Ankwerwikkelteorie Us N2 — Document

August 2018 — N2 — Ankwerwikkelteorie Us

N2 2018 Nated Engineering

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Q1— Section header —

1.1Noem DRIE metodes waarvolgens die a nkerreaksie verminder kan word. (3\

1.2Waarom word die borsels in GS masjiene van koolstof in plaas van staal gemaak? (3

1.3Maak netjiese, benoemde skets van die konstruksie van n GS masjien. (8\

1.4.1Watter funksie vervul n kommutator in n GS motor?

1.4.2Watter funksie vervul n kommutator in n generator? (2 2\ (4\

Q2— Section header —

2.1n Seriebaan wat aan n 220 , V/50 Hz

2.1.1Die impedansie (2\

2.1.2Die stroomvloei (2\

2.1.3Die spanningsval oor die spoel (4\

2.1.4Die totale arbeidsfaktor (2\

2.1.5Die drywing wat in die baan aangewend word (2\

2.2.1Wat is die ideale arbeidsfaktor?

2.2.2Gee n ander term wat gebruik word om van die ideale arbeidsfaktor te praat. (2 1\ (2\

Q3— Section header —

3.1Beskryf die volgende spoelwikkelingsmetodes:

3.1.1Handwikkeling

3.1.2Vormwikkeling

3.1.3

3.2Verduidelik DRIE metodes waarvolgens gleuwe gesluit word nadat die wikkelings ingevoeg is. (3\

3.3Wat is die doel van mika in die kommutator? (2\ [17] 1102004217

Q4— Section header —

4.1Verduidelik breedvoerig wat die verskil tussen kooirotor en gewikkelde rotor

4.2Noem DRIE foute wat algemeen in ankerspoele aangetref word. (3\

4.3Hoe word spoeldraaie akkuraat bepaal wanneer d t voor wikkeling opgeteken wo rd? (2\

4.4Verduidelik breedvoerig waarom die kern van n transformator gelamelleer word. (3\

4.5Wat is die doel van n transformator? (2\

4.6Noem en verduidelik die metodes wat gebruik word om n transformator te laat afkoel. (4\ [20]20

Q5— Section header —

5.1Noem TWEE praktiese toetse wat ten opsigte van n anker uitgevoer word om n kortsluiting of oop baan op te spoor. (2\

5.2Noem VIER werkverrigtingstoetse wat ten opsigte van n GS masjien uitgevoer kan word. (4\

5.3

5.4Verduidelik die terme differensiaal serie parallel en kumulatiewe serie

Q6— Section header —

6.1Verduidelik die prosedure wat jy moet volg wanneer n motor, wat nog nie vantevore oopgemaak is nie, uitmekaargehaal en weer korrek aanmekaargesit word. (6\

6.2Gee VYF redes dat n rollaer uitgeslyt raak. (5\ [11]11

Q7— Section header —

7.1Noem DRIE soorte isoleermateriaal wat vir gleufhulsels ( slot boxes \en kappe gebruik word. (3\

7.28

Mark Allocation

Total100 marks

Sections18 + 14 + 17 + 20 + 12 + 11 + 8 = 100 marks

Paper information

TitleDocument

SubjectAnkwerwikkelteorie Us

LevelN2

Document typeQuestion paper

Year2018

MonthAugust

Pages7

Downloads5

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,993

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