{"id":2231,"date":"2025-10-31T09:43:00","date_gmt":"2025-10-31T01:43:00","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&p=2231"},"modified":"2025-11-03T16:21:24","modified_gmt":"2025-11-03T08:21:24","slug":"types-of-industrial-surge-protection-devices-and-graded-protection-strategies","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/tr\/blog\/types-of-industrial-surge-protection-devices-and-graded-protection-strategies\/","title":{"rendered":"End\u00fcstriyel A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131n\u0131n T\u00fcrleri ve Kademeli Koruma Stratejileri"},"content":{"rendered":"
Bu makale, t\u00fcrleri, s\u0131n\u0131fland\u0131rma y\u00f6ntemlerini ve etkili bir kademeli koruma sisteminin nas\u0131l olu\u015fturulaca\u011f\u0131n\u0131 sistematik olarak tan\u0131tacakt\u0131r. end\u00fcstriyel a\u015f\u0131r\u0131 gerilim koruyucular\u0131 (SPD)<\/strong><\/a>.<\/div>\r\n \r\n

Teknik Prensip ve De\u015farj Kapasitesine G\u00f6re S\u0131n\u0131fland\u0131rma<\/h2>\r\n
Bu, SPD'nin uygulama senaryolar\u0131n\u0131 ve koruma seviyelerini do\u011frudan belirleyen temel s\u0131n\u0131fland\u0131rma y\u00f6ntemidir ve genellikle IEC 61643 gibi uluslararas\u0131 standartlara dayan\u0131r.<\/div>\r\n\"BR-25M<\/a>\r\n

Tip 1 (Tip 1\/T1): Enerji De\u015farj\u0131<\/h3>\r\n
Teknik Prensip: <\/strong>Tip 1 a\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131<\/a> tipik olarak temel bile\u015feni olarak bir k\u0131v\u0131lc\u0131m aral\u0131\u011f\u0131 kullan\u0131r. Ba\u015fl\u0131ca \u00f6zelli\u011fi, y\u00fcksek dalgalanma ak\u0131m\u0131n\u0131 bo\u015faltma kabiliyetidir.<\/div>\r\n
De\u015farj Yetene\u011fi: <\/strong>Do\u011frudan y\u0131ld\u0131r\u0131m \u00e7arpmalar\u0131na veya k\u0131smi y\u0131ld\u0131r\u0131m ak\u0131m\u0131na dayanma ve bunlar\u0131 serbest b\u0131rakma kapasitesi (10\/350 \u00b5s dalga bi\u00e7imini sim\u00fcle etme); test ak\u0131mlar\u0131 tipik olarak onlarca kiloampere ula\u015fabilir.<\/div>\r\n
Uygulama Senaryolar\u0131: <\/strong>Primarily installed at the entrance of the building's main distribution cabinet (MDB) as a primary protection device to release lightning current from external lines (e.g., power lines).<\/div>\r\n \r\n\r\n\"BR-20<\/a>\r\n

Tip 2 (Tip 2\/T2): Gerilim S\u0131n\u0131rlay\u0131c\u0131<\/h3>\r\n
Teknik Prensip: \u00c7ekirdek bile\u015fen bir varist\u00f6rd\u00fcr (MOV). Normal voltaj alt\u0131nda MOV y\u00fcksek diren\u00e7 g\u00f6sterir; a\u015f\u0131r\u0131 gerilim meydana geldi\u011finde direnci keskin bir \u015fekilde d\u00fc\u015fer, ak\u0131m\u0131 atlar ve voltaj\u0131 g\u00fcvenli bir seviyeye s\u0131k\u0131\u015ft\u0131r\u0131r.<\/div>\r\n
De\u015farj Kapasitesi: Tip 2 a\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131<\/a> Tipik olarak birka\u00e7 bin ila onbinlerce amper aras\u0131nda de\u011fi\u015fen bir de\u015farj kapasitesiyle, ind\u00fcklenen y\u0131ld\u0131r\u0131m \u00e7arpmalar\u0131n\u0131 ve operasyonel a\u015f\u0131r\u0131 gerilimleri bo\u015faltmak i\u00e7in kullan\u0131l\u0131r (8\/20 \u00b5s dalga bi\u00e7imini sim\u00fcle eder).<\/div>\r\n
Uygulama Senaryolar\u0131: Da\u011f\u0131t\u0131m kabinindeki (da\u011f\u0131t\u0131m paneli, SDB) ana da\u011f\u0131t\u0131m kabininin ak\u0131\u015f a\u015fa\u011f\u0131s\u0131na veya \u00f6nemli ekipmanlar\u0131n kontrol kabininin \u00f6n\u00fcne monte edilir ve \u00e7o\u011fu elektrikli ekipman i\u00e7in koruma sa\u011flamak \u00fczere ikincil koruma g\u00f6revi g\u00f6r\u00fcr.<\/div>\r\n\"BR-230<\/a>\r\n

