SurgeÀÇ
±Ô°Ý
±¹³»¿¡´Â Surge¿¡ °üÇÑ ±Ô°ÝÀÌ
¾øÀ¸¹Ç·Î ¿Ü±¹ÀÇ ±Ô°ÝÀ»
°£·«ÀÌ ¼Ò°³ÇÑ´Ù.
*1.
IEC(Intermediate Electrotechnical
Commission. ±¹Á¦Àü±âÇ¥ÁØÀ§¿øȸ)
*. 1.1.
IEC 50(161) : 1990.
±¹Á¦Àü±â±â¼ú¿ë¾î. (IEV)
1)
°úµµÇö»ó : °ü½É ´ë»óÀÇ
½Ã°£ ±Ô¸ð¿¡ ºñ±³ÇÏ¿© ªÀº
½Ã°£ °£°Ý µ¿¾È¿¡ 2°³ÀÇ
¿¬¼ÓÇÏ´Â Á¤»ó »óÅ »çÀÌ¿¡¼
º¯ÈÇÏ´Â Çö»ó ¶Ç´Â ¾çÀÇ ÃÑĪ
¡¸IEV 161-02-01¡¹
2)
»ó½Â½Ã°£ : ´ÜÀÏÆÞ½ºÀÇ
¼ø¼Ä¡°¡ ±ÔÁ¤µÈ ÃÖÀúÄ¡¿¡
óÀ½À¸·Î µµ´ÞÇÏ´Â ¼ø°£ »çÀÌ
½Ã°£ ±¸°£À¸·Î º°µµ·Î
¸í½ÃµÇÁö ¾Ê´ÂÇÑ, ÃÖÀúÄ¡ ¹×
ÃÖ°íÄ¡´Â ÆÞ½º Å©±âÀÇ 10%¿Í 90%·Î
°¢°¢ Á¤ÇÑ´Ù.
3)
Àý¹ÝÄ¡ÀÇ ½Ã°£ T2 : ³«·Ú
ÀÓÆÞ½ºÀÇ Àý¹ÝÄ¡ ½Ã°£ T2´Â
°¡»óÀÇ ÆĶó¸ÞÅͷμ °¡»óÀÇ
¿øÁ¡ 0, °úÀü¾ÐÀÌ ÃÖ´ëÄ¡ÀÇ
¹ÝÀ¸·Î °¨¼Ò µÇ¾îÁö´Â ¼ø°£
»çÀÌÀÇ ½Ã°£±¸¼ºÀ¸·Î Á¤ÀÇ
µÈ´Ù.
*.1.3.
IEC 469-1 : 1987, ÆÞ½º±â¼ú ¹×
ÀåÄ¡
1)
Áö¼Ó±â°£ : ¼¾îÁöÀÇ Å©±â°¡
ÃÖ´ëÄ¡ÀÇ 50%¸¦ ÃÊ°úÇÏ´Â
µ¿¾ÈÀÇ ½Ã°£ÀÌ´Ù.
<*> º»¹® < ¥±-3.2.1. 4.2.2
ÂüÁ¶ >
* 1.4.
IEC 644
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Telecommunication and Electronic
testing
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Appliance, portable equipment
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Fixed installations
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Primary supply Overhead lines,
cable systems, including distribution bus and its overcurrent
protection.
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*.2.
IEEE (Institute of Electrical and
Electronic Engineers.
ÀüÁöÀüÀÚ±â¼úÀÚÇùȸ)
IEEE¿¡¼´Â
TVSS(Transient Voltage Surge
Supperession, Surge Protector, º¸È£±â)ÀÇ
½ÃÇè¿¡ ÇÊ¿äÇÑ ½ÃÇè ÆÄÇü ¹×
ÀýÂ÷¿¡ °üÇÑ ±âÁظ¸ ¼³Á¤ÇÏ°í
ÀÖÀ¸¸ç, ¼º´É¿¡ °üÇؼ´Â
±ÔÁ¤ÇÏ°í ÀÖÁö ¾ÊÁö¸¸ ¸¹Àº
±Ô°ÝµéÀÌ IEEEÀÇ ±Ô°ÝÀ»
¿ø¿ëÇÏ°í ÀÖ´Ù.
*.2.1.
IEEE62.41 : IEEE Recommended
Practice on Surge Voltage in Low-Voltage
AC Power Circuits 600V ÀÌÇÏÀÇ
Àü¿ø¿¡ »ç¿ëÇÏ´Â Surge Protector¿¡
°üÇÑ ±Ç°í¾ÈÀÌ´Ù.
