HAMAD ALI ALYAMI
COMPANY
FOR MAINTENANCE

We offer complete transformer solutions, from distribution transformers to power transformers up to 132 kV and above. Our services include:

• Supply and delivery of new transformers (dry-type and oil-immersed)
• Installation and commissioning
• Preventive and corrective maintenance
• Transformer oil testing and filtration
• Load assessment and replacement recommendations

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HAYCO offers specialized testing, repairing, overhauling and commissioning services for Power Transformers or Distribution Transformers ranging from 11 kV to 380 kV and up to 315 MVA capacity. Our expert team ensures the safety, performance, and reliability of your critical power assets-whether in operation, during commissioning, or after repairs. Testing Commissioning Services: Winding Resistance Measurement Transformer Turns Ratio (TTR) Test Insulation Resistance & Polarization Index Vector Group Verification No-Load & Load Loss Testing & Impedance Test Power Factor /Tan Delta Testing Partial Discharge Measurement SFRA Auxiliary Devices (WTI, Temperature/ Oil Gauges etc) Buchholz Relay Monitoring Devices

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From industrial facilities to utility stations, our electric motor services support critical operations:

We provide Comprehensive Annual Maintenance Contracts (AMC) and/or other periodic maintenance as per your requirements.

• Complete Substation Maintenance
• Transformers (Distribution and Power)
• Ring Main Units (Smart and Conventional)
• Relays (All types)
• Circuit Breakers (All ratings and manufacturers)
• CTs & VTs
• Generators/ Motors
• Installation of Power Equipments (Complete with Commissioning)
• Auxiliary Devices (WTI, Temperature / Oil Gauges etc)
• and Other related assets

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At HAYCO, we provide expert circuit breaker overhauling and complete overhauling and repair services for a wide range of voltages-115kV, 230kV, and 380kV. Ensuring the reliable operation of your electrical distribution and safety is our top priority. With years of experience and a highly skilled team, we offer quick and efficient services designed to extend the life of your circuit breakers and prevent costly downtime. Our Services Include: Circuit Breaker Overhauling: We thoroughly inspect, clean, and replace worn-out components of your circuit breakers to restore their full functionality. This process ensures that your circuit breakers continue to operate at peak efficiency and provide essential protection for your power systems. Circuit Breaker Repair: We provide reliable repairs for all types of circuit breakers across 115KV, 230KV, and 380KV applications. Whether it's a mechanical issue, electrical fault, or a component failure, our technicians are equipped to handle the repair swiftly and effectively.

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At HAYCO, we provide expert circuit breaker overhauling and complete overhauling and repair services for a wide range of voltages-We provide technical skilled manpower for all your electrical needs. Whether you're undertaking large-scale industrial projects, commercial installations, or residential electrical work, we offer a wide range of qualified Engineers, Technicians, and specialists to meet your staffing requirements. Our Services Include: • Engineers: Experienced engineers for project planning, system design, electrical testing, and quality control. They ensure that your projects adhere to industry standards and are completed efficiently. Technicians: Highly trained professionals with expertise in electrical wiring, installations, and troubleshooting. We supply technicians who can manage everything from basic electrical work to complex system installations. Skilled Personnel: We supply electricians, supervisors, safety officers, and other support staff as needed to ensure your project runs smoothly from start to finish.

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