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1 个月
新风光(青岛)交通科技发明水冷逆变单元专利,确保IGBT模块高效 ...
根据专利摘要,该装置结构包括单元壳体、水冷散热器、IGBT模块、滤波电容、单元控制板、输入和输出端子。而其中,水冷散热器设有进水和出水 ...
10 天
功率器件热设计基础(七)——热等效模型
有了热阻热容的概念,自然就会想到在导热材料串并联时,就可以用阻容网络来描述。一个带铜基板的模块有7层材料构成,各层都有一定的热阻和热容,哪怕是散热器,其本身也有热阻和热容。整个散热通路还包括导热脂、散热器和环境。不同时间尺度下的各层温度如下图,温度的 ...
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今日热点
Announce retaliatory tariffs
6 Mexicans killed in crash
DOGE gains access to data
US strikes ISIS operatives
Lakers trade Davis for Doncic
Drone pilot to plead guilty
CA's largest fires contained
Bans DeepSeek, RedNote
Receives $250K settlement
Judge blocks funding freeze
WBD hit with copyright suit
Opens probe into NPR, PBS
Tour boat captain sentenced
New media rotation program
Seeking a new trial
Cancerous tumor removed
Gold hits all-time high
USAID website goes offline
3rd soldier ID'd in DC crash
Jan. 6 prosecutors fired
Martin elected DNC chair
Dismisses suit against CNN
Ends abortion travel policy
TN settles suit with NCAA
US inflation ticked higher
New York doctor indicted
Boy, 5, dies in explosion
Dog food recall
Agrees to accept migrants
Ex-Fed advisor arrested
Hamas releases 3 hostages
Imavov knocks out Adesanya
Suspends dividend
Ex-German president dies
Costco, Teamsters reach deal
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