变压器的载流量计算公式是什么？ 100kVA的变压器能承受多大的电流？其计算公式是什么？
\u4e3b\u53d8\u9ad8\u538b\u4fa7\u4e00\u6b21\u7535\u6d41\u7684\u8ba1\u7b97\u516c\u5f0f\u662f\u4ec0\u4e48\uff1fIjf=(KIN)max+Ifs(A)\u3002
\u63a5\u6709\u591a\u53f0\u7535\u52a8\u673a\u7684\u914d\u7535\u7ebf\u8def\uff0c\u53ea\u8003\u8651\u4e00\u53f0\u7535\u52a8\u673a\u8d77\u52a8\u65f6\u7684\u5c16\u5cf0\u7535\u6d41\uff1aIjf=(KIN)max+Ifs(A)\uff0c\u5f0f\u4e2d(KIN)max\u4e3a\u8d77\u52a8\u7535\u6d41\u6700\u5927\u7684\u4e00\u53f0\u7535\u52a8\u673a\u8d77\u52a8\u65f6\u7684\u8d77\u52a8\u7535\u6d41\uff1bIfs\u4e3a\u914d\u7535\u7ebf\u8def\u4e0a\u9664\u53bb\u8d77\u52a8\u7535\u673a\u7684\u8ba1\u7b97\u7535\u6d41\u3002
\u51b2\u51fb\u7535\u6d41\u7684\u56e0\u7d20\u5355\u53f0\u7535\u52a8\u673a\u3001\u7535\u5f27\u710a\u6216\u7535\u710a\u53d8\u538b\u5668\u652f\u7ebf\uff0c\u5176\u5c16\u5cf0\u7535\u6d41\u4e3aIjf=KIN(A)\uff0c\u5f0f\u4e2dIN\u4e3a\u7535\u52a8\u673a\u3001\u7535\u5f27\u710a\u673a\u6216\u7535\u710a\u53d8\u538b\u5668\u7684\u9ad8\u538b\u4fa7\u989d\u5b9a\u7535\u6d41\u3002\u5bf9\u4e8e\u81ea\u8d77\u52a8\u7684\u7535\u52a8\u673a\u7ec4\uff0c\u5176\u5c16\u5cf0\u7535\u6d41\u4e3a\u6240\u6709\u53c2\u4e0e\u8d77\u52a8\u7684\u7535\u52a8\u673a\u7535\u6d41\u4e4b\u548c\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u4e3b\u53d8\u9ad8\u538b\u4fa7\u8981\u6c42\u89c4\u5b9a\uff1a
1\u3001\u53d8\u538b\u5668\u7a7a\u8f7d\u65f6\uff0c\u7ed5\u7ec4\u5185\u4e0d\u4f1a\u6709\u73af\u6d41\u3002\u73af\u6d41\u4f1a\u5f71\u54cd\u53d8\u538b\u5668\u5bb9\u91cf\u7684\u5408\u7406\u5229\u7528\uff0c\u5982\u679c\u73af\u6d41\u51e0\u500d\u4e8e\u989d\u5b9a\u7535\u6d41\uff0c\u751a\u81f3\u4f1a\u70e7\u574f\u53d8\u538b\u5668\u3002
2\u3001\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u538b\u76f8\u7b49\u5141\u8bb8\u6709\u00b110\u7684\u5dee\u503c\uff0c\u8fd9\u4e2a\u6761\u4ef6\u4fdd\u8bc1\u8d1f\u8377\u5206\u914d\u4e0e\u5bb9\u91cf\u6210\u6b63\u6bd4\u3002\u5e76\u5217\u53d8\u538b\u5668\u7684\u5bb9\u91cf\u6bd4\u4e0d\u5b9c\u8d85\u8fc73: 1\uff0c\u8fd9\u6837\u5c31\u9650\u5236\u4e86\u53d8\u538b\u5668\u7684\u77ed\u8def\u7535\u538b\u503c\u76f8\u5dee\u4e0d\u81f4\u8fc7\u5927\u3002
3\u3001\u5f53\u5e76\u5217\u8fd0\u884c\u7684\u53d8\u538b\u5668\u4e2d\u6709\u4e00\u53f0\u635f\u574f\u65f6\uff0c\u53ea\u8981\u8fc5\u901f\u5c06\u4e4b\u4ece\u7535\u7f51\u4e2d\u5207\u9664\uff0c\u53e6\u4e00\u53f0\u6216\u4e24\u53f0\u53d8\u538b\u5668\u4ecd\u53ef\u6b63\u5e38\u4f9b\u7535\uff1b\u68c0\u4fee\u67d0\u53f0\u53d8\u538b\u5668\u65f6\uff0c\u4e5f\u4e0d\u5f71\u54cd\u5176\u5b83\u53d8\u538b\u5668\u6b63\u5e38\u8fd0\u884c\u4ece\u800c\u51cf\u5c11\u4e86\u6545\u969c\u548c\u68c0\u4fee\u65f6\u7684\u505c\u7535\u8303\u56f4\u548c\u6b21\u6570\uff0c\u63d0\u9ad8\u4f9b\u7535\u53ef\u9760\u6027\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u4e3b\u53d8\u538b\u5668
\u4e09\u76f8\u53d8\u538b\u5668\uff1a\u989d\u5b9a\u5bb9\u91cf S = \u221a3 * \u989d\u5b9a\u7535\u538bU\uff08\u7ebf\u7535\u538b\uff09* \u989d\u5b9a\u7535\u6d41 I\uff08\u7ebf\u7535\u6d41\uff09
\u4e0a\u9898\uff1aS=100KVA
\u9ad8\u538b U1=10 KV I1= S / \uff08\u221a3 * U1\uff09= 5\u300277 A
\u4f4e\u538b U2=0.4 KV I2= S / \uff08\u221a3 * U2\uff09= 144.34 A
额定电流=额定容量/(√3*额定电压）如800kva变压器，10/0.4kv
10kv侧额定电流=800/（1.732*10）=46.2A
0.4kv侧额定电流=800/（1.732*0.4）=1154.7A
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