- \n
- \u5b9a\u5b50\n
- \n
- \u673a\u5ea7<\/li>\n
- \u4e3b\u78c1\u6781<\/li>\n
- \u4e3b\u6781\u94c1\u82af<\/li>\n
- \u52b1\u78c1\u7ed5\u7ec4<\/li>\n
- \u6362\u5411\u5668<\/li>\n
- \u7535\u5237<\/li>\n
- \u7aef\u76d6<\/li>\n<\/ul>\n<\/li>\n
- \u8f6c\u5b50\n
- \n
- \u7535\u67a2\u94c1\u82af<\/li>\n
- \u7535\u67a2\u7ed5\u7ec4<\/li>\n
- \u6362\u5411\u5668<\/li>\n
- \u8f6c\u8f74<\/li>\n
- \u8f74\u627f<\/li>\n
- \u98ce\u6247<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
\u611f\u5e94\u7535\u52a8\u52bf\u4e0e\u7535\u78c1\u8f6c\u77e9<\/h3>\n
\u611f\u5e94\u7535\u52a8\u52bf<\/h4>\n
$E_a = C_e\\Phi n$
\n\u5176\u4e2d\uff0c\u7535\u52a8\u52bf\u5e38\u6570 $C_e = \\frac{pN}{60a}$
\n$p$ \uff1a \u78c1\u6781\u5bf9\u6570
\n$N$ \uff1a \u7535\u67a2\u7ed5\u7ec4\u7684\u603b\u5bfc\u4f53\u6570
\n$a$ \uff1a \u5e76\u8054\u652f\u8def\u5bf9\u6570
\n$\\Phi$ \uff1a\u6bcf\u6781\u78c1\u901a
\n$n$ \uff1a\u8f6c\u901f \uff08r \/ min\uff09<\/p>\n\u7535\u78c1\u8f6c\u77e9<\/h4>\n
$T = C_T \\Phi I_a$
\n\u5176\u4e2d\uff0c\u8f6c\u77e9\u5e38\u6570 $C_T = \\frac{pN}{2\\pi a}$<\/p>\n\u8f6c\u77e9\u5e38\u6570\u4e0e\u7535\u52a8\u52bf\u5e38\u6570\u7684\u5173\u7cfb\u5f0f
\n$C_T = 9.55C_e$<\/p>\n\u76f4\u6d41\u7535\u673a\u7279\u6027\u7684\u57fa\u672c\u5173\u7cfb\u5f0f<\/h3>\n
\n\n
\n \n<\/th>\n \u7535\u52a8\u673a<\/th>\n \u53d1\u7535\u673a<\/th>\n<\/tr>\n<\/thead>\n \n \u7535\u67a2\u56de\u8def\u7535\u538b<\/td>\n $U_a = E_a +I_aR_a$<\/td>\n $E_a = U_a + I_aR_a$<\/td>\n<\/tr>\n \n \u673a\u7535\u80fd\u91cf\u8f6c\u6362<\/td>\n $E_a = C_e\\Phi _n$
$T = C_T\\Phi I_a$<\/td>\n$E_a = C_e\\Phi _n$
$T = C_T\\Phi I_a$<\/td>\n<\/tr>\n\n \u673a\u68b0\u7cfb\u7edf\u8f6c\u77e9<\/td>\n $T=T_L=T_0+T_2$<\/td>\n $T_1=T+T_0$<\/td>\n<\/tr>\n \n \u52b1\u78c1\u548c\u4e3b\u78c1\u901a<\/td>\n $I_f = U_f \/ R_f$
$\\Phi = f(I_f,I_n)$<\/td>\n$I_f = U_f \/ R_f$
$\\Phi = f(I_f,I_n)$<\/td>\n<\/tr>\n\n \u529f\u7387\u5e73\u8861<\/td>\n $P_1 = P_M + p_{Cua}$
$P_M = P_0+P_2$<\/td>\n$P_1 = P_M + P_0 = P_2 + \\Sigma P$
$\\Sigma P = p_{Cua} + P_m + p_{Fe}$<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u5176\u4e2d\uff0c<\/p>\n
- \n
- $U_a$ \uff1a \u7535\u67a2\u4e24\u7aef\u7684\u7aef\u7535\u538b
\n$E_a$ \uff1a \u7535\u67a2\u611f\u5e94\u7535\u52a8\u52bf
\n$I_a$ \uff1a \u7535\u67a2\u7535\u6d41
\n$T$ \uff1a \u7535\u78c1\u8f6c\u77e9
\n$T_L$ \uff1a \u8d1f\u8f7d\u8f6c\u77e9
\n$T_0$ \uff1a \u7a7a\u8f7d\u8f6c\u77e9
\n$T_1$ \uff1a \u539f\u52a8\u673a\u62d6\u52a8\u53d1\u7535\u52a8\u673a\u7684\u62d6\u52a8\u8f6c\u77e9
\n$T_2$ \uff1a \u7535\u52a8\u673a\u7684\u8f93\u51fa\u8f6c\u77e9
\n$n$ \uff1a \u7535\u52a8\u673a\u7684\u8f6c\u901f
\n$U_f$ \uff1a \u52b1\u78c1\u7535\u538b
\n$I_f$ \uff1a \u52b1\u78c1\u7535\u6d41
\n$\\Phi$ \uff1a \u4e3b\u78c1\u901a
\n$\\Omega$ \uff1a \u673a\u68b0\u89d2\u901f\u5ea6 $\\Omega = \\frac{2\\pi n}{60}$<\/li>\n<\/ul>\n\u5bf9\u4e8e\u7535\u52a8\u673a\uff1a<\/p>\n
- \n
- $P_1$ \uff1a \u7535\u52a8\u673a\u4ece\u7535\u6e90\u8f93\u5165\u7684\u7535\u529f\u7387\uff0c $P = UI_a$
\n$P_M$ \uff1a \u7535\u78c1\u529f\u7387\uff0c $P_M = T\\Omega = E_a I_a$
\n$p_{Cua}$ \uff1a \u7535\u67a2\u56de\u8def\u603b\u7684\u94dc\u635f\u8017
\n$p_0$ \uff1a \u7a7a\u8f7d\u635f\u8017\uff0c\u5305\u62ec\u94c1\u635f\u8017$p_{Fe}$\u548c\u673a\u68b0\u6469\u64e6\u635f\u8017$p_m$\uff0c $p_m = p_0 + P_2$
\n$P_2$ \uff1a\u8f6c\u8f74\u4e0a\u8f93\u51fa\u7684\u673a\u68b0\u529f\u7387\uff0c$P_2 = T_2 \\Omega$<\/li>\n<\/ul>\n\u603b\u7ed3<\/strong><\/p>\n
- \n
- \u5bf9\u4e8e\u7535\u52a8\u673a
\n\u8f93\u5165\u529f\u7387\u7ecf\u8fc7\u94dc\u635f\u8017\uff08$P = I^2R$\uff09\u5269\u4e0b\u7684\u4e3a\u7535\u78c1\u529f\u7387
\n\u7535\u78c1\u529f\u7387\u7ecf\u8fc7\u7a7a\u8f7d\u635f\u8017 \u5269\u4e0b\u6765\u7684\u662f\u8f93\u51fa\u529f\u7387<\/li>\n<\/ul>\n\u4f8b\u9898<\/strong><\/p>\n
\n \u5df2\u77e5\u4e00\u53f0\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u6570\u636e\u4e3a$P_N = 75kW,U_N=220V,I_{aN}=383A,n_N=1500rpm,R_a=0.0192\\Omega$\uff0c\u5ffd\u7565\u78c1\u8def\u9971\u548c\u7684\u5f71\u54cd\u3002
