE TRANSACTIONS ON ELECTRICAL INSULATION
5 2443 MECHANOLUMINESCENCE//TRIBOLUMINESCENCE//EARTHQUAKE PRECURSORS
6 3887 GEOMAGNETICALLY INDUCED CURRENTS//GEOMAGNETICALLY INDUCED CURRENTS GIC//GEOMAGNETICALLY INDUCED CURRENT GIC
7 3877 BALL LIGHTNING//CHARGED SAND//HIGH ALTITUDE NUCLEAR EXPLOSIONS
8 1388 ELECTRICAL STEEL//IEEE TRANSACTIONS ON MAGNETICS//PREISACH MODEL
9 1500 POWER QUALITY//HARMONICS//IEEE TRANSACTIONS ON POWER DELIVERY
10 205 MONTHLY WEATHER REVIEW//METEOROLOGY & ATMOSPHERIC SCIENCES//WEATHER AND FORECASTING

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