REX521EH  REX 521馈线保护继电器

【产品详情】

REX 521馈线保护继电器进一步丰富了附加功能，为您的电网提供更高效的保护、扩展的测量功能、监控、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、谐振接地、固体接地和电阻接地系统中的输入和输出馈线。

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动机的保护

产品优势

多功能保护

产品特点

传统电流和电压互感器的通电输入

还提供带电流和电压传感器输入的版本

预制标准配置

REX521EH  REX 521馈线保护继电器

【英文介绍】

The feeder protection relay REX 521 is designed for protection, control, measurement and monitoring in medium voltage networks, as well as protection of medium to large three-phase AC motors in circuit breaker control motor drivers. Typical applications include feed, discharge and motor feeders and substation protection. In addition, the relay can be used as backup protection for power transformers and backup protection for high-voltage line protection relays.

Protective relays are equipped with energized inputs for conventional current and voltage transformers. In addition, hardware versions with current and voltage sensor inputs are available.

The REX 521 feeder protection relay is further enriched with additional features to provide more efficient protection, expanded measurement, monitoring, control and connectivity for your power grid. REX 521 is primarily used in single-bus solutions, using a single circuit breaker for various protections.

With prefabricated standard configurations, the unit can be used in different types of networks, with typical applications including input and output feeders in radially isolated neutral, resonant grounded, solid grounded and resistance grounded systems.

Radius

Protection, control, measurement and monitoring in medium voltage networks, as well as protection of large and medium-sized three-phase AC motors

Product advantage

Multifunctional protection

Product characteristics

Energized input to conventional current and voltage transformers

Versions with current and voltage sensor inputs are also available

Prefabricated standard configuration

REX521EH  REX 521馈线保护继电器

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