\n \u6c42\uff1a\u989d\u5b9a\u8fd0\u884c\u65f6\u7684\u7535\u78c1\u8f6c\u77e9\u3001\u8f93\u51fa\u8f6c\u77e9\u3001\u8f93\u5165\u529f\u7387\u548c\u6548\u7387\n<\/p><\/blockquote>\n- \n
- \u6c42\u51fa\u611f\u5e94\u7535\u52a8\u52bf\u548c\u7535\u78c1\u529f\u7387<\/li>\n
- \u6709\u7535\u78c1\u8f6c\u77e9$T = C_T\\Phi I_a$
\n$I_a = \\frac{P_M}{C_e\\Phi n}$
\n\u5f97 $T = 9.55\\frac{P_M}{n}$<\/li>\n - \u8f93\u51fa\u8f6c\u77e9$T = 9.55\\frac{P_N}{n}$<\/li>\n<\/ul>\n
\u76f4\u6d41\u7535\u673a\u7684\u90e8\u5206\u7279\u6027<\/h3>\n
\u4e32\u52b1\u76f4\u6d41\u7535\u52a8\u673a<\/h4>\n
\u5bf9\u4e8e\u4e32\u52b1\u76f4\u6d41\u7535\u52a8\u673a\uff0c\u52b1\u78c1\u7535\u6d41\u4e0e\u7535\u67a2\u7535\u6d41\u76f8\u540c
\n\u6709\u8f6c\u901f $n = \\frac{E_a}{C_e \\Phi} = \\frac{U - I_a R_a}{C_e \\Phi}$
\n\u5982\u679c\u78c1\u8def\u6ca1\u6709\u9971\u548c\uff0c\u901f\u5ea6\u4f1a\u53d8\u5feb\uff0c\u53ef\u80fd\u98de\u8f66\u3002
\n\u6240\u4ee5\uff0c\u4e32\u52b1\u7535\u52a8\u673a\u4e0d\u5141\u8bb8\u5728\u8d1f\u8f7d\u4f4e\u4e8e\u989d\u5b9a\u7684 15% \u4e0b\u8fd0\u884c<\/p>\n\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u673a\u68b0\u7279\u6027<\/h4>\n
\u673a\u68b0\u7279\u6027\u8868\u8fbe\u5f0f\uff1a
\n$n = \\frac{E_a}{C_e\\Phi} = \\frac{U - I_a R_a}{C_e\\Phi} = \\frac{U}{C_e \\Phi} - \\frac{R_a}{C_e C_T \\Phi ^2} T$
\n\u6539\u5199\u6210
\n$n = n_0 - \\beta T = n_0 - \\Delta n$
\n\u5f0f\u4e2d\uff0c
\n$n_0$ \u4e3a $T = 0$\u65f6\u7684\u8f6c\u901f\uff0c\u79f0\u4e3a\u7406\u60f3\u7a7a\u8f7d\u8f6c\u901f\uff0c$n_0 = \\frac{U}{C_e\\Phi}$
\n$\\beta$ \u4e3a \u673a\u68b0\u7279\u6027\u7684\u659c\u7387\uff0c $\\beta = \\frac{R_a}{C_e C_T \\Phi ^2}$
\n$\\Delta n$ \u4e3a\u8f6c\u901f\u964d\uff0c$\\Delta n = \\beta T$<\/p>\n\u53ef\u4ee5\u505a\u51fa\u4e00\u4e2a\u66f2\u7ebf\uff0c\u79f0\u4e3a\u56fa\u6709\u673a\u68b0\u7279\u6027\u66f2\u7ebf\uff0c\u5b58\u5728\u4ee5\u4e0b\u7279\u70b9\uff1a
\n1. \u968f\u7740\u7535\u78c1\u8f6c\u77e9\u589e\u5927\uff0c\u8f6c\u901f\u964d\u4f4e
\n2. \u786c\u7279\u6027<\/p>\n\n \u5173\u4e8e\u786c\u7279\u6027\u4e0e\u8f6f\u7279\u6027
\n \u673a\u68b0\u7279\u6027\u7684\u659c\u7387\u8d8a\u5927\uff0c\u673a\u68b0\u7279\u6027\u8d8a\u8f6f
\n \u5bf9\u4e8e\u4ed6\u52b1\u7535\u52a8\u673a\uff0c\u673a\u68b0\u7279\u6027\u901a\u5e38\u504f\u786c\n<\/p><\/blockquote>\n\u4eba\u4e3a\u673a\u68b0\u7279\u6027<\/h5>\n
\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u7535\u538b\u3001\u78c1\u901a\u3001\u7535\u67a2\u56de\u8def\u7535\u963b\u4eba\u4e3a\u5730\u6539\u53d8\u540e\uff0c\u5176\u5bf9\u5e94\u7684\u673a\u68b0\u7279\u6027\u79f0\u4e3a\u4eba\u4e3a\u673a\u68b0\u7279\u6027<\/em>
\n\u4e3b\u8981\u6709\u4e09\u79cd\uff1a
\n1. \u7535\u67a2\u56de\u8def\u4e32\u7535\u963b
\n2. \u6539\u53d8\u7535\u67a2\u7535\u538b
\n3. \u51cf\u5f31\u78c1\u901a<\/p>\n\u4f8b\u9898<\/strong><\/p>\n
\n \u4e00\u53f0\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u989d\u5b9a\u529f\u7387 $P_N = 75\\mathrm{kW}$ \uff0c\u989d\u5b9a\u7535\u538b $ U_N = 220\\mathrm{V}$ \uff0c\u989d\u5b9a\u7535\u6d41 $I_N = 385\\mathrm{A}$ \uff0c\u989d\u5b9a\u8f6c\u901f $n_N = 1000\\mathrm{r\/min}$ \uff0c\u7535\u67a2\u56de\u8def\u603b\u7535\u963b $R_a = 0.01824\\Omega$ \uff0c\u7535\u52a8\u673a\u5e26\u989d\u5b9a\u6052\u8f6c\u77e9\u8d1f\u8f7d\u8fd0\u884c\u3002\u82e5\u8981\u6c42\u8f6c\u901f\u8c03\u5230 $400\\mathrm{r\/min}$ \uff0c\u5047\u5b9a $T_0$ \u4e0d\u53d8\u3002\u6c42\uff1a
\n \uff081\uff09\u91c7\u7528\u7535\u67a2\u4e32\u7535\u963b\u8c03\u901f\u65f6\uff0c\u7535\u67a2\u56de\u8def\u9700\u4e32\u5165\u591a\u5927\u7684\u7535\u963b\uff1f\u8be5\u8f6c\u901f\u4e0b\u7535\u52a8\u673a\u7684\u6548\u7387\u662f\u591a\u5c11\uff1f
\n \uff082\uff09\u91c7\u7528\u6539\u53d8\u7535\u67a2\u7535\u6e90\u7535\u538b\u8c03\u901f\u65f6\uff0c\u7535\u6e90\u7535\u538b\u5e94\u8c03\u5230\u591a\u5c11\u4f0f\uff1f\u7535\u52a8\u673a\u7684\u6548\u7387\u662f\u591a\u5c11\uff1f\n<\/p><\/blockquote>\n\u5bf9\u4e8e\u95ee\u9898\u4e00
