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800 kV滤波器用断路器合闸电阻电热力多场耦合下性能评估

Gaoya dianqi
合闸电阻对于抑制滤波器组断路器过电压及合闸涌流具有重要作用，但随着电压等级的提升，800 kV滤波器断路器内部合闸电阻的故障率显著升高。目前对于合闸电阻工作环境多场耦合仿真还不够充分，相应改进措施也未得到验证。该研究针对合闸电阻在滤波器断路器中的可能出现的各种合闸电阻故障产生的原因进行了仿真分析，提出了相应的改进方案，并对改进后的效果进行了仿真验证。结果表明，合闸电阻在正常状态下，电场分布均匀，运行稳定；但在异常工况下，局部温度迅速升高，可能导致热应力集中并影响其性能 ...
牛勃, 蔡旭, 马飞越, 赵景禹, 孙尚鹏, 倪辉, 刘涛, 邓军波   +7 more
doaj  

[Orthodontic treatment strategies and considerations in adult patients with periodontal disease]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Feng G, Zhong W, Song J.
europepmc   +1 more source

[Medical treatment standards for emergency burn wounded (2025 edition)]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
National Health Commission Of The People's Republic Of China.
europepmc   +1 more source

[Teaching practice of undergraduate graduation projects in clinical laboratory science integrating liquid chromatography-tandem mass spectrometry and external quality assessment]. [PDF]

Se Pu
Shi J, Wang M, Xue QZ, Zhang SL, Hu YW.
europepmc   +1 more source

[Preliminary development and evaluation of a scale to assess caregivers' responsive feeding behaviors for children aged 0-24 months]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang CP, Wang J, Fan BJ, Yang L, Dong J, Qian J, Zhang M.   +6 more
europepmc   +1 more source

["Chongqing experiences" in treatment of bone infections]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Xie Z.
europepmc   +1 more source

[Expert consensus on the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: congenital heart disease (2025)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology, Society of Pediatrics, Chinese Medical Association; Editorial Board of Chinese Journal of Contemporary Pediatrics.   +2 more
europepmc   +1 more source

[Clinical exploration and practice of a 16-step new model of comfortable supragingival scaling]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chen Y, Li J, Wang Y, Li J, Liu J, Zhou Y, Li A.   +6 more
europepmc   +1 more source

[Protective environment strategies for hematopoietic stem cell transplantation: progress and prospects]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Zhou X, Zhang J, Xu L, Jin A.
europepmc   +1 more source

[Simulation analysis of adaptability of large airborne negative pressure isolation cabin to aviation conditions]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo L, Li F, Jiang L, Du H, Xue B, Yong W, Jiang Y, Zhang M.   +7 more
europepmc   +1 more source