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Protection Engineer Plans Wide-Area Protection Schemes Based on System Model

Special Protection Systems or Remedial Action Schemes play a very important role in the prevention of wide spread power system disturbances. Different phases of their engineering, configuration and maintenance are based on the availability of a CIM system model. It is used to run dynamic system simulations, change the action of the SPS to adapt to changing system conditions or analyze the operation in case of a system event. At the same time SPS needs to receive real-time power flow, frequency, load, generation and other measurements and status information from multiple locations in the system. It will also send signals for breaker tripping or load/generation shedding to substations included in the SPS. SPS will also need to be modeled in IEC 61850 (no such model exists today).

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