REX010 HESG324426R1 Ground Fault Protection Device
Руководство по продукту：
ABB REX010 HESG324426R1 Ground Fault Protection Device
Введение: REX010 (HESG324426R1) is an ABB generator stator grounding fault protection unit that uses injection principle to achieve 100% stator winding grounding fault protection for medium and high voltage generators, including neutral point coverage without blind spots.
1. Model REX010, Material Number HESG324426R1, Swiss original
2. Specially designed for medium and high voltage generators, covering 100% stator winding grounding protection
3. Injection type low-frequency signal detection, including neutral point area without protection blind zone
4. Can identify two independent grounding points within the protected area, подходит для сложных условий работы
5. Auxiliary power supply 36-312VDC, compatible with power station battery system
6. The maximum monitoring voltage on the primary side reaches 3200VDC, covering mainstream medium and high voltage units
7. Compatible with 50/60Hz power frequency systems and compatible with global grid frequencies
8. Need to be used in conjunction with REX011 injection transformer and REG216/316 relay
9. High measurement accuracy, grounding resistance error ≤ ± 2%, reliable detection
10. Industrial wide temperature range -20 ℃~+55 ℃, suitable for harsh environments in power plants
11. Protection level IP20, aluminum chassis, sturdy and durable structure
12. Support continuous protection for all working conditions including static, startup, and operation
13. Built in self diagnosis, automatic fault alarm, простота обслуживания и устранения неполадок
14. Modular DIN rail installation, plug-in design, easy replacement
15. Widely used for grounding fault protection of generators in power plants and medium to high voltage power stations
Заключение: REX010 HESG324426R1 has the core advantages of full winding no blind zone protection, wide voltage adaptation, and high-precision detection, and is the core device for stator grounding protection of medium and high voltage generators.
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