跟着赵博学习Maxwell，欢迎大家讨论
本帖最后由 long98194 于 2011-4-7 16:02 编辑THREE-PHASE SYNCHRONOUS GENERATOR DESIGN
File: Setup2.res
GENERAL DATA
Rated Apparent Power (kVA): 6250
Rated Power Factor: 0.8
Rated Voltage (V): 6300
Winding Connection: Wye
Load Type: Infinite Bus
Number of Poles: 10
Frequency (Hz): 50
Rated Speed (rpm): 600
Operating Temperature (C): 75
Frictional and Windage Loss (W): 8220
Exciter Efficiency (%): 90
Exciting Current (A): 0
STATOR DATA
Number of Stator Slots: 144
Outer Diameter of Stator (mm): 2150
Inner Diameter of Stator (mm): 1710
Type of Stator Slot: 6
Dimension of Stator Slot
hs0 (mm): 0.5
hs1 (mm): 4.5
hs2 (mm): 84
bs1 (mm): 20
bs2 (mm): 16.4
Top Tooth Width (mm): 20.9064
Bottom Tooth Width (mm): 24.7898
Number of Sectors per Lamination: 9
Skew Width (slots): 0
Length of Stator Core (mm): 850
Stacking Factor of Stator Core: 0.95
Type of Steel: DW315_50
Press board thickness (mm): 25
Magnetic press board No
Number of Air Ducts: 16
Width of Air Ducts (mm): 10 STATOR-WINDING DATA
End Length Adjustment (mm): 50
End-Coil Clearance (mm): 10
Number of Parallel Branches: 2
Type of Coils: 21
Coil Pitch: 10
Number of Conductors per Slot: 6
Number of Wires per Conductor: 2
Maximum Possible Wires per Coil Side: 6
in width direction 1
in thickness direction 6
Wire Width (mm): 9.5
Wire Thickness (mm): 5
Wire Wrap Thickness (mm): 0.8
Wire Direction in Slot: Horizontal
Coil Wrap (mm): 2.5
Coil Width (mm): 15.3
Coil Height (mm): 39.8
Bottom Insulation (mm): 1
Wedge Thickness (mm): 5
Slot Liner Thickness (mm): 0.3
Layer Insulation (mm): 2
Slot Fill Factor (%): 95.3704
Stator Winding Factor: 0.8471
ROTOR DATA
Minimum Air Gap (mm): 10
Inner Diameter (mm): 900
Length of Rotor (mm): 850
Stacking Factor of Iron Core: 0.95
Type of Steel: M15_26G
Polar Arc Offset (mm): 100
Ratio of Max. to Min. Air Gap: 1.29994
Mechanical Pole Embrace: 0.73422
Pole-Shoe Width (mm): 385
Pole-Shoe Height (mm): 60
Pole-Body Width (mm): 240
Pole-Body Height (mm): 190
Second Air Gap (mm): 0
Magnetic Shaft: Yes
FIELD-WINDING DATA
Number of Parallel Branches: 1
Winding Type: Edgewise Coil
Width of Wire (mm): 40
Thickness of Wire (mm): 3
Number of Turns per Pole: 50.5
Wire Wrap Thickness (mm): 0.14
Under-Pole-Shoe Insulation (mm): 2.5
Pole-Body-Side Insulation (mm): 4
Winding Control Width (mm): 40.14
Winding Control Height (mm): 185
Clearance between Windings (mm): 5
Inside Corner Radius (mm): 0
End Core-Coil Clearance (mm): 0
WAVEFORM FACTORS
Short-Circuit Ratio: 1.08689
Electrical Pole Embrace: 0.726583
Air-Gap Flux Total Harmonic
Distortion at No-Load (%): 15.2066
Phase-Voltage Total Harmonic
Distortion at No-Load (%): 1.69283
Line-VoltageTotal Harmonic
Distortion at No-Load (%): 1.10224
Phase-Voltage Total Harmonic
