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Islanding is the condition in which a distributed generator continues to power a location even though electrical grid power is no longer present. Islanding can be dangerous to utility workers, who may not realize that a circuit is still powered, and it may prevent automatic re-connection of devices.


Top 10 Corporate Owners


 
Issued Patent Count   
 
Published Pending Application Count

Corporation Patents and Published Applications Count
1. ABB
 
 
50
2. General Electric Company
 
 
32
3. Siemens Aktiengesellschaft A German Corp.
 
 
16
4. Enphase Energy, Inc.
 
 
15
5. Dynapower Company Llc
 
 
11
6. Kyocera Corporation
 
 
9
7. Sma Solar Technology
 
 
8
8. Inventor
 
 
8
9. Hitachi, Ltd.
 
 
8
10. US Department of Energy
 
 
8




Category and Tag Distribution

Category and Tags Patents and Published Applications
  • Detection
  •  
    213
    213 Detection
  • Disconnect
  •  
    70
    70 Disconnect
  • Gen/Load
  •  
    26
    26 Gen/Load
  • Microgrid Sync
  •  
    83
    83 Microgrid Sync
  • Prevention
  •  
    2
    2 Prevention
  • Protection
  •  
    8
    8 Protection
  • Reclose
  •  
    16
    16 Reclose
  • Solar
  •  
    5
    5 Solar
  • Testing
  •  
    6
    6 Testing
  • Wind
  •  
    11
    11 Wind


    Recent Published Activity in Microgrids: Islanding as of November 20, 2019