The stator currents of a three-phase AC or brushless DC electric motor are identified as two orthogonal components that can be seen using a vector in a process known as current vector drive, also known as field-oriented control (FOC).
The motor’s magnetic flux is determined by one component, and its torque by another. The drive’s control system uses the flux and torque references provided by the speed control to derive the relevant current component references.
The output of the PI current controllers’ stator voltage references define the transistor switching in the variable-frequency drive’s pulse-width modulation.
It was initially created for high-performance motor applications where smooth operation over the whole speed range, full torque generation at zero speed, and high dynamic performance, including rapid acceleration and deceleration, were required.
Due to the superiority of FOC’s motor size, cost, and power consumption reduction, it is also becoming more and more appealing for applications requiring lower performance.
Global current vector drive market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Closed-loop current vector drives from the SINAMICS G120 series provide high levels of integrated safety, energy efficiency, and network connectivity. This modular and scalable standard drive can be configured in a wide range of designs to meet a vast array of industrial drive applications.
It is available in three voltage variants for connection to 200, 400, and 690V with power ratings from 12 to 400 Hp (0.37 to 250 kW). In addition, the absence of a separate PLC is made possible by the integrated math and logic
The SINAMICS G120’s EN 60204 safety features, which include Safe Torque Off, Safe Stop 1, Safety Limited Speed, and Safe Brake Control, are fully incorporated into the drive.
As a result, industrial operations achieve higher levels of safety while integrating the drives into fail-safe, automated, and drive environments with less overhead. Additionally, the SINAMICS G120 vector drive adheres to NFPA 79-2007.
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