Variable Frequency Drives (VFDs) are widely used industrial devices designed to control the speed and torque of electric motors by regulating the frequency and voltage supplied to the motor.

A typical VFD consists of rectification, DC link, and inverter stages, and may incorporate transformers for voltage adaptation, electrical isolation, or auxiliary power supply functions. These transformers support stable operation across different input voltage conditions and enhance system safety and reliability.

Many industrial and laboratory instruments require highly stable and precise voltage and current inputs to ensure accurate measurement and testing results. Transformers are used to provide voltage stabilization, electrical isolation, and noise reduction, thereby delivering a clean and reliable power source for sensitive instrumentation.

A wide range of industrial installations depend on stable and reliable power supplies. Transformers play a critical role by providing consistent voltage levels required by industrial equipment. In sectors such as metallurgy, chemical processing, and power generation, transformers are extensively used in industrial power supply systems.

Within industrial control systems, common-mode chokes are widely applied for power line filtering. They suppress common-mode interference conducted along power cables, improving electromagnetic compatibility (EMC) and ensuring stable system operation. Amorphous and nanocrystalline core transformers are increasingly used in industrial power distribution systems due to their high efficiency and low core losses, contributing to reduced energy consumption and improved system performance.

In industrial motor control systems, transformers are used for voltage adaptation and electrical isolation to meet motor operating requirements. They support safe and flexible power delivery across various motor ratings and control architectures.

Inductors and common-mode inductors are applied in motor drive circuits to improve power quality and system efficiency. By limiting inrush current during motor start-up and smoothing current fluctuations during operation, these components reduce electrical stress on both the motor and the power grid, enhancing system reliability and operational stability.