1. DISTRIBUTED GENERATION EFFECTS ON PROTECTIVE RELAYING APPLICATIONS

2. INNOVATIVE PROTECTION FEATURES Microprocessor Based Programmable Protection Systems  Inputs, Outputs and Operator Controls  Digital relay-relay communications  Disturbance data capturing and sequential event reporting

3. INPUTS AND OUTPUTS Inputs Provide Protection System and Equipment Status Outputs Provide Interconnection Functionality  Trip and close control  Inadvertent utility energization interlocks

4. PROGRAMMABLE OPERATOR CONTROLS Interconnection Control Functionality can be Easily Changed via Operator Control Programming

5. DIGITAL RELAY-RELAY COMMUNICATIONS Enables Advanced Feeder/Distributed Generation Control  Direct transfer trip initiated from feeder recloser  Distributed generation control based on feeder recloser loading  Distributed generation status provided to feeder recloser

6. SEL M IRRORED B ITS Communications

7. Transmit “Mirrored” to Receive

8. Recloser to DG Unit MIRRORED BIT Communication

9. CONCLUSIONS Programmable Protection Systems will Provide Flexibility for Future Distributed Generation Control Digital Relay-Relay Communications will Enable Feeder Control of Distributed Generation Programmable Operator Controls will Allow Routine Functionality Changes via Front Panel Push Button Control Interconnection System Enhanced by Programmable Output