Distortion at Full-Load (%) 3.97303
Line-VoltageTotal Harmonic
Distortion at Full-Load (%) 1.98677 STATOR-WINDING DATA
End Length Adjustment (mm): 50
End-Coil Clearance (mm): 10
Number of Parallel Branches: 2
Type of Coils: 21
Coil Pitch: 10
Number of Conductors per Slot: 6
Number of Wires per Conductor: 2
Maximum Possible Wires per Coil Side: 6
in width direction 1
in thickness direction 6
Wire Width (mm): 9.5
Wire Thickness (mm): 5
Wire Wrap Thickness (mm): 0.8
Wire Direction in Slot: Horizontal
Coil Wrap (mm): 2.5
Coil Width (mm): 15.3
Coil Height (mm): 39.8
Bottom Insulation (mm): 1
Wedge Thickness (mm): 5
Slot Liner Thickness (mm): 0.3
Layer Insulation (mm): 2
Slot Fill Factor (%): 95.3704
Stator Winding Factor: 0.8471
ROTOR DATA
Minimum Air Gap (mm): 10
Inner Diameter (mm): 900
Length of Rotor (mm): 850
Stacking Factor of Iron Core: 0.95
Type of Steel: M15_26G
Polar Arc Offset (mm): 100
Ratio of Max. to Min. Air Gap: 1.29994
Mechanical Pole Embrace: 0.73422
Pole-Shoe Width (mm): 385
Pole-Shoe Height (mm): 60
Pole-Body Width (mm): 240
Pole-Body Height (mm): 190
Second Air Gap (mm): 0
Magnetic Shaft: Yes
FIELD-WINDING DATA
Number of Parallel Branches: 1
Winding Type: Edgewise Coil
Width of Wire (mm): 40
Thickness of Wire (mm): 3
Number of Turns per Pole: 50.5
Wire Wrap Thickness (mm): 0.14
Under-Pole-Shoe Insulation (mm): 2.5
Pole-Body-Side Insulation (mm): 4
Winding Control Width (mm): 40.14
Winding Control Height (mm): 185
Clearance between Windings (mm): 5
Inside Corner Radius (mm): 0
End Core-Coil Clearance (mm): 0
WAVEFORM FACTORS
Short-Circuit Ratio: 1.08689
Electrical Pole Embrace: 0.726583
Air-Gap Flux Total Harmonic
Distortion at No-Load (%): 15.2066
Phase-Voltage Total Harmonic
Distortion at No-Load (%): 1.69283
Line-VoltageTotal Harmonic
Distortion at No-Load (%): 1.10224
Phase-Voltage Total Harmonic
Distortion at Full-Load (%) 3.97303
Line-VoltageTotal Harmonic
Distortion at Full-Load (%) 1.98677 MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3): 8900
Field Copper Density (kg/m^3): 8900
Damper Bar Material Density (kg/m^3): 2700
Damper Ring Material Density (kg/m^3): 2700
Armature Core Steel Density (kg/m^3): 7600
Rotor Core Steel Density (kg/m^3): 7650
Armature Copper Weight (kg): 1199.38
Field Copper Weight (kg): 1351.9
Damper Bar Material Weight (kg): 0
Damper Ring Material Weight (kg): 0
Armature Core Steel Weight (kg): 5483.96
Rotor Core Steel Weight (kg): 5631.79
Total Net Weight (kg): 13667
Armature Core Steel Consumption (kg): 8453.46
Rotor Core Steel Consumption (kg): 17705.9
UNSATURATED STEADY STATE PARAMETERS
Armature Resistance R1 (ohm): 0.0280051
Armature Leakage Reactance X1 (ohm): 0.351203
D-Axis Reactive Reactance Xad (ohm): 6.73152
Q-Axis Reactive Reactance Xaq (ohm): 4.03169
