Give some advantages and disadvantages of D.O.L starter. Last Answer : Advantages: Highest starting torque Low cost Greatest simplicity Disadvantages: The inrush current of large motors may cause excessive voltage drop in the weak power system The torque may be limited to protect certain types of loads....
What are the protective devices in a DC/AC motor Starter? Last Answer : Over load Release (O.L.R) or No volt coil Hold on Coil Thermal Relays Fuses (Starting /Running) Over load relay...
What are the advantages of Electronic starter? Last Answer : The moving parts and contacts get completely eliminated. • The arcing problem gets eliminated. • Minimum maintenance is required as there are no moving parts. • The operation is reliable • Starting time also gets reduced....
What are the disadvantages of three point starter? Last Answer : Here NVC and the field winding are in series. so while controlling the speed of the motor above rated, field current is reduced by adding an extra resistance in series with the field winding. To ... winding, four point starter is used in which NVC and the field winding are connected in parallel....
What are the main parts of three point starter? Last Answer : L = line terminal to be connected to positive of supply A = to be connected to the armature winding F= to be connected to the field winding...
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