Tip 3 (Tip 3\/T3): Geli\u015fmi\u015f Koruma<\/h3>\r\n
Teknik Prensip: Tipik olarak daha ince MOV'lar, gaz de\u015farj t\u00fcpleri veya TVS diyotlar\u0131 kullan\u0131r, bu da son derece h\u0131zl\u0131 yan\u0131t ve daha d\u00fc\u015f\u00fck art\u0131k voltaj (koruma seviyesi) sa\u011flar.<\/div>\r\n
De\u015farj Kapasitesi: De\u015farj kapasitesi nispeten k\u00fc\u00e7\u00fckt\u00fcr ve \u00f6ncelikle art\u0131k a\u015f\u0131r\u0131 gerilimin daha da bast\u0131r\u0131lmas\u0131 i\u00e7in kullan\u0131l\u0131r.<\/div>\r\n
Uygulama Senaryolar\u0131: Tip 3 a\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131<\/a> installed very close to the protected equipment, such as in the equipment's socket or socket board, for fine protection. It usually needs to be used in conjunction with a Type 2 SPD and cannot be installed alone.<\/div>\r\n \r\n\r\n\"BR-12.5M<\/a>\r\n

Kombine H\u0131z (Tip 1+2): Entegre \u00c7\u00f6z\u00fcm<\/h3>\r\n
Teknik Prensip: Bu cihaz, Tip 1 k\u0131v\u0131lc\u0131m aral\u0131\u011f\u0131n\u0131 ve Tip 2 varist\u00f6r\u00fc entegre ederek y\u00fcksek de\u015farj kapasitesi ve d\u00fc\u015f\u00fck koruma seviyesi avantajlar\u0131n\u0131 sunar.<\/div>\r\n
Uygulama Senaryolar\u0131: Kombine SPD (Tip 1+2) a\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131<\/a> S\u0131n\u0131rl\u0131 alana sahip veya basitle\u015ftirilmi\u015f tasar\u0131m gerektiren uygulamalar i\u00e7in uygundur. Bina giri\u015findeki ana da\u011f\u0131t\u0131m kabinine do\u011frudan monte edilebilir ve birinci ve ikinci seviye korumay\u0131 bir arada sa\u011flar.<\/div>\r\n \r\n

End\u00fcstriyel A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131n\u0131n Geni\u015fletilmi\u015f S\u0131n\u0131fland\u0131rmas\u0131<\/h2>\r\n
End\u00fcstriyel SPD'ler, temel teknoloji t\u00fcrlerinin yan\u0131 s\u0131ra ba\u015fka boyutlara g\u00f6re de s\u0131n\u0131fland\u0131r\u0131labilir.<\/div>\r\n

G\u00fc\u00e7 Kayna\u011f\u0131 T\u00fcr\u00fcne G\u00f6re S\u0131n\u0131fland\u0131rma<\/h3>\r\n
AC g\u00fc\u00e7 kayna\u011f\u0131 SPD: 380V\/220V end\u00fcstriyel g\u00fc\u00e7 \u015febekeleri gibi AC g\u00fc\u00e7 kayna\u011f\u0131 sistemlerini korumak i\u00e7in kullan\u0131l\u0131r.<\/div>\r\n
DC g\u00fc\u00e7 kayna\u011f\u0131 SPD: Fotovoltaik g\u00fc\u00e7 \u00fcretim sistemleri, DC motor s\u00fcr\u00fcc\u00fcleri ve ileti\u015fim baz istasyonu g\u00fc\u00e7 kaynaklar\u0131 gibi DC g\u00fc\u00e7 kayna\u011f\u0131 sistemlerini korumak i\u00e7in kullan\u0131l\u0131r.<\/div>\r\n \r\n

