Simulation and analysis of UHV half wavelength and DC hybrid transmission system

Qianyu Zhao, Shouxiang Wang, Xiaohui Qin, Seyedamirabbas Mousavian, Lei Wu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The scenarios of a half wavelength transmission line (HWTL) connected to the original DC asynchronous interconnection system are established based on the quasi-steady state model of HWTL, which include single or double loops of single channel and multi-channel scenarios with different starting and landing points. Firstly, the steady state power flow characters of multi-scenario transmission schemes are studied. The voltage distribution characters of HWTL are analyzed when its transmission power and power factor vary, and the influence of the DC power variation on voltage of HWTL is discussed. Then the transient characters of HWDHTS are explored. The DC commutation failure caused by the fault of HWTL is simulated and the power transfer capacity of HWTL while DC blocking is calculated in this paper.

Original languageEnglish
Pages (from-to)366-375
Number of pages10
JournalGlobal Energy Interconnection
Volume1
Issue number3
DOIs
StatePublished - Aug 2018

Keywords

  • Steady state characters
  • Transient stability
  • UHV DC system
  • UHV half-wavelength AC power transmission line

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