\n1. \u5148\u6c42\u51fa\u8981\u6c42\u8f6c\u901f\u4e0b\u7684\u611f\u5e94\u7535\u52a8\u52bf
\n \u516c\u5f0f$E = C_e\\Phi n$\uff0c\u9700\u8981\u77e5\u9053$C_e\\Phi$
\n \u901a\u8fc7\u5df2\u77e5\u6761\u4ef6\u6c42\u51fa\u6765
\n $U_N - I_NR = C_e\\Phi n_N$
\n \u5f97$C_e\\Phi = 0.213$
\n \u6c42\u5f97 400rpm\u4e0b\u611f\u5e94\u7535\u52a8\u52bf\u4e3a 85.2V
\n2. \u4e32\u5165\u7535\u963b\u52a0\u4e0a\u539f\u6765\u7684\u7535\u963b\u5e94\u8be5\u5206\u8d70$(220 - 85.2)V$\uff0c\u5bb9\u6613\u8ba1\u7b97
\n3. \u8f93\u51fa\u529f\u7387\u8fd8\u6709\u4e00\u4e2a\u7a7a\u8f7d\u635f\u8017\uff0c\u7b97\u51fa\u7a7a\u8f7d\u635f\u8017
\n \u989d\u5b9a\u8f6c\u901f\u4e0b \u7535\u78c1\u529f\u7387\u51cf\u53bb\u8f93\u51fa\u529f\u7387\u5c31\u662f\u7a7a\u8f7d\u635f\u8017
\n \u7a7a\u8f7d\u635f\u8017\u6ee1\u8db3 $p = T\\Omega$
\n \u6240\u4ee5\u53ef\u4ee5\u7b97\u51fa400rpm\u4e0b\u7a7a\u8f7d\u635f\u8017
\n \u7136\u540e\u8ba1\u7b97\u6548\u7387<\/p>\n\u5bf9\u4e8e\u95ee\u9898\u4e8c
\n1. \u7b97\u51fa\u7406\u60f3\u7a7a\u8f7d\u8f6c\u901f
\n $n = \\frac{U_N}{C_e\\Phi}$
\n \u5f97\u51fa$\\Delta n$
\n2. \u5f97\u51fa\u7a7a\u8f7d\u7535\u538b
\n3. \u5f97\u51fa\u8f93\u5165\u529f\u7387\u548c\u8f93\u51fa\u529f\u7387
\n4. \u8ba1\u7b97\u6548\u7387<\/p>\n\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u5236\u52a8<\/h5>\n
- \n
- \u80fd\u8017\u5236\u52a8
\n\u7535\u6e90\u65ad\u5f00\uff0c\u4e32\u5165\u7535\u963b<\/li>\n - \u53cd\u63a5\u5236\u52a8
\n\u7535\u6e90\u53cd\u5411\uff0c\u4e32\u5165\u9650\u6d41\u7535\u963b<\/li>\n - \u5012\u62c9\u53cd\u8f6c\u5236\u52a8
\n\u7535\u6e90\u6b63\u5411\uff0c\u4e32\u5165\u7535\u963b
\n\u8d1f\u8f7d\u62d6\u52a8\u7535\u673a\u65cb\u8f6c\uff0c\u4f7f\u5f97\u7535\u673a\u8d85\u8fc7\u7a7a\u8f6c\u8f6c\u901f\u3002\u7535\u673a\u63d0\u4f9b\u5236\u52a8\u529b
\n\u52a8\u80fd >> \u70ed\u80fd<\/li>\n - \u56de\u9988\u5236\u52a8
\n\u52a8\u80fd >> \u7535\u80fd<\/li>\n<\/ul>\n\u4f8b\u9898<\/strong><\/p>\n
\n \u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u7684\u989d\u5b9a\u529f\u7387$P_N = 75kW$\uff0c\u989d\u5b9a\u7535\u538b$U_N = 220V$\uff0c\u989d\u5b9a\u8f6c\u901f$n_N = 1000r\/min$\uff0c\u989d\u5b9a\u7535\u6d41$I_n=385A$, \u7535\u67a2\u56de\u8def\u603b\u7535\u963b$R_a = 0.018242\\Omega$\uff0c\u7535\u52a8\u673a\u62d6\u52a8\u4f4d\u80fd\u6027\u8d1f\u8f7d$T_L=0.8T_N$\u8fd0\u884c\u3002\u82e5\u8981\u6c42\u7535\u673a\u4e00\u8f6c\u901f$250rpm$\u4e0b\u653e\u8d1f\u8f7d\uff0c\u6c42\uff1a
\n \u91c7\u7528\u80fd\u8017\u5236\u52a8\u8fd0\u884c\u65f6\uff0c\u7535\u67a2\u56de\u8def\u5e94\u8be5\u4e32\u5165\u591a\u5927\u7684\u7535\u963b\uff1f\u8be5\u7535\u963b\u4e0a\u635f\u8017\u7684\u529f\u7387\u6709\u591a\u5927\uff1f
\n \u91c7\u7528\u5012\u62c9\u53cd\u8f6c\u8fd0\u884c\u65f6\uff0c\u7535\u67a2\u56de\u8def\u5e94\u8be5\u4e32\u5165\u591a\u5927\u7684\u7535\u963b\uff1f\u8be5\u7535\u963b\u4e0a\u635f\u8017\u7684\u529f\u7387\u662f\u591a\u5c11\uff1f
\n \u91c7\u7528\u6539\u53d8\u7535\u67a2\u7535\u6e90\u7535\u538b\u7684\u53cd\u5411\u56de\u9988\u5236\u52a8\u8fd0\u884c\u65f6\uff0c\u7535\u67a2\u56de\u8def\u4e0d\u4e32\u7535\u963b\uff0c\u53cd\u5411\u7535\u67a2\u7535\u6e90\u7535\u538b\u5e94\u8be5\u8c03\u5230\u591a\u5c11$V$?\u82e5\u53cd\u5411\u7535\u67a2\u7535\u6e90\u7535\u538b\u8c03\u5230\u989d\u5b9a\u7535\u538b\uff0c\u4e0b\u653e\u901f\u5ea6\u53d8\u4e3a\u591a\u5c11\uff1f\n<\/p><\/blockquote>\n- \n
- \u5bf9\u4e8e\u9898\u4e00\u548c\u9898\u4e8c\uff0c\u5173\u952e\u5730\u65b9\u5728\u4e8e\u6c42\u51fa\u611f\u5e94\u7535\u52a8\u52bf\u548c\u56de\u8def\u7535\u6d41\u3002
\n\u901a\u8fc7\u9898\u7ed9\u6761\u4ef6\u6c42\u5f97$C_e\\Phi$
\n\u5bb9\u6613\u6c42\u5f97$E_a = C_e\\Phi n$
\n\u56e0\u4e3a$T_L = 0.8T_N$\uff0c\u5bb9\u6613\u6c42\u5f97\u7535\u6d41<\/li>\n - \u5bf9\u4e8e\u9898\u4e09\uff0c\u9700\u8981\u6c42\u51fa\u7ed9\u5b9a\u8f6c\u901f\u4e0b\u635f\u8017\u90e8\u5206\u7684\u8f6c\u901f
\n\u7406\u60f3\u72b6\u6001\u7684\u7a7a\u8f6c\u8f6c\u901f\u4e3a$n = \\frac{U}{C_e\\Phi}$
