共找到 9 條與 測(cè)試斷言 相關(guān)的標(biāo)準(zhǔn)，共 1 頁(yè)
Universal measurement automatic measurement system and test procedures point measurement of harmful substances in the air
La presente norma è la versione ufficiale in lingua italiana della norma europea EN ISO 105-B04 (edizione aprile 1997). La norma definisce un
Textiles - Tests for colour fastness - Colour fastness to artificial weathering: Xenon arc fading lamp test
1.1 This test method covers the procedures for determining the threshold detection level, readily detectable level, and odor intensity
Standard Test Method for Natural Gas Odor Intensity
本文件描述了柔性直流換流閥功率模塊損耗測(cè)試方法，包括雙脈沖法、電測(cè)法、量熱法、平衡量熱法，給出了以上方法的測(cè)試原理、測(cè)試環(huán)境、測(cè)試要求、測(cè)試系統(tǒng)、測(cè)試程序和損耗計(jì)算等。本文件適用于基于絕緣柵雙極晶體管（IGBT）的模塊化多電平換流器（MMC）柔性直流換流閥功率模塊的損耗測(cè)試。基于其他類(lèi)型功率器件的
Test methods for power losses of sub-module in voltage-sourced-converter (VSC) valve
Test procedures for islanding prevention measures for mains parallel-connected solar photovoltaic converters
Fire hazard testing - Part 1-30: Guidance for assessing the fire hazard of electrotechnical products - Preselection testing process - General guidelines
Language: English Written by: SEK SVENSK
Wearable electronic devices and technologies - Part 402-1: Performance measurement of fitness wearables - Test methods of glove-type motion sensors for measuring finger movements
Language: English Written by: SEK SVENSK
Wearable electronic devices and technologies - Part 402-3: Performance measurement of fitness wearables - Test methods for the determination of the accuracy of heart rate
在第1段之后增加：本標(biāo)準(zhǔn)是針對(duì)具有單極時(shí)額定直流電壓不超過(guò)220 V、二極時(shí)不超過(guò)440 V且額定電流不超過(guò)125 A、額定直流短路容量不超過(guò)10 kA之直流操作之?dāng)嗦菲魈峁┳芳又?guī)定
Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 2: Circuit-breakers for a.c. and d.c. operation
