Operation and Maintenance of Electric Motor

Operation And Maintenance Of Electric Motor | The article is completely covered about the electric motor maintenance. so, read carefully without skip any paragraph. Change the direction of rotation By interchanging any two of the three main supply leads to the stator. No change is required for the rotor leads in slip ring motors. Role … Read more

Preventive Maintenance of Electric Motor

Preventive Maintenance of Electric Motor | Points to be attend during periodical maintenance: general cleaning and blowing off of dust with compressed air at a pressure of 80 to 100 lb. per sq.in. i. Checking of air gap ii. Greasing or oiling of bearings iii. Measurement of insulation resistance of windings iv. Attention to slip … Read more

Causes of Motor Winding Low Insulation Resistance

Causes and Rectification of Motor Winding Low Insulation Resistance Causes of Low Insulation Resistance and Rectification of Low Insulation Resistance | Low insulation is almost invariably the result of absorption moisture by the insulated windings, since most of the insulating windings, since most of the insulating materials employed are hygroscopic. To maintain high insulation values, … Read more

Control Devices of Electric Motor

Control Devices of Electric Motor Control Devices of Electric Motor | There are so many types and designs that it is impossible to mention all of them. The following are just a few examples, a) Mechanically operated switches, such as door switches, limit switches on cranes, hoists or planing machines, float switches operating on rise … Read more

Electric Motor Enclosure Types

Electric Motor Enclosure Types | The word ‘enclosure’ refers to the type of housing with which the motor is equipped. The article is all about 6 types of motor enclosures. Electric Motor Enclosure Types Some of the principle types of enclosures are us follows, Screen protected Drip proof Pipe ventilated Forced Draught Totally enclosed Flame proof  … Read more