Location
Categories Defined in ANSI/IEEE C62.41 :
À§Ä¡¿¡ °üÇÑ ±ÔÁ¤À¸·Î
"A"¿Í "B"´Â ½Ç³»,
"C"´Â ¿Á¿Ü¿¡ ¼³Ä¡µÇ´Â
Á¦Ç°¿¡ °üÇÏ¿© ±ÔÁ¤ÇÏ°í ÀÖ´Ù.
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Outlets and Long
Branch Circuits
All outlets at more than 10m(30ft) from Category B
All outlets at more than 20m(60ft) from Category C
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Major Feeder and
short Branch Circuits
Distribution panel devices.
Busses and feeder system in indestrial plants.
Heavy appliance outlets with short connections to the service
entrance
Lightning systems in large buidings
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Service drop from
building entrance
Run between meter and distribution panel
Overhead line to detached building.
Lightning systems in large buildings
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*. Qutlet :
¿ì¸®°¡ ÈçÈ÷ »ç¿ëÇÏ´Â 'Äܼ¾Æ®'
¸¦ ¸»ÇÑ´Ù.
IEEE C62.41
- 1991 Location Category Exposure Levels
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.5x100KHz
Ring Wave
Current (KV)
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1.2x50§Á(V),
8x20§Á(A)
Combination Wave
Current (KA)
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*. Low
Exposure : ¹ø°³ È°µ¿ÀÌ ÀûÀº
°÷¿¡ À§Ä¡Çϰųª ÀûÀº Ƚ¼öÀÇ
ºÎÇÏ Switching È°µ¿ÀÌ ÀûÀº °÷¿¡
À§Ä¡ÇÏ°í ÀÖ´Â System
*. Medium
Exposure : ¹ø°³ È°µ¿ÀÌ ¸¹°Å³ª
Áß°£ Á¤µµÀÇ È°µ¿À» ÇÏ´Â °÷¿¡
À§Ä¡Çϰųª Switching Transient°¡
ÇöÀúÈ÷ ¸ÄÀÌ ¹ß»ýÇÏ´Â °÷¿¡
ÀÖ´Â System
*. High
Exposure : Low, Medium Exposure º¸´Ù
¹ø°³ È°µ¿À̳ª Switching Transient
µ¿ÀÌ ½ÉÇÑ °÷
*.2.2.
IEEE62.45 : IEEE Guide on Surge
Testing for Equipment Connected to
Low-Voltage Power Circuits
*.2.3.
IEEE-587 : 1980. 600V ÀÌÇÏÀÇ
ÀúÀü¾Ð Àü¿øÀÇ Ãæ°ÝÀü¾ÐÀ»
±ÔÁ¤ÇÏ°í ÀÖ´Ù.
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º»¹èÀü¹ÝÀ¸·Î ºÎÅÍ 10 cmÀÌ»ó ¶³¾îÁø Áö¿ªÀÎÀÔ¼±À¸·Î ºÎÅÍ
20m ÀÌ»ó ¶³¾îÁø Áö¿ª
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º»¹èÀü¹Ý ÁÖº¯ Áö¿ª ÀϹݺôµù Á¶¸í½Ã¼³ ÁßÀåºñ »ç¿ë Áö¿ª
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ºôµù ¿ÜºÎ Áö¿ª
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*.1.2x50§Á¿Í
8x20§Á Combination Wave : ÁÖ·Î ¼³ºñ
¿ÜºÎ¿¡¼ ¹ß»ýÇÏ´Â ÆÄÇü
(<¿¹> : ³«·Ú, ´ë¿ë·®
¼³ºñÀÇ Switching, Àü·Â »ç°í µî)
*.0.5x100KHz
Ring Wave : ÁÖ·Î ¼³ºñ ³»ºÎ¿¡¼
¹ß»ýÇÏ´Â ÆÄÇü
*.
3.UL(Underwriters Laboratories)
*.3.1.
UL 1449 : Stabdard for Safty /
Transient Voltage Surge Suppressors.
Àü¿ø¿ë Surge Protector¿¡ ´ëÇÏ¿©
IEC.IEEE ±Ô°ÝÀ» ¿ø¿ëÇÏ¿© ¼º´É
½ÇÇèÀ» ½Ç½ÃÇÏ°í, ±× ±Ô°Ý¿¡
ÀûÇÕÇϸé ÀÎÁõÇÑ´Ù. Surge
ProtectorÀÇ Çü½Ä ÀÎÁõÀº ÀÌ
±ÔÁ¤¿¡ ÀÇÇÑ´Ù.
