Home / Online Test / Excitation Systems for Synchronous Machines Online Test Excitation Systems for Synchronous Machines S Bharadwaj ReddyLeave a comment Electrical Machines Questions and Answers – Synchronous Machines Excitation Systems for Synchronous Machines 0% The pilot exciter in dc exciters is ________ dc shunt generator feeding field winding of mains any of the mentioned stepper motor feeding the field winding of mains universal motor Correct! Wrong! - Continue >> The excitation system and speed of alternator has _______ rectangular hyperbola response linear response circular response exponential response Correct! Wrong! - Continue >> Field winding of a dc machine always delivers power absorbs real power at lagging load always absorbs power delivers power while behaving as generator Correct! Wrong! - Continue >> If the DC excitation is suddenly dropped to 0 ,the three phase alternator ____ no change in the operating conditions continues to run as motor but at lower speed stops to zero speed in few seconds runs as motor Correct! Wrong! - Continue >> The main problems faced by conventional DC exciters are/is _______ additional parasitic losses wear and tear all of the mentioned cooling and maintainance Correct! Wrong! - Continue >> The static excitations mainly comprises of ______ synchronous motor excitation system brushless excitation system brushless and thyristor based excitation system thyrister based excitation system Correct! Wrong! - Continue >> The brushless excitation and conventional DC excitation systems are comparable but one significant change is ______ three phase rectifier feeds directly to main exciter no direct rectification is provided to the pilot exciter pilot exciter is brushless permanent magnet motor a three phase rectifier is fed by main exciter Correct! Wrong! - Continue >> In large synchronous machine, field winding is placed on ______ and ac supply on _____ pole shoes, stator rotor, stator armature, slots stator, rotor Correct! Wrong! - Continue >> The main exciter used in DC excitation is _____ field on stator field on poles field on rotor armature on stator Correct! Wrong! - Continue >> A 3 phase synchronous machine is _________ excited machine. feedback based doubly two stage single Correct! Wrong! - Continue >> Share the quiz to show your results ! Facebook Facebook Just tell us who you are to view your results ! Show my results >> Excitation Systems for Synchronous Machines I got %%score%% of %%total%% right Share your results Facebook Facebook Twitter Google+ ↺ PLAY AGAIN ! Previous Post:MMF Produced by Distributed Windings : Synchronous MachinesNext Post:Flux and MMF Phasors in Synchronous Machines Related Articles Online Test Filters Questions and Answers – Part 1 December 1, 2014 Online Test Choppers Objective Questions – 3 December 1, 2014 Online Test BCD Adder Objective Questions May 1, 2015 Online Test Standard Test Signals Objective Questions January 5, 2017 Online Test Constructional Features of Rotating Electrical Machines – 2 January 2, 2015 Online Test Electrical Machines Objective Questions – Set 17 December 2, 2014 Online Test 1P-Diode Full Wave Rectifier Questions and Answers – Part 1 December 1, 2014 Online Test Microprocessors Objective Questions – Set 7 May 17, 2017 Online Test Thyristors Questions and Answers – Part 3 December 1, 2014 Online Test PWM Inverters Objective Questions – 4 December 1, 2014 Online Test Time Division Multiplexing Objective Questions March 21, 2017 Online Test 3-Phase Bridge Inverters Objective Questions – 2 December 1, 2014 Also Read : Electronic Devices & Circuits Quiz – Set 12 May 12, 2017 Shift Registers Objective Questions May 1, 2015 Process Control & Instrumentation Objective Questions – Set 6 June 16, 2017 Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.