1-1 发出 吸收
1-2
1-3 (a)
(b)
(c)
1-4 电压表、电流表都正偏,输出功率的是,电压表正偏,电流表反偏,输出功率的是
1-9
1-10
1-11
1-12 当时,;
当时,
1-13
1-14
1-15
1-16
1-17
1-18
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
3-12
3-13
3-14
3-15
3-16
3-17
3-18
3-19
4-1 略
4-2
4-3 (1)电感
(2)电阻
(3)电容
4-4
相应图略
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-17
4-18
4-19
4-20
4-21
4-22
4-23
4-24
4-25
5-1 星形连接
相量图略
5-2 将120只日光灯均匀接在三相上,每相40只(并联)
5-3 角形连接
相量图略
5-4
5-5
5-6
5-7
5-8
5-9
5-10
5-11 Y,
5-12
5-13
5-14
5-15
5-16
5-17
5-18
7-1
7-4
7-5
7-6
7-8
7-9
7-10
7-11
1-2
1-3 (a)
(b)
(c)
1-4 电压表、电流表都正偏,输出功率的是,电压表正偏,电流表反偏,输出功率的是
1-9
1-10
1-11
1-12 当时,;
当时,
1-13
1-14
1-15
1-16
1-17
1-18
2-1
2-2
2-3
2-4
2-5
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
3-12
3-13
3-14
3-15
3-16
3-17
3-18
3-19
4-1 略
4-2
4-3 (1)电感
(2)电阻
(3)电容
4-4
相应图略
4-5
4-6
4-7
4-8
4-9
4-10
4-11
4-12
4-13
4-14
4-15
4-16
4-17
4-18
4-19
4-20
4-21
4-22
4-23
4-24
4-25
5-1 星形连接
相量图略
5-2 将120只日光灯均匀接在三相上,每相40只(并联)
5-3 角形连接
相量图略
5-4
5-5
5-6
5-7
5-8
5-9
5-10
5-11 Y,
5-12
5-13
5-14
5-15
5-16
5-17
5-18
7-1
7-4
7-5
7-6
7-8
7-9
7-10
7-11