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Case study of a Multi-Infeed HVDC system

De Toledo, Paulo Fischer (author)
KTH,Elektriska maskiner och effektelektronik
Pan, J. (author)
Srivastava, K. (author)
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WeiGuo, W. (author)
Chao, H. (author)
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 (creator_code:org_t)
2008
2008
English.
Series: 2008 Joint International Conference on Power System Technology POWERCON and IEEE Power India Conference, POWERCON 2008
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • There are serious concerns relating to a Multi- Infeed HIVDC system when feeding a weak AC network. Typical issues concerning multi-infeed configurations are: need for coordination of the recovery control, need for different DC modulation strategies to stabilize the system, possibility of voltage instability of the area receiving large amount of power from multiple HVDC links and the risk of mutual commutation failures. In contrast, if the area receiving electrical power from multiple HVDC transmission links is relatively strong due to the presence of large amount of generation units nearby there are still some questions that need to be investigated such as the issues underlining the operation of such a multi-infeed system, the proper design of the controls of the HVDC systems and the system dynamic performance under extreme contingencies. This paper investigates into an example of such a multi-infeed HVDC system. The authors have performed small signal analysis of the system to assess instability associated with the control modes. Electromechanical and voltage stability analysis were performed for harmful contingencies. Dynamic performance analysis was also carried out to analyze the interaction amongst various HVDC inverters during disturbances.

Subject headings

NATURVETENSKAP  -- Data- och informationsvetenskap -- Datavetenskap (hsv//swe)
NATURAL SCIENCES  -- Computer and Information Sciences -- Computer Sciences (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)

Keyword

Control
Dynamic performance
HIVDC transmission
Multi-infeed
Simulation
Stability
Dynamic analysis
Electric power transmission networks
Power transmission
Signal analysis
System stability
Ac networks
Commutation failures
Control modes
DC modulations
Dynamic performance analysis
Electrical power
Extreme contingencies
Generation units
Hvdc links
Hvdc systems
Hvdc transmissions
Multi-infeed HVDC systems
Proper designs
Recovery controls
Small-signal analysis
System dynamic performance
Voltage instabilities
Voltage stability analysis
HVDC power transmission

Publication and Content Type

ref (subject category)
kon (subject category)

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By the author/editor
De Toledo, Paulo ...
Pan, J.
Srivastava, K.
WeiGuo, W.
Chao, H.
About the subject
NATURAL SCIENCES
NATURAL SCIENCES
and Computer and Inf ...
and Computer Science ...
ENGINEERING AND TECHNOLOGY
ENGINEERING AND ...
and Mechanical Engin ...
and Energy Engineeri ...
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By the university
Royal Institute of Technology

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