{"id":6468,"date":"2026-07-02T15:58:18","date_gmt":"2026-07-02T07:58:18","guid":{"rendered":"https:\/\/kvhipot.com\/?p=6468"},"modified":"2026-07-02T15:58:19","modified_gmt":"2026-07-02T07:58:19","slug":"%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%b7-%ce%b4%ce%bf%ce%ba%ce%b9%ce%bc%ce%ae-tan-delta-%ce%b5%ce%bd%cf%8c%cf%82-%ce%bc%ce%b5%cf%84%ce%b1%cf%83%cf%87%ce%b7%ce%bc%ce%b1%cf%84%ce%b9%cf%83","status":"publish","type":"post","link":"https:\/\/kvhipot.com\/el\/what-is-tan-delta-test-of-transformer\/","title":{"rendered":"\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae tan delta \u03b5\u03bd\u03cc\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae;"},"content":{"rendered":"<p>\u0391\u03bd\u03b7\u03c3\u03c5\u03c7\u03b5\u03af\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03c5\u03c7\u03cc\u03bd \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2. \u039c\u03b9\u03b1 \u03b2\u03bb\u03ac\u03b2\u03b7 \u03ba\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c7\u03c1\u03cc\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c7\u03c1\u03ae\u03bc\u03b1. \u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03ad\u03bd\u03b1\u03bd \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03b5\u03af \u03b7 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2.&nbsp;<strong>\u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae tan delta \u03b5\u03bd\u03cc\u03c2 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\u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c1\u03b5\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u0397 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b1\u03c5\u03c4\u03ae \u03b1\u03bd\u03b9\u03c7\u03bd\u03b5\u03cd\u03b5\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03b1\u03b8\u03b1\u03c1\u03c3\u03af\u03b5\u03c2 \u03c3\u03c4\u03bf \u03bb\u03ac\u03b4\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c7\u03b1\u03c1\u03c4\u03af, \u03c0\u03c1\u03bf\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ac \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1.<\/strong>&nbsp;\u03a4\u03bf \u03bd\u03b1 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\u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03c3\u03b1\u03c2.<\/p><h2 class=\"wp-block-heading\">\u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03cc \u03cc\u03c1\u03b9\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae tan delta \u03b5\u03bd\u03cc\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae;<\/h2><p>\u039a\u03ac\u03bd\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03ba\u03b1\u03b9 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae. \u0394\u03b5\u03bd \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03b5\u03c4\u03b5 \u03b1\u03bd \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c4\u03b9\u03bc\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ae\u03c2. \u0397 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bf\u03c1\u03af\u03bf\u03c5 \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 \u03c4\u03bf\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae \u03c3\u03b1\u03c2.&nbsp;<strong>\u03a4\u03bf \u03b1\u03c0\u03bf\u03b4\u03b5\u03ba\u03c4\u03cc \u03cc\u03c1\u03b9\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae tan delta \u03b5\u03bd\u03cc\u03c2 \u03ba\u03b1\u03b9\u03bd\u03bf\u03cd\u03c1\u03b9\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc 0,5%. \u0393\u03b9\u03b1 \u03ad\u03bd\u03b1\u03bd \u03c0\u03b1\u03bb\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03bf 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\u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b1. \u03a4\u03bf \u03bb\u03ac\u03b4\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c7\u03b1\u03c1\u03c4\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03bd\u03c4\u03b5\u03bb\u03ce\u03c2 \u03c3\u03c4\u03b5\u03b3\u03bd\u03ac \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b1\u03c1\u03ac.