Distribution Sectionalizing Criteria

Sectionalizing criteria, if properly selected, can have a significantly positive effect on a utility’s system reliability. Power System Engineering, Inc. (PSE) is very familiar with industry best practices for sectionalizing criteria and can work with your utility to develop philosophies  that confront your specific sectionalizing challenges.

PSE can assist your utility with the following:

• Selection of protection zones.

• Selection of protective device types.

• Definition of coordination criteria.

• Definition of loading criteria under normal and emergency conditions.

• Calculation of minimum ground faults.

• Selection of fusing philosophies on overhead and underground lines for various types of equipment protection and in different protection zones.

• Development of electronic recloser and relay setting philosophies.

• Development of protection schemes for substation transformers and busses.

• Development of recloser maintenance schedules and records.

• Selection of distribution automation and smart switching schemes.