enquiries@protassist.com.au

Welcome to Prot Assist PTY LTD

PO BOX 333 Chirnside Park, Vic, 3116

1300 776 827

High Voltage Testing and Commissioning Services in Melbourne

Engineers performing final testing and commissioning of a new power plant

Ensure the safety, reliability, and peak performance of your electrical systems with ProT Assist’s high voltage (HV) testing and commissioning services in Melbourne. Designed for systems operating above 1,000 volts, our services are essential for new installations, routine maintenance, and post-repair inspections across industries including power generation, transmission, renewable energy, and heavy industrial facilities.

Partnering with a trusted provider like ProT Assist ensures precision, compliance, and peace of mind. Our Melbourne-based team delivers specialised high voltage testing, commissioning, and electrical diagnostics, safeguarding your equipment, personnel, and infrastructure.

Book Expert HV Testing Now

Strict Safety Rules for Every High Voltage Project

Safety is non-negotiable in all HV projects. We follow rigorous safety standards and industry best practices to protect our team, clients, and the public. Key safety measures include:

  • Regular safety training sessions and emergency drills
  • Compliance with local and international electrical safety standards
  • Provision and proper use of personal protective equipment (PPE)
  • Comprehensive risk assessments and hazard prevention measures
Our electrical engineer in hard hat performing high voltage testing with equipment at an electrical substation.

Why High Voltage Testing Matters

High voltage testing is critical to prevent system failures, mitigate electrical hazards, and extend the lifespan of your assets. By identifying issues early, our HV testing reduces maintenance costs, ensures regulatory compliance, and protects both your infrastructure and your team.

Our High Voltage Testing Services

ProT Assist offers a comprehensive range of HV testing and commissioning services for industrial, commercial, and utility sectors in Melbourne:

High Voltage Cable Testing

We perform Very Low Frequency (VLF) testing, partial discharge (PD) diagnostics, and Tan Delta testing to assess cable insulation, detect early faults, and prevent unexpected failures.

High Voltage Equipment Testing

On-site and mobile testing for insulated gloves, PPE, and safety equipment ensures your tools meet Australian safety standards.

Transformer Testing

Our transformer testing services include oil analysis (DGA), winding resistance measurement, and power factor testing, maintaining operational reliability and prolonging equipment life.

Switchgear and Substation Testing

We provide functional, performance, and compliance testing for circuit breakers, relays, switchgear, and complete substation systems to guarantee safe and uninterrupted operation.

Protection Relay Testing

Our services cover programming, calibration, and functional testing of protection relays, securing the integrity and safety of your electrical networks.

    Additional Electrical Safety Services

    Beyond high voltage systems, we offer essential electrical safety solutions for Melbourne businesses, construction sites, and rental properties:

    Electrical Safety Checks

    Mandatory inspections for rental properties, appliances, and fixed installations.

    Switchboard Testing

    Testing of RCDs, circuit breakers, and switchboards to maintain compliance.

    Test and Tag

    Routine testing and tagging of electrical equipment to prevent hazards.

    Our electrical engineer in safety gear commissioning high voltage equipment at a power substation.

    High Voltage Commissioning

    High Voltage Commissioning ensures your high voltage systems are installed and operating as designed. This involves key tests like insulation resistance checks and high voltage withstand tests to confirm safety and performance.

    By resolving problems before systems go live, commissioning boosts reliability, reduces downtime, and ensures compliance with strict standards.

    Our Melbourne commissioning services include:

    • System verification and validation
    • Functional performance assessments
    • Testing of protective relays
    • Calibration of instruments and meters

    By identifying and resolving issues before your system goes live, commissioning improves reliability, reduces downtime, and ensures compliance with stringent standards.

    Why Choose ProT Assist in Melbourne?

    ProT Assist is a leading provider of high voltage testing, commissioning, and electrical diagnostics. Serving power, industrial, and commercial sectors, we combine advanced testing equipment, innovative diagnostic tools, and proven methodologies to keep your systems operating efficiently and safely.

