WLK Series delivers advanced microprocessor-based excitation control for synchronous motors, ensuring precise and reliable operation across a broad power spectrum. It drives critical industrial equipment such as compressors, ball mills, blowers, pumps, and refrigeration systems in sectors from manufacturing to utilities. Designed for demanding environments, the series offers high reliability with options including standard, hot-swappable dual-system, and explosion-proof configurations—all supporting seamless integration into diverse operational setups. With robust protection features and stable performance under voltage fluctuations, it maintains continuous motor control in challenging grid conditions. The explosion-proof models carry certifications such as Ex e II Gc and Ex e mb II T3 Gc, enabling safe use in hazardous settings like chemical plants and mining areas with combustible dust. WLK is the trusted solution for both standard and high-risk industrial applications worldwide.

Your Benefits

Unmatched Stability and Precision

WLK series utilize a 32-bit DSP control system, delivering high sampling accuracy and rapid response.

Adaptive Control and Rapid Dynamics

Integrated adaptive intelligence automatically selects optimal control strategies based on real-time conditions, reducing manual intervention. With a ≤0.02s response delay, the system maintains dynamic stability during load or grid variations.

High Availability and Redundancy

Critical models feature a dual-processor system with under 6ms fault switchover, eliminating unplanned downtime. Hot-swappable components enable maintenance without interruption, supported by self-diagnosis and automated recovery.

Proven Longevity and EMC Robustness

Documented systems operate flawlessly for up to 29 years (brush type) and 15 years (brushless). Compliant with IEC standards, the design ensures high EMC performance, minimal interference, and reliable data integrity.

WLKF Series delivers advanced microprocessor-based excitation control for synchronous generators across hydro, steam turbine, and diesel applications. Supporting static, brushless, and SCR excitation methods, the systems ensure precise voltage regulation and seamless transition between standalone and grid-connected operation. Designed for reliability, the series includes both single-cabinet and fully redundant dual-channel configurations with hot-standby capability, enabling continuous operation under demanding conditions. Compact and unified designs are available for space-constrained installations, while rugged architectures support generators from small-scale units up to large industrial capacities. Suitable for a wide range of power generation environments—from compact plants to major grid-tied facilities—WLKF systems provide adaptable, maintenance-friendly solutions that ensure stable generator performance and secure grid integration.

Your Benefits

Reduced Operating Costs

Dual-system redundancy, hot-swappable parts, and under-6ms switchover cut unplanned downtime. Self-diagnosis speeds up troubleshooting and lowers skill demands. Contactless de-excitation prevents overvoltage damage, extending motor life and reducing repair costs.

Safety in Hazardous Areas

WLK-WS3 includes an IEC-certified explosion-proof rotating control module, protecting personnel and equipment in flammable or dusty settings.

Future-Ready Design

Modular and scalable architecture allows easy expansion and Industry 4.0 upgrades. Global brand compatibility simplifies integration and procurement.

Efficient Performance

Accurate power factor regulation avoids grid penalties. Soft-start and matched excitation reduce mechanical stress, extending equipment life.

Intuitive Operation

A 10-inch touchscreen (dual on S3/WS3) shows real-time data, trends, and alarms for proactive control and informed decisions.