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Influence of thermal aging on the breakdown characteristics of transformer oil impregnated paper
For a long time, thermal effect, as a major factor for insulation aging, is a great challenge to the safe operation of power transformers. During the decades-long operation, cellulose fibersExpand
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Transient Characteristics Under Ground and Short-Circuit Faults in a ${\pm \text{500}\,\text{kV}}$ MMC-Based HVDC System With Hybrid DC Circuit Breakers
The development of voltage-source-converter (VSC)-based high-voltage direct current systems has increased significantly. Expand
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Retrofitting the BCTRAN Transformer Model With Nonlinear Magnetizing Branches for the Accurate Study of Low-Frequency Deep Saturating Transients
In this paper, an extension to the multiwinding BCTRAN model is proposed for the study of low-frequency saturating transients in single-phase transformers. Expand
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Proton radiation therapy is gaining popularity because of the unique characteristics of its dose distribution, e.g., high dose-gradient at the distal end of the percentage-depth-dose curve (known asExpand
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A Novel Active Mechanical HVDC Breaker With Consecutive Interruption Capability for Fault Clearances in MMC-HVDC Systems
The lack of dc fault clearance capability is a major obstacle that restricts the development of high-voltage direct current (HVdc) systems. Expand
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Cu6Sn5 precipitation during Sn-based solder/Cu joint solidification and its effects on the growth of interfacial intermetallic compounds
Abstract A study was performed on the precipitation behavior of Cu 6 Sn 5 during the solidification of Sn-based solders/Cu joints and its effect on the growth of interfacial intermetallic compoundsExpand
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Study on the accumulative effect of repeated lightning impulses on insulation characteristics of transformer oil impregnated paper
Oil-paper insulation, as a major insulation mode used in power transformers, is continuously and unavoidably subjected to repeated lightning impulses, which may bring potential risk to the insulationExpand
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Study on voltage-number characteristics of transformer insulation under transformer invading non-standard lightning impulses
According to the IEC Standard, the insulation performances of power apparatus under lightning impulse voltages are evaluated by the withstand test of standard lightning impulse voltage, with the waveExpand
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Effect of grain orientation on mechanical properties and thermomechanical response of Sn-based solder interconnects
Abstract The thermomechanical response of Sn-based solder interconnects with differently oriented grains was investigated by electron backscattered diffraction technique under thermal cycling andExpand
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Effect of space charge on the accumulative characteristics of oil paper insulation under repeated lightning impulses
Repeated impulses have long been considered to affect the insulation properties of electrical equipment. This interesting but rarely studied phenomenon may pose great risks to the reliable operationExpand
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