Substation Automation Design and Implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how substation secondary systems are conceived and implemented. It is intended to help those who have to define and implement SAS, whilst also conforming to the current industry best practice standards. Key Written for practical application, this book is a valuable resource for professionals operating within different SAS project stages including specification process; contracting process; design and engineering process; integration process; testing process and the operation and maintenance process.