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Engineering Services

Electrical Network Studies

Power system planning, design, operation, and expansion require careful studies to evaluate the system design, performance, safety, efficiency, reliability, and economics under various complex scenarios. Find our extensive range of network studies.

  • Power System Studies
  • Protection System Studies
  • System Design & Impact Studies
  • Transmission Planning
  • Grid Impact & Compliance
  • Earthing System Design
  • Generator Studies
  • Cable Sizing
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Substation Engineering

From protection to control systems, we bring expertise and experiences spanning LV to 500kV for your projects. Whether it’s protection schemes, detailed calculations, equipment specifications, or layout drawings, we offer a holistic solution for substation engineering, addressing mechanical and electrical design intricacies, equipment specifications, sizing, and details.

  • Secondary Design & Engineering
  • Primary Design & Engineering
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Retrofit Design & Engineering

With the rise of complex energy needs, the demand for advanced protection IEDs is soaring, and EPESYS leads the way in seamlessly integrating these innovations with existing systems. Our success lies in a deep understanding of both legacy and state-of-the-art systems, honed through decades of retrofit design experience. From upgrading electromechanical protections to retrofitting IEC 61850, we cover the entire spectrum. Our comprehensive services, spanning SLD & schematic updates, I/O matching, characteristic alignment, layout and GA replacement, cable schedules, and interface engineering, ensure a smooth transition without the need for a complete system overhaul.
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Power & Infrastructure Automation

With the increasing availability of granular node-end data for machines and IEDs, the demand for complex automation is on the rise. This has become achievable through the adoption of standardizations such as IEC 61850, DNP3, MODBUS, IEC 60870-5, ICCP/TASE.2, IEEE C37.118, and others. EPESYS brings extensive experience and expertise to meet your automation needs. We offer automation designs in following domains:
  • Digital Substation
  • Substation Automation
  • Enhanced Automation
  • Infrastructure Automation
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Field Services

Secondary Testing

We provide premium testing services for secondary equipment. Our dedicated team, with over two decades of domain experience, specializes in power system protection, control, and automation for Low Voltage (LV) to 500 kV Extra High Voltage (EHV) power systems. With our vast test tools base, we provide high quality testing of all protection relays (from generator to feeder), auxiliary relays, energy meters, transducers, AVR Control, Excitation Systems, Fault & Event Recording Systems, PLC Systems, and 3Φ Inverters and Soft Starters. Our global impact spans 16 countries across 3 continents, delivering high-performance standards for our clients.
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Primary Testing

EPESYS offers comprehensive end-to-end testing services for your primary assets. Our dedicated team, with over two decades of domain experience, specializes in power system protection, control, and automation for Low Voltage (LV) to 500 kV Extra High Voltage (EHV) power systems. With an extensive array of cutting-edge tools, we provide a one-stop testing experience for you and your clients.
  • Generator / Rotating Machines
  • Power Transformers
  • Motors
  • Instrument Transformers
  • Gas / Air Insulated Switchgear
  • Power Cables
  • Earthing Systems
  • Transformer Oil
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Commissioning Services

A part from Testing Services, EPESYS specializes in premium and exclusive commissioning services for secondary equipment or complete protection panels and switchgear for power transformers, generators, motors, and advanced Asset Monitoring equipment, including transformer DGA and thermal visual monitoring. With a distinguished two-decade domain experience, our global impact spans 17 countries across three continents. Wherever you are, count on EPESYS to deliver the high-performance standards you’re known for.
  • Secondary Equipment
  • Primary Equipment
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Find More About Our Journey of Decades

We have so many success stories to tell, spanning 17 countries and 3 continents.
List of Projects
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