AC G\u00fc\u00e7 SPD'si ve Dc G\u00fc\u00e7 SPD'si<\/h4>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
\u00d6zellik<\/th>\r\nAC G\u00fc\u00e7 SPD'si<\/th>\r\nDC G\u00fc\u00e7 SPD'si<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Birincil Ba\u015fvuru<\/strong><\/td>\r\nEvlerde, ofislerde ve end\u00fcstriyel tesislerde ana elektrik panolar\u0131, alt paneller, bran\u015fman devreleri.<\/td>\r\nSolar PV dizileri, ak\u00fc depolama sistemleri, EV \u015farj istasyonlar\u0131, telekom\u00fcnikasyon, otomotiv, denizcilik ve toplu ta\u015f\u0131ma.<\/td>\r\n<\/tr>\r\n
Sistem Gerilimi<\/strong><\/td>\r\nStandart AC voltajlar\u0131n\u0131 takip eder (\u00f6rn. 120V, 230V, 400V, 480V).<\/td>\r\nOlduk\u00e7a de\u011fi\u015fkendir (\u00f6rne\u011fin, piller i\u00e7in 12V, 24V, 48V; g\u00fcne\u015f enerjisi dizileri i\u00e7in 600V ila 1500V).<\/td>\r\n<\/tr>\r\n
Mevcut Davran\u0131\u015f<\/strong><\/td>\r\nAlternatif ak\u0131m.<\/strong>\u00a0Gerilim saniyede 100 veya 120 kez s\u0131f\u0131r\u0131 ge\u00e7er. Bu yard\u0131mc\u0131 olur\u00a0elektrik ark\u0131n\u0131 s\u00f6nd\u00fcrmek<\/strong>.<\/td>\r\nDo\u011fru Ak\u0131m.<\/strong>\u00a0Gerilim sabittir ve s\u0131f\u0131r\u0131 ge\u00e7mez. Bu yapar\u00a0\u00e7ok daha s\u00fcrekli ve tehlikeli bir \u015fekilde yay\u0131l\u0131yor<\/strong>.<\/td>\r\n<\/tr>\r\n
Temel Tasar\u0131m M\u00fccadelesi<\/strong><\/td>\r\nGe\u00e7ici a\u015f\u0131r\u0131 gerilimlerin y\u00f6netimi. AC'nin s\u0131f\u0131r ge\u00e7i\u015fi do\u011fal olarak takip ak\u0131m\u0131n\u0131n kesilmesine yard\u0131mc\u0131 olur.<\/td>\r\nArk Bast\u0131rma.<\/strong>\u00a0The primary challenge is to safely quench the \"follow current\" from the DC source after a surge event without the SPD catching fire.<\/td>\r\n<\/tr>\r\n
Dahili Teknoloji ve Bile\u015fenler<\/strong><\/td>\r\n\u00d6ncelikle kullan\u0131r\u00a0Metal Oksit Varist\u00f6rler (MOV'ler)<\/strong>\u00a0ve bazen Gaz De\u015farj T\u00fcpleri (GDT'ler). Tasar\u0131mlar nispeten basittir.<\/td>\r\nDaha sa\u011flam kullan\u0131r\u00a0MOV'lar<\/strong>\u00a0\u00f6zel ark s\u00f6nd\u00fcrme odalar\u0131\/doldurucular\u0131 ile. Daha fazla ba\u011f\u0131ml\u0131l\u0131k\u00a0GDT'ler<\/strong>\u00a0S\u00fcrekli DC voltaj\u0131n\u0131 s\u0131z\u0131nt\u0131 olmadan g\u00fcvenli bir \u015fekilde idare edebilen DC i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015ft\u0131r.<\/td>\r\n<\/tr>\r\n
Gerilim De\u011feri (Uc)<\/strong><\/td>\r\nStandart AC RMS gerilimlerinde (\u00f6rn. 275V, 320V, 440V) s\u00fcrekli \u00e7al\u0131\u015fma i\u00e7in derecelendirilmi\u015ftir.<\/td>\r\nBelirli DC sistem voltaj\u0131nda \u200b\u200b(\u00f6rn. 1000V DC, 1500V DC) s\u00fcrekli \u00e7al\u0131\u015fma i\u00e7in derecelendirilmi\u015ftir.<\/td>\r\n<\/tr>\r\n
Ba\u011flant\u0131 Kesilmesi ve G\u00fcvenlik<\/strong><\/td>\r\n\u00c7o\u011fu zaman, bir\u00e7ok dalgalanmadan dolay\u0131 performans\u0131 d\u00fc\u015fen bir MOV'un g\u00fcvenli bir \u015fekilde ar\u0131zalanmas\u0131 i\u00e7in termal ay\u0131r\u0131c\u0131lar i\u00e7erir.<\/td>\r\nKritik ve daha sa\u011flam.<\/strong>\u00a0S\u00fcrekli bir DC ark\u0131 b\u00fcy\u00fck bir yang\u0131n tehlikesi oldu\u011fundan, SPD'nin DC kayna\u011f\u0131ndan fiziksel olarak ar\u0131zaya kar\u015f\u0131 g\u00fcvenli bir \u015fekilde ba\u011flant\u0131s\u0131n\u0131 kesmek i\u00e7in geli\u015fmi\u015f ar\u0131za mekanizmalar\u0131 gerektirir.<\/td>\r\n<\/tr>\r\n
Sertifikasyon Standartlar\u0131<\/strong><\/td>\r\nUL 1449 (Kuzey Amerika), IEC 61643-11 (Uluslararas\u0131).<\/td>\r\nUL 1449 (belirli DC uygulamalar\u0131 i\u00e7in), IEC 61643-11, UL 497B ve IEC 62548 gibi PV sistemleri i\u00e7in \u00f6zel standartlar.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n \r\n

