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energyxpertz / Compare products
Siemens SIPROTEC 7UT612 Transformer Differential Protection Relay – 4xI 4xV
Perkins 2506A-E15TAG2 Dizel Jeneratör – 550 kVA
Siemens Siprotec 4 SIPROTEC 6MD66 Bay Controller – 3xI 4xV, for transmission grids
Cummins NTA855G4 Dizel Jeneratör – 400 kVA
Relais Numérique de Protection de Moteur Siemens 7SK80 Siprotec Compact
price
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Spécifications techniques
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4 entrées pour transformateurs de courant
0 / 3 entrées pour transformateurs de tension
3 / 7 entrées binaires (seuils configurables via logiciel)
5 / 8 sorties binaires (2 à changement)
0 / 5 entrées RTD (détecteur de température à résistance)
1 contact de vie
Bornes de courant et de tension enfichables
Fonctions:
Protection contre les surintensités à temps défini et inverse (phase/terre) (50, 50N, 51, 51N)
Protection contre les surintensités directionnelles (terre) (67N)
Protection contre les surintensités directionnelles (terre) (définitive/inverse) (67Ns, 50Ns)
Tension de déplacement, tension de séquence nulle (59N)
Surveillance du circuit de déclenchement (74TC)
Surveillance sous-courant (37)
Surveillance de la température (38)
Protection contre la surcharge thermique (49)
Protection contre le blocage de charge (51M)
Protection contre le rotor bloqué (14)
Protection contre les défauts intermittents à la terre
Protection directionnelle contre les défauts intermittents à la terre (67Ns)
Protection contre les surintensités contrôlée par la tension (51V)
Interdiction de redémarrage (66/86)
Protection contre les sous-tensions/surtensions (27/59)
Protection contre la puissance avant/puissance inverse (32)
Facteur de puissance (55)
Protection contre la surfréquence/sous-fréquence (81O/U)
Protection contre la défaillance du disjoncteur (50BF)
Protection du courant d'équilibre de phase (protection à séquence négative) (46)
Protection contre l'instabilité de tension et/ou surveillance de la séquence de phase (47)
Surveillance du temps de démarrage (48)
Verrouillage (86)
Protection contre le taux de changement de fréquence (81R)
Protection contre le taux de changement de tension (27R/59R)
Applications:
Protection des moteurs: Conçu pour la protection des moteurs asynchrones à induction.
Protection des transformateurs: Fournit une protection de secours pour la protection différentielle des transformateurs, avec une suppression efficace de
Teknik Özellikler
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Motor Markası: Perkins
Motor Modeli: 2506A-E15TAG2
Menşei: İngiltere
Prime Güç: 583 hp
Standby Güç: 641 hp
Silindir Sayısı: 6 (Sıralı)
Emiş Sistemi: Turbo + Intercooler
Soğutma Sistemi: Su
Regülatör Tipi: Elektronik
Yakıt Tüketimi (50%): 66 L/s
Yakıt Tüketimi (75%): 97 L/s
Yakıt Tüketimi (100%): 132 L/s
Silindir Çapı x Strok: 171 × 131 mm
Sıkıştırma Oranı: 16:1
Enjeksiyon: Direkt
Elektrik Sistemi: 24 V DC
Yağ Kapasitesi: 62 L
Yakıt Deposu: 819 L
Soğutucu Kapasitesi: 58 L
Maks. Egzoz Sıcaklığı: 550 °C
Kuru Ağırlık: 1633 kg
Alternatör Özellikleri:
Marka: Stamford
Model: HCI544D
Menşei: İngiltere
Prime Güç: 500 kVA
Standby Güç: 550 kVA
Frekans: 50 Hz
Yalıtım: H Sınıfı
Verimlilik: %96
Koruma: IP23
Aşırı Yük: %110
Güç Faktörü: 0,8
Kutup Sayısı: 4
Rulman Sayısı: 1
Çıkış Voltajı: 230/400 V
Devir: 1500 rpm
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Motor:
Cummins NTA855-G4
Menşei: ABD
Üretim: ABD, İngiltere, Hindistan
Güç: 411 hp (451 hp max)
Hacim: 14 L
6 sıralı silindir
Turboşarj
Su soğutma
Elektronik governor
Yakıt tüketimi: 39 / 57 / 76 L/h
1500 rpm
140×152 mm
14:1 sıkıştırma
Doğrudan enjeksiyon
24V DC
Yağ: 38.6 L
Yakıt: 380 L
Su: 45 L
Egzoz 541 °C
Egzoz akışı: 73.5 m³/h
Soğutma havası: 456 m³/min
Ağırlık: 1410 kg
Alternatör:
Stamford (İngiltere)
352 / 400 kVA
IP23 – H sınıfı
Verim: 93.6%
Kaplin:
365 kVA / 292 kW
400 kVA / 320 kW
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Technical Specifications
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Integrated synchro-check for synchronized breaker closing
Breaker-related protection functions (Breaker Failure 50BF, Auto-reclosure 79)
Flexible, powerful measured-value processing
High-voltage signal handling
Operation of up to 14 single-pole circuit-breakers
Operation of up to 11 two-pole switching devices
Up to 65 indication inputs, up to 45 command relays
Switchgear interlocking
Suitable for redundant master station
Operational measurement display: V, I, P, Q, S, f, cos φ (single & three-phase)
4 freely assignable function keys for frequent operator actions
Communication Interfaces:
IEC 61850 Ethernet
IEC 60870-5-103
PROFIBUS-FMS / DP
DIGSI 4 service & front interface
Time synchronization via IRIGB / DCF77
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Technical Specifications:
Application: Transformers (1-/3-phase), motors, generators, short lines, busbars (up to 7 feeders)
Protection Functions:
Differential protection (phase-segregated)
Sensitive stage for low-fault currents
Fast tripping for high-fault currents
Transformer inrush restraint
Phase and ground overcurrent protection
Overload protection with/without temperature input
Negative-sequence protection
Breaker failure protection (50BF)
Low/high-impedance restricted earth fault (REF) protection
Control Functions:
Commands for circuit-breaker and isolator control
Local/remote control via keyboard, binary inputs, DIGSI 4, or SCADA
User-defined logic with CFC (Custom Function Chart)
Monitoring Functions:
Self-supervision and trip-circuit supervision
Oscillographic fault recording
Continuous differential and restraint current measurement
Transformer thermal monitoring via external thermo-boxes
Communication Interfaces:
Front PC port for DIGSI 4 configuration
IEC 61850 Ethernet, IEC 60870-5-103, PROFIBUS-FMS/DP, MODBUS, DNP 3.0
Service/modem interface, temperature monitoring connection
Time synchronization via IRIG-B / DCF 77
Features:
Integrated thermal replica for winding supervision
Flexible parameterization for various transformer configurations
Proven SIPROTEC 4 platform with more than 1 million units in service worldwide
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