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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 40 4460 4278 233 227 196 7397

Grain Philip Adam publications per year

The chart shows the history of publications by Grain Philip Adam between 2007 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Grain Philip Adam published across 19 years, from 2007 to 2025, averaging 10.7 papers a year. Output peaked at 24 publications in 2013. 5 of the 204 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 2007 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2013. 2007: 2 publications 2008: 1 publication 2009: 9 publications 2010: 15 publications 2011: 10 publications 2012: 9 publications 2013: 24 publications 2014: 23 publications 2015: 23 publications 2016: 13 publications 2017: 7 publications 2018: 13 publications 2019: 12 publications 2020: 16 publications 2021: 13 publications 2022: 7 publications 2023: 2 publications 2024: 1 publication 2025: 4 publications
2007 2025

204 publications in total across all disciplines

View publications per year as a table
Grain Philip Adam: publications per year, 2007 to 2025
Year Publications
2007 2
2008 1
2009 9
2010 15
2011 10
2012 9
2013 24
2014 23
2015 23
2016 13
2017 7
2018 13
2019 12
2020 16
2021 13
2022 7
2023 2
2024 1
2025 4
Total 204
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Grain Philip Adam publications per year - data summary

  • Grain Philip Adam, a Electronics and Electrical Engineering scholar from University of Strathclyde, has 204 publications recorded across 19 years, from 2007 to 2025.
  • The oldest publication on record dates to 2007 and the most recent to 2025.
  • The most productive year is 2013, with 24 publications.
  • The least productive years with any output are 2008 and 2024, with 1 publication each.
  • The rate of publication averages 10.7 papers per year over the whole span, or 10.7 per year counting only the 19 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 27 publications, 13% of the career total.
  • Split into equal eras - 2007-2013: 70 publications (10.0 per year); 2014-2020: 107 publications (15.3 per year); 2021-2025: 27 publications (5.4 per year).
  • Comparing the opening and closing eras, the overall trend of publication is declining.

Grain Philip Adam publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Grain Philip Adam sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 194–213 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 196 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430 196
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Grain Philip Adam publication distribution in Electronics and Electrical Engineering in 2026 - data summary

  • The chart plots the publication count of all 6,875 Electronics and Electrical Engineering scientists ranked by Research.com in 2026, grouped into 53 ranges running from 34–53 to 1,065+ publications.
  • Grain Philip Adam, a Electronics and Electrical Engineering scholar from University of Strathclyde, records 196 publications - the 28th percentile of the discipline.
  • 28% of ranked Electronics and Electrical Engineering scientists score the same or lower than Grain Philip Adam, and about 72% score higher.
  • The median of the discipline falls in the 254–273 publications range, and Grain Philip Adam ranks below the median.
  • The most crowded range is 174–193 publications, holding 445 scientists (6% of the field).
  • 60% of the field sits in the lowest quarter of the value range (up to 294–313 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,065 publications or more, 99 scientists in all (1% of the field).

Grain Philip Adam D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Grain Philip Adam sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 40 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 40 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205 40
41 187
42 194
43 201
44 155
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
Download as CSV

Grain Philip Adam D-index placement in Electronics and Electrical Engineering in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 6,875 Electronics and Electrical Engineering scientists ranked by Research.com in 2026, grouped into 82 ranges running from 30 to 111+ D-Index.
  • Grain Philip Adam, a Electronics and Electrical Engineering scholar from University of Strathclyde, records 40 D-Index - the 36th percentile of the discipline.
  • 36% of ranked Electronics and Electrical Engineering scientists score the same or lower than Grain Philip Adam, and about 64% score higher.
  • The median of the discipline falls in the 46 D-Index range, and Grain Philip Adam ranks below the median.
  • The most crowded range is 32 D-Index, holding 263 scientists (4% of the field).
  • 60% of the field sits in the lowest quarter of the value range (up to 50 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 111 D-Index or more, 96 scientists in all (1% of the field).

Overview

Grain Philip Adam is affiliated with the University of Strathclyde in the United Kingdom and specializes in engineering, with a strong focus on electrical and electronic engineering. Their research spans multiple subfields, including control and systems engineering, automotive engineering, and energy engineering and power technology.

The main topics of Grain Philip Adam's research include:

  • HVDC Systems and Fault Protection
  • Microgrid Control and Optimization
  • High-Voltage Power Transmission Systems
  • Multilevel Inverters and Converters
  • Advanced DC-DC Converters
  • Cardiac Structural Anomalies and Repair
  • Silicon Carbide Semiconductor Technologies

Frequent publication venues for their work are:

  • International Journal of Electrical Power & Energy Systems
  • IEEE Journal of Emerging and Selected Topics in Power Electronics
  • Energies
  • Electric Power Systems Research
  • IEEE Transactions on Power Electronics

Their recent papers reflect contributions primarily in the area of HVDC systems and power electronics:

  • DC Fault Protection Algorithms of MMC-HVDC Grids: Fault Analysis, Methodologies, Experimental Validations, and Future Trends (2021), published in IEEE Transactions on Power Electronics
  • Non-Unit Protection for HVDC Grids: An Analytical Approach for Wavelet Transform-Based Schemes (2020), published in IEEE Transactions on Power Delivery
  • Enhanced Control of Offshore Wind Farms Connected to MTDC Network Using Partially Selective DC Fault Protection (2020), published in IEEE Journal of Emerging and Selected Topics in Power Electronics
  • Enhanced Modular Multilevel Converter for HVdc Applications: Assessments of Dynamic and Transient Responses to AC and DC Faults (2020), published in IEEE Journal of Emerging and Selected Topics in Power Electronics
  • Unified Approach for Synthesis and Analysis of Non-Isolated DC-DC Converters (2021), published in IEEE Access

Grain Philip Adam collaborates frequently with several coauthors including Fahad Alsokhiry, Dimitrios Vozikis, Vasileios Psaras, Graeme Burt, and Lie Xu, with collaborations ranging from three to seven joint publications.