Sinyal Tipine G\u00f6re S\u0131n\u0131fland\u0131rma<\/h3>\r\n
End\u00fcstriyel ortamlar yaln\u0131zca enerji hatlar\u0131n\u0131 de\u011fil ayn\u0131 zamanda \u00e7ok say\u0131da sinyal ve kontrol hatt\u0131n\u0131 da i\u00e7erir. Sinyal SPD'leri a\u015fa\u011f\u0131daki gibi al\u00e7ak gerilim hatlar\u0131n\u0131 korumak i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015ft\u0131r:<\/div>\r\n
\u25cf A\u011f\/Ethernet SPD'si<\/div>\r\n
\u25cf RS-232\/485\/422 Seri Ba\u011flant\u0131 Noktas\u0131 SPD<\/div>\r\n
\u25cf Analog\/Dijital G\/\u00c7 SPD<\/div>\r\n
\u25cf Koaksiyel Kablo SPD (video g\u00f6zetimi, antenler vb. i\u00e7in kullan\u0131l\u0131r)<\/div>\r\n \r\n

Montaj Yap\u0131s\u0131na G\u00f6re S\u0131n\u0131fland\u0131rma<\/h3>\r\n

Tak\u0131labilir A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131<\/h4>\r\n
Bir adapt\u00f6re benziyor ve do\u011frudan duvar prizine tak\u0131l\u0131yor. Esas olarak tek bir cihaz\u0131 korumak i\u00e7in kullan\u0131l\u0131r ve Tip 3'e aittir.<\/div>\r\n \r\n

Mod\u00fcler A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131<\/h4>\r\n
Standart mod\u00fcler tasar\u0131m, t\u0131pk\u0131 bir devre kesici gibi da\u011f\u0131t\u0131m kabinindeki DIN ray\u0131na monte edilmesine olanak tan\u0131r. Bu, end\u00fcstriyel uygulamalarda kurulumu, de\u011fi\u015ftirmeyi ve durum izlemeyi (uzaktan sinyal kontaklar\u0131 arac\u0131l\u0131\u011f\u0131yla) kolayla\u015ft\u0131ran en yayg\u0131n bi\u00e7imdir. Tip 1 ve Tip 2 \u00e7o\u011funlukla bu t\u00fcrdendir.<\/div>\r\n \r\n

Kutu Tipi A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131<\/h4>\r\n
SPD mod\u00fclleri, sigortalar veya devre kesiciler, genellikle d\u0131\u015f mekan veya saha ekipman kutular\u0131nda kullan\u0131lan tek bir koruyucu muhafazaya entegre edilmi\u015ftir.<\/div>\r\n \r\n

Kademeli (Kademeli) Koruma Sistemi Nas\u0131l Olu\u015fturulur?<\/h2>\r\n
Tek bir SPD m\u00fckemmel koruma sa\u011flayamaz, bu nedenle kademeli (veya kademeli) bir koruma stratejisi gereklidir.<\/div>\r\n

Kademeli Koruma Prensibi<\/h4>\r\n
The core concept of graded protection is \"step-by-step discharge and layer-by-layer clamping.\"<\/div>\r\n
Seviye 1 (Tip 1\/Tip 1+2): Ana gelen hatta, b\u00fcy\u00fck dalgalanma enerjisinin b\u00fcy\u00fck \u00e7o\u011funlu\u011funu emer ve bo\u015falt\u0131r, birka\u00e7 kilovoltluk a\u015f\u0131r\u0131 gerilimleri daha d\u00fc\u015f\u00fck bir seviyeye (\u00f6rn. 1500-2500V) s\u0131n\u0131rlar.<\/div>\r\n
Seviye 2 (Tip 2): Da\u011f\u0131t\u0131m panelinde Seviye 1'e n\u00fcfuz eden art\u0131k dalgalanmalar\u0131 da bo\u015falt\u0131r ve voltaj\u0131 daha g\u00fcvenli bir seviyeye (\u00f6rn. 1000-1500V) kenetler.<\/div>\r\n
Seviye 3 (Tip 3): Ekipman\u0131n \u00f6n ucunda, k\u00fc\u00e7\u00fck art\u0131k dalgalanmalar\u0131n nihai olarak bast\u0131r\u0131lmas\u0131n\u0131 sa\u011flayarak m\u00fcmk\u00fcn olan en d\u00fc\u015f\u00fck art\u0131k gerilimi (tipik olarak 1000V'un alt\u0131nda) sunarak hassas ekipman ba\u011flant\u0131 noktalar\u0131n\u0131n mutlak g\u00fcvenli\u011fini sa\u011flar.<\/div>\r\n
Enerji koordinasyonu i\u00e7in hat empedans\u0131n\u0131 kullanmak \u00fczere her SPD seviyesi aras\u0131nda belirli bir hat mesafesinin (genellikle 10 metreden fazla olmas\u0131 \u00f6nerilir) korunmas\u0131 gerekir. Mesafe yetersizse, her bir SPD seviyesinin koordineli bir s\u0131rayla \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flamak i\u00e7in ay\u0131rma bile\u015fenleri (\u00f6zel ay\u0131rma ind\u00fckt\u00f6rleri veya uygun sigortalar\/devre kesiciler gibi) gerekir.<\/div>\r\n \r\n

