HVDC Back-to-Back System Configuration: Explained

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SUMMARY

The HVDC back-to-back system configuration features two converters located on the same site, facilitating direct interconnection without a transmission line. This setup connects alternating current (AC) systems at both ends, hence the term "back-to-back." The analogy of "back-to-back" refers to the immediate connection of two systems, similar to consecutive games in sports. Understanding this configuration is crucial for grasping the operational dynamics of HVDC systems.

PREREQUISITES
  • HVDC (High Voltage Direct Current) technology
  • Converter operation principles
  • AC (Alternating Current) system fundamentals
  • Electrical interconnection concepts
NEXT STEPS
  • Research the operational principles of HVDC converters
  • Study the advantages of HVDC over traditional AC transmission
  • Explore the applications of back-to-back HVDC systems in power grids
  • Learn about the control mechanisms for HVDC systems
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Electrical engineers, power system designers, and anyone involved in the implementation and optimization of HVDC technology.

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attachment.php?attachmentid=63075&stc=1&d=1382101630.png


The above diagram is for HVDC back to back system. My question is why do we call it back to back system?

Could someone please help me here?
 

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It's a sports metaphor - like two games, back to back.

In this case it is because you see an AC system connected at one end, and another at the other end: back to back.
 
UltrafastPED said:
like two games, back to back.
Could you please explain it? I am guessing "the two games happening immediately one after another. Correct?"
 
The simplest configuration is the back-to-back interconnection in which two converters are on the
same site without a transmission line.

Could someone please indicate the similarity between the bold part of the above sentence and the HVDC back-to-back system diagram above?
 

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