<\/p><h3 class=\"wp-block-heading\">\u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b7\u03bb\u03b9\u03ba\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7<\/h3><p>\u039f \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03bc\u03ad\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03cd\u03c7\u03c4\u03b1. \u0397 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c4\u03bf \u03c7\u03b1\u03c1\u03c4\u03af \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5. \u0397 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c3\u03c4\u03bf \u03bb\u03ac\u03b4\u03b9. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5.<\/p><figure class=\"wp-block-table\"><table><thead><tr><th>\u039a\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae<\/th><th>\u03a4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03ba\u03c4\u03b7 Tan Delta<\/th><th>\u0391\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1<\/th><\/tr><\/thead><tbody><tr><td><strong>\u039f\u03bb\u03bf\u03ba\u03b1\u03af\u03bd\u03bf\u03c5\u03c1\u03b3\u03b9\u03bf<\/strong><\/td><td>\u039a\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc 0,51 TP3T<\/td><td>\u039a\u03b1\u03bc\u03af\u03b1. \u0397 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03ad\u03bb\u03b5\u03b9\u03b1.<\/td><\/tr><tr><td><strong>\u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1<\/strong><\/td><td>0,5% \u03ad\u03c9\u03c2 1,0%<\/td><td>\u039d\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c4\u03ae\u03c3\u03b9\u03bf\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2. \u039d\u03b1 \u03c4\u03b7\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b7 \u03b1\u03c1\u03c7\u03b5\u03af\u03b1.<\/td><\/tr><tr><td><strong>\u03a6\u03b8\u03b1\u03c1\u03bc\u03ad\u03bd\u03bf \u03ae \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf<\/strong><\/td><td>\u0391\u03c0\u03cc 1.0% \u03ad\u03c9\u03c2 2.0%<\/td><td>\u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03af\u03c3\u03c4\u03b5 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b1 \u03bc\u03b9\u03b1 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd.<\/td><\/tr><tr><td><strong>\u0396\u03ce\u03bd\u03b7 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5<\/strong><\/td><td>\u03a0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 2,0%<\/td><td>\u0391\u03c0\u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c3\u03af\u03b1. \u0395\u03c0\u03b9\u03bb\u03cd\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1.<\/td><\/tr><\/tbody><\/table><\/figure><p>\u0398\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03bd\u03ad\u03bf \u03c3\u03b1\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03b1\u03c2 \u03b4\u03cc\u03b8\u03b7\u03ba\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u00ab\u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b9\u03bc\u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2\u00bb. \u039c\u03b9\u03b1 \u03be\u03b1\u03c6\u03bd\u03b9\u03ba\u03ae \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b7 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ae \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03ad\u03ba\u03b1 \u03b5\u03c4\u03ce\u03bd. \u03a0\u03ac\u03bd\u03c4\u03b1 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03b5\u03cd\u03c9 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2 \u03bc\u03bf\u03c5 \u03bd\u03b1 \u03c4\u03b7\u03c1\u03bf\u03cd\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03c1\u03c7\u03b5\u03af\u03b1.<\/p><h2 class=\"wp-block-heading\">\u0393\u03b9\u03b1\u03c4\u03af \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae tan delta \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae;<\/h2><p>\u039e\u03bf\u03b4\u03b5\u03cd\u03b5\u03c4\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ac \u03c7\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c1\u03bf\u03c5\u03c4\u03af\u03bd\u03b1\u03c2. \u038a\u03c3\u03c9\u03c2 \u03b1\u03bd\u03b1\u03c1\u03c9\u03c4\u03b9\u03ad\u03c3\u03c4\u03b5 \u03b1\u03bd \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7. \u0391\u03bd \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03bb\u03b5\u03af\u03c8\u03b5\u03c4\u03b5, \u03b8\u03ad\u03c4\u03b5\u03c4\u03b5 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03b1\u03c2 \u03b4\u03af\u03ba\u03c4\u03c5\u03bf.