Tipik End\u00fcstriyel Senaryolarda Spd Yap\u0131land\u0131rma \u00d6rne\u011fi<\/h4>\r\n
Senaryo: Otomatik \u00dcretim Hatt\u0131 Kontrol Merkezi<\/div>\r\n
Ana Da\u011f\u0131t\u0131m Odas\u0131 (MDB): T\u00fcm binan\u0131n g\u00fc\u00e7 giri\u015fini korumak i\u00e7in Tip 1+2 SPD'leri tak\u0131n.<\/div>\r\n
\u00dcretim Hatt\u0131 Kontrol Kabini (SDB): PLC'ler ve frekans d\u00f6n\u00fc\u015ft\u00fcr\u00fcc\u00fcler gibi \u00e7ekirdek kontrol \u00fcnitelerine giden g\u00fc\u00e7 kayna\u011f\u0131n\u0131 korumak i\u00e7in Tip 2 SPD'leri tak\u0131n.<\/div>\r\n
PLC G\/\u00c7 Mod\u00fcl\u00fc \u00d6n: Sinyal SPD'lerini kontrol sinyal hatlar\u0131na tak\u0131n (\u00f6rn. 24V DC).<\/div>\r\n
M\u00fchendis \u0130\u015f \u0130stasyonu: Bilgisayar\u0131 ve programc\u0131y\u0131 korumak i\u00e7in soketlerde Tip 3 SPD soket kartlar\u0131n\u0131 kullan\u0131n.<\/div>\r\n
At\u00f6lye A\u011f Anahtar\u0131: A\u011f ba\u011flant\u0131 noktalar\u0131na Ethernet SPD'leri y\u00fckleyin.<\/div>\r\n \r\n

SSS<\/h2>\r\n
Saha Ko\u015fullar\u0131na G\u00f6re Uygun SPD Tipi Nas\u0131l Se\u00e7ilir?<\/strong><\/div>\r\n
Ad\u0131m 1: Kurulum yerini belirleyin. Ana giri\u015f hatt\u0131 kabini i\u00e7in T1 veya T1+2'yi se\u00e7in; Da\u011f\u0131t\u0131m kabini i\u00e7in T2; ve ekipman\u0131n \u00f6n ucu i\u00e7in T3.<\/div>\r\n
Ad\u0131m 2: Temel parametreleri kontrol edin. Maksimum s\u00fcrekli \u00e7al\u0131\u015fma voltaj\u0131 (Uc), yerel elektrik \u015febekesinde olu\u015fabilecek en y\u00fcksek voltajdan b\u00fcy\u00fck olmal\u0131d\u0131r; nominal de\u015farj ak\u0131m\u0131 (In) ve maksimum de\u015farj ak\u0131m\u0131 (Imaks), kurulum noktas\u0131n\u0131n y\u0131ld\u0131r\u0131mdan korunma seviyesi (LPL) gereksinimlerini kar\u015f\u0131lamal\u0131d\u0131r; gerilim koruma seviyesi (Up), korunan ekipman\u0131n dayan\u0131m gerilim de\u011ferinden daha d\u00fc\u015f\u00fck olmal\u0131d\u0131r.<\/div>\r\n
Ad\u0131m 3: G\u00fc\u00e7 kayna\u011f\u0131 sistemi (AC\/DC), kurulum y\u00f6ntemi (mod\u00fcler\/kutu tipi), durum g\u00f6stergesi ve uzaktan sinyal i\u015flevi gereksinimleri gibi di\u011fer fakt\u00f6rleri g\u00f6z \u00f6n\u00fcnde bulundurun.<\/div>\r\n \r\n
End\u00fcstriyel SPD'nin G\u00fcnl\u00fck Denetimi ve Bak\u0131m\u0131<\/strong><\/div>\r\n
D\u00fczenli g\u00f6rsel inceleme: SPD'de \u00e7atlak veya yan\u0131k izi gibi fiziksel hasar olup olmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/div>\r\n
Durum g\u00f6stergesini g\u00f6zlemleyin: \u00c7o\u011fu SPD'de renk kodlu bir pencere (ye\u015fil\/k\u0131rm\u0131z\u0131) g\u00f6stergesi bulunur. Ye\u015fil normal \u00e7al\u0131\u015fmay\u0131, k\u0131rm\u0131z\u0131 ise derhal de\u011fi\u015ftirilmesi gereken ar\u0131zay\u0131 belirtir.<\/div>\r\n
Bak\u0131m g\u00fcnl\u00fc\u011f\u00fc tutun: Kurulum tarihini, ilk inceleme tarihini ve sonraki inceleme ayr\u0131nt\u0131lar\u0131n\u0131 kaydedin. Normal durumdayken bile SPD'lerin s\u0131n\u0131rl\u0131 bir \u00f6mr\u00fc vard\u0131r; bunlar\u0131n periyodik olarak (\u00f6rne\u011fin her 3-5 y\u0131lda bir) veya b\u00fcy\u00fck bir dalgalanma olay\u0131ndan sonra incelenmesi veya de\u011fi\u015ftirilmesi \u00f6nerilir.<\/div>\r\n
Profesyonel testler: Varist\u00f6rdeki ka\u00e7ak ak\u0131m\u0131 \u00f6l\u00e7mek ve performans d\u00fc\u015f\u00fc\u015f\u00fcn\u00fc de\u011ferlendirmek i\u00e7in \u00f6zel aletler kullan\u0131n.<\/div>\r\n \r\n
A\u015f\u0131r\u0131 Gerilim Koruma Cihazlar\u0131 Devre Kesicilerin A\u00e7\u0131lmas\u0131n\u0131 \u00d6nleyebilir mi?<\/strong><\/div>\r\n
SPD'nin birincil i\u015flevi, devre kesicilerin a\u00e7\u0131lmas\u0131n\u0131 \u00f6nlemek de\u011fil, ekipman\u0131n a\u015f\u0131r\u0131 voltaj nedeniyle hasar g\u00f6rmesini \u00f6nlemektir.<\/div>\r\n \r\n

