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20kVA /150kV工频耐压、局部放电试验系统技术方案
内置可充电的锂电池。 输入单元是将放电试验回路中的放电信息检测出来的重要单元,亦称为检测阻抗。本输入单元从1号~12号,及7R,能符合IEC270所推荐的几种局部放电的检测方法(并联法、串联法、平衡法等)。本输入单元采用高频变压器的双调谐式输入回路 ...
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Reaches tentative union deal
Judge unseals new evidence
Philip Zimbardo dies at 91
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G7 ministers back Ukraine
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FAA opens new safety review
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NK sending troops to RU?
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Emergency abortion ruling
‘Full Self-Driving’ probe
At decade-high level
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OK classroom Bible suit
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Calif. oil refinery closure
Antitrust ruling delayed
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