High Resistance Earth Faults
Listening to Utilities, Delivering Breakthrough Protection
In developing the L700, Applied IQ placed a strong focus on understanding the real-world challenges faced by utilities. Through a series of voice-of-customer interviews, it became clear that beyond reliability and accuracy, there was a critical need for effective detection of broken and downed conductors—faults often associated with high resistance to earth. Traditional protection devices consistently failed to detect these scenarios. In response, the AIQ team engineered the INSIGHT S700, a high-impedance earth fault relay equipped with advanced algorithms capable of detecting faults with resistances exceeding 10kΩ. This innovation reflects AIQ’s customer-driven approach and commitment to solving the industry’s most pressing protection challenges.
Turning Utility Challenges into Intelligent Protection Solutions
Applied IQ (AIQ) is a customer-focused solutions provider committed to advancing electrical protection technology. In developing the L700, AIQ engaged directly with utility companies to understand their most critical needs—chief among them, the reliable detection of broken and downed conductors. These conversations revealed a persistent challenge: standard protection equipment fails to identify high resistance earth faults, a common signature of such events. Rising to the occasion, AIQ’s engineering team designed the INSIGHT S700, a high impedance earth fault relay embedded with advanced detection algorithms. Capable of identifying faults with resistances beyond 10kΩ, the S700 is a testament to AIQ’s ability to transform customer insight into robust, field-ready innovation.
Why Detecting High Resistance Earth Faults Matters
How Applied IQ Delivers the Solution
>10,000 Ω Fault Detection
Detects high resistance earth faults beyond 10kΩ—well above industry standard thresholds.
Up to 60% Faster Fault Identification
Reduces detection and response time, enhancing network reliability and safety.
Trusted by Leading Utilities
Developed with direct input from utilities during L700 development—field-proven and operator-validated.
