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Siemens SIPROTEC 7UT612 Relais de Protection Différentielle de Transformateur
Relais de Protection de Surcharge & Départ SIPROTEC 7SJ81 – Siemens
Siemens Siprotec 4 SIPROTEC 7SJ63 Koruma Rölesi
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Teknik Özellikler
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Aşırı akım ve yönlü aşırı akım koruması
Hassas toprak arıza tespiti
Motor ve sıcaklık koruması
Gerilim, frekans ve aşırı yük koruması
Kesici izleme, sigorta gözetimi
8 arıza kaydı
İletişim: IEC 60870-5-103 / 61850 / PROFIBUS / DNP 3.0 / MODBUS RTU
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Spécifications Techniques
Protection différentielle, surintensité, surcharge, défaut de terre, déséquilibre, défaillance disjoncteur
Mesure de courant différentiel/maintien, enregistrement oscillographique
Communication : IEC 61850, IEC 60870-5-103, PROFIBUS, MODBUS, DNP 3.0
Synchronisation IRIG-B / DCF 77
Interface PC pour configuration DIGSI 4
Logique programmable CFC et contrôle local/distant
Protection surintensité directionnelle et non directionnelle
Détection de défauts à la terre (3I0>, V0>, transitoire, cosφ, sinφ, admittance…)
Protection arc-flash
Sur/sous-tension
Protection fréquence & ROCOF
Protection puissance active/réactive
QU protection
Synchro-check
Défaillance disjoncteur
Détection d’harmoniques jusqu’au 50ᵉ
Ethernet RJ45, IEC 61850, 60870-5-103/104, Modbus, DNP3, PROFINET
Protocoles PRP/HSR
Accès web sécurisé, RBAC
Synchronisation IEEE-1588
Enregistreur de défaut 40 s
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