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³í¹®¸í µ¥ÀÌÅͼ¾ÅÍ °øÁ¶¡¤³Ã°¢½Ã½ºÅÛ ¹æ½Ä±¸ºÐ ¹× ÀûÇÕ¼º ¼º´É½ÃÇè ¹æ¹ý/±âÁØ¿¡ ´ëÇÑ ¿¬±¸ / A Study on Performance Standard and Test Method of CRAC/H(Computer Room Air Conditioning/Handling) Units for Data Centers
ÀúÀÚ¸í Á¶Áø±Õ(Jinkyun Cho)½Äº°ÀúÀÚ ; ±è¼±Á¤(Sun-Jeong Kim) ; Á¤¿ë´ë(Yongdae Jeong) ; ¹Úº´¿ë(Beungyong Park)½Äº°ÀúÀÚ
¹ßÇà»ç ´ëÇѼ³ºñ°øÇÐȸ
¼ö·Ï»çÇ× ¼³ºñ°øÇÐ³í¹®Áý, Vol.32 No.5 (2020-05)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(235) ÃÑÆäÀÌÁö(14)
ISSN 1229-6422
ÁÖÁ¦ºÐ·ù ȯ°æ¹×¼³ºñ
ÁÖÁ¦¾î µ¥ÀÌÅͼ¾ÅÍ; °øÁ¶?³Ã°¢½Ã½ºÅÛ; µ¥ÀÌÅͼ¾ÅÍ ³Ã°¢±â±â; ¼º´É½ÃÇè; IT±â±â ¿î¿µÈ¯°æ ; Data center; Cooling system; CRAC/H units; Performance testing; IT environment
¿ä¾à1 µ¥ÀÌÅͼ¾ÅÍ ¿î¿µ?¼­ºñ½º Áß½ÉÀÇ ±¹³»½ÃÀå Æ¯¼º ¹× ÇØ¿Ü ±â¼ú°úÀÇ °ÝÂ÷¿¡ µû¸¥ »õ·Î¿î µ¥ÀÌÅͼ¾ÅÍ °ü·Ã ITȯ°æ Áö¼Ó°¡´É ±â¼úÀ» È®º¸Çϱâ À§Çؼ­´Â µ¥ÀÌÅͼ¾ÅÍ È¯°æ¿¡ ¸Â´Â ³Ã°¢½Ã½ºÅÛÀÇ ¼º´É±âÁØÀÌ ¸íÈ®ÇÏ°Ô Á¦½ÃµÇ¾î¾ß ÇÑ´Ù. ½Å»ê¾÷ µ¿·ÂÀÎ IT±â¼úÀÇ ±¸ÇöÀ» À§ÇÑ Áß¿äÇÑ µ¥ÀÌÅͼ¾ÅÍÀÇ »óÈ£ ¿¬°èµÈ Á¾ÇÕÀûÀÎ ³Ã°¢ ¼Ö·ç¼ÇÀÇ ¼º´ÉÆò°¡¿Í ½ÃÇè±âÁØ °³¹ßÀÌ ¿ä±¸µÇ°í ÀÖ´Ù. º» ¿¬±¸´Â Àü¿ë µ¥ÀÌÅͼ¾ÅÍ ³Ã¹æ±â±âÀÎ CRAC/H À¯´ÖÀÇ ¼º´É Æò°¡, ¿¡³ÊÁöÈ¿À² µî ½ÃÇèÆò°¡¸¦ À§ÇÑ Ã¼°èÀûÀÎ °øÁ¶?³Ã°¢½Ã½ºÅÛ À¯ÇüºÐ·ù, ±¹?³»¿Ü Ç¥ÁØ ¹× ½ÃÇè¹æ¹ýÀ» ºÐ¼®ÇÏ¿© ½ÇÁúÀûÀÎ µ¥ÀÌÅͼ¾ÅÍ ITȯ°æÀ¯Áö¿¡ ºÎÇÕÇÑ ½ÃÇè±âÁØ ¹× ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. ±× °á°ú¸¦ Á¤¸®ÇÏ¸é ´ÙÀ½°ú °°´Ù.
