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hsf_edu: ½ð±Ò+20, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£²»´í£¬¾ÍÊÇÎÒÏëÒªµÄ£¬·Ç³£¸Ðл£¡ 2015-03-25 11:40:23
hsf_edu: ½ð±Ò+20, ·ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£²»´í£¬¾ÍÊÇÎÒÏëÒªµÄ£¬·Ç³£¸Ðл£¡ 2015-03-25 11:40:23
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ÔËÐнá¹û±íÃ÷£¬·ÇÖÜÆÚ·ÖÁ¿·½Ïò×ݲ»¤ ²»ÊÜ Ïß·¶ÔµØµçÈÝ µÄÓ°Ï죬ÎÞÂÛ µ¥¶À×÷ΪÖ÷±£»¤£¬»òÓëÆäËû ±£»¤Ïà½áºÏ£¬¶¼ÄÜ ×¼È·ÅжϵçÁ¦ÏµÍ³ ¶Ì·¹ÊÕÏ£¬µ«·ÇÖÜÆÚ·ÖÁ¿ ÊÇÒ»¸ö ÔÝ̬Á¿£¬´æÔÚ Ê±¼ä½Ï¶Ì£¬ÔÚÔËÓÃÖÐ ÐèҪʹÓà Ðźű£³ÖÆ÷¡£ The test run results revealed that the directional differential protection of aperiodic components was not affected by the influence of line to ground capacitance. Either as a sole major protection, or as a part of the combined protections, it can always accurately identify the short fault of electric system, however, aperiodic components are transient signals with short existence, therefore a signal maintainer is needed during operation. |
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