&nbsp;<strong>\u0394\u03b9\u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u00abtan delta\u00bb \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03ba\u03c1\u03c5\u03c6\u03ae \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03ba\u03b1\u03b8\u03b1\u03c1\u03c3\u03af\u03b5\u03c2 \u03c3\u03c4\u03bf \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03ae. \u0388\u03bd\u03b1\u03c2 \u03c4\u03ad\u03bb\u03b5\u03b9\u03bf\u03c2 \u03bc\u03bf\u03bd\u03c9\u03c4\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b1\u03bd \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2. \u0397 \u03ba\u03b1\u03ba\u03ae \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03b1\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03b5\u03c4\u03c1\u03ac \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03bf\u03c3\u03ba\u03bf\u03c0\u03b9\u03ba\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03c0\u03c1\u03b9\u03bd \u03c0\u03c1\u03bf\u03ba\u03bb\u03b7\u03b8\u03b5\u03af \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac.<\/strong>&nbsp;<\/p><figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"6474\" src=\"https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_-1024x683.jpg\" alt=\"\" class=\"wp-image-6474\" srcset=\"https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_-1024x683.jpg 1024w, https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_-700x467.jpg 700w, https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_-768x512.jpg 768w, https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_-18x12.jpg 18w, https:\/\/kvhipot.com\/wp-content\/uploads\/2026\/07\/Why-perform-a-tan-delta-test-of-a-transformer_.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/figure><p><div style=\"position: absolute; top: 138px; left: 87px; z-index: 1000; cursor: pointer; opacity: 1; transition: opacity 200ms; width: 24px; height: 24px;\"><svg viewbox=\"0 0 54 54\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><title>\u03a0\u03c1\u03bf\u03c3\u03b8\u03ae\u03ba\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b5\u03ba\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 Photoshop<\/title><path d=\"M44.26 0H9.74C4.36075 0 0 4.36075 0 9.74V44.26C0 49.6393 4.36075 54 9.74 54H44.26C49.6393 54 54 49.6393 54 44.26V9.74C54 4.36075 49.6393 0 44.26 0Z\" fill=\"#001E36\"><\/path><path d=\"M18.7398 14.4297C25.7698 14.4297 29.7298 17.7197 29.7298 23.2397C29.7298 29.6797 24.3598 32.2697 19.3298 32.2697H15.9298V39.2297H9.0498V14.4297H18.7498H18.7398ZM15.9298 20.3097V26.3797H18.9598C21.0698 26.3797 22.5498 25.5297 22.5498 23.3797C22.5498 21.4197 21.2898 20.3097 19.1098 20.3097H15.9298Z\" fill=\"#31A8FF\"><\/path><path d=\"M31.4299 37.9995L31.4699 32.2595C33.4299 33.5595 36.1699 34.3695 38.0599 34.3695C39.3499 34.3695 39.9499 33.9995 39.9499 33.3295C39.9499 32.5895 39.1399 32.2895 37.5799 31.8095C34.5799 30.9195 31.2899 29.6995 31.2899 25.7795C31.2899 21.8595 34.5799 19.5595 39.3599 19.5595C41.6199 19.5595 43.4699 19.8895 45.0999 20.5995L45.0599 26.0795C43.7699 25.2995 41.2099 24.5995 39.5499 24.5995C38.3299 24.5995 37.8499 24.9695 37.8499 25.5295C37.8499 26.1995 38.4399 26.3795 40.2199 26.9395C43.6599 27.9795 46.5499 29.0895 46.5499 33.1195C46.5499 37.1495 43.3999 39.5595 38.4799 39.5595C35.8899 39.5595 33.4499 39.1195 31.4499 38.0095L31.4299 37.9995Z\" fill=\"#31A8FF\"><\/path><\/svg><\/div>\u0388\u03bd\u03b1\u03c2 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class=\"wp-block-table\"><table><thead><tr><th>\u03a0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2<\/th><th>\u0397\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ac<\/th><th>\u0394\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2<\/th><\/tr><\/thead><tbody><tr><td><strong>\u039a\u03b1\u03b8\u03b1\u03c1\u03cc \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b5\u03b3\u03bd\u03cc<\/strong><\/td><td>\u0391\u03c0\u03bb\u03cc\u03c2 \u03c0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2<\/td><td>\u03a3\u03c7\u03b5\u03b4\u03cc\u03bd \u03bc\u03b7\u03b4\u03ad\u03bd<\/td><\/tr><tr><td><strong>\u0395\u03bb\u03b1\u03c6\u03c1\u03ce\u03c2 \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf<\/strong><\/td><td>\u03a0\u03c5\u03ba\u03bd\u03c9\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c4\u03b7\u03c2<\/td><td>\u03a0\u03bf\u03bb\u03cd 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