D-Axis Reactance X1+Xad (ohm): 7.08272
Q-Axis Reactance X1+Xaq (ohm): 4.38289
Field Winding Resistance Rf (ohm): 0.231013
Armature Resistance per Unit: 0.00440997
Armature Leakage Reactance per Unit: 0.0553041
D-Axis Reactive Reactance per Unit: 1.06001
Q-Axis Reactive Reactance per Unit: 0.634872
D-Axis Reactance per Unit: 1.11532
Q-Axis Reactance per Unit: 0.690176
Field Winding Resistance per Unit: 0.000891702
NO-LOAD MAGNETIC DATA
Stator-Teeth Flux Density (Tesla): 1.77975
Stator-Yoke Flux Density (Tesla): 1.59182
Pole-Shoe Flux Density (Tesla): 0.964082
Pole-Body Flux Density (Tesla): 1.54655
2nd Air-Gap Flux Density (Tesla): 1.54655
Rotor-Yoke Flux Density (Tesla): 0.305753
Air-Gap Flux Density (Tesla): 0.828921
Stator-Teeth Ampere Turns (A.T): 955.004
Stator-Yoke Ampere Turns (A.T): 288.068
Pole-Shoe Ampere Turns (A.T): 6.63995
Pole-Body Ampere Turns (A.T): 322.195
2nd Air-Gap Ampere Turns (A.T): 0
Rotor-Yoke Ampere Turns (A.T): 3.0931
Air-Gap Ampere Turns (A.T): 7401.88
No-Load Exciting Ampere Turns (A.T): 8976.88
No-Load Exciting Current (A): 177.76
Leakage-Flux Factor: 1.09561
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.318002
Cogging Torque (N.m): 24.9794 FULL-LOAD DATA
Induced Voltage per Unit with PF=0: 1.05531
Exciting Current with PF=0 (A): 387.578
D-Axis Ampere Turns with PF=0 (A.T): 7840.98
Exciting Current at Rated
Short-Circuit Current (A): 163.55
Power Factor Angle (degree): 36.8205
Power Angle (degree): 21.2061
Induced Voltage per Unit: 1.03751
Total Exciting Ampere Turns (A.T): 15515.5
Armature Reactive Ampere Turns (A.T): 9432.13
D-Axis Armature Ampere Turns (A.T): 6651.46
Q-Axis Armature Ampere Turns (A.T): 2486.74
Phase Voltage (V): 3637.31
Phase Current (A): 572.768
Armature Thermal Load (A^2/mm^3): 1414.04
Specific Electric Loading (A/mm): 460.592
Armature Current Density (A/mm^2): 3.07005
Exciting Current (A): 307.237
Exciting Current Density (A/mm^2): 2.57208
Exciting Voltage (V): 70.9758
Iron-Core Loss (W): 29897.6
Frictional and Windage Loss (W): 8220
Additional Loss (W): 31250
Armature Copper Loss (W): 27562.3
Field Copper Loss (W): 21806.4
Exciter Loss (W): 2422.93
Total Loss (W): 121159
Input Power (kW): 5124.39
Output Power (kW): 5003.23
Efficiency (%): 97.6356
Shaft Torque (N.m): 81557.2
Apparent Power (kVA): 6250
Power Factor: 0.800517
TRANSIENT PARAMETERS & TIME CONSTANTS
D-axis Transient Reactance (ohm): 1.3247
Field Leakage Reactance (ohm): 1.13808
Negative-Sequence Reactance (ohm): 2.03449
Zero-Sequence Reactance (ohm): 0.351203
D-axis Transient Reactance per Unit: 0.208601
Field Leakage Reactance per Unit: 0.179214
Negative-Sequence Reactance per Unit: 0.320372
Zero-Sequence Reactance per Unit: 0.0553041
Field Winding Time Constant
