Great Western Electrification Programme
- Protection and Control Design Support

Navitas Engineering has been commissioned by the ABB/UK Power Networks Services Consortium to provide ongoing support with the Protection & Control GRIP 5 Design for the substations commissioned as part of the Great Western Main Line Electrification Project.

The scope of works and activities to date are as follows:

• Technical review of protection and control specification;

• Technical review of scheme logic and protection setting inputs;

• Technical assessment of the current transformer requirements and specifications;

• Development of high impedance busbar protection settings;

• Review and development of site specific and IED specific distance protection settings;

• Development of generic and site specific IED protection setting mask file templates and Form Bs;

• Fault investigation and assessment against protection philosophy;

• Bypass settings and configuration evaluation;

• Bespoke depot feeding arrangement analysis and protection settings implementation;

• Technical support at working group meetings and IDC reviews.