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GRE130 Voltage and frequency protection and control
The GRE130 is a fully numerical multi-function voltage protection device designed for various applications in MV networks,drawing on proven technologies developed over more than 100 years,and providing a comprehensive range of protection and control functions. This compact and cost-effective device can be applied not only as feeder protection but also as a load shedding function with under-frequency and rate of change of frequency relays,and back-up protections for HV feeder,transformer and machines.
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