\u00c7\u00f6z\u00fcm<\/h2>\r\n
Farkl\u0131 tipteki end\u00fcstriyel a\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131n\u0131n (SPD) (t1, t2, t3) teknik prensiplerini ve uygulama senaryolar\u0131n\u0131 anlayarak ve bunlar\u0131 kapsaml\u0131 g\u00fc\u00e7 ve sinyal hatlar\u0131 korumas\u0131yla birle\u015ftirerek etkili bir hiyerar\u015fik (ad\u0131m ad\u0131m) koruma sistemi olu\u015fturabiliriz.<\/div>","protected":false},"featured_media":1601,"parent":0,"menu_order":107,"template":"","meta":{"_acf_changed":false},"blog_category":[9],"class_list":["post-2231","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-industry-news"],"acf":{"des":"This article provides a detailed analysis of the Type 1\/2\/3 industrial surge protection devices (SPD) and their technical principles, explains how to construct an effective hierarchical (step-by-step) protection strategy to ensure the safety of industrial equipment, and answers common selection and maintenance questions.","txt":"
This article will systematically introduce the types, classification methods, and how to build an effective graded protection system for industrial surge protectors (SPD)<\/strong><\/a>.<\/div>\r\n \r\n

Classification By Technical Principle And Discharge Capacity<\/h2>\r\n
This is the core classification method for SPD, which directly determines their application scenarios and protection levels, and is usually based on international standards such as IEC 61643.<\/div>\r\n\"BR-25M<\/a>\r\n

Type 1 (Type 1\/T1): Energy Discharge<\/h3>\r\n
Technical Principle: <\/strong>Type 1 surge protection devices<\/a> typically uses a spark gap as its core component. Its main characteristic is its high surge current discharge capability.<\/div>\r\n
Discharge Capability: <\/strong>Capable of withstanding and releasing direct lightning strikes or partial lightning current (simulating a 10\/350\u00b5s waveform); test currents can typically reach tens of kiloamperes.<\/div>\r\n
Application Scenarios: <\/strong>Primarily installed at the entrance of the building's main distribution cabinet (MDB) as a primary protection device to release lightning current from external lines (e.g., power lines).<\/div>\r\n \r\n\r\n\"BR-20<\/a>\r\n

Type 2 (Type 2\/T2): Voltage Limiter<\/h3>\r\n
Technical Principle: The core component is a varistor (MOV). Under normal voltage, the MOV exhibits high resistance; when a surge overvoltage occurs, its resistance drops sharply, bypassing the current and clamping the voltage to a safe level.<\/div>\r\n
Discharge Capacity: Type 2 surge protection devices<\/a> Used to discharge induced lightning strikes and operational overvoltages (simulating 8\/20\u00b5s waveform), with a discharge capacity typically ranging from several thousand to tens of thousands of amperes.<\/div>\r\n
Application Scenarios: Installed downstream of the main distribution cabinet in the distribution cabinet (distribution panel, SDB) or before the control cabinet of important equipment, serving as secondary protection to provide protection for most electrical equipment.<\/div>\r\n\"BR-230<\/a>\r\n

Type 3 (Type 3\/T3): Advanced Protection<\/h3>\r\n
Technical Principle: Typically employs finer MOVs, gas discharge tubes, or TVS diodes, resulting in extremely fast response and lower residual voltage (protection level).<\/div>\r\n
Discharge Capacity: The discharge capacity is relatively small, primarily used to further suppress residual surge voltage.<\/div>\r\n
Application Scenarios: Type 3 surge protection devices<\/a> installed very close to the protected equipment, such as in the equipment's socket or socket board, for fine protection. It usually needs to be used in conjunction with a Type 2 SPD and cannot be installed alone.<\/div>\r\n \r\n\r\n\"BR-12.5M<\/a>\r\n