with Open-Circuit Armature (s): 4.42366
D-axis Transient Time Constant (s): 0.827368
Armature Time Constant (s): 0.231243
WINDING ARRANGEMENT
The 3-phase, 2-layer winding can be arranged in 144 slots as below:
AAAAAZZZZZBBBBBXXXXXCCCCYYYYYAAAAAZZZZZBBBBBXXXXCCCCCYYYYYAAAAAZZZZZBBBB
XXXXXCCCCCYYYYYAAAAAZZZZBBBBBXXXXXCCCCCYYYYYAAAAZZZZZBBBBBXXXXXCCCCCYYYY
Angle per slot (elec. degrees): 12.5
Phase-A axis (elec. degrees): 91.25
First slot center (elec. degrees): 0
The field winding can be arranged as below:
Turns WidthThickness
1th section: 56.0 40.00 3.00
Maximum number of turns per pole is: 56
TRANSIENT FEA INPUT DATA
For Armature Winding:
Number of Turns: 144
Parallel Branches: 2
Terminal Resistance (ohm): 0.0280051
End Leakage Inductance (H): 0.000380812
For Pole Winding:
Number of Turns: 505
Parallel Branches: 1
Terminal Resistance (ohm): 0.231013
End Leakage Inductance (H): 0.0152359
2D Equivalent Value:
Equivalent Model Depth (mm): 825.502
Equivalent Stator Stacking Factor: 0.794062
Equivalent Rotor Stacking Factor: 0.978192
Estimated Rotor Inertia (kg m^2): 5309.58 上面是利用Rmxprt来进行电磁计算的数据 数据录入如截图所示 Rmxprt电磁计算结果曲线 模型导入后进行仿真 仿真结果如图所示 欢迎大家拍砖 看你的maxwell模型，好像不是自动导入的？
那还得自己设置才能仿真吧 1.空载磁密好像挺高，负载不知道怎么样？
2.看你好像设置了通风孔，模型上好像没体现出来？》
3.效率好像偏高了？ 回复 14# fengxingyun
这点我已经注意到了，知道是软件的问题要人工的输入铁心净长度=铁心长度（含通风沟）-通风沟长度。
另外还有一点励磁绕组匝数在Rmxprt计算时输入的是：每极线圈匝数*2，其计算结果才是等于每极线圈匝数。
这两点让人很是汗颜！ 回复 13# forlink
是自动导入 1.空载磁密好像挺高，负载不知道怎么样？
2.看你好像设置了通风孔，模型上好像没体现出来？》
3.效率好像 ...
fengxingyun 发表于 2011-4-7 16:51 http://bbs.simol.cn/images/common/back.gif
这种属于中型发同步电机效率应该大于95%以上
公司软件计算结果
本帖最后由 long98194 于 2011-4-8 07:41 编辑SFW5000-10/2150 电磁计算结果
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序号 名 称 变量 结 果 单位 备注
================================================================================
一、基 本 数 据
1.1 额 定 数 据
1.01 额定功率 PN 5000.000 (kW)
1.02 额定功率因数 COSφN .800
1.03 额定容量 SN 6250.000 (kVA)
1.04 额定电压 UN 6300.000 (V)
1.05 相电压 Uφ 3637.307 (V)
1.06 额定电流 IN 572.768 (A)
1.07 相电流 Iφ 572.768 (A)
1.08 额定转速 nN 600.000 (r/min)
1.09 飞逸转速 nr 1200.000 (r/min)
1.10 额定频率 fN 50.000 (Hz)
1.11 极 数 2p 10.000
1.12 相 数 M 3.000
1.12 飞轮力矩 GD2 267.976 (kN.m?)
1.2 定子铁心和转子磁极铁心尺寸
1.13 定子铁心外径 D1 215.000 (cm)
1.14 定子铁心内径 Di 171.000 (cm)
1.15 定子槽宽度 bs 1.640 (cm)
1.16 定子槽高度 hs 8.900 (cm)
1.17 定子槽楔高度 hk .500 (cm)
1.18 定子线圈绝缘单边厚度 δi .230 (cm)
1.19 定子铁心径向通风
槽宽度及通风槽数 bvnv 16.000 (cm)
1.20 无通风槽的定子铁心长度 l 69.000 (cm)
1.21 各段铁心长度不相等时
相邻通风槽的平均距离 tv 5.000 (cm)
1.3 定 子 绕 组 数 据
1.22 定子槽数 Z 144.000
1.23 每 极 每 相 槽 数 q 4.800=4.+4./5.
1.24 每相并联支路数 a 2.000
1.25 每槽有效导体数 Ns 6.000
1.26 每支路电流 Ia 286.384 (A)
1.27 定子槽电流 Is 1718.304 (A)
1.28 电负荷 A 460.593 (A/cm)
1.29 绕组节距 Y 12.000
1.30 短矩系数 β .833
1.31 每相串联匝数 Wφ 72.000
1.32 定子线圈的股线尺寸 6.(3.350x4.500)/(3.750x4.900)
1.33 每支路有效导体截面积 Ac 87.300 (mm?)
