ELC-PEO
Reliable Excitation Control & Performance Enhancement
Aging electric-hydraulic load regulators in DC locomotives are unreliable, difficult to maintain, and lack modern diagnostics. The ELC-PEO (Electronic Load Controller – Performance Enhanced Option) is an advanced excitation control system designed to replace old load regulators, enhancing locomotive reliability, tractive effort, and operational efficiency.
Built on the ZTR FLEX Platform, ELC-PEO allows for future system upgrades, ensuring scalability and adaptability to evolving locomotive needs.
Why ELC-PEO?
Traditional load regulators present high maintenance costs, performance inefficiencies, and limited adaptability. ELC-PEO provides a modern, flexible, and cost-effective alternative with:
With ELC-PEO, locomotives gain improved efficiency, better reliability, and reduced long-term operational costs.
Short-term current regulation protects traction motors and main generators from overloads.
Adaptive horsepower regulation optimizes traction motor current based on throttle position.
Enhances wheel slip control through intelligent sanding and real-time excitation adjustments.
Web-based diagnostics with real-time logging and event tracking, no software installation required.
Supports future control system upgrades without requiring a full system overhaul.
Solid-state technology eliminates the need for hydraulic regulators, reducing maintenance and improving durability.
Key Features
ELC-PEO integrates intelligent excitation control, diagnostics, and protection into a single scalable solution.
- Short-term current regulation prevents overloading of traction motors and main generators.
- Voltage and current fault protection ensures continuous safe operation.
- Adaptive horsepower regulation adjusts traction motor current based on throttle position.
- Intelligent sanding control improves wheel slip performance, ensuring optimal adhesion in all conditions.
- Integrated diagnostics and event logging, accessible via web browser—no software installation required.
- Real-time performance monitoring, allowing for faster troubleshooting and system adjustments.
- Designed to support future upgrades, ensuring compatibility with evolving locomotive control systems.
- Easily expandable without requiring system-wide hardware replacements.
Take the Next Step
Upgrade your locomotive with ELC-PEO—the smart, scalable, and cost-effective excitation control solution.
