Substations and Transmission

Alrecco USA Inc. has a niche market vertical in conceptual packages, design and drawing documents for High Voltage, EHV and Medium voltage substations and EHV Transmission lines. Our expertise includes:

  1. Specification of protective relays for substation bus and feeder protection transformer differential and backup protection.

  2. Line protection for HV and EHV line and breaker protection using SEL, AREVA and GE Multiline Relays.

  3. Theory of Operations.

  4. Performing relay setting and tabulating SCADA points.

  5. Physical design of Substations, grounding studies and battery sizing calculations.

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