½ÃÇèÀº Let Through Voltage(or
Suppressed Voltage Rating, Clamping
Voltage)¿Í Life Test·Î ³ª´©¾î
½Ç½Ã ÇÑ´Ù.
1)
Let-Through Voltage(or Suppressed
Voltage Rating, Clamping Voltage) :
Surge ÆÄÇüÀ» °¡ÇßÀ» ¶§ 100ms
À̳»¿¡ ³ªÅ¸³ª´Â ÃÖ°íÀÇ peak
Àü¾ÐÀ» ¸»ÇÑ´Ù.
UL 1449
Performance Rating Table
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Impulse Generator
Characteristics
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Suppressed
Voltage
Rating
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Code Connected
& Direct Plug-in Products
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0.33KV, 0.4KV,
0.5KV, 0.6KV,
0.8KV, 1.0KV,
1.2KV, 1.5KV,
2.0KV, 2.5KV,
3.0KV, 4.0KV,
5.0KV, 6.0KV
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Permanently Connected
Products
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Rating
°ªÀº ÃøÁ¤°ªÀ» »ó±â Ç¥¿Í
ºñ±³ÇÏ¿© Å« °ªÀ¸·Î ÇÑ´Ù.
¿¹¸¦ µé¸é 220v¿¡ »ç¿ëµÇ´Â 710vÀÎ
°æ¿ì 0,8KV·Î Ç¥±âµÈ´Ù.
2) Duty
Cycle : Surge Protector ÀÇ ÃÖÀú
¼ö¸íÀ» ½ÃÇèÇÑ´Ù.
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½ÃÇèȽ¼ö ¹× Test Waveform
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Code Connected
& Direct Plug-in Products
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No.1 1.2x50§Á 6000V, 8x20 §Á 500A
No.2~25 1.2x50§Á 6000V, 8x20 §Á 125A
No.26 1.2x50§Á 6000V, 8x20 §Á 500A
ÃÑ 26ȸ Test Waveform Àΰ¡
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1. ùȸ¿Í ¸¶Áö¸·È¸ÀÇ Let Throuth
VoltageÀÇ °ªÀÌ 10%¸¦ ÃÊ°úÇÏÁö ¾ÊÀ» °Í
2. º¸È£±âÀÇ ¼Õ»óÀÌ ¾øÀ» °Í
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Permanently Connected
Products
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No.1 1.2x50§Á 6000V, 8x20 §Á 3000A
No.2~25 1.2x50§Á 6000V, 8x20 §Á 750A
No.26 1.2x50§Á 6000V, 8x20 §Á 3000A
ÃÑ 26ȸ Test Waveform Àΰ¡
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*.3.2
UL497 : Åë½Å, ½ÅÈ£¼±¿ë Surge
Protector¿¡ °üÇÏ¿© ÀÎÁõÇÑ´Ù.
RS-232C, RS-422, RS-485, Modem
2000V(1.2x50§Á)
Sigle impuse
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Standard for Safty
/ Secondary Protectors for Communication Circuits
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Standard for Safty
/ Protectors for Data Communication and Fire Circuits
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*.4.
±âŸ
*.ANSI(American
National Standards institute)
*.CCITT(Consulative
Committee, International Telegraph &
Telephone.
±¹Á¦Àü½ÅÀüÈ ÀÚ¹®À§¿øȸ).
Impulse :
10/700§Á (»ó½Â½Ã°£ : 10~ 90% ±îÁö
10§Á¡¾ 30%
ÇÏ°½Ã°£ : 50% ±îÁö 700§Á¡¾ 20%).
< 723-*31 ÂüÁ¶>
*. ITU
(International Telecommunications Union.
±¹Á¦Àü±âÅë½Å¿¬ÇÕ)
*.MIL(Military Specification and
Standards. ¹Ì±¹±º»ç±Ô°Ý&Ç¥ÁØ)
*.NEC(National Electric Code) : NEC
provides safety design and installation
guides(USA)
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Surge Arresters
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Computer/Data
processing equipment
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Communication
circuits
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*.NEMA(National
Electrical Manufactures and
Associations)
°Á¦°¡ ¾Æ´Ñ Âü°í ±Ô°ÝÀ¸·Î
IEEE, UL µî°ú À¯»çÇÏ´Ù.
-NEMA LS-1 : Low Voltage Surge
ProtectiveDevices. < Àü¿ø >
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