\n\u73b0\u5b9e\u60c5\u51b5\u7684\u8f6c\u901f\u4e3a$n=\\frac{U - IR}{C_e\\Phi}$
\n\u8fdb\u800c\u6c42\u5f97\u7ed9\u5b9a\u8f6c\u901f\u4e0b\u751f\u6210\u7684\u7535\u538b\uff0c\u6216\u8005\u7ed9\u5b9a\u7535\u538b\u4e0b\u7684\u8f6c\u901f<\/li>\n<\/ul>\n\u7ae0\u8282\u95ee\u7b54\u9898<\/h3>\n
\n \u6362\u5411\u5668\u5728\u76f4\u6d41\u53d1\u7535\u673a\u548c\u76f4\u6d41\u7535\u52a8\u673a\u4e2d\u8d77\u4ec0\u4e48\u4f5c\u7528\n<\/p><\/blockquote>\n
\u6574\u6d41\uff08\u53d1\u7535\u673a\uff09
\n\u9006\u53d8\uff08\u7535\u52a8\u673a\uff09<\/p>\n\n \u4e3a\u4ec0\u4e48\u76f4\u6d41\u7535\u673a\u7684\u8f6c\u5b50\u94c1\u82af\u8981\u7528\u8868\u9762\u6709\u7edd\u7f18\u5c42\u7684\u7845\u94a2\u7247\u53e0\u538b\u800c\u6210\n<\/p><\/blockquote>\n
\u51cf\u5c11\u6da1\u6d41\u635f\u8017<\/strong>
\n\u7845\u94a2\u7247\u672c\u8eab\u7535\u963b\u7387\u8f83\u9ad8\uff0c\u53e0\u52a0\u5e76\u7edd\u7f18\u66f4\u52a0\u51cf\u5c11\u6da1\u6d41\u901a\u8def\uff0c\u51cf\u5c11\u94c1\u635f\u53d1\u70ed<\/p>\n\n \u4e3b\u78c1\u6781\u548c\u7535\u67a2\u94c1\u82af\u90fd\u662f\u7535\u673a\u78c1\u8def\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u4f46\u5176\u51b2\u7247\u6750\u6599\u4e3a\u4ec0\u4e48\u4e00\u4e2a\u7528\u8584\u94a2\u677f\uff0c\u4e00\u4e2a\u7528\u7845\u94a2\u7247\n<\/p><\/blockquote>\n
\u4e3b\u78c1\u6781\u94c1\u82af\u901a\u8fc7\u7684\u662f\u6052\u5b9a\u65b9\u5411\u7684\u4e3b\u78c1\u901a<\/strong>\uff0c\u4e0d\u4ea7\u751f\u6da1\u6d41\u635f\u8017\uff0c\u53ef\u4ee5\u964d\u4f4e\u6210\u672c
\n\u7535\u67a2\u94c1\u82af\u65cb\u8f6c\u65f6\uff0c\u5176\u5185\u90e8\u78c1\u573a\u4ea4\u53d8<\/strong>\uff0c\u4f1a\u4ea7\u751f\u5de8\u5927\u7684\u6da1\u6d41\u635f\u8017\uff0c\u5fc5\u987b\u4f7f\u7528\u7845\u94a2\u7247\u53e0\u538b\u51cf\u5c11\u6da1\u6d41\u635f\u8017<\/p>\n\n \u4ec0\u4e48\u662f\u76f4\u6d41\u7535\u673a\u7684\u7535\u67a2\u53cd\u5e94?\u5176\u7ed3\u679c\u662f\u4ec0\u4e48?\n<\/p><\/blockquote>\n
\u5b9a\u4e49\uff1a\u7535\u67a2\u78c1\u573a\u5bf9\u4e3b\u78c1\u573a\u7684\u5f71\u54cd\u548c\u4f5c\u7528
\n\u7ed3\u679c\uff1a<\/p>\n- \n
- \u78c1\u573a\u7578\u53d8\uff08\u7269\u7406\u4e2d\u6027\u7ebf\u504f\u79fb\uff09\uff1a \u4f7f\u6c14\u9699\u78c1\u573a\u53d1\u751f\u626d\u66f2\uff0c\u539f\u6765\u7684\u51e0\u4f55\u4e2d\u6027\u7ebf\u4e0d\u518d\u662f\u7684\u78c1\u611f\u5e94\u5f3a\u5ea6\u4e3a\u96f6\u7684\u4f4d\u7f6e\uff0c\u7269\u7406\u4e2d\u6027\u7ebf\u9006\u8f6c\u5411\uff08\u53d1\u7535\u673a\uff09\u6216\u987a\u8f6c\u5411\uff08\u7535\u52a8\u673a\uff09\u504f\u79fb\u3002\u8fd9\u4f1a\u7ed9\u6362\u5411\u5e26\u6765\u56f0\u96be\uff0c\u6613\u4ea7\u751f\u706b\u82b1\u3002<\/li>\n
- \u53bb\u78c1\u6548\u5e94\uff1a \u7535\u67a2\u78c1\u52a8\u52bf\u7684\u4ea4\u8f74\u5206\u91cf\u4f7f\u4e3b\u78c1\u573a\u4e00\u534a\u589e\u5f3a\u3001\u4e00\u534a\u524a\u5f31\uff0c\u4f46\u7531\u4e8e\u78c1\u8def\u9971\u548c\uff0c\u589e\u5f3a\u7684\u90e8\u5206\u5c11\u4e8e\u524a\u5f31\u7684\u90e8\u5206\uff0c\u5bfc\u81f4\u6bcf\u6781\u4e0b\u7684\u5408\u6210\u78c1\u901a\u91cf\u7565\u6709\u51cf\u5c11\u3002<\/li>\n<\/ul>\n
\n \u7b80\u8ff0\u76f4\u6d41\u7535\u52a8\u673a\u7684\u5de5\u4f5c\u539f\u7406\u3002\n<\/p><\/blockquote>\n
\u57fa\u4e8e\u201c\u8f7d\u6d41\u5bfc\u4f53\u5728\u78c1\u573a\u4e2d\u53d7\u529b\u201d\u7684\u7535\u78c1\u529b\u5b9a\u5f8b\u3002<\/p>\n
- \n
- \u5c06\u76f4\u6d41\u7535\u6e90\u63a5\u5728\u4e24\u7535\u5237\u4e4b\u95f4\uff0c\u7535\u6d41\u7531\u6b63\u5237\u6d41\u5165\uff0c\u7ecf\u7535\u67a2\u7ed5\u7ec4\u540e\u4ece\u8d1f\u5237\u6d41\u51fa\u3002<\/p>\n<\/li>\n
- \n
\u5728N\u6781\u4e0b\u7684\u5bfc\u4f53\u7535\u6d41\u65b9\u5411\u4e3a\u4e00\u4e2a\u65b9\u5411\uff0c\u5728S\u6781\u4e0b\u7684\u5bfc\u4f53\u7535\u6d41\u65b9\u5411\u4e3a\u53e6\u4e00\u4e2a\u65b9\u5411\u3002<\/p>\n<\/li>\n
- \n
\u6240\u6709\u5bfc\u4f53\u5747\u53d7\u5230\u65b9\u5411\u76f8\u540c\u7684\u7535\u78c1\u529b\uff0c\u5f62\u6210\u9a71\u52a8\u8f6c\u5b50\u65cb\u8f6c\u7684\u7535\u78c1\u8f6c\u77e9\u3002<\/p>\n<\/li>\n
- \n
