Power Systems Protection and Control

CSE W Arthur Fisher provides advanced protection and control solutions that safeguard critical infrastructure, improve system reliability and extend asset life.

Leading Technology for Safe, Reliable and Innovative Energy Solutions

CSE W Arthur Fisher leads the way in the design, integration and maintenance of advanced energy systems for critical industries across New Zealand. With deep expertise in protection and control, we deliver integrated solutions that combine multiple technologies to enhance performance, safety and operational efficiency.

Our tailored systems include protection relays and substation automation and control components—each selected to meet specific functional and environmental requirements. Backed by decades of experience and strategic partnerships with GE Vernova and G&W Electric, we provide complete support from design through to implementation and ongoing service.

CSE W Arthur Fisher engineer checks the performance of a protection relay applied on a substation

Protection Relays

CSE W Arthur Fisher offers a comprehensive range of protective devices engineered for reliable asset monitoring and system protection. Designed to meet the demands of applications such as generators, motors and transmission lines, our protection relays deliver high-speed, customisable functionality and seamless integration into new or existing power networks.

New Zealand utilities electrical substation at dusk.

Substation Automation and Control

Our automation and control solutions feature modular, scalable hardware and software designed for secure, high-capacity performance in substation environments. These systems simplify deployment and maintenance while enabling smarter, more resilient power grids.