Testing and Commissioning

From outage planning to energization, we deliver cost-effective solutions to safely put your equipment in service.

Mitigate risk, maintain reliability and ensure safety through testing & commissioning Testing and commissioning services ensure your equipment and systems are safe and meet critical standards and specifications through the lifecycle of your project.

Proper testing and commissioning of equipment and systems is critical to maintaining reliability for your customers. Through experience, training, commitment and active participation in industry organizations, PACS is one of the premier national providers of testing and commissioning solutions in the country. Our engineers and technicians undergo extensive in-house training.

We follow well-documented testing and commissioning procedures and guidelines to ensure safe and thorough planning and testing, so you can manage risk and safeguard ongoing operations.

Regardless of project size and complexity, our team is fully committed to exceeding your expectations for quality, schedule and cost. The experts assigned to your project work not just for you as a sub-contractor, but with you as an extension of your staff. This relationship ensures that when questions or discrepancies arise, they are addressed promptly and resolved with the expediency that you receive from your own employees. 

Our testing and commissioning experience includes: 

  • Startup and Commissioning of New Equipment and Systems (Greenfield and Energized sites)
  • Troubleshooting, Analysis and Evaluation of In- Service Equipment and Systems
  • Protective Relay Testing
  • High Voltage Apparatus Testing
  • Outage and Energization Planning
  • Oversight and Supervision
  • Customized Training Programs

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Protection and Controls

Design, engineering and compliance solutions for critical, high-risk substation and system protection challenges from a partner you can trust.

Modernize your infrastructure and operations. Safeguard reliability. 

As utilities continue to invest in system upgrades to support reliability and resiliency, substation modernization efforts that include robust protection and controls and high-tech automation functionality is essential. However, as the trend toward outsourcing engineering capabilities also continues, you need a partner you can rely on to successfully complete these critical and often highrisk projects.

From conceptual design through final commissioning, PACS provides turnkey solutions for all your substation and system protection challenges.

We work as an extension of your own staff to support standards development, new substation installations and additions or modifications to existing stations and systems. Our engineers are well versed in our clients’ standards and preferred practices, facilitating efficient project start up, smooth project execution and high-quality results.

We deliver support at any level to match your unique needs and team structure. From strictly design services, to full Engineering, Procurement and Construction support and Owner’s Engineering solutions, you can rely on PACS to help you achieve your goals. 

Our Protection and Controls and System Protection Experience Includes: 
    • Application Analysis
    • Kahramaa Approved P1, P2 and P3 License holders
    • Protection and Control Equipment Specification and Procurement
    • Design Documents and Calculations
    • Facility and Compliance Studies
    • Fault Analysis and Coordination Studies
    • Detailed Schematics
    • Detailed Wiring and Cable Design
    • Relay and Control Cabinet Design
    • Protective Relay Settings
    • Settings Calculations and Studies
    • Short Circuit Analysis and Modeling
    • Substation Automation, Integration and Communications
    • Smart Grid Applications
    • IEC 61850 Applications
    • Distributed Generation Impact Studies
    • Quality Control Services
    • Program Management
    • Owner’s Engineer
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Modern protection and control systems using the latest communication technology and protocols to deliver reliable, cost-effective solutions. 

Industry leading automation and communications engineering expertise. 

PACS has extensive experience designing, implementing and commissioning automation and integration systems into new substations as well as retrofitting existing sites. We have provided substation automation for many clients in distribution and transmission as well as hydro, wind and nuclear generation sectors.

The automation and communications engineering team designs and configures integrated, multi-vendor systems of any scale using RTU’s, HMI’s, PLC’s, data concentrators, relays and more.

Our Services Include: 

  • Systems Integration
  • Clearly-defined Specifications
  • Documentation of Existing Systems
  • Modification and Upgrade of Existing Systems
  • Design and Integration
  • Standards and Technical Manual Development
  • Design, Installation and Commissioning of:
    • Protection and Control Systems
    • Automation and Communication Systems
    • Data Concentrators, Multiplexers, RTUs, PLCs, HMIs, Annunciators and other Automation/Communication Equipment 
    • Network and Physical Security (NERC CIP) 
  • Inter/Intra-substation Communications:
    • IEC 61850, TCP/IP, DNP 3.0, FTP, & SEL Mirrored Bits 
    • MODBUS, Profibus, Conitel, Landis & Gyr 8979, etc.
    • Microwave Radio Systems
    • RF Systems (Licensed and Unlicensed)
    • Fiber Optic/SONET Systems
    • HMI/GUI Designs 
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Power System Studies

Planning analyses and impact studies for investor owned utilities, merchant power plant developers, independent system operators and commercial/ industrial facilities.

Helping you make smart decisions about your power system. 

Evolving regulatory, environmental and system security requirements are changing the utility landscape, adding new levels of complexity for system operators. Timely planning and thoughtful system assessments are critical to managing electrical utility infrastructure.

