产品详情
详情介绍:REX521GHHPSH51G 馈线保护继电器REX 521
馈线保护继电器REX 521设计用于中压网络中的保护、控制、测量和监控,以及断路器控制电机驱动中的大中型三相交流电机的保护。典型应用包括进线、出线和电机馈线以及变电站保护。此外,继电器可以例如用作电力变压器的备用保护和高压线路保护继电器的备用保护。
保护继电器为传统的电流和电压互感器提供激励输入。此外,还提供带有电流和电压传感器输入的硬件版本。
REX 521馈线保护继电器进一步丰富了附加功能,为您的电力网络提供更高效的保护、扩展测量功能、监督、控制功能和连接性。REX 521主要用于单母线解决方案,使用一个断路器进行各种保护。
通过预制的标准配置,该装置可用于不同类型的网络,典型应用包括径向隔离中性点、谐振接地、固定接地和电阻接地系统中的进线和出线。
范围
- 中压网络中的保护、控制、测量和监控以及大中型三相交流电机的保护
产品优势
- 多功能保护
产品特性
- 传统电流和电压互感器的激励输入
- 还提供带有电流和电压传感器输入的版本
- 预制的标准配置
REX521GHHGSH51G
The feeder protection relay REX 521 is designed for protection, control, measuring and supervision in medium voltage networks and for protection of large or medium-size three-phase a.c. motors in circuit breaker controlled motor drives. Typical applications include incoming, outgoing feeders and motor feeders as well as substation protection. Further, the relay can, e.g., be applied as back-up protection of power transformers and back up for high-voltage line-protection relays.
The protection relay is provided with energizing inputs for conventional current and voltage transformers. Also a hardware version with inputs for current and voltage sensors is available.
The REX 521 Feeder Protection Relay has been further enriched with additional features to provide your electrical network with even more efficient protection, extended measuring functions, supervision, control functions and connectivity. The REX 521 is mainly used in single busbar solutions, using one circuit breaker for various protections.
With pre-made, standard configurations the unit can be used in different types of networks and the typical applications include incoming and outgoing feeders in radial isolated neutral, resonant earthed, solidly earthed and resistively earthed systems.
Scope
- Protection, control, measuring and supervision in medium voltage networks and for protection of large or medium-size three-phase a.c. motors
Product benefits
- Multi-functional protection
Product features
- Energizing inputs for conventional current and voltage transformers
- Version with inputs for current and voltage sensors is also available
- Pre-made, standard configurations
热卖型号:REX521GHHPSH51G 馈线保护继电器REX 521
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