注:①I(mǎi)b為基本電流;
、贗max為額定最大電流;
、跜為容性負(fù)載;
、軐(duì)0.01級(jí)儀表,本技術(shù)條件只規(guī)定了基本技術(shù)要求,即基本誤差、標(biāo)準(zhǔn)偏差估計(jì)值及穩(wěn)定性等,未給出其他技術(shù)指標(biāo)。
表 7 不平衡負(fù)載時(shí)三相標(biāo)準(zhǔn)電能表基本誤差限
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