1、2022-7-222022-7-221 12022-7-222022-7-222 22022-7-222022-7-223 32022-7-222022-7-224 42022-7-222022-7-225 52022-7-222022-7-226 62022-7-222022-7-227 72022-7-222022-7-228 82022-7-222022-7-229 92022-7-222022-7-2210102022-7-222022-7-2211112022-7-222022-7-2212122022-7-222022-7-2213132022-7-222022-7-2214142
2、022-7-222022-7-2215152022-7-222022-7-2216162022-7-222022-7-2217172022-7-222022-7-2218182022-7-222022-7-2219192022-7-222022-7-2220202022-7-222022-7-2221212022-7-222022-7-2222222022-7-222022-7-2223232022-7-222022-7-2224242022-7-222022-7-2225252022-7-222022-7-2226262022-7-222022-7-2227272022-7-222022-7
3、-2228282022-7-222022-7-2229292022-7-222022-7-2230302022-7-222022-7-2231312022-7-222022-7-2232322022-7-222022-7-223333A中性点中性点XYZBC2022-7-222022-7-223434A中性点中性点XYZBCA中性点中性点XYZBC2022-7-222022-7-2235352022-7-222022-7-2236362022-7-222022-7-2237372022-7-222022-7-2238382022-7-222022-7-2239392022-7-222022-7
4、-224040tUumAB0sin)120(sin0omBCtUu)120(sin0omCAtUu2022-7-222022-7-2241412022-7-222022-7-2242420100200300400500-400-20002004000100200300400500-400-20002004000100200300400500-400-200020040002004006008001000-400-200020040002004006008001000-400-200020040002004006008001000-400-200020040002004006008001000-
5、500050002004006008001000-400-20002004002022-7-222022-7-224343暂降SAGS，DIPS中断INTERRUPTIONS暂升SWELLS瞬变TRANSIENTS谐波HARMONICS，DISTORTIONS陷波NOTCHES波动FLUCTUATIONS频率FREQUENCY DEVIATIONS2022-7-222022-7-2244442022-7-222022-7-2245452022-7-222022-7-2246462022-7-222022-7-2247472022-7-222022-7-2248482022-7-222022-7
6、-2249492022-7-222022-7-2250502022-7-222022-7-2251512022-7-222022-7-2252522022-7-222022-7-2253532022-7-222022-7-2254542022-7-222022-7-225555q 发电机q 同步调相机2022-7-222022-7-2256562022-7-222022-7-22575735KV及以上：510KV及以下：7低压照明：+5，-10农村电网：+7.5，-10 (+10，-15)l允许电压偏移指标l允许电压偏移指标2022-7-222022-7-225858中枢点的定义中枢点的选择2
7、022-7-222022-7-225959中枢点调压模式2022-7-222022-7-2260602022-7-222022-7-2261612022-7-222022-7-2262622022-7-222022-7-226363负荷总的变化情况负荷总的变化情况 随机分量随机分量 脉冲分量脉冲分量 持续分量持续分量2022-7-222022-7-2264642022-7-222022-7-2265652022-7-222022-7-2266662022-7-222022-7-2267672022-7-222022-7-2268682022-7-222022-7-2269692022-7-22
8、2022-7-2270702022-7-222022-7-2271712022-7-222022-7-2272722022-7-222022-7-2273732022-7-222022-7-2274742022-7-222022-7-2275752022-7-222022-7-2276762022-7-222022-7-2277772022-7-222022-7-2278782022-7-222022-7-2279792022-7-222022-7-2280802022-7-222022-7-2281812022-7-222022-7-2282822022-7-222022-7-2283832022-7-222022-7-2284842022-7-222022-7-2285852022-7-222022-7-228686206发电机功角图-20-1001020304000.420.841.241.662.082.52.923.343.764.184.65.025.445.866.286.7时间（秒）角度（度）2022-7-222022-7-2287872022-7-222022-7-2288882022-7-222022-7-2289892022-7-222022-7-2290902022-7-222022-7-2291912022-7-222022-7-229292