Combined Spd (Type 1+2): Integrated Solution<\/h3>\r\n
Technical Principle: This device integrates a Type 1 spark gap and a Type 2 varistor, offering the advantages of high discharge capability and low protection level.<\/div>\r\n
Application Scenarios: Combined SPD (Type 1+2) surge protection devices<\/a> suitable for applications with limited space or requiring simplified design. It can be directly installed in the main distribution cabinet at the building entrance, providing combined first- and second-level protection.<\/div>\r\n \r\n

Extended Classification Of Industrial Surge Protection Devices<\/h2>\r\n
In addition to core technology types, industrial SPDs can also be classified according to other dimensions.<\/div>\r\n

Classification By Power Source Type<\/h3>\r\n
AC power supply SPD: Used to protect AC power supply systems, such as 380V\/220V industrial power grids.<\/div>\r\n
DC power supply SPD: Used to protect DC power supply systems, such as photovoltaic power generation systems, DC motor drives, and communication base station power supplies.<\/div>\r\n \r\n

AC Power SPD VS Dc Power SPD<\/h4>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Feature<\/th>\r\nAC Power SPD<\/th>\r\nDC Power SPD<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Primary Application<\/strong><\/td>\r\nMain electrical panels, sub-panels, branch circuits in homes, offices, and industrial facilities.<\/td>\r\nSolar PV arrays, battery storage systems, EV charging stations, telecommunications, automotive, marine, and public transport.<\/td>\r\n<\/tr>\r\n
System Voltage<\/strong><\/td>\r\nFollows standard AC voltages (e.g., 120V, 230V, 400V, 480V).<\/td>\r\nHighly variable (e.g., 12V, 24V, 48V for batteries; 600V to 1500V for solar strings).<\/td>\r\n<\/tr>\r\n
Current Behavior<\/strong><\/td>\r\nAlternating Current.<\/strong>\u00a0The voltage crosses zero 100 or 120 times per second. This helps\u00a0extinguish an electrical arc<\/strong>.<\/td>\r\nDirect Current.<\/strong>\u00a0The voltage is constant and does not cross zero. This makes\u00a0arcing much more sustained and dangerous<\/strong>.<\/td>\r\n<\/tr>\r\n
Key Design Challenge<\/strong><\/td>\r\nManaging transient overvoltages. The zero-crossing of AC naturally helps interrupt follow current.<\/td>\r\nArc Suppression.<\/strong>\u00a0The primary challenge is to safely quench the \"follow current\" from the DC source after a surge event without the SPD catching fire.<\/td>\r\n<\/tr>\r\n
Internal Technology & Components<\/strong><\/td>\r\nPrimarily uses\u00a0Metal Oxide Varistors (MOVs)<\/strong>\u00a0and sometimes Gas Discharge Tubes (GDTs). Designs are relatively straightforward.<\/td>\r\nUses more robust\u00a0MOVs<\/strong>\u00a0with special arc-quenching chambers\/fillers. Heavier reliance on\u00a0GDTs<\/strong>\u00a0specifically designed for DC, which can safely handle the continuous DC voltage without leaking.<\/td>\r\n<\/tr>\r\n
Voltage Rating (Uc)<\/strong><\/td>\r\nRated for continuous operation at standard AC RMS voltages (e.g., 275V, 320V, 440V).<\/td>\r\nRated for continuous operation at the specific DC system voltage (e.g., 1000V DC, 1500V DC).<\/td>\r\n<\/tr>\r\n
Disconnection & Safety<\/strong><\/td>\r\nOften includes thermal disconnectors to safely fail an MOV that has been degraded by many surges.<\/td>\r\nCritical and more robust.<\/strong>\u00a0Requires advanced failure mechanisms to physically disconnect the SPD from the DC source in a fail-safe manner, as a sustained DC arc is a major fire hazard.<\/td>\r\n<\/tr>\r\n
Certification Standards<\/strong><\/td>\r\nUL 1449 (North America), IEC 61643-11 (International).<\/td>\r\nUL 1449 (for specific DC applications), IEC 61643-11, UL 497B, and specific standards for PV systems like IEC 62548.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n \r\n

Classification By Signal Type<\/h3>\r\n
Industrial environments contain not only power lines but also numerous signal and control lines. Signal SPDs are specifically designed to protect these low-voltage lines, such as:<\/div>\r\n
\u25cf Network\/Ethernet SPD<\/div>\r\n
\u25cf RS-232\/485\/422 Serial Port SPD<\/div>\r\n
\u25cf Analog\/Digital I\/O SPD<\/div>\r\n
\u25cf Coaxial Cable SPD (used for video surveillance, antennas, etc.)<\/div>\r\n \r\n

Classification By Mounting Structure<\/h3>\r\n

Plug-In Surge Protective Devices<\/h4>\r\n
It looks like an adapter and plugs directly into a wall socket. It is mainly used to protect a single device and belongs to Type 3.<\/div>\r\n \r\n

