Description

SCHNEIDER EASERGY P3U30 PROTECTION ELECTRIC RELAY

Schneider Easergy P3U30 Relay is a complete protection relay for medium voltage applications, including feeder, motor, transformer, and generator protection. It embeds all the latest communication protocols on serial or Ethernet links. Based on more than 100 years of experience in network protection relays, Easergy P3 benefits from the reliability of Sepam, MiCOM and Vamp.

Easergy P3 protection relay is based on proven technology concepts and developed in close cooperation with customers, so it?s built to meet your toughest demands. It?s available in two sizes to best fit your needs:

The Easergy P3 Standard combines protection functions such as directional earth fault for feeder and motor protection in a one-box solution.
The Easergy P3 Advanced features a modular design that allows user-defined conventional protection and arc flash protection solutions in both new and existing power distribution systems.

Easergy products are designed to be user friendly, a feature that is proven in our customer reports day after day. You will benefit from features that include:

A complete set of protection functions, related to the application
Arc detection (Easergy P3 Advanced)
Dedicated circuit breaker control with single-line diagram, push buttons,
programmable function key and LEDs, and a customizable alarm
Multilingual HMI for customized messaging
Settings tool relay management software for setting parameters, configuring, and network fault simulation
Both serial and Ethernet communication, including redundancy
IEC 61850 standard Ed.1 & Ed.2

Schneider Easergy P3U30 Protection Relay Functions:

Phase overcurrent 50/51
Directional phase overcurrent 67
Earth fault overcurrent 50N/51N
Directional earth fault 67N
Transient earth fault 67NI
Capacitor bank unbalance 51C
Broken conductor 46 I2/I1
Cold load pick-up
Switch ON to fault (SOTF)
Breaker failure 50BF
Directional active underpower 37P
Fault locator 21FL
Recloser 79
Phase undercurrent 37
Excessive starting time, locked rotor 48/51LR
Motor restart inhibition 66
Capacitor overvoltage 59C
Negative sequence overcurrent 46
Overvoltage 59
Undervoltage 27
Positive sequence undervoltage 27P
Earth fault overvoltage 59N
Underfrequency 81/81N
Rate of change of frequency 81R
Synchro-check 25
Lockout relay 86
CT supervision 60
VT supervision 60
H2 detection 68H2
H5 detection 68H5
Programmable stages 99
H5 detection
Programmable curve

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