No | Table Column Head | |||
Freq | Centrality | Notes | Appear year | |
1 | 225 | 0.97 | power quality | 2000 |
2 | 34 | 0.06 | distributed power | 2007 |
3 | 24 | 0.06 | power distribution system | 2000 |
4 | 21 | 0.04 | reactive compensation | 2003 |
5 | 17 | 0.05 | distributed generation | 2003 |
6 | 13 | 0.03 | smart grid | 2009 |
7 | 13 | 0.02 | voltage drop | 2003 |
8 | 13 | 0.02 | voltage fluctuation | 2004 |
9 | 12 | 0.02 | voltage sag | 2006 |
10 | 9 | 0.03 | power factor | 2004 |