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The invention discloses a faulted arc type electrical fire monitoring detector. The faulted arc type electrical fire monitoring detector mainly comprises a power supply transformation unit, an output current signal sample amplification unit, an arc spectrum characteristic extraction unit, a spectrum pulse...
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ab. to perform environmental monitoring work within the EIA cycle; b. 要执行环境监测在EIA周期之内工作;[translate] aAs per after meeting, Please see attached file Analysis Report of Staff Canteen 2012. 正在翻译,请等待...[translate] aInsulation resistance constant K at 20 Degr. (Min). 绝缘电阻...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook arc welding (redirected fromGas arc welding) Encyclopedia Related to Gas arc welding:gas brazing arc welding n. Welding that uses an electric arc to provide heat. ...
such as oxygen and hydrogen, during such recharging. Electric arcing obviously could be disastrous in such an atmosphere. Accordingly, monitoring that environment for electric arcing and shutting down the charging process and giving an alarm immediately upon detection of arcing, could prevent disaster....
Accordingly, monitoring that environment for electric arcing and shutting down the charging process and giving an alarm immediately upon detection of arcing, could prevent disaster. In all these cases, the invention selects a fractal subset 16 of the signature of the electric arc 22 for the ...
INTEGRATED TUNNEL DISASTER PREVENTION SYSTEM CAPABLE OF MONITORING ACCIDENTS, PREVENTING FIRE, AND SAVING VICTIMS According to one embodiment of the present invention, an integrated tunnel disaster prevention system comprises: a cable tray having a pair of upright side... SK Choi 被引量: 0发表: ...
The arc detec- tion system requires a DC power supply that represents the string of solar panels the unit is monitoring. A resistive ballast is used in the system to simulate any resistive load that an actual system may have and to dissipate the energy of the generated arcing event. A ...