\u6362\u5411\u5668\u7684\u4f5c\u7528\u662f\u786e\u4fdd\u5bfc\u4f53\u4ece\u4e00\u4e2a\u78c1\u6781\u4e0b\u8f6c\u5230\u53e6\u4e00\u4e2a\u78c1\u6781\u4e0b\u65f6\uff0c\u5176\u7535\u6d41\u65b9\u5411\u80fd\u53ca\u65f6\u6539\u53d8\uff0c\u4ece\u800c\u4fdd\u8bc1\u7535\u78c1\u8f6c\u77e9\u7684\u65b9\u5411\u59cb\u7ec8\u4e00\u81f4\uff0c\u7535\u673a\u6301\u7eed\u65cb\u8f6c\u3002<\/p>\n<\/li>\n<\/ol>\n
\n
\u4e3b\u78c1\u901a\u65e2\u8fde\u7740\u7535\u67a2\u7ed5\u7ec4\u53c8\u8fde\u7740\u52b1\u78c1\u7ed5\u7ec4\uff0c\u4e3a\u4ec0\u4e48\u53ea\u5728\u7535\u67a2\u7ed5\u7ec4\u91cc\u4ea7\u751f\u611f\u5e94\u7535\u52a8\u52bf?\n<\/p><\/blockquote>\n
\u52b1\u78c1\u7ed5\u7ec4\u9759\u6b62\uff0c\u5e76\u4e14\u4e3b\u78c1\u901a\u6052\u5b9a
\n\u4e0d\u5177\u5907\u4ea7\u751f\u7535\u52a8\u52bf\u7684\u5fc5\u8981\u6761\u4ef6<\/p>\n\n \u4e00\u53f0\u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\uff0c\u5982\u679c\u52b1\u78c1\u7535\u6d41\u548c\u88ab\u62d6\u52a8\u7684\u8d1f\u8f7d\u8f6c\u77e9\u4e0d\u53d8\uff0c\u800c\u4ec5\u4ec5\u63d0\u9ad8\u7535\u67a2\u7aef\u7535\u538b\uff0c\u8bd5\u95ee\u7535\u67a2\u7535\u6d41\u3001\u8f6c\u901f\u53d8\u5316\u5982\u4f55?\n<\/p><\/blockquote>\n
\u8d1f\u8f7d\u8f6c\u77e9\u4e0d\u53d8 >> \u7535\u78c1\u8f6c\u77e9\u4e0d\u53d8
\n\u7535\u78c1\u8f6c\u77e9\u4e0d\u53d8 >> $T$ \u4e0d\u53d8 >> $T = C_T\\Phi I$ >> \u7535\u67a2\u7535\u6d41\u4e0d\u53d8
\n\u63d0\u9ad8\u7535\u67a2\u7535\u538b >> $U - IR = C_e\\Phi n$ >> \u8f6c\u901f\u4e0a\u5347<\/p>\n\n \u5982\u4f55\u5224\u522b\u76f4\u6d41\u7535\u673a\u8fd0\u884c\u4e8e\u53d1\u7535\u673a\u72b6\u6001\u8fd8\u662f\u7535\u52a8\u673a\u72b6\u6001?\u5b83\u4eec\u7684$T,n,E_a,U_a,I_a$\u7684\u65b9\u5411\u6709\u4f55\u4e0d\u540c?\u80fd\u91cf\u8f6c\u6362\u5173\u7cfb\u5982\u4f55?\n<\/p><\/blockquote>\n
\n\n
\n \n\u7269\u7406\u91cf<\/th>\n \u7535\u52a8\u673a\u72b6\u6001<\/th>\n \u53d1\u7535\u673a\u72b6\u6001<\/th>\n<\/tr>\n<\/thead>\n \n \u7535\u52a8\u52bf$E_a$<\/td>\n $E_a<U_a$<\/td>\n $E_a >U_a$<\/td>\n<\/tr>\n \n \u7535\u67a2\u7535\u6d41$I_a$<\/td>\n \u4e0e\u7535\u6e90\u7535\u538b$U_a$\u540c\u5411<\/td>\n \u4e0e\u7535\u6e90\u7535\u538b$U_a$\u53cd\u5411<\/td>\n<\/tr>\n \n \u7535\u78c1\u8f6c\u77e9$T$<\/td>\n \u4e0e\u8f6c\u901f\u540c\u5411<\/td>\n \u4e0e\u8f6c\u901f\u53cd\u5411<\/td>\n<\/tr>\n \n \u80fd\u91cf\u8f6c\u6362<\/td>\n \u7535\u80fd >> \u673a\u68b0\u80fd<\/td>\n \u673a\u68b0\u80fd >> \u7535\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n \u4e3a\u4ec0\u4e48\u76f4\u6d41\u7535\u52a8\u673a\u76f4\u63a5\u8d77\u52a8\u65f6\u8d77\u52a8\u7535\u6d41\u5f88\u5927?\n<\/p><\/blockquote>\n
\u542f\u52a8\u65f6\u5019\u8f6c\u901f\u4e3a0
\n\u6839\u636e\u516c\u5f0f $U = E_a + I_aR_a$\uff0c\u542f\u52a8\u7535\u6d41$I = U \/ R$
\n\u56e0\u4e3a\u7535\u67a2\u7535\u963b\u5f88\u5c0f\uff0c\u6240\u4ee5\u542f\u52a8\u7535\u6d41\u76f8\u5f53\u5927<\/p>\n\n \u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u8d77\u52a8\u8fc7\u7a0b\u4e2d\u6709\u54ea\u4e9b\u8981\u6c42?\u5982\u4f55\u5b9e\u73b0?\n<\/p><\/blockquote>\n
\u8981\u6c42\uff1a<\/p>\n
- \n
- \u8d77\u52a8\u8f6c\u77e9\u8db3\u591f\u5927\uff0c\u4ee5\u514b\u670d\u9759\u6469\u64e6\u3002<\/p>\n<\/li>\n
- \n
\u8d77\u52a8\u7535\u6d41\u4e0d\u80fd\u8fc7\u5927\uff0c\u4ee5\u514d\u70e7\u574f\u7535\u67a2\u7ed5\u7ec4\u548c\u51b2\u51fb\u7535\u7f51\u3002<\/p>\n<\/li>\n<\/ul>\n
\u5b9e\u73b0\u65b9\u6cd5\uff1a\u7535\u67a2\u56de\u8def\u4e32\u7535\u963b\u8d77\u52a8 \u6216 \u964d\u538b\u8d77\u52a8\u3002\u6838\u5fc3\u90fd\u662f\u5728\u8d77\u52a8\u65f6\u964d\u4f4e\u7535\u67a2\u7ed5\u7ec4\u4e0a\u7684\u5b9e\u9645\u7535\u538b\uff0c\u4ece\u800c\u9650\u5236\u8d77\u52a8\u7535\u6d41\u3002<\/p>\n
\n \u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u8d77\u52a8\u65f6\uff0c\u4e3a\u4ec0\u4e48\u4e00\u5b9a\u8981\u5148\u628a\u52b1\u78c1\u7535\u6d41\u52a0\u4e0a?\u82e5\u5fd8\u4e86\u5148\u5408\u52b1\u78c1\u7ed5\u7ec4\u7684\u7535\u6e90\u5f00\u5173\u5c31\u628a\u7535\u67a2\u7535\u6e90\u63a5\u901a\uff0c\u8fd9\u65f6\u4f1a\u4ea7\u751f\u4ec0\u4e48\u73b0\u8c61(\u8bd5\u4eceT=0\u548cT=T\u4e24\u79cd\u60c5\u51b5\u52a0\u4ee5\u5206\u6790)?\u5f53\u7535\u52a8\u673a\u8fd0\u884c\u5728\u989d\u5b9a\u8f6c\u901f\u4e0b\uff0c\u82e5\u7a81\u7136\u5c06\u52b1\u78c1\u7ec4\u65ad\u5f00\uff0c\u6b64\u65f6\u53c8\u5c06\u51fa\u73b0\u4ec0\u4e48\u60c5\u51b5?\n<\/p><\/blockquote>\n