With an experienced professional staff, PACS provides knowledgeable, in-depth analyses of complex issues related to the electric delivery system and the technical requirements of distribution providers, transmission owners, independent system operators and regional reliability councils. We have experience working with, and within, many operating areas throughout the country, helping us to be able to quickly modify processes and procedures to meet each individual client’s objectives.

Our work includes rigorous assessment designed to ensure that new generation added to a region’s transmission and distribution systems will not have an adverse impact on system reliability and operating characteristics. 

Our services include: 
  • Feasibility and system impact studies
  • Other studies as required
  • Support for power system relaying, conceptual design and operation
  • Steady state, dynamic and short-circuit studies for all voltage levels
  • Model development
  • Short term and long-term analysis
  • Alternative assessments
  • Cost estimates
  • Load and generation additions for both transmission and distribution
  • Transmission and distribution upgrades

    We use state-of-the-art software and modeling techniques to address steady state as well as transient and dynamic system simulations including ETAP
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Switchgear and transformer testing


Transformer testing and switchgear testing are both critical procedures in ensuring the proper functioning and safety of electrical systems.

Transformer testing involves a range of different tests that can be performed on transformers, including:

Ratio tests: This test measures the turns ratio of the transformer to ensure that it is within acceptable limits.

Polarity tests: This test checks that the transformer's polarity is correct, which is essential for proper phase relationship between the primary and secondary sides of the transformer.

Insulation resistance tests: This test checks the insulation resistance of the transformer windings to ensure that they are not deteriorating.

Power factor tests: This test measures the power factor of the transformer and can indicate the presence of any faults in the transformer.

Switchgear Testing

Switchgear testing, on the other hand, involves testing the various components of the switchgear, such as the circuit breakers, disconnect switches, and protective relays. The testing typically includes:

Contact resistance tests: This test checks the contact resistance of the circuit breaker contacts to ensure proper electrical continuity.

Insulation tests: This test checks the insulation resistance of the switchgear to ensure that it is not deteriorating.

Operation tests: This test involves operating the circuit breakers and disconnect switches to ensure that they are functioning properly and within acceptable time limits.

Protective relay testing: This test verifies the proper functioning of the protective relays that are installed in the switchgear to detect and isolate faults in the system.

Both transformer and switchgear testing should be performed regularly to ensure the safe and reliable operation of electrical systems. It is important to follow the manufacturer's recommendations for testing and maintenance and to work with qualified professionals who have experience in these types of tests.

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Power generation protection is an important aspect of ensuring the safe and reliable operation of power generation systems. The main objective of power generation protection is to detect and isolate faults or abnormal operating conditions in the power generation system, and to take appropriate corrective action to minimize the risk of damage to equipment, personnel, or the environment.

The protection systems for power generation are typically designed to provide protection against the following types of faults:

Overcurrent: This occurs when the current in a circuit exceeds its rated value. Overcurrent protection is provided by protective relays that detect the overcurrent condition and trip the circuit breaker to isolate the faulty circuit.

Overvoltage: This occurs when the voltage in a circuit exceeds its rated value. Overvoltage protection is provided by surge suppressors that protect the equipment from transient voltage surges.

Underfrequency: This occurs when the frequency of the power system drops below a certain threshold value. Underfrequency protection is provided by protective relays that detect the underfrequency condition and trip the circuit breaker to isolate the faulty circuit.

Over frequency: This occurs when the frequency of the power system exceeds a certain threshold value. Overfrequency protection is provided by protective relays that detect the over-frequency condition and trip the circuit breaker to isolate the faulty circuit.

Differential protection: This type of protection is used to protect transformers and generators from internal faults by comparing the currents on the primary and secondary sides of the equipment. Differential protection is provided by protective relays that detect the fault condition and trip the circuit breaker to isolate the faulty circuit.

Ground fault protection: This type of protection is used to detect and isolate ground faults in the power system. Ground fault protection is provided by protective relays that detect the ground fault condition and trip the circuit breaker to isolate the faulty circuit.

It is important to ensure that the protection systems for power generation are designed, installed, and maintained according to industry standards and best practices. Regular testing and maintenance of the protection systems can help to ensure that they are functioning properly and providing adequate protection for the power generation system.

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About us: Protection Automation & Control services (PACS) is a specialist in power system protection, Control and Automation systems, operating from State of Qatar. Most of our clients are Utilities, Industries, Service providers and Commercial establishments ranging from Extra high voltage to Low voltage applications. We are dedicated to help our clients to successfully meet the challenges they face in the electricity network. Regardless of the role we undertake in project execution, it is our goal to ensure full satisfaction of our Clients.



  • Integrity : We do the right thing regardless of the consequences.
  • Pursuit of Excellence : We continually strive to exceed the expectations of our people and our clients.
  • Accountability : We take responsibility for individual and collective actions.
  • Collaboration : We work together to achieve collective and individual goals.
  • Passion : Our energy and enthusiasm are contagious. We are inspired to make a lasting impact.

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