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Work Package E : "Investigation of Safety and Protection Requirements"


Work Package Leader : UMIST

Partners involved :  ICCS, EDP, PPC, INESC, EPRI

Objectives :

A MicroGrid is subject to the same safety requirements as any utility electric power system and this WP will provide proposals (supported by analysis and simulation) to ensure the MicroGrid can be operated safely. In particular the following areas will be addressed:

  • Earthing (Grounding) of the MicroGrid and its connection to the utility network.

  • Fault currents within the MicroGrid (during both islanded and interconnected operation)

  • Step and touch potentials in the event of  faults

  • Techniques for electrical protection given the low contribution to short circuits from many inverters

Speed of response of the electrical protection and hence implications for stability

Description of work :

Task 5.1

Earthing (Grounding)

Task 5.2

Fault current contributions

Task 5.3

Step and Touch Potentials

Task 5.4

Electrical Protection

Task 5.5

Stability