Best Publications

  • Inertia Emulation Control Strategy for VSC-HVDC Transmission Systems

    Jiebei Zhu;Campbell D. Booth;Grain P. Adam;Andrew J. Roscoe

  • HVDC Transmission: Technology Review, Market Trends and Future Outlook

    Abdulrahman Alassi;Santiago Bañales;Omar Ellabban;Grain Adam

  • Quasi Two-Level Operation of Modular Multilevel Converter for Use in a High-Power DC Transformer With DC Fault Isolation Capability

    I. A. Gowaid;G. P. Adam;Ahmed M. Massoud;Shehab Ahmed

  • Small-Signal Stability Analysis of Multi-Terminal VSC-Based DC Transmission Systems

    G. O. Kalcon;G. P. Adam;O. Anaya-Lara;S. Lo

  • Modular multilevel inverter: Pulse width modulation and capacitor balancing technique

    Grain Philip Adam;O. Anaya-Lara;G.M. Burt;D. Telford

  • New Breed of Network Fault-Tolerant Voltage-Source-Converter HVDC Transmission System

    G. P. Adam;K. H. Ahmed;S. J. Finney;K. Bell

  • Single-Phase Single-Stage Transformer less Grid-Connected PV System

    B. N. Alajmi;K. H. Ahmed;G. P. Adam;B. W. Williams

  • Capacitor Balance Issues of the Diode-Clamped Multilevel Inverter Operated in a Quasi Two-State Mode

    G.P. Adam;S.J. Finney;A.M. Massoud;B.W. Williams

  • Review of dc-dc converters for multi-terminal HVDC transmission networks

    Grain Philip Adam;Islam Azmy Gowaid;Stephen Jon Finney;Derrick Holliday

  • Analysis and Design of a Modular Multilevel Converter With Trapezoidal Modulation for Medium and High Voltage DC-DC Transformers

    I. A. Gowaid;Grain P. Adam;Shehab Ahmed;Derrick Holliday

  • DC Fault Protection Algorithms of MMC-HVDC Grids: Fault Analysis, Methodologies, Experimental Validations, and Future Trends

    Wang Xiang;Saizhao Yang;Grain Philip Adam;Haobo Zhang

  • Robust and Generic Control of Full-Bridge Modular Multilevel Converter High-Voltage DC Transmission Systems

    Grain Philip Adam;Innocent Ewean Davidson

  • Hybrid Multilevel Converter With Cascaded H-bridge Cells for HVDC Applications: Operating Principle and Scalability

    G. P. Adam;Ibrahim Abdallah Abdelsalam;Khaled Hani Ahmed;Barry W. Williams

  • Hybrid Cascaded Modular Multilevel Converter With DC Fault Ride-Through Capability for the HVDC Transmission System

    Rui Li;Grain Philip Adam;Derrick Holliday;John E. Fletcher

  • Half- and Full-Bridge Modular Multilevel Converter Models for Simulations of Full-Scale HVDC Links and Multiterminal DC Grids

    Grain P. Adam;Barry W. Williams

  • Network fault tolerant voltage-source-converters for high-voltage applications

    Grain Philip Adam;Stephen Finney;Barry Williams;D.R. Trainer

  • Generic inertia emulation controller for multi-terminal voltage-source-converter high voltage direct current systems

    Jiebei Zhu;Josep M. Guerrero;William Hung;Campbell D. Booth

  • Analysis of modular multilevel converter capacitor voltage balancing based on phase voltage redundant states

    Grain Philip Adam;Stephen Finney;Barry Williams

  • Hybrid Multilevel Converter: Capacitor Voltage Balancing Limits and its Extension

    Yushu Zhang;Grain Philip Adam;Tee C. Lim;Stephen J. Finney

  • Hybrid and Modular Multilevel Converter Designs for Isolated HVDC–DC Converters

    I. A. Gowaid;G. P. Adam;Ahmed M. Massoud;Shehab Ahmed

  • Mixed cells modular multilevel converter

    Grain Philip Adam;Khaled H. Ahmed;Barry W. Williams

Frequent Co-Authors

Barry W. Williams
Barry W. Williams University of Strathclyde
Stephen J. Finney
Stephen J. Finney University of Edinburgh
Olimpo Anaya-Lara
Olimpo Anaya-Lara University of Strathclyde
Graeme Burt
Graeme Burt University of Strathclyde
Khaled Ahmed
Khaled Ahmed University of Strathclyde
Lie Xu
Lie Xu University of Strathclyde
Ahmed M. Massoud
Ahmed M. Massoud Qatar University
Yusuf Al-Turki
Yusuf Al-Turki King Abdulaziz University
John E. Fletcher
John E. Fletcher University of New South Wales
Campbell Booth
Campbell Booth University of Strathclyde

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