Lead the department of special technical studies for power system development in North America.

Lecturer in the power system protection course focused on grid protection coordination and control centers.• Identify and explain the application of powerflow, short circuit, transient and arc flash studies to perform protection coordination.• Develop skills for analysis and implementation of protection schemes.• Identify and apply software tools for analysis and coordination of power system protections that involve renewable energies and loads with special conditions

• Lead the departments of: power system planning, protections, grid automation and communication, power quality and technical information. • Plan the grid development in the medium and high voltage level satisfying the power system expansion with the efficient and reliable criteria required.• Develop and approve plans to increase the power system reliability and power quality based on international standards and regulatory requirements. • Guide and approve the automation and development of technical information system.• Provide guidelines and politics to define the necessary equipment and settings to automate, protect, communicate and control the different power system components in Enertolima.• Formulate and evaluate projects to expand the power grid, increasing the reliability and flexibility of the communications, protections and control systems.• Evaluate the integration of renewable resources in the medium and high voltage systems.• Lead the reorganization of the technical information system based on international standards.

• Monitored the project’s development to connect renewables and conventional power plans.• Leaded the group for transient stability studies.• Performed all the analysis required to connect a power plant to the national and regional power systems satisfying the national requirements and the international standards in steady and transient states.• Performed studies to identify the connection with highest reliability for power plants and loads in the transmission and distribution systems.• Analyzed the transient response and adjusted the settings in wind farms controllers connected to the Colombian national grid.• Performed adjustment in control variables for SVCs and STATCOMs in the Colombian national grid.• Updated the national and regional power system based on the expansion plan and temporal reports from the national grid operator• Developed proposals for specialized studies and analysis to connect renewable and conventional power plants in Colombia, Panama and Mexico.

Power Engineer with emphasis in transmission and distribution studies.Transient Analysis studies during black start.• Performed evaluation for transient stability during consecutive connection of branches (transmission lines, transformers, etc.) in the black starting process. • Provided intensive simulation analysis to verify the Electromagnetic Transient Program (EMTP) models for lines, transformers and loads for the algorithms developed within OU research group. • Evaluated a steady state status for voltages and currents for a black started grid to perform transient analysis during branch switching.• Tested and compared voltage and current responses using PSCAD Simulator to validate new program accuracy. • Tested real restoration scenario and corrective actions or responses to avoid false tripping in protection devices or excess of rated conditions during the restoration process of a large-scale power system.

On-line Model Validation for real time studiesPhasorPoint simulator for PMU technologies

• Provided operators with a tool that bridges the gap between planning and operations to operate the system with a high degree of reliability and efficiency. • Tested the accuracy of the real-time dynamic stability assessment at ISO NE. • Provided intensive simulation of real disturbances in the power system. • Compared event simulation of EMS model against actual PMU measurements.• Performed dynamic stability analysis using an off-line prepared system dynamic equivalent model combining the external equivalent with the real EMS model in ISO NE. • Performed benchmark of on-line dynamic responses against the actual PMU measurements.• Provided recommendations on possible improvement of EMS model for dynamic stability assessment. • Tested and improved a data processor tool for on-line stability studies: interface limits and historical IROL violations. • Performed model calibration using Matlab to find the possible reasons for a no well-damped oscillation in ISO NE.• Adjusted in external equivalent for dynamic oscillations.• Tested standalone data processing tool for the operation group.