The power utility EPCOR Utilities Inc. located in Edmonton, Alberta is upgrading the line protection on its 72 kV transmission network. Therefore, it used the System Based Testing approach for end-to-end testing, based on software which will simulate all relevant portions of the network for testing.
This paper discusses all aspects of this system based testing, from planning and execution to resolution of issues. An overview of the progression of this type of testing within the company is performed, showing the improvements with each evolution. The results are analyzed, and compared with other methods of testing.