(1) µ¥ÀÌÅͼ¾ÅÍÀÇ ÀûÁ¤ ITȯ°æÀ» À¯ÁöÇϰí ITÀåºñ¿¡¼­ ¹ß»ýÇÏ´Â ¿­-¿¡³ÊÁö¸¦ ½Ç¿Ü·Î Àü´ÞÇÏ´Â ³Ã°¢¹æ½ÄÀº ¨ç°ø·©½Ä, ¨è¼ö³Ã½Ä, ¨é±Û¸®ÄݽÄÀ» »ç¿ëÇÏ´Â CRAC À¯´Ö°ú, Áß¾Ó¿­¿ø¿¡¼­ »ý»êµÈ ³Ã¼ö¸¦ ÀÌ¿ëÇÏ´Â ¨êÁ߾ӳüö½Ä CRAH À¯´ÖÀÇ 4°¡Áö ¹æ½ÄÀ¸·Î ±¸ºÐµÇ°í °¡Àå º¸ÆíÀûÀ¸·Î Àû¿ëµÇ´Â ¹æ½ÄÀÌ´Ù.
(2) µ¥ÀÌÅͼ¾ÅÍ °øÁ¶(°ø±âºÐ¹è)¹æ½ÄÀº IT¼­¹ö·ë Àüü¸¦ Á¦¾îÇÏ´Â ¨ç°ø´Ü´ÜÀ§ °øÁ¶¹æ½Ä, ·¢-¼­¹ö°¡ ¹è¿­µÈ ÀϺÎÀÇ ±¸¿ªÀ» ´ã´çÇÏ´Â ¨è±¸¿ª´ÜÀ§ °øÁ¶¹æ½Ä, ¸¶Áö¸·À¸·Î °³º° ·¢-¼­¹ö¿¡ ´ëÀÀÇÏ´Â ¨éITÀåºñ´ÜÀ§ °øÁ¶¹æ½ÄÀÇ 3°¡Áö ¹æ½ÄÀ¸·Î ±¸ºÐµÇ°í, ITÀåºñÀÇ ÁýÀûµµ°¡ ³ô¾ÆÁö¸é¼­ ±¸¿ª´ÜÀ§ ¹× ITÀåºñ´ÜÀ§ °øÁ¶¹æ½ÄÀ¸·Î ÀüȯµÇ°í ÀÖ´Ù.
(3) CRAC/H À¯´ÖÀÇ À¯ÇüÀº ¼³Ä¡À§Ä¡¿¡ µû¶ó ¨ç»óÄ¡Çü°ú ¨èõÁ¤ÇüÀ¸·Î ±¸ºÐµÇ°í ´Ù½Ã ±Þ±â(SA) ¹× ȯ±â(RA)¿¡ µû¶ó¼­ »óÇâ½Ä, ÇÏÇâ½Ä, ¼öÆò½ÄÀ¸·Î ºÐ·ùµÈ´Ù. ´õ ¼¼ºÎÀûÀ¸·Î´Â ´öÆ®Çü°ú ¹«´öÆ®ÇüÀ¸·Î ³ª´¶´Ù.
(4) ±¹³»ÀÇ °øÁ¶?³Ã°¢½Ã½ºÅÛ ¼º´ÉÆò°¡ ±â¼úÇ¥ÁØÀº ´öÆ®¾ø´Â ¿¡¾îÄÁ°ú ¿­ÆßÇÁ(KS B ISO 5151), ¿¡¾îÄÁµð¼Å³Ê(KS C 9306) ¹× Ç׿ÂÇ×½À±â(SPS-KARSE B 0001-164) µî À¯»ç ǰ¸ñÀÌ ÀÖÀ¸³ª, ITȯ°æ ¹× ¿î¿µÆ¯¼ºÀ» ¹Ý¿µÇÑ µ¥ÀÌÅͼ¾ÅÍ CRAC/H À¯´Ö¿¡ ºÎÇÕÇÏ´Â ½ÃÇè¹æ¹ý ¹× ±âÁØÀº ¾ÆÁ÷±îÁö´Â ¾ø´Ù.