    What We Offer

    We provide tailored testing and commissioning solutions to meet the unique requirements of each project. From predictive maintenance assessments to advanced diagnostics, we help you:

    • Detect potential weaknesses early
    • Ensure compliance with Australian electrical regulations
    • Optimise performance and extend the lifespan of electrical assets

    ProT Assist electrician working in a switchboard with fusesCommitment Beyond Testing and Commissioning

    At ProT Assist, our commitment extends beyond high voltage testing and commissioning. We provide ongoing support, technical guidance, and expert advice to ensure your systems operate safely and independently after our services.

    Our team is dedicated to delivering comprehensive solutions, answering queries, and addressing challenges, making us a trusted partner for Melbourne’s power and electrical industries.

    Get In Touch with ProT Assist Today!

    Choose ProT Assist as your trusted partner for high voltage testing, commissioning, and electrical support in Melbourne. Experience the difference that expertise, precision, and dedication make to your electrical infrastructure.

    Call us at 1300 776 827 or email enquiries@protassist.com.au.

    Our Testimonials

    What

    Clients Say

    Downer Group currently engage Protassist to carryout high voltage testing and commissioning services working on Distribution and Transmission projects. Protassist has a proven capability to service Greenfield and Brownfield projects, ranging from minor works to large scale complex power industry works up to 500kV. Protassist core expertise is secondary testing services of High Voltage plant including, but not limited to: Power Transformers, Indoor Switchgear, Outdoor Circuit Breakers, Current Transformers and Voltage Transformers, as well as various protection and control schemes including SCADA.

    Senior Construction Manager – UT External Electrical Stations

    Russell Pearson

    "I have worked with Prot Assist and Sudesh across transmission and distribution projects in Victoria and have always received exemplary service. Prot Assist's commitment to quality outcomes and attention to detail is clear in their work. Their experience in high voltage protection and control schemes is welcome and hard to find. I would recommend their services to anyone in the power transmission or distribution sector.”

    Commissioning Engineer
    Major Projects
    Ausnet Services

    Rod Powell

    Prot Assist Pty Ltd acted on all matters very professionally. Jobs were executed in line with agreed timelines. All required paperwork was attended to promptly as requested.

    Energy Assist Group

    Dolf Van Gaalen

    Frequently Asked Questions: HV Commissioning and Testing

    What is the difference between commissioning and testing?
    High voltage testing focuses specifically on verifying the insulation integrity and performance of individual electrical components by applying controlled high voltage stresses to detect defects and ensure safety before use. In contrast, high voltage commissioning is a broader process that includes testing but also involves inspecting, integrating, and validating the entire electrical system or installation to confirm that all parts function together correctly and safely under real operating conditions, ultimately ensuring the system is ready for reliable service.
    What is considered high voltage testing?
    High voltage testing is a process used to evaluate the insulation strength and overall durability of electrical equipment and components by applying voltages significantly higher than their normal operating levels. This testing ensures that devices such as transformers, cables, switchgear, and insulators can withstand electrical stresses without breakdown, failure, or safety hazards. By subjecting equipment to controlled high voltage conditions, engineers can detect weaknesses in insulation, verify compliance with safety standards, and prevent potential faults like short circuits or arcing during actual operation. High voltage testing is essential for confirming the reliability and safety of electrical systems in power generation, transmission, and distribution.
    When should high voltage testing be performed?
    High voltage testing is done during installation, after any repair, or before new systems go live. It’s also part of routine maintenance to spot insulation wear early and prevent costly outages.
    What industries require high voltage testing and commissioning?
    Industries such as power generation, transmission and distribution utilities, manufacturing plants, data centers, renewable energy (solar and wind), and heavy industrial facilities commonly require high voltage testing and commissioning services.
    How often should high voltage equipment be tested?
    Testing is advised every one to three years. The exact timing depends on conditions, environment, and manufacturer advice. Regular checks help find insulation aging and avoid sudden failures.
    What are common issues found during high voltage testing?
    Common problems include insulation damage, moisture entry, partial discharge, and weak terminations. Heat or stress can also cause wear. Early detection keeps equipment safe and power steady.
    What are the costs involved in high voltage testing and commissioning?
    Costs vary by voltage level, number of units, test type, and site setup. You can request a custom quote tailored to your project’s needs and schedule with us.