Technical Architecture & Functional Positioning
The UFC718AE101 serves as a critical interface in the power conversion layer of medium voltage drive systems, positioned between the digital control processor and the high-voltage inverter stack. In ACS1000 architectures, it translates low-level logic signals into isolated gate drive commands for power semiconductors, typically IGCTs or IGBTs, ensuring precise switching while maintaining galvanic separation. This role is essential for preventing voltage transients from propagating back to sensitive control electronics.
Core technologies include high-voltage optical isolation for each channel, which eliminates ground loops and withstands common-mode stresses in MV environments. Fiber-optic transmitters and receivers provide noise-immune signal transmission over short distances within the drive cabinet, with propagation delays minimized to support high switching frequencies. Built-in fault feedback circuits monitor gate drive status and report anomalies like short circuits or overcurrents back to the controller.
These design elements address real-world challenges in high-power applications: robust isolation protects against electrical faults that could cascade into drive trips, fast signal fidelity enables efficient PWM modulation for reduced harmonics, and modular construction facilitates maintenance without full system disassembly. In industries handling megawatt loads, this contributes to higher system availability and reduced harmonic distortion, directly impacting energy efficiency and compliance with grid codes.
Typical Application Scenarios
- Deployed in water pumping stations with ACS1000 drives, interfacing control signals to inverter stacks for variable speed operation in large centrifugal pumps.
- Used in mining ventilation fans, providing isolated gate drives for reliable torque control in dusty and high-altitude conditions.
- Serves as replacement in legacy ACS1000 installations during life extension projects, maintaining compatibility with existing power electronics.
- Integrated in steel mill auxiliary drives, ensuring precise synchronization and protection in regenerative braking scenarios.
- Applied in oil pipeline compressors, supporting soft starting and speed regulation for gas turbine-driven units.
- Facilitates upgrades in cement raw mill drives, enhancing fault tolerance through isolated feedback paths.
Quality Standards & Testing Procedures
In medium voltage drives, an interface board failure can interrupt power conversion, leading to production losses or safety risks from uncontrolled motor behavior. Our quality process prioritizes isolation integrity and signal reliability, drawing from extensive experience with ABB MV systems to deliver parts that integrate seamlessly.
Each UFC718AE101 undergoes a structured protocol in facilities equipped with ACS1000-compatible test setups, performed by technicians versed in power electronics.

BRAD HARRISON 41693 NSFP 41693
1 NIB BRAD HARRISON 803N802 8 PORT INTERCONNECT SYSTEM
1 NIB BRAD HARRISON 803P802 INTERCONNECT SYSTEM 8-PORT
BRAD HARRISON 43062 USPP 43062
Brad Harrison 8 port Junction Box w Home Run Connector
BRAD HARRISON 114030A38M150 NSPP 114030A38M150
BRAD HARRISON 208000A01F200 NSPP 208000A01F200
BRAD HARRISON 208002A01F200 NSPP 208002A01F200
BRAD HARRISON 846351063 NSPP 846351063
BRAD HARRISON 3R1004A20A120 NSFP 3R1004A20A120
BRAD HARRISON 706001D02F400 NSFP 706001D02F400
BRAD HARRISON 774030C04F200 NSFP 774030C04F200
BRAD HARRISON 803P402 USPP 803P402
Brad Harrison 050426B Connector NEW-NO BOX Free Ship
Brad Harrison 409P401 Interconnect System USED
BRAD HARRISON 32911 USPP 32911
Brad Harrison 116020A01F200 Cordset NEW Free Ship






