It can be occurred due to poor wiring in the house or lightning strikes or faulty appliances or damaged power lines. In conclusion. ... strips divert all the extra electricity into the grounding wire of the outlet rather than sending it to the sofa’s motor. Electric Motor Repair Shop Problems and Solutions, Volume 3 Electric Motor Repair Shop Problems and Solutions Volume 2 by Samuel Heller (Author) See all formats and editions Hide other formats and editions. Reliance Electric Posted 1-10-05 Motor Maintenance - SCHEDULED ROUTINE CARE Introduction The key to minimizing motor problems is scheduled routine inspection and service. around the world. In order to reduce vibration, ensure that the motor is positioned on a flat, stable surface. https://homequicks.com/troubleshooting-electric-motor-problems-repairs LOGIN TO VIEW AND DOWNLOAD THE ARTICLE *FREE* shipping on qualifying offers. If vibration still occurs, check for signs of wear, as well as loose bearings or misalignment. The vast majority of bearing failures in electric motors and electric motor-driven equipment are due to mechanical and thermal causes. Possible Solution: Motors should be checked regularly for vibration, using a motor analysing tool such as the SKF EXP4000 Dynamic Motor Analyser. 1) Electrical surges . Here are some common electrical wiring problems and their solutions. Most electric motors in industrial equipment are three phase alternating current induction motors. Typically, electric vehicles are powered through the use of a costly DC motor. Electric Motor Problems. The frequency of routine service varies widely between applications. People want electric … Bearing Current Problems: Causes, Symptoms, and Solutions. To combat this problem, ECE 480 Team 9 utilized an inexpensive automotive alternator that replaced the DC motor, providing high efficiency and increased torque at wider ranges of speed. Mechanical resonance can lead to breakage of motor and drive compo­nents, and electrical resonance can result in winding failure. Electric Recliner Sofa Problems: Reasons and Solutions. Electric Motor Repair Shop Problems and Solutions, Volume 3 [Heller, Samuel] on Amazon.com. Price New from Used from Paperback, May 1, 1983 "Please retry" — $79.50: $69.50: Paperback from $69.50 This article presents a basic explanation of electric motor construction and operation along with eleven problems that can be encountered with their use. Electric recliner sofas can be a great addition to any living room. The problem today is that people do not like waiting, and it takes awhile to charge an electric car, not to mention planning trips. However, currents that flow through induction motor bearings can also create premature bearing failure. Induction is the creation of an electric current across a gap. 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