ÀÚµ¿·Î±×ÀÎ
ÄÁÅÙÃ÷ | contents
ÀϹݰԽÃÆÇ
Q&A°Ô½ÃÆÇ
°øÇÐ S/W
½ºÅ͵ð | study
´ÜÀ§È¯»ê
³óµµ°è»ê
ÀϹÝÈ­ÇÐ
È­°øÀϹÝ
È­°ø½Ç¹«

   
  Pump motor running up time°ú ½ÇÁ¦ rated speed µµ´Þ ½Ã°£
  ±Û¾´ÀÌ : BK   °íÀ¯ID : throne678     ³¯Â¥ : 16-01-19 11:13     Á¶È¸ : 4878    
¾È³çÇϼ¼¿ä. ÇØ¾ç ¿£Áö´Ï¾î¸µ °ü·Ã ÀÏÀ» ÇÏ°í ÀÖ½À´Ï´Ù.
pump °ü·Ã ¹®Á¦Àε¥.. Á¶¾ðÀ» µè°íÀÚ Áú¹®À» ¿Ã¸³´Ï´Ù.
 
pipenet simulation »óÀ¸·Î pump curve Ư¼ºÀ» ÀÔ·ÂÇÏ°í runningÀ» Çϸé pump start ÀÌÈÄ rated speed±îÁö µµ´ÞÇÏ´Â ½Ã°£ÀÌ ¾à 1ºÐÁ¤µµ °É¸³´Ï´Ù. ÀÌ´Â ÀÔ·ÂÇÑ pump curve ¹× Ư¼ºÀ» Åä´ë·Î ÀÚµ¿ÀûÀ¸·Î °è»êµÇ¾îÁ® ³ª¿Â °á°ú¶ó°í ÆǴܵ˴ϴÙ.
 
Ç㳪 ±â°è¼³°è¿¡¼­ Á¦°øÇÑ motor datasheet¸¦ º¸¸é motor running up timeÀº 2ÃÊÀ̳»·Î, Àü·ù°¡ °ø±ÞµÇÀÚ¸¶ÀÚ 2Ãʸ¸¿¡ pump speed°¡ rated speed·Î µµ´ÞÇϴ°ÍÀ¸·Î ÀÌÇØÇÑ´Ù°í ÇÕ´Ï´Ù.
 
ÀϹÝÀûÀ¸·Î motor°¡ Àü·ù¸¦ °ø±Þ¹Þ¾Æ ȸÀüÀ» Çϸé pump impellerµµ °°Àº speed·Î µ¹ °ÍÀ¸·Î ¿¹»óÀº µÇÁö¸¸
½ÇÁ¦ pump¸¦ ±¸µ¿ÇÒ ¶§ pump curve ¹× Ư¼º¿¡ µû¶ó rated speed·Î µµ´ÞÇÏ´Â ½Ã°£ÀÌ ´õµô °ÍÀ¸·Î ¿¹»óµÇ´Âµ¥..¾î¶»°Ô »ý°¢ÇϽôÂÁö¿ä.
 
½ÇÁ¦ ¿îÀü»ó pump ±¸µ¿¿¡ ´ëÇؼ­ Àß ¸ô¶ó Áú¹® ¿Ã·È½À´Ï´Ù.
 
°¨»çÇÕ´Ï´Ù.

½ºÅ×Æijë Stefano   16-01-21 13:52
ÆßÇÁ ¸ðŸÀÇ ¿ë·®°ú ÆßÇÁ¿¡ °É¸®´Â ºÎÇÏ¿¡ µû¶ó °¡¼ÓµÇ´Â ¼Óµµ°¡ ´Þ¶óÁö±â ¶§¹®¿¡ ½Ã½ºÅÛ¿¡ µû¶ó Á¤»ó¼Óµµ¿¡ µµ´ÞÇϴµ¥ °É¸®´Â ½Ã°£Àº Å©°Ô ´Þ¶óÁú °ÍÀÔ´Ï´Ù.

¸¸ÀÏ Ãʱ⠺ÎÇÏ°¡ ¸¹ÀÌ °É¸®´Â »ï»ó À¯µµÀüµ¿±â ¸ðŸÀÎ °æ¿ì¶ó¸é Motor CoilÀÇ °á¼± ¹æ½ÄÀ» ½Ãµ¿½Ã "Star" Á¤»ó¿îÀü½Ã "Delta" ¹æ½ÄÀ¸·Î ±âµ¿Çϱ⵵ ÇÕ´Ï´Ù.

<Âü°í>
Rated Speed(RPM)´Â ºÎÇÏ¿¡ °ü°è¾øÀÌ °ø±ÞÀü¿ø ÁÖÆļö(f), ¸ðŸÀÇ Àü±Ø¼ö(P), ¹× Slip Factor(S)¿¡ÀÇÇØ Á¤ÇØÁý´Ï´Ù.

RPM = 120 * f / P * (1-S/100) ..................(1)

Slip Factor´Â Àü·ùÀÇ µ¿±âȸÀü¼ö(ns)¿Í ½ÇÁ¦ ¿îÀüȸÀü¼ö(nr)¿ÍÀÇ Â÷¸¦ µ¿±âȸÀü¼ö·Î ³ª´«°ªÀÔ´Ï´Ù.

S= (ns-nr)/ns ...........(2)
   

Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)