1.34 定子绕组的电流密度 J 3.280 (A/mm?)
1.35 热负荷 AJ 1510.955 (A?/cm.mm?)
1.36 定子铁心总长度 lt 85.000 (cm)
1.37 定子绕组端部每半匝平均长度 lE 83.040 (cm)
1.38 定子绕组每匝平均长度 lc 336.081 (cm)
1.39 定子绕组每相电阻 R(15) .024 (Ω)
R(75) .030 (Ω)
1.4 励磁绕组及阻尼绕组数据
1.40 阻尼条节距 t2 3.467 (cm)
1.41 阻尼绕组槽开口宽度 bsh 3.000 (mm)
1.42 阻尼绕组槽开口高度 hsh 3.000 (mm)
1.43 励磁绕组铜线规格 af 3.000 (mm)
bf 40.000 (mm)
Af 117.600 (mm?)
1.44 励磁绕组每极匝数 Wf 50.500
1.45 励磁绕组每匝平均
长度(单排线圈) lcf 249.133 (cm)
1.46 励磁绕组电阻 Rf(15) .188 (Ω)
Rf(75) .233 (Ω)
Rf(120) .267 (Ω)
Rf(130) .274 (Ω)
1.47 每极阻尼条数 nB 7.000
1.48 阻尼条直径 dB 16.000 (mm)
1.49 圆阻尼条截面积 AB 2.011 (cm?)
1.50 阻尼条长度 lB 103.000 (cm)
1.51 阻尼环厚度和宽度 aR 14.000 (mm)
bR 50.000 (mm)
1.52 阻尼环截面积 AR 700.000 (mm?)
1.53 阻尼环平均直径 DR 167.600 (mm)
1.54 直轴阻尼绕组电阻(标么值) RDd* .019
1.55 交轴阻尼绕组电阻(标么值) RDq* .016
二、空 载 磁 势 计 算
2.1 磁 路 计 算
2.01 定子齿顶处齿距 t1 3.731 (cm)
2.02 极 距 τ 53.721 (cm)
2.03 气 隙 δ 1.000 (cm)
2.04 比 值 δ/τ .019
2.05 比 值 δmax/δ 1.500
2.06 极靴宽度 bp 38.500 (cm)
2.07 极弧系数 αp .717
2.08 定子1/3齿高处齿距 t1/3 3.860 (cm)
2.09 定子1/2齿高处齿距 t1/2 3.925 (cm)
2.10 定子齿顶处齿宽 bt 2.091 (cm)
2.11 定子1/3齿高处齿宽 bt1/3 2.220 (cm)
2.12 定子1/2齿高处齿宽 bt1/2 2.285 (cm)
2.13 定子轭高 hj 13.100 (cm)
2.14 定子轭磁路长 Lj 63.429 (cm)
2.15 定子铁心叠压系数 KFe .940
2.16 定子铁心有效长度 Lef 64.860 (cm)
2.17 比值 lt/τ 1.582
2.18 定子铁心边缘段阶梯形高度 a1 .000 (cm)
2.19 定子铁心边缘段阶梯形宽度 c1 .000 (cm)
2.20 定子铁心计算长度 L`t 85.000 (cm)
2.21 主极极靴长度 lp 85.000 (cm)
2.22 主极极身长度 lm 85.000 (cm)
2.23 主极极靴计算长度 l`p 87.000 (cm)
2.24 轴向气隙计算长度 l0 86.000 (cm)
2.25 计算气隙 δ` 1.167 (cm)
2.26 极靴高度 hp 6.000 (cm)
2.27 极身宽度 bm 24.000 (cm)
2.28 极身高度 hm 19.000 (cm)
2.29 磁极压板厚度 δp 4.500 (cm)
2.30 磁极铁心计算长度 lm` 89.500 (cm)
2.31 磁极结构尺寸 ap 7.250 (cm)
dt 4.833 (cm)
cp 12.185 (cm)
τm 19.354 (cm)
2.32 定子齿重 GFet 1433.925 (kg)
2.33 定子轭重 GFej 4068.941 (kg)
2.34 磁极压板截面积 Ap 75.600 (cm?)
