전기용어, 쉽고 간단하게 알아봐요! [상용주파방전개시전압]

array(10) { [0]=> object(stdClass)#4209 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "5vwGygU_LmU" ["related_video_title"]=> string(31) "전력공학 67강 - 피뢰기1" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(9) "조경필" } [1]=> object(stdClass)#4182 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "zQ8UdUNCAPc" ["related_video_title"]=> string(33) "보폭전압(Step Voltage)이란?" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(9) "전병칠" } [2]=> object(stdClass)#4207 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "9fLn6i1TRS0" ["related_video_title"]=> string(40) "전력공학 64강-표준충격전압파" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(9) "조경필" } [3]=> object(stdClass)#4214 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "eaUa_38AmsQ" ["related_video_title"]=> string(57) "‘임피던스’ 이제 확실히 알겠어요." ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(9) "전병칠" } [4]=> object(stdClass)#4193 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "88A0vzfYugs" ["related_video_title"]=> string(80) "[전기기사 실기 단답형] 9 전력계통 단락용량 경감대책 3가지" ["posted_time"]=> string(23) "1 месяц назад" ["channelName"]=> string(21) "춘추자격증시대" } [5]=> object(stdClass)#4211 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "dfNkHJj9Rpk" ["related_video_title"]=> string(46) "피뢰기(3/5) 제한전압, 종류 및 특성" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(19) "전기의 모든것" } [6]=> object(stdClass)#4206 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "nPjSIGr92D0" ["related_video_title"]=> string(125) "[기본기][변압기 33강] 변압기 시험 4편- 절연저항 측정, 상용주파내전압 시험, 유도내전압 시험" ["posted_time"]=> string(19) "6 лет назад" ["channelName"]=> string(15) "공대5호관 R" } [7]=> object(stdClass)#4216 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "QUbLG1oVu5k" ["related_video_title"]=> string(116) "ПОЛОВИНА ИЗРАИЛЯ РАЗРУШЕНА! Ракета "Саджиль" упала на Тель-Авив!" ["posted_time"]=> string(24) "10 часов назад" ["channelName"]=> string(36) "Мудрость в историях" } [8]=> object(stdClass)#4192 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "u3iGqD8dDwk" ["related_video_title"]=> string(92) "[기본기][전기회로 21강] 개폐서지(Switching surge)가 왜 위험한 전압인가?" ["posted_time"]=> string(19) "6 лет назад" ["channelName"]=> string(15) "공대5호관 R" } [9]=> object(stdClass)#4210 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "XZsboBNFv2o" ["related_video_title"]=> string(53) "전선굵기 공식 선간전압, 상전압의 이해" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(23) "이재현[시나브로]" } }