\u4e3a\u4ec0\u4e48\u5148\u52a0\u52b1\u78c1\u7535\u6d41\uff1f
\n\u6ca1\u6709\u52b1\u78c1\u7535\u673a\u65e0\u6cd5\u542f\u52a8\uff0c\u4f1a\u70e7\u574f\u7535\u67a2<\/p>\n\u8fd0\u884c\u65f6\u52b1\u78c1\u65ad\u5f00\uff1f
\n\u6839\u636e\u516c\u5f0f$n = \\frac{E}{C_e\\Phi}$
\n\u5982\u679c\u8d1f\u8f7d\u8f83\u91cd\uff0c\u8f6c\u901f\u53ef\u80fd\u4e0b\u964d\uff0c\u5bfc\u81f4\u7535\u6d41\u52a0\u5927\uff0c\u70e7\u6bc1\u7535\u67a2
\n\u5982\u679c\u8f6c\u901f\u4e0d\u53d8\uff0c\u5bfc\u81f4\u611f\u5e94\u7535\u52a8\u52bf\u4e0b\u964d\uff0c\u7535\u6d41\u52a0\u5927\uff0c\u70e7\u6bc1\u7535\u67a2
\n\u5982\u679c\u8d1f\u8f7d\u8f83\u8f7b\uff0c\u8f6c\u901f\u4e0a\u5347\uff0c\u5bfc\u81f4\u98de\u8f66<\/p>\n\n \u76f4\u6d41\u4e32\u52b1\u7535\u52a8\u673a\u80fd\u5426\u7a7a\u8f7d\u8fd0\u884c?\u4e3a\u4ec0\u4e48?\n<\/p><\/blockquote>\n
\u4e0d\u80fd\u3002\u4f1a\u98de\u8f66\uff08\u53c2\u89c1\u4e0a\u4e00\u9898\uff09<\/p>\n
\n \u76f4\u6d41\u7535\u52a8\u673a\u7528\u7535\u67a2\u56de\u8def\u4e32\u7535\u963b\u7684\u65b9\u6cd5\u8d77\u52a8\u65f6\uff0c\u4e3a\u4ec0\u4e48\u8981\u9010\u7ea7\u5207\u9664\u8d77\u52a8\u7535\u963b?\u82e5\u8d77\u52a8\u7535\u963b\u7559\u5728\u7535\u67a2\u7535\u8def\u4e2d\uff0c\u5bf9\u7535\u52a8\u673a\u8fd0\u884c\u6709\u4ec0\u4e48\u5f71\u54cd?\u82e5\u5207\u9664\u592a\u5feb\u3001\u4f1a\u5e26\u6765\u4ec0\u4e48\u540e\u679c?\n<\/p><\/blockquote>\n
\u9010\u7ea7\u79fb\u9664\u7535\u963b\uff1a\u968f\u7740\u8f6c\u901f\u4e0a\u5347\uff0c\u53cd\u7535\u52a8\u52bf\u589e\u5927\uff0c\u7535\u6d41\u51cf\u5c0f\u3002\u4e3a\u4e86\u7ef4\u6301\u8f93\u51fa\u8f6c\u77e9\uff0c\u9700\u8981\u4fdd\u6301\u7535\u6d41\u3002
\n\u7535\u963b\u7559\u5728\u7535\u8def\u4e2d\uff1f\u8f6c\u901f\u4e0a\u5347\uff0c\u7535\u6d41\u4e0b\u964d\uff0c\u8f93\u51fa\u8f6c\u77e9\u4e0b\u964d\uff0c\u5bfc\u81f4\u52a8\u529b\u4e0d\u8db3\u3002\u5e76\u4e14\u7535\u963b\u8017\u7535\uff0c\u964d\u4f4e\u6548\u7387
\n\u5207\u9664\u592a\u5feb\uff1f\u7535\u67a2\u7535\u6d41\u8fc7\u5927\uff0c\u51b2\u51fb\u7535\u7f51\u548c\u7535\u673a<\/p>\n\n \u4ed6\u52b1\u76f4\u6d41\u7535\u52a8\u673a\u6709\u54ea\u4e9b\u65b9\u6cd5\u8fdb\u884c\u8c03\u901f?\u5176\u7279\u70b9\u662f\u4ec0\u4e48?\n<\/p><\/blockquote>\n
\n\n
\n \n\u8c03\u901f\u65b9\u6cd5<\/th>\n \u8c03\u8282\u7535\u67a2\u7535\u538b<\/th>\n \u7535\u67a2\u4e32\u7535\u963b<\/th>\n \u51cf\u5f31\u78c1\u901a<\/th>\n<\/tr>\n<\/thead>\n \n \u5b9e\u73b0<\/td>\n \u6539\u53d8\u7535\u6e90\u7535\u538bU<\/td>\n \u5728\u7535\u67a2\u56de\u8def\u4e32\u7535\u963bR<\/td>\n \u589e\u5927\u52b1\u78c1\u56de\u8def\u7535\u963b\uff0c\u51cf\u5c0f\u52b1\u78c1\u7535\u6d41If<\/td>\n<\/tr>\n \n \u8c03\u901f\u65b9\u5411<\/td>\n \u4f4e\u4e8e\u989d\u5b9a\u8f6c\u901f\uff08\u5411\u4e0b\u8c03\uff09<\/td>\n \u4f4e\u4e8e\u989d\u5b9a\u8f6c\u901f\uff08\u5411\u4e0b\u8c03\uff09<\/td>\n \u9ad8\u4e8e\u989d\u5b9a\u8f6c\u901f\uff08\u5411\u4e0a\u8c03\uff09<\/td>\n<\/tr>\n \n \u7279\u6027<\/td>\n \u65e0\u7ea7\u8c03\u901f\uff0c\u786c\u5ea6\u4e0d\u53d8\uff0c\u6548\u7387\u9ad8<\/td>\n \u6709\u7ea7\u8c03\u901f\uff0c\u7279\u6027\u53d8\u8f6f\uff0c\u6548\u7387\u4f4e<\/td>\n \u65e0\u7ea7\u8c03\u901f\uff0c\u786c\u5ea6\u4e0d\u53d8\uff0c\u8c03\u901f\u8303\u56f4\u6709\u9650<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \n \u76f4\u6d41\u7535\u52a8\u673a\u7684\u7535\u52a8\u4e0e\u5236\u52a8\u4e24\u79cd\u8fd0\u884c\u72b6\u6001\u7684\u6839\u672c\u533a\u522b\u662f\u4ec0\u4e48?\n<\/p><\/blockquote>\n
\u6839\u672c\u533a\u522b\u5728\u4e8e\u7535\u78c1\u8f6c\u77e9$T$\u4e0e\u8f6c\u901f$n$\u7684\u65b9\u5411\u5173\u7cfb
\n\u7535\u52a8\u72b6\u6001\uff1a $T$\u4e0e$n$\u7684\u65b9\u5411\u76f8\u540c\uff0c\u7535\u78c1\u8f6c\u77e9\u662f\u9a71\u52a8\u8f6c\u77e9