Modular Surge Protective Devices<\/h4>\r\n
The standard modular design allows it to be mounted on a DIN rail in a distribution cabinet, just like a circuit breaker. This is the most common form in industrial applications, facilitating installation, replacement, and condition monitoring (via remote signaling contacts). Type 1 and Type 2 are mostly of this type.<\/div>\r\n \r\n

Box-Type Surge Protective Devices<\/h4>\r\n
SPD modules, fuses, or circuit breakers are integrated into a single protective enclosure, which is commonly used in outdoor or field equipment boxes.<\/div>\r\n \r\n

How To Build A Tiered (Stepped) Protection System?<\/h2>\r\n
A single SPD cannot provide perfect protection, so a tiered (or stepped) protection strategy is required.<\/div>\r\n

Principle Of Tiered Protection<\/h4>\r\n
The core concept of graded protection is \"step-by-step discharge and layer-by-layer clamping.\"<\/div>\r\n
Level 1 (Type 1\/Type 1+2): At the main incoming line, it absorbs and discharges the vast majority of the massive surge energy, limiting overvoltages of several kilovolts to a lower level (e.g., 1500-2500V).<\/div>\r\n
Level 2 (Type 2): At the distribution panel, it further discharges residual surges that have penetrated Level 1 and clamps the voltage to a safer level (e.g., 1000-1500V).<\/div>\r\n
Level 3 (Type 3): At the front end of the equipment, it provides final suppression of minor residual surges, offering the lowest possible residual voltage (typically below 1000V), ensuring the absolute safety of precision equipment ports.<\/div>\r\n
A certain line distance (generally recommended to be more than 10 meters) needs to be maintained between each level of SPD to utilize line impedance for energy coordination. If the distance is insufficient, decoupling components (such as dedicated decoupling inductors or appropriate fuses\/circuit breakers) are required to ensure that each level of SPD operates in a coordinated sequence.<\/div>\r\n \r\n

Example Of Spd Configuration In Typical Industrial Scenarios<\/h4>\r\n
Scenario: Automated Production Line Control Center<\/div>\r\n
Main Distribution Room (MDB): Install Type 1+2 SPDs to protect the power input to the entire building.<\/div>\r\n
Production Line Control Cabinet (SDB): Install Type 2 SPDs to protect the power supply to core control units such as PLCs and frequency converters.<\/div>\r\n
PLC I\/O Module Front: Install signal SPDs on control signal lines (e.g., 24V DC).<\/div>\r\n
Engineer Workstation: Use Type 3 SPD socket boards on the sockets to protect the computer and programmer.<\/div>\r\n
Workshop Network Switch: Install Ethernet SPDs on the network ports.<\/div>\r\n \r\n

FAQ<\/h2>\r\n
How To Select The Appropriate SPD Type Based On Site Conditions?<\/strong><\/div>\r\n
Step 1: Determine the installation location. Select T1 or T1+2 for the main incoming line cabinet; T2 for the distribution cabinet; and T3 for the equipment front end.<\/div>\r\n
Step 2: Check key parameters. The maximum continuous operating voltage (Uc) must be greater than the highest voltage that may occur in the local power grid; the nominal discharge current (In) and maximum discharge current (Imax) must meet the lightning protection level (LPL) requirements of the installation point; the voltage protection level (Up) should be lower than the withstand voltage value of the protected equipment.<\/div>\r\n
Step 3: Consider other factors, such as the power supply system (AC\/DC), installation method (modular\/box-type), status indication, and remote signaling function requirements.<\/div>\r\n \r\n
Daily Inspection And Maintenance Of Industrial SPD<\/strong><\/div>\r\n
Regular visual inspection: Check the SPD for physical damage, such as cracks or burn marks.<\/div>\r\n
Observe the status indicator: Most SPDs have a color-coded window (green\/red) indicator. Green indicates normal operation, and red indicates failure, requiring immediate replacement.<\/div>\r\n
Keep a maintenance log: Record the installation date, initial inspection date, and subsequent inspection details. Even when in normal condition, SPDs have a limited lifespan; it is recommended to inspect or replace them periodically (e.g., every 3-5 years) or after a major surge event.<\/div>\r\n
Professional testing: Use specialized instruments to measure the leakage current of the varistor and assess for performance degradation.<\/div>\r\n \r\n
Can Surge Protection Devices Prevent Circuit Breakers From Tripping?<\/strong><\/div>\r\n
The primary function of an SPD is to prevent equipment from being damaged by overvoltage, not to prevent circuit breakers from tripping.<\/div>\r\n \r\n

Conclusion<\/h2>\r\n
Understanding the technical principles and application scenarios of different types of industrial surge protection devices (SPD) (t1, t2, t3), and combining them with comprehensive protection of power and signal lines, we can build an effective hierarchical (step-by-step) protection system.<\/div>"},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog\/2231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media\/1601"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media?parent=2231"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog_category?post=2231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}