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7~8章同步發電機的原理與構造

Authored by 得明 楊

Physical Ed

11th Grade

Used 6+ times

7~8章同步發電機的原理與構造
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一部16極交流同步發電機,若要產生60Hz的電源頻率,每分鐘轉速需為?

1200rpm

600rpm

450rpm

300rpm

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一部4極同步發電機,電樞繞組每相匝數為50匝,每極磁通量為0.02韋伯,轉速為1800rpm,若感應電勢為正弦波,則產生的電源頻率為多少Hz?

25Hz

30Hz

50Hz

60Hz

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一部三相同步發電機頻率為50Hz,每極最大磁通量為0.05韋伯,每相匝數為20匝,則同步發電機每相之感應電勢有效值約為何?

50V

111V

222V

444V

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

三相同步發電機的額定線電壓為220V,頻率為60Hz;若轉速為150轉/分,則極數為何?

48極

24極

8極

2極

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一部三相交流發電機,其線圈繞成8/9的線圈節距,則其節距因數何者正確?

sin80度

cos80度

sin160度

cos160度

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一部三相4極交流電機,定子有48槽,每槽有兩線圈邊,則相鄰兩槽間之相角差應為若干電機度?

12度

15度

30度

60度

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

交流發電機,電樞繞組一般的設計方式為何?

雙層、集中式、全節距

雙層、分佈式、短節距

雙層、分佈式、全節距

單層、分佈式、短節距

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