2.35 磁极铁心截面积 Am 2130.000 (cm?)
2.2 空 载 特 性 计 算
2.36 绕组基波短距系数 Kp1 .966
2.37 绕组基波分布系数 Kd1 .955
2.38 基波绕组系数 Kdp1 .922
2.39 基波磁通 Φ1 .247 (Wb)
2.40 磁场波形系数 kφ .996
2.41 极弧磁通系数 kλ .919
2.42 空载额定电压时的每极磁通 Φ .246 (Wb)
2.43 空载额定电压时
极靴部分的磁通 Φλ .226 (Wb)
2.44 极靴上气隙的平均磁通密度 Bδ .682 (T)
2.45 定子1/3齿高处的磁通密度 Bt1/3 1.520 (T)
2.46 定子1/2齿高处的磁通密度 Bt1/2 1.477 (T)
2.47 定子轭的磁通密度 Bj 1.446 (T)
2.48 定子齿的气隙系数 Kδ1 1.119
2.49 定子铁心径向通
风槽的气隙系数 Kδ2 1.064
2.50 转子阻尼绕组槽的气隙系数 Kδ3 1.020
2.51 总气隙系数 Kδ 1.215
2.52 定子齿磁位降 Ft 764.953 (A)
2.53 定子轭的磁位降 Fj 624.278 (A)
2.54 磁极漏磁系数 σm 1.157
2.55 极身根部磁通 Φm .284 (Wb)
2.56 极身根部的磁通密度 Bm 1.335 (T)
2.57 极靴的漏磁系数 σp 1.078
2.58 极身上部的磁通 Φp .265 (Wb)
2.59 极身上部的磁通密度 Bp 1.244 (T)
2.60 磁极的平均磁通密度 Bm1/2 1.312 (T)
2.61 磁极的磁位降 Fm 602.795 (A)
2.62 转子轭与磁极接缝处之磁位降 Fj2 667.390 (A)
2.63 气隙磁位降 Fδ 15472.040 (A)
2.64 额定电压下的空载磁位降 Ff0 18131.460 (A)
三、电 抗 和 时 间 常 数 的 计 算
3.01 定子绕组矩形波磁动势 Fa 16129.720 (At)
3.02 定子绕组直轴电枢反应系数 Kad 1.048
3.03 定子绕组电枢反应直轴磁动势 Fad 16905.750 (At)
3.04 直轴电枢反应电抗 Xad 1.093
3.05 定子交轴与直轴电枢
反应基波磁通之比 Kq .499
3.06 交轴电枢反应电抗 Xaq .604
3.07 定子绕组漏抗 Xσ .078
3.08 直轴同步电抗 Xd 1.171
3.09 交轴同步电抗 Xq .682
3.10 极靴之间漏磁导 λpl .639
3.11 极身之间漏磁导 λml .540
3.12 磁极端面之间漏磁导 λmb .099
3.13 磁极总漏磁导 λm+p 1.278
3.14 瞬变过程磁极总漏磁导 Λ 1.029
3.15 励磁绕组总电抗 Xσ2 1.269
3.16 励磁绕组漏抗 Xσf .177
3.17 直轴瞬变电抗 Xd` .230
3.18 交轴瞬变电抗 Xq` .682
3.19 阻尼绕组直轴漏抗(开口槽) Xσd .105
3.20 阻尼绕组交轴漏抗 Xσq .079
3.21 直轴超瞬变电抗 Xd" .140
3.22 交轴超瞬变电抗 Xq" .148
3.23 负序电抗(当短路时) X2 .144
3.23 负序电抗(外接大电抗时) X2 .144