\n\u5236\u52a8\u72b6\u6001\uff1a \u65b9\u5411\u76f8\u53cd\uff0c\u662f\u5236\u52a8\u8f6c\u77e9\uff0c\u7535\u673a\u5438\u6536\u673a\u68b0\u80fd<\/p>\n\n \u5b9e\u73b0\u5012\u62c9\u53cd\u8f6c\u53cd\u63a5\u5236\u52a8\u548c\u56de\u9988\u5236\u52a8\u7684\u6761\u4ef6\u5404\u662f\u4ec0\u4e48?\n<\/p><\/blockquote>\n
\u5012\u62c9\u53cd\u8f6c\u5236\u52a8\uff1a<\/p>\n
- \n
- \u7535\u673a\u63a5\u6b63\u5411\u7535\u6e90\u3002<\/p>\n<\/li>\n
- \n
\u7535\u67a2\u56de\u8def\u4e32\u5165\u5927\u7535\u963b\u3002<\/p>\n<\/li>\n
- \n
\u88ab\u4f4d\u80fd\u6027\u8d1f\u8f7d\u62d6\u7740\u53cd\u8f6c\uff08n\u4e3a\u8d1f\uff09\u6216\u6b63\u5411\u8d85\u901f\uff08n > n0\uff09\uff0c\u7a33\u5b9a\u8fd0\u884c\u4e8e\u7b2cIV\u8c61\u9650\u3002<\/p>\n<\/li>\n<\/ol>\n
\u56de\u9988\u5236\u52a8\uff1a<\/p>\n
- \n
- \u7535\u673a\u7aef\u7535\u538b\u4fdd\u6301\u63a5\u901a\u3002<\/p>\n<\/li>\n
- \n
\u7535\u67a2\u56de\u8def\u65e0\u5927\u7535\u963b\uff08\u5de5\u4f5c\u5728\u56fa\u6709\u7279\u6027\u9644\u8fd1\uff09\u3002<\/p>\n<\/li>\n
- \n
\u5728\u5916\u90e8\u52a8\u529b\uff08\u5982\u4e0b\u5761\u3001\u964d\u538b\u8c03\u901f\uff09\u9a71\u52a8\u4e0b\uff0c\u7535\u673a\u7684\u5b9e\u9645\u8f6c\u901f n \u9ad8\u4e8e\u5176\u7406\u60f3\u7a7a\u8f7d\u8f6c\u901f n0\uff08n > n0\uff09\u3002<\/p>\n<\/li>\n<\/ol>\n
\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a<\/h2>\n
\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u7684\u6570\u5b66\u63cf\u8ff0<\/h3>\n
\u8f6c\u5dee\u7387<\/strong><\/p>\n
- \n
- \u79f0\u540c\u6b65\u8f6c\u901f$n_0$\u4e0e\u8f6c\u5b50\u8f6c\u901f$n$\u4e4b\u5dee\u4e3a\u8f6c\u5dee<\/strong>
\n\u8f6c\u5dee\u4e0e\u540c\u6b65\u8f6c\u901f\u4e4b\u6bd4\u4e3a\u8f6c\u5dee\u7387<\/strong>\uff0c\u7528$s$\u8868\u793a
\n$$s = \\frac{n_0 - n}{n_0} * 100\\%$$
\n\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7a7a\u8f7d\u8f6c\u5dee\u7387\u5c0f\u4e8e 0.5% ,\u6ee1\u8f7d\u8f6c\u5dee\u7387\u5c0f\u4e8e 5%<\/li>\n<\/ul>\n\u540c\u6b65\u8f6c\u901f<\/strong><\/p>\n
$$n_0 = \\frac{60f_1}{p}$$
\n\u5176\u4e2d\uff0c<\/p>\n- \n
- $f_1$ \u4e3a\u4ea4\u6d41\u7535\u6d41\u9891\u7387
\n$p$ \u4e3a\u6781\u5bf9\u6570<\/li>\n<\/ul>\n\u8f6c\u5dee\u9891\u7387<\/strong><\/p>\n
$$f_2 = sf_1$$
\n\u5176\u4e2d\uff0c<\/p>\n- \n
- $f_2$ \u4e3a\u8f6c\u5dee\u9891\u7387<\/li>\n<\/ul>\n
\n \u4e00\u53f0$50Hz$\u7684\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\uff0c$n_N = 730rpm$\uff0c\u7a7a\u8f7d\u8f6c\u5dee\u7387\u4e3a$s_0 = 0.267\\%$\u3002
\n \u6c42\uff1a \u6781\u5bf9\u6570\u3001\u540c\u6b65\u8f6c\u901f\u3001\u5b9e\u9645\u7a7a\u8f7d\u8f6c\u901f\u3001\u989d\u5b9a\u8d1f\u8f7d\u65f6\u7684\u8f6c\u5dee\u7387\u548c\u8f6c\u5dee\u9891\u7387\n<\/p><\/blockquote>\n- \n
- \u6781\u5bf9\u6570\uff1a
\n$n = 60f_1\/p$\uff0c\u6700\u63a5\u8fd1730rpm\u7684\u662f p = 4<\/li>\n - \u540c\u6b65\u8f6c\u901f\uff1a \u6613\u5f97750rpm<\/li>\n
- \u5b9e\u9645\u7a7a\u8f7d\u8f6c\u901f\uff1a
\n$n^\\prime _0 = n_0 (1 - s_0) = 748rpm$<\/li>\n - \u989d\u5b9a\u8d1f\u8f7d\u8f6c\u5dee\u7387\/\u8f6c\u5dee\u9891\u7387\uff1a
\n$s_N = (n_0 - n_N)\/n_0 = 2.67\\%$
\n$f_2 = s_Nf_1 = 1.335Hz$<\/li>\n<\/ol>\nT\u578b\u7b49\u503c\u7535\u8def<\/strong><\/p>\n
![\"\u7b49\u6548\u7535\u8def\"](\"https:\/\/yin.nnneri.me\/wp-content\/uploads\/2025\/11\/1762167483-\u81ea\u52a8\u63a7\u5236\u5143\u4ef6_\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u7b49\u6548\u7535\u8def.png\")
<\/p>\n\u5176\u4e2d\uff0c
\n- $r_1,x_1$\u4e3a\u5b9a\u5b50\u7ed5\u7ec4\u7684\u7535\u963b\u548c\u6f0f\u7535\u6297
\n- $r_2,x_2$\u4e3a\u8f6c\u5b50\u7ed5\u7ec4\u7684\u7535\u963b\u548c\u6f0f\u7535\u6297
\n- $r_m,x_m$\u4e3a\u52b1\u78c1\u7ed5\u7ec4\u7684\u7535\u963b\u548c\u6f0f\u7535\u6297<\/p>\n\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u7684\u673a\u68b0\u7279\u6027<\/h3>\n
![\"\u5f02\u6b65\u7535\u52a8\u673a\u673a\u68b0\u7279\u6027\u66f2\u7ebf\"](\"https:\/\/yin.nnneri.me\/wp-content\/uploads\/2025\/11\/1764383968-\u5f02\u6b65\u7535\u52a8\u673a\u673a\u68b0\u7279\u6027\u66f2\u7ebf.png\")
<\/p>\n\u5982\u56fe\u6240\u793a\uff1a<\/p>\n
