?87.94W
160.定子绕组铜损耗:
22PW Cu1?mINR(ax)?3?80?0.0922?1770.24式中Ra(x)161.励磁损耗:PCuf???Ra(75?)??E,B级绝缘?? R??F,H级绝缘??a(115?)I2fNR(fx)?0.6IfN?f
19.832?2.4176?0.6?19.83?
0.9?1069.52W
式中Rf(x)????Rf(75?)??E,B级绝缘 ??Rf(115?)??F,H级绝缘 ?f——励磁系统的效率
3162.机械损耗:Pmex?16(p)?v40lm?103 19=32?(23.55330)??103 4019?259.396W
163.附加损耗: Pad?164.总损耗:
0.012PN0.012?75?1000?103??1125W cos?0.8?P? 6WP?P56?5a7.Fe?PFe?bP1C?uPc?ufPmexd51165.效率: ??(1?5.9 瞬态参数和时间常数
166.励磁绕组漏抗 :
?P)?100%?92.92%
P??PNFa4*?10?6?(?Kad?1)Xad ??2197.84?6.4?0.8452?30.22?0.794??(?0.845?1)?2.2893.88?10?2?2X*fs?6.4Kadli?fs
?0.4
h'mhpm2h'm?0.5bm?fs???3amap4lm5.75951.61??????????????????3?7.683.9334?30 式中
?0.794?*167.励磁绕组电抗:X*f?X*fs?Xad?0.4?2.2898?2.6898
168.阻尼绕组直轴电抗:
X*ds?7.9Fali7.9?2197.8?30.22?ds?10?8??10?8?1.33?0.03597?2nd?5?3.88?10
式中:?ds?0.623?hm?n?0.06d?1.33bmli
169.阻尼绕组横轴电抗(对于全阻尼):
X*qs?0.75X*ds?0.75?0.03597?0.02697
170
Xd?Xs?'*.
X*ad?X*fsX*f直
?0.0424?轴瞬态电抗:
2.2898?0.4?0.3829
2.6898171.交轴瞬态电抗:X'q?X*q?1.3099
\172.直轴超瞬态电抗:Xd?X*s?1
111??X*adX*fsX*ds?0.424?1
111??2.28980.40.03597=0.0749
173.交轴超瞬态电抗:Xq''?X*s?111?X*aqX*qs
=0.0424?=0.0688
111?1.30990.02697
2lcfFa44Kad174.励磁绕组电阻:Rf?????102
fqfwf?440.845290.872197.8???102 =??6?2505.22?101603.88?10=0.387?
175.励磁绕组时间常数:
Td0?X*f2?fRf?2.6898?0.0221s
100??0.387176.瞬变电流时间常数:
Td0X'd0.0221?0.329Td???0.003123s *Xd2.3322'177.超瞬变电流时间常数:
1Td\?T'd?0.0010297s
8178.负序电抗:X2?Xd''?Xq''?0.0749?0.0688?0.0718 179.直流分量时间常数:
Ta?X20.0718??0.00248s
2?fRa(75?)100??0.0922180.空载励磁持续短路电流倍数:fk0?Kc?0.603 181.额定励磁持续短路电流倍数:
fkN?FfNFad?3172.85?1.588 1997.81.051.8?1.05??25.23 ''Xd0.07490182.冲击电流短路倍数:fy?1.8?183.整步功率:Pr?5.10 有效材料
57.3PN????57.3?75?152.62kW/rad
30.31?0.929184.定子绕组铜重:Gcu1?1.05[lcaz1NtNsqa]?8.9?10?5
?5?1.05?56.1?48?4?12?2.0106?8.9?10??
185.励磁绕组铜重: 186.定子硅钢片重:
?18.21kg
GCuf?1.05[lcfWf?2pqf]?8.9?10?5
?1.05?90.87?160?2?2?5.22??8.9?10?5
?28.37kg
G?Fe?(D21?D2il)lFet?7.7?10?34
???2443?320??27.?67??.7 310 ?158.32kg
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