University Questions with Answers (Long Answered Questions)

University Questions with Answers (Long Answered Questions)

(Regulation 2008)

May-12

Q. 1 What is armature reaction in alternators 7 Explain it for different power factor conditions.

(Section 2.5)         [6]

Q. 2 Explain the potier method (ZPF) of determining the regulation of an alternator.

(Section 2.15)       [10]

Dec.-12

Q. 3 Explain the synchronous impedance method (EMF method) of determining the regulation of an alternator. (Section 2.12)    [8]

May-13

Q. 4 Explain the potier method (ZPF) of determining the regulation of an alternator.

(Section 2.15)       [10]

Dec.-14

Q. 5 Explain the synchronous impedance method (EMF method) of determining the regulation of an alternator. (Section 2.12)    [8]

(Regulation 2013)

Dec.-15

Q. 6 Define armature reaction and explain the effect of armature reaction on different power factor loads of synchronous generators. (Refer section 2.5)      [8]

May-16

Q. 7 Explain the concept of armature reaction and mention the methods to reduce this effect.

(Refer section 2.5)          [8]

Dec.-16

Q. 8 List the methods used to predetermine the voltage regulation of synchronous machine and explain the MMF method. (Refer sections 2.11 and 2.14)         [16]

May-17

Q. 9 Explain step by step method of potier triangle method of determining the regulation of an alternator. (Refer section 2.15) [8]

Dec.-17

Q. 10 Explain the Ampere-Turn Method of finding voltage regulation of an alternator.

(Refer section 2.14)        [8]

May-18

Q. 11 Explain the procedure for POTIER method to calculate voltage regulation of alternator.

(Refer section 2.15)        [8]