- \n
- $s_m$ \u4e3a\u6700\u5927\u8f6c\u5dee\u7387<\/li>\n<\/ul>\n
\u5b58\u5728<\/p>\n
\n\n
\n \n\u70b9\u4f4d<\/th>\n \u8f6c\u77e9<\/th>\n \u8f6c\u901f<\/th>\n \u8f6c\u5dee\u7387<\/th>\n<\/tr>\n<\/thead>\n \n \u7a7a\u8f7dH<\/td>\n 0<\/td>\n $n_0$<\/td>\n 0<\/td>\n<\/tr>\n \n \u989d\u5b9aB<\/td>\n $T_N$<\/td>\n $n_N$<\/td>\n $s_n = \\frac{n_0 - n_N}{n_0}$<\/td>\n<\/tr>\n \n \u4e34\u754c\u70b9P<\/td>\n $T_M = k_mT_N$<\/td>\n <\/td>\n $s_m = s_n(k_m\\pm (\\sqrt{k_m^2 - 1}))$<\/td>\n<\/tr>\n \n \u8d77\u52a8\u70b9A<\/td>\n $T_S = \\frac{2T_M}{\\frac{1}{s_m}+\\frac{s_m}{1} }$<\/td>\n 0<\/td>\n 1<\/td>\n<\/tr>\n \n \u4e00\u822c\u70b9<\/td>\n $T = \\frac{2T_M}{\\frac{s}{s_m}+\\frac{s_m}{s} }$<\/td>\n <\/td>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u7535\u673a\u8fc7\u8f7d\u500d\u6570\uff1a$k_m = \\frac{T_M}{T_N}$<\/p>\n
\u4eba\u4e3a\u673a\u68b0\u7279\u6027<\/h4>\n
\u4eba\u4e3a\u6539\u53d8\u7535\u52a8\u673a\u7684\u673a\u68b0\u53c2\u6570\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u673a\u68b0\u7279\u6027
\n\u5bf9\u4e8e\u6539\u53d8\u7535\u963b\u7684\u884c\u4e3a<\/strong>,\u53ef\u4ee5\u5f97\u5230\u4e0d\u540c\u7684\u8f6c\u5dee\u4e4b\u6bd4<\/p>\n$$\\frac{s_1}{s_2} = \\frac{s_m}{s_m^\\prime} = \\frac{R_2^\\prime}{R_2^\\prime + R_\\Omega ^\\prime}$$<\/p>\n
\u505a\u9898<\/h4>\n
\n \u67d0\u7ed5\u7ebf\u8f6c\u5b50\u5f02\u6b65\u7535\u52a8\u673a\u53c2\u6570\u5982\u4e0b\uff1a
\n $P_N = 75kW,I_{1N}=144A \uff0cU_{1N}=380V,E_{2N}=399V,I_{2N}=166A,n_N=1460rpm,k_m = 2.8$<\/p>\n\u95ee\u98981\uff1a\u8d1f\u8f7d\u8f6c\u77e9\u4e3a$T_z=0.8T_N$\uff0c\u8981\u6c42\u8f6c\u901f$n_B=500rpm$\u65f6\uff0c\u8f6c\u5b50\u6bcf\u76f8\u4e32\u5165\u591a\u5c11\u7535\u963b\uff1f\n<\/p><\/blockquote>\n
\u5bf9\u4e8e\u4e32\u5165\u7684\u7535\u963b\uff0c\u6709\u516c\u5f0f
\n$$\\frac{s_1}{s_2} = \\frac{s_m}{s_m^\\prime} = \\frac{R_2^\\prime}{R_2^\\prime + R_\\Omega ^\\prime}$$
\n\u73b0\u5728\u7f3a\u5c11\u4e24\u4e2a\u8f6c\u5dee\u7387\u4ee5\u53ca\u8f6c\u5b50\u7535\u963b
\n\u6709\u516c\u5f0f
\n$$s_m = s_n(k_m\\pm (\\sqrt{k_m^2 - 1}))$$
\n$$s_m^\\prime = s_n^\\prime(\\frac{T_M}{T}\\pm (\\sqrt{\\frac{T_M}{T}^2 - 1}))$$
\n$$R_2^\\prime = \\frac{S_NE_{2N}}{\\sqrt{3}I_{2N}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"\u62d6\u52a8\u7535\u673a \u76f4\u6d41\u7535\u673a \u76f4\u6d41\u7535\u52a8\u673a\u7684\u57fa\u672c\u7ec4\u6210 \u76f4\u6d41\u7535\u673a \u5b9a\u5b50 \u673a\u5ea7 \u4e3b\u78c1\u6781 \u4e3b\u6781\u94c1\u82af \u52b1\u78c1\u7ed5\u7ec4 \u6362\u5411\u5668 \u7535\u5237 \u7aef\u76d6 \u8f6c\u5b50 \u7535\u67a2\u94c1\u82af \u7535 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-486","post","type-post","status-publish","format-standard","hentry","category-schoolwork"],"_links":{"self":[{"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/posts\/486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=486"}],"version-history":[{"count":10,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/posts\/486\/revisions"}],"predecessor-version":[{"id":540,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=\/wp\/v2\/posts\/486\/revisions\/540"}],"wp:attachment":[{"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yin.nnneri.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- $s_m$ \u4e3a\u6700\u5927\u8f6c\u5dee\u7387<\/li>\n<\/ul>\n
- \u6781\u5bf9\u6570\uff1a
- $f_2$ \u4e3a\u8f6c\u5dee\u9891\u7387<\/li>\n<\/ul>\n
- $f_1$ \u4e3a\u4ea4\u6d41\u7535\u6d41\u9891\u7387
- \u79f0\u540c\u6b65\u8f6c\u901f$n_0$\u4e0e\u8f6c\u5b50\u8f6c\u901f$n$\u4e4b\u5dee\u4e3a\u8f6c\u5dee<\/strong>
- \u5bf9\u4e8e\u9898\u4e00\u548c\u9898\u4e8c\uff0c\u5173\u952e\u5730\u65b9\u5728\u4e8e\u6c42\u51fa\u611f\u5e94\u7535\u52a8\u52bf\u548c\u56de\u8def\u7535\u6d41\u3002
- \u80fd\u8017\u5236\u52a8
- \u5bf9\u4e8e\u7535\u52a8\u673a
- $P_1$ \uff1a \u7535\u52a8\u673a\u4ece\u7535\u6e90\u8f93\u5165\u7684\u7535\u529f\u7387\uff0c $P = UI_a$
- $U_a$ \uff1a \u7535\u67a2\u4e24\u7aef\u7684\u7aef\u7535\u538b