P391 – Generator Rotor Earth Fault Relay
Description
GE P391 Numerical Relays
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MiCOM Agile P34x
Generator Protection Systems
GE’s MiCOM Agile P34x generator protection relays provide flexible and reliable integration of protection, control, monitoring and measurement functions for a wide range of applications. The P34x relay platform is available in six models that cover most installations from small generators to sophisticated systems including generator-transformer applications and large variable speed double fed induction pumped storage machines.
GE P391 Numerical Relays’s Key features:
- Comprehensive protection functions, flexible communications options with a number of protocols and ports
- Generator turbine abnormal frequency protection monitors the accumulated time spent at each frequency band
- Check the synchronization function with an option to compensate for magnitude and phase angle
- User-friendly programmable scheme logic allows easy customization of the protection and control functions
- Current loop analog inputs and outputs for remote monitoring
- No internal batteries in GE-branded models – remove a maintenance item and eases air-freight logistics
- Binary inputs ESI48-4 EB2 compliant
- Binary inputs offer programmable pickup voltage thresholds and filtering enabling a truly universal application
- High break output contacts eliminate reliance on auxiliary devices
- Unique low-frequency protection for variable speed double fed induction machines
- Rotor earth fault protection
- Harsh environmental protection extends the life of the product
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