Petrotec Qatar

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An Al Mahhar Company

Modifications and Retrofit Services

Aging switchgear equipment in industrial, utility, and infrastructure installations poses significant concerns related to reliability, safety, and compliance with evolving standards. At Petrotec, our Modifications and Retrofit Services for High Voltage (HV) and Low Voltage (LV) Switchgears are designed to address these challenges- extending the operational life of existing systems, enhancing safety, improving performance, and reducing the cost of complete system replacements. 

By modernizing outdated components and integrating advanced technologies, we deliver smarter, safer, and more efficient switchgear systems that align with today’s performance and safety standards.

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Key Benefits:

  • Improved Safety:

    Upgrade to modern protection systems, reducing the risk of arc flash and system faults.

  • Operational Flexibility:

    Customize modifications based on changing load profiles or future expansion plans.

  • Digital Enablement

    Enable smarter grid operations with IoT, SCADA, and remote monitoring integrations.

Key Services

  • Switchgear Modifications (HV/LV)​

    We offer tailored switchgear modifications to meet specific operational or load expansion requirements:​

    • Busbar reconfiguration or extension​
    • Addition of feeder sections or incomer panels​
    • Control and protection scheme enhancements
      • ​ Integration of new metering, monitoring, and communication systems​
    • Enclosure modification for improved IP rating or access​

  • Retrofit of Protection and Control Components​

    Our retrofit solutions upgrade obsolete or underperforming components with modern, efficient alternatives:​

    • Replacement of electromechanical relays with numerical relays (IEC 61850-compatible if required)​
    • Upgrade of circuit breakers (air circuit breakers (ACB), vacuum circuit breakers (VCB), SF₆ breakers) with new-generation models​
    • Integration of arc flash protection systems​
    • Retrofitting automatic transfer switches (ATS) and load shedding functionality

  • Breaker Retrofit Kits​

    We provide plug-and-play retrofit kits to replace aged breakers within existing panels without altering the switchgear structure. This includes:​

    • Custom retrofit adapters for OEM and non-OEM breakers​
    • Tested mechanical interlocks and racking mechanisms​
    • Electrical interface compatibility​

  • Life Extension and Reliability Improvements​

    We carry out:​

    • Thermal scanning and partial discharge analysis​
    • Insulation refurbishment or replacement​
    • Contact cleaning and silver plating​
    • Replacement of deteriorated cable terminations and busbar insulation sleeves​
    • Replacement of obsolete general components like auxiliary relays, fuses etc

  • Digitalization and Smart Retrofit​

    With a push toward digital substations and Industry 4.0, we also enable:​

    • Integration of SCADA/RTU/PLC systems​
    • Installation of IoT-based condition monitoring sensors​
    • Power quality analyzers and remote monitoring via web dashboards

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Contact Person

Nathan Bradley

General Manager- Sales