7~8章同步發電機的原理與構造
Quiz
•
Physical Ed
•
11th Grade
•
Practice Problem
•
Hard
得明 楊
Used 6+ times
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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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