Power flow control of offshore wind farms fed to power grids using an HVDC system

2012 ◽  
Author(s):  
Li Wang ◽  
Mi Sa-Nguyen Thi
Keyword(s):  
Flow Control ◽  
Power Flow ◽  
Wind Farms ◽  
Power Grids ◽  
Offshore Wind ◽  
Offshore Wind Farms ◽  
Power Flow Control ◽  
Hvdc System

scholarly journals Operation and Power Flow Control of Multi-Terminal DC Networks for Grid Integration of Offshore Wind Farms Using Genetic Algorithms

Energies ◽  
2012 ◽  
Vol 6 (1) ◽  
pp. 1-26 ◽  
Author(s):  
Rodrigo Pinto ◽  
Sílvio Rodrigues ◽  
Edwin Wiggelinkhuizen ◽  
Ricardo Scherrer ◽  
Pavol Bauer ◽  
...  
Keyword(s):  
Genetic Algorithms ◽  
Flow Control ◽  
Power Flow ◽  
Wind Farms ◽  
Offshore Wind ◽  
Grid Integration ◽  
Offshore Wind Farms ◽  
Power Flow Control

scholarly journals Offshore Wind Farms On-Site Submarine Cable Testing and Diagnosis with Damped AC

Energies ◽  
2019 ◽  
Vol 12 (19) ◽  
pp. 3703 ◽  
Author(s):  
Gulski ◽  
Jongen ◽  
Rakowska ◽  
Siodla
Keyword(s):  
Wind Farms ◽  
International Standards ◽  
Power Grids ◽  
Offshore Wind ◽  
Power Cables ◽  
Testing Technique ◽  
Offshore Wind Farms ◽  
Current State ◽  
Repair Costs ◽  
Testing Solution

: The current power cables IEC standards do not provide adequate recommendations for after-laying testing and diagnosis of offshore export and inter-array power cables. However the standards IEEE 400 and IEEE 400.4 recommend partial discharge monitored testing, e.g., by continuous or damped AC voltages (DAC). Based on the international experiences, as collected in more than 20 years at different power grids, this contribution focuses on the use of DAC for after-laying testing and diagnosis of submarine power cables both the export and inter-array cables. Higher risk of failure, long unavailability, higher repair costs, and maintenance costs imply that advanced quality control is becoming more important. The current state of the existing and drafting international standards are based on onshore experiences and not related to the actual serious problems experienced with failures on export up to 230 kV and inter-array cables up to 66 kV. The application of damped AC as a testing solution in this concern is specially discussed. The advantages of this testing technique, in combination with actual testing examples, show the findings on export and inter-array cables at offshore wind farms.

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