(5) ÇØ¿Ü´Â ANSI/ASHRAE Standard 127°ú AHRI Standard 1361 µî ITȯ°æÀ» °í·ÁÇÑ °øÁ¶?³Ã°¢ ¹æ½ÄÀÇ ±¸ºÐ ¹× ¸ðµç CRAC/H À¯´Ö À¯ÇüÀ» Æ÷ÇÔÇÏ´Â ±â¼úÇ¥ÁØÀÌ ÀÖ´Ù.
(6) ±¹¿ÜÀÇ µ¥ÀÌÅͼ¾ÅÍ Àü¿ë CRAC/H À¯´Ö¿¡ Àû¿ëµÇ´Â ƯȭµÈ ½ÃÇèÁ¶°Ç°ú ±¹³»ÀÇ °øÁ¶?³Ã°¢ ½Ã½ºÅÛÀÇ ½ÃÇè±âÁØÀ» °ËÅäÇÏ¿© ÇÕ¸®ÀûÀÎ ¼º´ÉÆò°¡¸¦ À§ÇÑ ´ë¾ÈÁ¶°ÇÀ» Á¦½ÃÇÏ¿´°í, À̸¦ ¹ÙÅÁÀ¸·Î ½ÇÇè´ë»ó CRAC À¯´ÖÀº ±× »ç¿ë ¸ñÀû¿¡ ¸Â´Â ITȯ°æÀ» ¹Ý¿µÇÑ ¿î¿µÁ¶°Ç¿¡¼­ ½ÇÁ¦·Î ¾ò°íÀÚ ÇÏ´Â ³Ã¹æ´É·ÂÀ» È®º¸ÇÒ ¼ö ÀÖÀ½À» È®ÀÎ ÇÒ ¼ö ÀÖ¾ú´Ù.




±¹³» IT±â¼ú°ú À̸¦ ±¸ÇöÇÏ´Â µ¥ÀÌÅͼ¾ÅÍ °Ç¼³ ¿£Áö´Ï¾î¸µ ±â¼úÀº ¾çÀû, ÁúÀûÀ¸·Î ¼¼°èÀûÀÎ ¼öÁØÀÌ´Ù. ±×·¯³ª ½ÇÁúÀûÀÎ ¿î¿µ´Ü°è °øÁ¶?³Ã°¢¼º´ÉÀ» È®º¸¸¦ À§ÇÑ µ¥ÀÌÅͼ¾ÅÍ¿¡ Ư¼ö¼ºÀÌ ¹Ý¿µµÈ ÀåºñÀÇ ¼º´ÉÆò°¡ ½ÃÇè ¹× ±âÁØÀÌ ¹ÌÈíÇß´Ù. ÇâÈÄ ±¹°¡Ç¥Áذú ¿¬°èÇÏ¿© ¼º´ÉÆò°¡¸¦ À§ÇÑ ½ÃÇèÀýÂ÷¸¦ º¸´Ù ±¸Ã¼È­ÇÔÀ¸·Î½á ±âÃÊÀÚ·á·Î Ȱ¿ëÀÌ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
¿ä¾à2 he purpose of this study was to establish a uniform set of requirements for rating computer room air conditioning/handling (CRAC/H) units for dedicated cooling systems in data centers. With the revolution of Industry 4.0, there are many options for data center infrastructure. The next generation of hyper-scale data centers will no longer be limited to past cooling facilities, but will seamlessly integrate the new cooling systems becoming increasingly optimized and mission-critical. For data centers, there are four basic heat removal methods, with air-cooled, water-cooled, glycol-cooled, and chilled-water system, to cool IT equipment and to transport unwanted heat to the outdoor environment. And air distribution systems, room-based, row-based, and rack-based cooling methods, have been developed to address cooling problems. Data center cooling technology is also advancing and improving and new types of CRAC/H units and cooling procedures are being developed. But performance tests of cooling systems do not fully reflect all types of CRAC/H units, data center cooling mechanisms, and data center thermal guidelines for IT environments. Standards and guidelines for performance testing were analyzed by foreign and domestic cases. In this paper, a suggested performance test condition is included in the CRAC/H classification, test requirements, and rating requirements.
¼ÒÀåó ´ëÇѼ³ºñ°øÇÐȸ
¾ð¾î Çѱ¹¾î
DOI https://doi.org/10.6110/KJACR.2020.32.5.235
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