7TAMRONGLAK S. Analysis of power system disturbances due to relay hidden failures[D]. Blacksburg, VA, USA: Virginia Polytechnic and State University, 1994
8PHADKE A G, THORP J S. Expose hidden failures to prevent cascading outages in power systems. IEEE Computer Applications in Power, 1996, 9(3): 20-23.
9ELIZONDO D C. Hidden failures in protection systems and its impact on wide-area disturbances[D]. Blacksburg, VA, USA: Virginia Polytechnic and State University, 2000.
10QUN Qiu. Risk assessment of power system catastrophic failures and hidden failure monitoring & control system [D]. Blacksburg, VA, USA: Virginia Polytechnic and State University, 2003.