Chang Woo Park

System-level troubleshooting (ESS/BESS) Electrical/communication diagnostics Customer-facing technical support Field issue coordination (EU region)

ESS electrical system development Grid Code Certification System performance analysis Internal R&D collaboration

ESS system design & testing Grid-scale commissioning coordination International project management (Tahiti, etc.) PCS/EMS integration support Technical Customer Support

Developed Schematics of entire LV components Vehicle using Altium including the creation of the template and a custom library for necessary components. Built and installed the overhead LED circuit board that goes in the car. Developed a SIL model for the clutch actuator using Simulink. Developed the harness of the vehicle master controller (MicroAutoBox). Routed LV components on the vehicle. & Organized LV & HV harnesses by re-locating, re-connecting, soldering, building connectors and mounting.

Made a Python Program that counts number of customers for each conductor. Detected errors on the GIS database creating automation program. Assessed the Health Index for every Switchgears and Transformers. Created and standardized the flowcharts for work procedures using MS Visio. Analyzed the cause of pole fires relating with weather and salt. Arranged and Organized Data into desired format by using VBA, AS400 etc. Arrange drawings for field workers.

• Made an automation AutoCAD program with VBA that creates drawings of transformer wiring molds with numerous sizes depending on users’ inputs. • Designed simple transformers. • Modified drawings for transformers. • Created bill of materials. • Learned how to use PTC Creo (3D-Design program). • Translated some documents in English to Korean.

• Power system analysis (transformer tap changer impact owing to renewable generation.) • Performed a presentation at Hydro One Asset Strategy Division meeting. • Background work on efficiency of power transformers, to support the Hydro One internal system efficiency work. • Background research on potential benefits of smart grid work. • Extracted data from the database, arranged in a desired format using excel and VBA.

• Provide the support of electrical engineers. • Reviewing and documenting drawings and manuals. • Draft of method statements. • Assistant supervising site installation. • Preparing inspection sheets. • Modifying Drawings & Documents.

IoT, Radio and Wireless System Wireless Communication, Digital Signal & Image Processing RF & Microwave Circuits Analog & Digital Communication, Analog Control Systems, Signal and System. Electronic Circuits, Digital Circuits and Systems Embedded Microprocessor system