Electric Transmission & Substation in 69kV Line Relay Upgrade
The 69 kV line protection provided by various electromechanical relays was beginning to fail resulting in several unexpected and unacceptable outages. They enlisted ENTRUST Solutions Group to design
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Beyond the Relay Protection Upgrade Program
Taking advantage of features and capabilities that modern multifunction relays can provide, such as faster tripping, greater sensitivity, and improved security, PNM decided to include the following
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Substation and Protection & Controls Engineering
GAI''s capabilities in substation analysis and design include site selection and development, equipment selection and physical layout, as well as protective relaying and controls. Our start-to-finish
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Poplar Bluff substation upgrade
Barr designed new temporary and permanent relay panels to replace outdated protection and controls and upgrade the remote terminal unit (RTU) and metering equipment in the Poplar Bluff Substation.
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Protection System Design and Relay Upgrade
With a proven track record of more than 20 successful relay upgrade projects across North America, our team brings deep technical expertise and attention to detail to every project.
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Project Overview | Transmission and Substations
Relay firmware changes can impact many components within a protection and control system. This research develops an application guide for utilities to manage relay firmware changes effectively,
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115/25kV Substation Relay and Control Design Upgrades
The 115/25kV substation upgrade project involved replacing and modifying protection and control equipment, including replacing 115/25kV Transformer Protection with the new SEL relays.
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Utility Substation Protection System Modernization
We designed and implemented a comprehensive protection system modernization using microprocessor-based relays with IEC 61850 communications. Our approach maintained protection
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Substation Engineering
Our technical team has the experience and capability necessary to design new and retrofit substations integrating new and legacy technologies for cost-effective solutions.
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Relay Assessment DFD Line Relay Upgrade
We also provided technical instruction to site electrical engineers, relay technicians, and system operators to provide an understanding of the system limitations and purpose of the newly installed
View moreLaser Diodes & VCSEL
High-power CW/pulsed laser diodes (808nm–1550nm) and VCSEL arrays for 3D sensing, LIDAR, and optical interconnects.
Silicon Photonics & CPO
Co-packaged optics engines, silicon photonics ICs, and optical I/O solutions for high-density switches and AI clusters.
Optical Transceivers & AOCs
400G/800G QSFP-DD/OSFP modules, active optical cables, and custom optical engines for data center interconnects.
Laser Drivers & CDR
Low-jitter laser drivers, integrated CDR circuits, and linear TIAs for coherent optics and short-reach links.