ABB REU615E D control relay

ABB REU615E D control relay

Technical data of product parameters

ABB REU615E D is a voltage protection and control relay that can be used for voltage and frequency based protection in power distribution systems, including power distribution systems with distributed power generation networks. It can also be used for voltage regulation. There are two standard configuration options for this device: standard configuration A and standard configuration B. Standard configuration A can be used for applications such as busbar low-voltage and overvoltage monitoring, load separation (disconnection), and load recovery (reconnection). It can also be used in the over frequency and low frequency protection of generators and other AC equipment (such as capacitor banks). In generator and motor protection applications, REU615 can also provide auxiliary protection by detecting frequency and voltage offsets. The integrated synchronization function ensures reliable connection between the equipment and the power grid. In the distribution network with distributed generation, REU615 can also be used as LOM Loss of main for a single generation unit. Standard configuration B can be applied to manual or automatic voltage regulation of transformers with electric on load tap changer. In small substations with only one transformer, REU615 can be used for load side voltage regulation. Standard configuration B also has protection function. [0]
The main functions of the REU615E D relay are voltage and frequency protection and automatic voltage regulation, which can be applied in various application scenarios in the power system. REU615E D can also detect frequency and voltage offsets to provide auxiliary protection. The REU615E D also has a synchronization function, which ensures reliable connection between the equipment and the power grid. In the distribution network equipped with distributed generation, REU615E D can also be used as the disconnection protection (LOM Loss of main) of a single generation unit. [2]
There are two standard configuration options available for REU615E D: standard configuration A and standard configuration B. Standard configuration A can be applied to applications such as busbar low-voltage and overvoltage monitoring, load separation (disconnection), and load recovery (reconnection). Standard configuration B can be applied to manual or automatic voltage regulation of transformers with electric on load tap changer. In small substations with only one transformer, REU615E D can be used for load side voltage regulation. Standard configuration B also has protection function

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