Surge Àü¹®¾÷ü ºñ»ç´Þ±âÀüÀÔ´Ï´Ù.
Ȩ > ÀÚ·á½Ç > ±Ô°Ý
Surge Protection
FAQ
±Ô°Ý
Âü°í¹®Çå
 

 SurgeÀÇ ±Ô°Ý

 ºñ»ç´Þ

 2005-10-24 ¿ÀÀü 1:13:00  13203

 

 

 

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

Category

Voltage(1.2 ¡¿ 50§Á)

Application

¥°

500V

Telecommunication and Electronic testing

¥±

2.5KV

Appliance, portable equipment

¥²

4kv

Fixed installations

¥³

6kv

Primary supply Overhead lines, cable systems, including distribution bus and its overcurrent protection.


*.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.

Category

Location

A

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

B

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

C

Service drop from building entrance
Run between meter and distribution panel
Overhead line to detached building.
Lightning systems in large buildings

*. Qutlet : ¿ì¸®°¡ ÈçÈ÷ »ç¿ëÇÏ´Â 'Äܼ¾Æ®' ¸¦ ¸»ÇÑ´Ù.

IEEE C62.41 - 1991 Location Category Exposure Levels

Category

Level

Voltage(KV)

.5x100KHz
Ring Wave
Current (KV)

1.2x50§Á(V), 8x20§Á(A)
Combination Wave
Current (KA)

A1

Low

2

0.07

N/A

A2

Medium

4

0.13

N/A

A3

High

6

0.20

N/A

B1

Low

2

0.17

1

B2

Medium

4

0.33

2

B3

High

6

0.50

3

C1

Low

6

N/A

3

C2

Medium

10

N/A

5

C3

High

20

N/A

10


*. 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.

Location
Category

Waveform

Open
Circuit
Voltage

Short
Circuit
Voltage

Coments

A

0.5 §Á - 100 KHz Ring

6000V

200A

º»¹èÀü¹ÝÀ¸·Î ºÎÅÍ 10 cmÀÌ»ó ¶³¾îÁø Áö¿ªÀÎÀÔ¼±À¸·Î ºÎÅÍ 20m ÀÌ»ó ¶³¾îÁø Áö¿ª

B

0.5 §Á - 100 KHz Ring

6000V

500A

º»¹èÀü¹Ý ÁÖº¯ Áö¿ª ÀϹݺôµù Á¶¸í½Ã¼³ ÁßÀåºñ »ç¿ë Áö¿ª

1.2x50 §Á Impulse

6000V

-

8x20 §Á Impulse

-

3000A

C

-

-

-

ºôµù ¿ÜºÎ Áö¿ª


*.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

Category

Impulse Generator
Characteristics

Suppressed
Voltage
Rating

Wave form

Maximum Surge

C1

Code Connected
& Direct Plug-in Products

1.2x50§Á
8x20§Á

6kv
500A

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

C2

Permanently Connected
Products

1.2x50§Á
8x20 §Á

6KV
3000A


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.

Category

½ÃÇèȽ¼ö ¹× Test Waveform

°Ë»çÇ׸ñ

C1

Code Connected
& Direct Plug-in Products

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¡

1. ùȸ¿Í ¸¶Áö¸·È¸ÀÇ Let Throuth VoltageÀÇ °ªÀÌ 10%¸¦ ÃÊ°úÇÏÁö ¾ÊÀ» °Í
2. º¸È£±âÀÇ ¼Õ»óÀÌ ¾øÀ» °Í

C2

Permanently Connected
Products

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¡


*.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

A

Standard for Safty / Secondary Protectors for Communication Circuits

B

Standard for Safty / Protectors for Data Communication and Fire Circuits


*.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)

Art280

Surge Arresters

Art645

Computer/Data processing equipment

Art800

Communication circuits


*.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 >