AQ-L359 is a line protection device with line differential and full scheme distance protection for transmission and sub-transmission line protection applications. It integrates a full range of line protection functions as well as a variety of additional functions for control, measurement, monitoring and communications.
Line differential protection.
Distance protection with polygon or MHO characteristics.
Impedance measuring in six separate loops for phase or earth faults.
Parallel line zero sequence current compensation.
Load encroachment and power swing block characteristics.
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