3.24 零序电抗 X0 .047
3.25 定子绕组电阻(标么值) R* .005
3.26 励磁绕组电阻(标么值) Rf* .001
3.27 定子绕组开路时
励磁绕组的时间常数 T`do 4.027 (s)
3.28 定子绕组和励磁绕组开路时
直轴阻尼绕组的时间常数 T`Ddo .198 (s)
3.29 定子绕组开路时交轴
阻尼绕组的时间常数 T`Dqo .135 (s)
3.30 定子绕组短路时励磁绕组的
时间常数(无阻尼绕组时) T`d .792 (s)
3.31 定子绕组开路、励磁绕组短路
时直轴阻尼绕组的时间常数 T"do .043 (s)
3.32 定子绕组及励磁绕组短路时
直轴阻尼绕组的时间常数 T"d .026 (s)
3.33 定子绕组短路时
交轴阻尼绕组的时间常数 T"q .029 (s)
3.34 励磁绕组短路时
定子绕组的时间常数 Ta .097 (s)
3.35 机端三相短路时
瞬变电流衰减时间常数 Td3 .792 (s)
3.36 机端三相短路时
超瞬变电流衰减时间常数 T"d3 .026 (s)
3.37 机端三相短路时定子电流
非周期分量衰减时间常数 Ta3 .097 (s)
3.38 机端两相短路时
瞬变电流衰减时间常数 T`d2 1.146 (s)
3.39 机端两相短路时
超瞬变电流衰减时间常数 T"d2 .032 (s)
3.40 机端两相短路时
非周期分量衰减时间常数 Ta2 .097 (s)
3.41 机端单相短路时
瞬变电流衰减时间常数 T`d1 1.246 (s)
3.42 机端单相短路时
超瞬变电流衰减时间常数 T"d1 .033 (s)
四、负 载 磁 势 计 算
4.1 短路和额定千伏安COSφ=0时的磁势计算
4.01 短路电流为额定电流时的磁位 Fk 18113.530 (A)
4.02 短路比 Kc 1.001
4.03 定子绕组总漏抗 Xσt .128
4.04 COSφ=0时对应额定电压
Uφ的每极磁通 Φ` .265 (Wb)
4.05 气隙平均磁通密度 Bδ` .736 (T)
4.06 空气隙的磁位降 Fδ` 16679.820 (A)
4.07 定子轭的磁通密度 Bj` 1.559 (T)
4.08 定子轭的磁位降 Fj` 983.791 (A)
4.09 定子齿的磁通密度 Bt1/3` 1.639 (T)
4.10 定子齿的磁位降 Ft1/3` 1529.164 (A)
4.11 磁极漏磁系数 σm` 1.312
4.12 极靴的漏磁系数 σp` 1.156
4.13 极身根部的磁通密度 Bm` 1.689 (T)
4.14 极身上部的磁通密度 Bp` 1.495 (T)
4.15 磁极的平均磁通密度 Bm1/2` 1.641 (T)
4.16 磁极的磁位降 Fm` 2505.979 (A)
4.17 转子轭与磁极接缝处之磁位降 Fj2` 844.665 (A)
4.18 额定千伏安、COSφ=0
过励时的总磁位降 ∑F 39449.170 (A)
4.2 用图解法确定额定负载时的磁势
4.19 额定励磁磁动势 Ffn 34288.730 (A)
五、励 磁 数 据
5.01 空载额定电压时的励磁电流 If0 179.519 (A)
5.02 额定负载时的励磁电流 Ifn 339.492 (A)
5.03 额定负载时励磁
绕组的电流密度 Jf 2.887 (A/cm?)
