Chen Guan
Xi'an Jiaotong University
26 Papers
31 Citations
Chen Guan is an academic researcher from Xi'an Jiaotong University. The author has contributed to research in topics: Circuit breaker & Fault (power engineering). The author has an hindex of 2, co-authored 20 publications.
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Papers
Optimizing the Opening Velocity for a Vacuum Circuit Breaker With Cup-Type Axial Magnetic Field Contacts
TL;DR: In this article, the authors extended the quantitative method of optimizing the opening velocities for a vacuum circuit breaker (VCB) with cup-type axial magnetic field (AMF) contacts.
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Influence of trace H 2 O and O 2 on SF 6 decomposition products under arcing conditions in electric power equipment
TL;DR: In this paper, the influence mechanism of trace H2O and O2 on SF6 decomposition products under arcing conditions was explored, and it was found that the decomposition product of SF6 are SOF2, SO2, CO, CO2, CF4, C2F6 and C3F8.
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Research on the Contact Bounce During the Closing Process of a Repulsion Mechanism Applied in a Superconductivity Direct-Current Vacuum Circuit Breaker
TL;DR: In this paper, a multi-physics field coupling simulation model is established to describe the whole closing process for the repulsion mechanism, and the critical instantaneous closing velocity Vcri for the case of no contact bounce is determined.
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Controlled Fast Vacuum Breaking of an AC Short-Circuit Current in a Short-arcing Time
Xiaofei Yao,Chen Guan,Jianagang Ding,Shaogui Ai,Kui Ma,Jianhua Wang,Yingsan Geng,Zhiyuan Liu +7 more
TL;DR: In this paper, the authors proposed controlled fast vacuum breaking (CFVB) of a short-circuit current within short-arcing time, which performs the following: determining a lower-limit opening speed of 3.5 m/s for a 40.5 kV fast vacuum circuit breaker (FVCB), quickly predicting the fault current-zero within 4.0 ± 0.05 ms to achieve an accurate opening operation.
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Influence of Opening Velocity on Arcing Time Windows of Fast Vacuum Circuit Breaker in Duties of Terminal Fault Test T100s
Wen Shi,Bojian Zhang,Chen Guan,Jiangang Ding,Xiaofei Yao,Zhiyuan Liu,Jianhua Wang,Yingsan Geng +7 more
- 01 Oct 2019
TL;DR: In this paper, the influence of opening velocity on arcing time windows of fast vacuum circuit breaker in duties of terminal fault test t100s under three kinds of opening velocities 2.67m/s, 3.45 m/s and 4.51 m/m, respectively, was revealed.
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