A Dead Tank Circuit Breaker is a type of high-voltage circuit breaker where the interrupter chamber is housed in a grounded metal tank. This design enhances safety, reliability, and performance in high-voltage power systems.
| Feature | Details |
|---|---|
| Voltage Rating | Ranges from 72.5 kV to 800 kV for transmission systems |
| Current Rating | Up to 5000A for heavy-duty applications |
| Breaking Capacity | Up to 63 kA for effective fault interruption |
| Insulation Medium | SF6 gas for superior arc quenching and insulation |
| Operating Mechanism | Spring, hydraulic, or pneumatic mechanisms for reliable performance |
| Number of Poles | Available in single-pole and three-pole configurations |
| Protection Features | Integrated current transformers (CTs) for enhanced protection and monitoring |
| Creepage Distance | Extended creepage design available for high-contamination environments |
| Compliance Standards | Conforms to IEC 62271-100, ANSI, and IS standards |
| Rated Voltage | Upto 245kV |
| Rated Current | Upto 5000A |
| Frequency | 50/60 Hz |
| short-circuit breaking current | 50- 90kA |
| Lightning impulse withstand level-LIWL | 900, 1050 kVp |
| Operation type | Single-pole operated/ Three-pole operated |
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