直擊雷保護 的英文怎麼說
中文拼音 [zhíjīléibǎohù]
直擊雷保護
英文
direct stroke protection (lightning)- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 保 : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
- 護 : 動詞1. (保護; 保衛) protect; guard; shield 2. (袒護;包庇) be partial to; shield from censure
- 直擊 : straight hit
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The shorter the interval between the two pulses of the current wave, the fewer strikes the varistors can endure. at the same time, the dc ljima changes fast - slowly - fast alone with the experiment continuing. microstructual disorder, such as variations in the height of the electrostatic potential at grain boundaries and electrode protrusions into the zinc oxide varistors, causes substantial temperature rise in a microscopic region around the defect and is the source for failure
雷電的多重閃擊對雷電過電壓保護器件的影響更加嚴重,本文首次採用不同間歇時間雙脈沖電流沖擊對氧化鋅電阻進行了多次試驗,試驗表明:氧化鋅電阻在雙脈沖電流沖擊下更容易出現老化破壞現象,間歇時間越短,電阻能耐受的沖擊次數越少;此外,直流u _ ( 1ma )值隨沖擊次數的增加具有快一慢一快的下降過程。
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