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By shielding bearings from circulating current and reducing voltage that builds up on the motor shaft and travels through the bearings and into other delicate motor components, a shaft grounding device avoids damage to bearings.
Shaft groundings prevent the energy from harming delicate motor components. These devices offer a safer path to the ground by diverting electrical current away from delicate motor components with low resistance, such as motor bearings.
A motor’s shaft is a cylindrical part that protrudes from the motor and housing. The shaft’s function is to transfer energy from the motor to the intended use. Operating in relation to speed and torque are precision pins and shafts.
Installation of a VFD can have repercussions that, if not adequately handled, could harm the motor by influencing its frequency. Shaft grounding rings are a common type of mitigation (SGR). Although they are not always necessary, shaft grounding rings are frequently employed.
In addition to safeguarding humans, grounding is essential for the proper operation of electrical systems, whether they are used for electricity or electronics. System grounding assists in finding and fixing ground issues. Ground-fault current has a return path thanks to equipment grounding. Electrical conductivity and continuity are maintained through bonding.
The Global Shaft Grounding motors market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The AEGIS Shaft Grounding Ring Option Code VC588 is now available from ABB for IEC Motors.
In order to lessen the impacts of bearing currents, ABB’s new Variant Code for IEC Low Voltage Motors (VC588) instals AEGIS® Shaft Grounding Rings inside the motors. ABB has discussed the subject of bearing current in a number of articles.
Installing an AEGIS Shaft Grounding Ring that conducts the current to ground via the ring, rather than through the bearing, is a significant new option for motors in IEC frame sizes 132 to 250. This safeguards both the motor and the entire system. When ordering new motors, the ring can be pre-installed by using the variation code VC588. You might even have it modified on-site.
All sizes of motors may accommodate the installation of AEGIS Shaft Grounding Rings.