Lilydale Substation REFCL

The Victorian Government has mandated the rollout of Rapid Earth Fault Current Limiter (REFCL) installations across nominated Zone Substations in AusNet Services’ network, including at the Lilydale Zone Substation. Installation works included:

• Two new REFCL(s) units in bunds and footings
• Two new 22kV switched neutral bus kiosks onto new footings
• A new REFCL Room on to new pad footings to house associated inverters and control equipment
• A new modular Control Room onto new striped footings
• A new cable trench (600mm Wide x 600mm Deep) running north west to south east for associated control cables Conduits for control cables
• Associated reinstatement and surfacing

Replacement works involved:

• The existing NER with one new NER onto new pad footing
• Existing station service transformers (SSTx) with two new 750 kVA kiosk type units onto new pad footings and AC changeover boards
• Both existing Capacitor Banks with Metal enclosed Cap Banks with pad footings for REFCL compliance.