5.04 空载时励磁绕组的滑环电压 Uf0 33.694 (V)
5.05 额定负载时励磁
绕组的滑环电压 UfN 93.030 (V)
5.06 集电环上的励磁电压增长速度 ΔUf 139.545 (V/s)
5.07 直流励磁机的额定电压 Uf 102.333 (V)
5.08 直流励磁机的额定电流 If 373.442 (A)
5.09 直流励磁机的额定功率 Pf 38.215 (kW)
5.10 励磁系统的顶值电压 Ufmax 167.454 (V)
5.11 直流励磁机的最大励磁电流 Ifmax 865.546 (A)
5.12 直流励磁机的瞬时最大功率 Pfmax 144.939 (kW)
六、损 耗 和 效 率
6.1 空 载 损 耗
6.01 空载额定电压时定子齿中铁耗 PFet 8.581 (kW)
6.02 空载额定电压时定子轭中铁耗 PFej 18.007 (kW)
6.03 空载额定电压时极靴表面的
附加损耗(叠片或实心磁极) pFepo 5.292 (kW)
6.04 空载时总铁耗 PFe 31.880 (kW)
6.2 短 路 损 耗
6.05 并联股线间的环流系数 Kr .044
ε .458
6.06 涡流损耗系数 Ks .060
6.07 定子绕组的费立德系数 KF 1.104
6.08 短路电流为额定电流时磁场三
次谐波在定子齿中的磁通密度 B3 3755.147 (T)
6.9 短路电流为额定电流时磁场中
三次谐波在定子齿中
引起的附加损耗 Pt3 7.216 (kW)
6.10 额定电流时定子绕组的铜耗 Pcu 29.673 (kW)
6.11 额定电流时双层定子
绕组的附加铜耗 Pcus 3.097 (kW)
6.12 短路电流为额定电流时定子
磁场中齿谐波在极靴表面及
阻尼绕组中产生的附加损耗 Ppt .429 (kW)
6.13 短路电流为额定电流时定子
绕组磁势中高次谐波在极靴
表面产生的附加损耗 Pkv .186 (kW)
6.14 短路电流为额定电流时在定
子齿压板及端盖上的附加损耗 Pad .613 (kW)
6.15 短路电流为额定
电流时的总损耗 Pk 41.214 (kW)
6.3 励 磁 损 耗
6.16 额定负载、额定电压、额定
功率因素时的励磁损耗 Pcuf 27.503 (kW)
6.4 机械损耗(摩擦损耗及通风损耗)
6.17 风摩损耗 pfv 22.001 (kW)
6.17 总机械损耗(包括风摩损耗) Pmec 40.990 (kW)
6.5 效 率
6.18 总损耗 ΣP 141.587 (kW)
6.19 发电机额定负载时的效率 η .972
七、温 度 计 算
7.1 定子温度计算
7.01 铁耗在定子内圆
产生的单位热负载 W1 .912 (W/cm?)
7.02 铜耗在定子内圆
产生的单位热负载 W2 .417 (W/cm?)
7.03 铜耗在线圈表面
产生的单位热负载 W3 .078 (W/cm?)
7.04 铁心对空气的温升 θFe 39.395 (K)
7.05 线圈绝缘温度降 θi 11.141 (K)
7.06 线圈端部表面对空气的温升 θE 28.487 (K)
7.07 定子有效部分的最高温升 θmax 50.536 (K)
7.08 定子线圈对空气的平均温升 θcu 44.107 (K)
7.2 转子温度计算
7.09 励磁损耗在磁极线圈侧
表面产生的单位热负载 W`2 .855 (W/cm?)
7.10 转子线圈的电负荷 A2 1109.667 (A/cm)
7.11 转子线圈的表面热系数 W" .016 (W/(cm?.℃))
7.12 转子线圈对空气的温升 θf 52.376 (K)
7.13 磁极冲片厚 δpp .150 (cm)
7.14 极靴表面的计算面积 Aδ` 3428.541 (cm?)
八、经 济 指 标
8.01 发电机定子有效铁重 GFe 5502.866 (kg)
8.02 定子绕组铜重 Gcu 1128.058 (kg)
8.03 励磁绕组铜重 Gcuf 1316.799 (kg)
8.04 阻尼条重量 GB 129.019 (kg)
8.05 阻尼环重量 GR 65.606 (kg)
8.06 发电机有效铜重量 Gcut 2639.482 (kg)
8.07 发电机单位容量有效铁重量 gfe .880 (kg)
8.08 发电机单位容量有效铜重量 gcu .180 (kg)
声明：
本案例只是练习，并非投入实际生产，对抄袭、转载或用于投产所产生的后果一概不负责任 请教楼主用的什么版本？是正版吗？同样是三相同步发电机为什么我的V12里，输出结果中少了V形曲线图和效率转矩曲线啊
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