theycomeincontactwiththemotorwiring. Groundfaultprotectivedevicesdonotnecessarilyoperate properlywithACdrives.Normallyoccurringhighfrequency groundleakagecurrentscancausenuisancetripping.When usingsuchdevices,checktheirperformancewhilethedrive isoperatingduringcommissioning. TheACS300shouldbeconnectedonlytoagrounded powersyste...
However, after an introduction to the topic, if you need more information, we have plenty of other articles that explain the ins and outs of working with electric motors and drives. Comparing Single-Phase and Three-Phase Motors 3-phase Motor Types: Synchronous and Induction Motors Common Motor...
VFDs are the best way to control your motor, but they come with challenges. PWM drives have a digital output that stresses the motor windings and bearings. Newer inverter-rated motors use wire designed to handle the high voltages that drives can create. You also can help protect your motors ...
even if they don’t have to. This will result in consuming a significant chunk of power. So, in such cases, using a VFD control panel is a good choice. How does using this control panel be of help?
Q8:How does your factory control the quality?A8:Quality is priority, we always attach importance to quality control from the beginning to the end of production, every product will be fully assembled and carefully tested before packing and shipping.Q9: Can the inverter con...
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Setting the VFD’s speed and run command is more about how one chooses to run the motor and less about whether or not they want the motor to run. Most manufacturers default their drives to operate from digital and analog inputs. Contacts and relays are fed to the drive to enact the dri...
drives a permanent magnet, which spins inside a copper cup attached to the needle on the tach’s face. Eddy currents induced in the cup by the spinning magnet create a torque that turns the needle against the force of a hairspring. Pretty simple — but how to put the instrument to work...
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Table 1: These are dependencies to consider when evaluating electronically commutated motors and variable frequency drives. Courtesy: Yaskawa America Inc. ECMs are typically programmed for a single purpose at the factory, while VFDs can be programmed at any time to do whatever job is required. Also...