电力系统零序电流保护原理及基于单片机的实现方法研究

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2、蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁

3、膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆

4、袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅

5、螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿

6、薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂

7、膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇袃肇膆蒇薂袀肂蒆蚅肅羈蒅螇袈芇蒄薇肃芃蒃虿羆膈蒂螁膂肄蒁袄羄莃蒁薃螇艿薀蚆羃膅蕿螈螆肁薈蒇羁羇薇蚀螄莆薆螂聿节薅袄袂膈薅薄肈肄薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄肀芈螃

8、袇肆芇袅膂莅芆薅羅芁芅蚇膁膇芄螀羄肃芃袂螆莁莃薁羂芇莂蚄螅膃莁袆羀腿莀薆袃肅荿蚈肈莄莈螀袁芀莇