GB12325-90电能质量供电电压允许偏差免费下载.pdf

?????????????ú?ú??±ê×? GB 12325??90 ?? ?? ?? ?? ???????????í???? Quality of electric energy supply Admissible deviation of supply voltage ?ú???????à????1990-04-20?ú×? 1990-12-01?? 1 ?÷????????????·??§ ±?±ê×????¨?????????????í??????????±?±ê×??????????????????????????????ù±?±??¤?????????????????á?????§???? ±?±ê×??????????÷50Hz???????????????????????????????????????¨???????????? ±?±ê×???????????????·??????????é???? ×?????±?±ê×??????¨?????????????¨?????? ?????????????????????????????ù????????°??¤?¨?¤???????? 2 ????±ê×?GB 156 ???¨???? 3 ???????????í???? 3.1 35kV?°???????????????????????????????????????????¨??????10%?? ×?????????????????????????(?ù?????ò??)?±??°????ó????????????×÷???????????? 3.2 10kV?°???????à???????????í?????????¨????????7%?? 3.3 220V???à???????????í?????????¨??????+7%??-10%?? ×??????????è±????¨?¤???????????í?????????÷×?±ê×????¨????????×????ú°?GB755????×????ú ?ù±????????ó?·???¨?? ?????????????????ó?????§?????????????í???????????????é?·?¨?? ?? ? A ?????????????????????÷ (??????) A1 ±?±ê×??????????????????????????§???ú?¨·????????????ò???????????é?ù???¨???????????????????? A2 ???????????????? ???¨???????¨??????(%) =-100(%) ____________________ ???????÷?? ±?±ê×??????ú???????÷??????????±ê×??????????±?á?á?????é???? ±?±ê×??????????? ???????????í?????¤×÷×é?????????? ±?±ê×??÷???????????????????????????ó??????±??????ì???ú??