what is meant by armature reaction?

what is meant by armature reaction?

Answer:The effect of armature flu to main flux is called armature reaction. The armature flux may support main flux or opposes main flux.

Related Posts by Categories

Electronics Interview Questions

• Resistor definition and example
• What are the advantage of free wheeling diode in a Full Wave rectifier?
• What is the difference between isolators and electrical circuit breakers? What is bus-bar?
• What will happen if DC supply is given on the primary of a transformer?
• What is reverse power relay?
• What is meant by knee point voltage?
• which bulb will glow bright and why?
• Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?
• What is the power factor of an alternator at no load?
• What is use of lockout relay in ht voltage?
• What is the difference between earth resistance and earth electrode resistance?
• Mention the methods for starting an induction motor?
• Which power plant has high load factor?
• What are HRC fuses and where it is used?
• How do you select a cable size (Cu & Al) for a particular load?
• If one lamp connects between two phases it will glow or not?
• Can we measure over voltage and over current by measuring current only?
• Why temperature rise is conducted in bus bars and isolators?
• What is derating?, why it is necessary, it is same for all means for drives, motors,and cables.
• Why an ac solenoid valve attract the plunger even though we interchanges the terminal? Will the poles changes?
• How electrical power is generated by an A.C Generator?
• Why ELCB can't work if N input of ELCB do not connect to ground?
• What are Motor Generator Sets and explain the different ways the motor generator set can be used ?
• Why series motor cannot be started on no-load?
• Why in a three pin plug the earth pin is thicker and longer than the other pins?

Electronics Hoctro | Electrical