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Power Monitoring And Control System (PMACS) Kevin Schneider, Chen-Ching Liu University of Washington Department of Electrical Engineering.

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Presentation on theme: "Power Monitoring And Control System (PMACS) Kevin Schneider, Chen-Ching Liu University of Washington Department of Electrical Engineering."— Presentation transcript:

1 Power Monitoring And Control System (PMACS) Kevin Schneider, Chen-Ching Liu University of Washington Department of Electrical Engineering

2 Overview Voltage, Current, Power Limit Checking Status Data and Analog Measurements All Operating Constraints Satisfied Operating Constraint's) Violated Emergency Control / Load Management Security Assessment System Restoration Loss of Load

3 Emergency Control Remote control capabilities Voltage of Nodes on Backbone > 5000V PMACS at shore stations :  limit checking to detect any voltage violations or over-current problems  Emergency control algorithm

4 Security Assessment To determine the voltage stability limit for the entire system PMACS calculates power flow  Determines the maximal power transfer value  Available power  Security margin PMACS security assessment software  Determines if the system will enter an emergency state

5 Security Assessment

6 Contingencies Loss of shore station Loss of shallow water links or deep water links Significant load increase Node failures Others

7 Load Management PMACS determines if power consumption should be limited using the acquired data Power is to be reserved for high-priority application PMACS load management software  Has load management / load shedding software  Uses information on power consumption and agreement  Maintains a list of priority of the loads  Identifies the load devices that need to be shed  Handles high current due to overloading

8 Data needs for PMACS Breaker Status Data o Breakers on the backbone o Breakers at the shore stations o Breakers on both sides of each converter Current and Voltage Data o MV points on the backbone o LV points on converter outputs


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