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Easergy MiCOM P44x provides high speed and high performance distance protection for all overhead lines and cable applications and offers a comprehensive range of protection functions as standard. Models available: MiCOM P441, MiCOM P442, MiCOM P443, MiCOM P444, MiCOM P445, MiCOM P446
MiCOM P441, P442 and P444 are numerical, full-scheme distance relays that provide protection control and monitoring of transmission lines.
These numerical full-scheme relays provide flexible and reliable protection control and monitoring of transmission lines. They can be applied to high and extra-high voltage systems and operate extremely quickly and securely.
Proven algorithm basis for customized protection control
For use in high and extra-high voltage systems, this MiCOM relay family can be applied to a wide range of overhead lines and underground cables. Their functioning is based on a patented, proven algorithm with more than two decades of established field experience.
MiCOM P441, P442 and P444 offer unparalleled speed, security and selectivity all in one. Designed to protect and control any kind of power system fault, their wide range of communication options help in easily connecting them to any type of Digital Control System or SCADA.
InterMiCOM, an optional protection communication interface and a powerful programmable graphic scheme logic, enable users to develop customized protection schemes and solutions.
Fast, safe operations
Based on dual algorithms and polygonal characteristics, the MiCOM P441, P442 and P444 deliver fast operating times as low as 0..85 cycles. Offering a wide choice of channel-aided schemes, this MiCOM family provides Powerswing detection and Out-of-Step protection. Users may also choose from multiple communication protocols and interfaces options, including IEC61850.