Cenace's experiences on implementing a wide area monitoring system (WAMS) in the Ecuadorian power system

The improvement of synchronized phasor measurement technology has enabled the development of new methodologies in order to monitor, in real time, high stressed operating conditions that might eventually cause problems of steady-state angle or voltage stability, as well as oscillatory stability risks. In this paper, the main components of the wide area monitoring system (WAMS) and phasor measurement in electric power systems are described. Then, a description of the WAMS system installed in the electric system of Ecuador is presented. A summary of the experiences of the Ecuadorian ISO (Centro Nacional de Control de Energía - CENACE) as regards WAMS implementation is presented. These experiences include the installation of 22 phasor measurement units (PMU), a high speed communication system based in optical fiber, and a phasor data concentrator (PDC) located in the control center. PDC functions are: to manage the phasor information and to provide dynamic monitoring applications (among which are the monitoring of steady-state angle and voltage stabilities and oscillatory stability). Finally, each of the stability monitoring applications is described and some analyses of the information obtained from the installed WAMS system are performed, presenting also the first results. These analyses will allow future operative and process design improvements, both in the planning and operation in real time, which will lead to optimize the security and reliability of operation.

[1]  Jaime C. Cepeda,et al.  Monitoreo de las oscilaciones de baja frecuencia del Sistema Nacional Interconectado a partir de los registros en tiempo real , 2014 .

[2]  Jaime C. Cepeda,et al.  Determinación de los Límites de Estabilidad Estática de Ángulo del Sistema Nacional Interconectado , 2014 .

[3]  Arun G. Phadke,et al.  Synchronized Phasor Measurements and Their Applications , 2008 .

[4]  James S. Thorp,et al.  IEEE Standard for Synchrophasors for Power Systems , 1998 .

[5]  A.G. Phadke,et al.  Synchronized phasor measurements in power systems , 1993, IEEE Computer Applications in Power.

[6]  P. X. Verdugo,et al.  Monitoreo de la Estabilidad de Voltaje de Corredores de Transmisión en Tiempo Real a partir de Mediciones Sincrofasoriales , 2014 .

[7]  Torre Altamirano,et al.  Análisis técnico de la implementación de un sistema SCADA de monitoreo de area extendida(Wams) en el sistema nacional interconectado del Ecuador , 2013 .

[8]  P. Cochat,et al.  Et al , 2008, Archives de pediatrie : organe officiel de la Societe francaise de pediatrie.

[9]  P. Kundur,et al.  Power system stability and control , 1994 .

[10]  A.G. Phadke,et al.  Exploring the IEEE Standard C37.118–2005 Synchrophasors for Power Systems , 2008, IEEE Transactions on Power Delivery.

[11]  Savu Crivat Savulescu.  Real-Time Stability Assessment in Modern Power System Control Centers , 2009 .

[12]  D. G. Colomé,et al.  Evaluación de la Vulnerabilidad del Sistema Eléctrico de Potencia en Tiempo Real usando Tecnología de Medición Sincrofasorial , 2014 .