Compact Line Differential Protection Device
Compact and Inexpensive Line Differential Protection
The P53x range provides a two-ended line differential protection function with all of the necessary protection communication interfaces.
The P530C is a compact line differential protection device which can directly replace the PQ741, it is provided with more new features and functions than its predecessor but is still pin-compatible with the PQ741. A multitude of additional protection functions for short-circuit and overload protection are implemented so that the relay doubles as feeder protection. Directional overcurrent functions, ground fault detection and voltage supervision are available when using the optional three-phase voltage measurement.
The MiCOM P532 is an inexpensive line differential protection device that features optional control functions for rapid and selective short-circuit and overload protection of cables and power lines. It provides a rapid three-stage differential protection system using a tripping characteristic with multiple knee points amongst the numerous supplementary functions. The optional control functions enable P532 to control up to six switchgear units fitted to a bay panel, and to monitor their contact positions.
Both IEDs supports numerous communications protocols, which allow the devices to be wired into various substation control systems and telecontrol systems. The freely configurable PCOMM protection interface permits differential protection communication to also be used for transmission of up to three binary information telegrams between devices.
P530C is supplied in a compact case solution, whereas P532 is supplied in 40TE or 84TE standard 4U case sizes, depending on configuration.
Period : 2 years
- 1A/5A both supported in a single device
- Optional voltage transformers
- Freely configurable PCOMM interface
- Function keys (with text HMI on P532)
- Optional control functions (P532)
- Space optimized solutions (P530C)
The MiCOM P53x are an inexpensive range of line differential IEDs that features optional control functions for rapid and selective short-circuit and overload protection of cables and power lines.
2 Versions of P53x are available:
- Non-directional supplementary functions (without voltage transformers)
- Directional supplementary functions and ground fault monitoring (with voltage transformers)
Furthermore, where provided, there are additional options for controlling switchgear units or the automatic synchronization check (ASC) function.
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