JJF(浙) 1087-2012 漏電起痕試驗儀校準(zhǔn)規(guī)范

JJF(浙)1087—2012漏電起痕試驗儀校準(zhǔn)規(guī)范2012-12-28發(fā)布2013-02-01實施浙江省質(zhì)量技術(shù)監(jiān)督局發(fā)布CalibrationSpecificatio蔣獻(xiàn)豐(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)陳永光(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)鄭芳芳(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)林華安(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)黃建方(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)鄭希程(樂清市質(zhì)量技術(shù)監(jiān)督檢測院)277.17.27.37.47.57.68111333333334445566789JJF1071-2010JJF1001-2011JJF1059600V600VGB/T4207-2003GB/T4207-2003GB/T1804-2000GB/T1804-20003.1tracking3.1comparativetrackingindexCTI3.22incomparativetrackingindexCTI3.225prooftrackingindexPTI3.3cprooftrackingindexPTI3.3c51142532456225.155.15.255.355.455.46.16.16.1.16.1.22330%656.1.16.1.22330%656.1.3220V22VHzz220V22VHzz6.266.2kk=2111/323463787.17.234a(50.1)mm(20.1)mmc(4.00.1)mmd(602)e(1.000.05)N246040.130~40533030RR=050.120.113447.2.2ab7.2.37.2.447.2.4DD7.2.557.2.57.3a30s0bc30s03-553-57.447.4555100V200V275V350V425V500V600100V200V275V350V425V500V600V55U=100%Ux%Ux7.50.5A2I=100%I%IxAInA7.622U200V275V350V425V500V600V200V275V350V425V500V600V3100%00100%00uu11ABCBABCabaabcefiijkkk7Lmn118AA.1.1A.1.1A.1.1A.1.2A.1.2A.1.20000A.1.3A.1.3A.1.3A.1.4A.1.4A.1.4VVVVA.1.5A.1.5AAu1uAAu1u199.37899.55299.82599.89399.89399.62899.30699.69199.92699.75399.37899.55299.825VV99.62899.30699.69199.37899.55299.82599.89399.89399.62899.30699.69199.92699.75399.37899.55299.825VV99.43499.43499.43422xi0.22Vxxi0.22Vx9u1==0.13VA.1.5.2u2BAC1000V0.06%+0.03%100V0.36V3u2==0.21Vi|uiuiy0.13V10.13V0.36V3310.25Vk=2U=0.50VUrel=0.5%A.1.8AC100VAAA.2.1A.2.1A.2.1A.2.2A.2.2A.2.2+0.04%0.1%0.1%+0.04%00+0.04%0.1%0.1%+0.04%00A.2.3A.2.3A.2.3A.2.4IXINIXIXINAAAAAAIXINAAAA.2.5A.2.5A.2.5AA.2.5.1u1AAA.2.5.1u1Au10.5A0.5A0.5AA0.4950.4880.4900.4920.4890.4910.4930.4910.4930.494S0.0022AS0.0022Axu1=0u1A.2.5.2A.2.5.2u2AC1A0.1%+0.04%0.5A0.0009A3u2==0.0005AA.2.6i|ii(y)///10.0009A330.0005A10.0005A0.0014AA.2.7k=2U=0.0028AUrel=0.A.2.8AC0.5AJJF(浙)1087—2012漏電起痕試驗儀滴液時間間隔測量結(jié)果不確定度的分析示例A.3.1被測對象漏電起痕試驗儀滴液時間間隔。A.3.2測量儀器A.3.3測量方法在自動滴液狀態(tài)下啟動試驗儀，用秒表直接測量試驗儀的滴液時間間隔。A.3.4標(biāo)準(zhǔn)不確定度評定測量結(jié)果的不確定度主要由測量重復(fù)性、秒表誤差、測量時操作不同步等三方面引入的標(biāo)準(zhǔn)不確定度構(gòu)成。在相同的測量條件下，對試驗儀的滴液時間間隔進(jìn)行10次重復(fù)性測量，測量數(shù)據(jù)可由貝塞爾公式算得標(biāo)準(zhǔn)偏差為：實際測量一般先測量連續(xù)三滴的滴液時間，然后取其1/3做為測量結(jié)果，故：A.3.4.2秒表誤差引入的標(biāo)準(zhǔn)不確定度u?,采用B類方法進(jìn)行評定電子秒表的最大允許誤差為±0.5s/d,在滴液時間間隔內(nèi)，其誤差約為±0.0002s,取均勻分布，包含因子為√3,則：A.3.4.3測量時操作不同步引入的標(biāo)準(zhǔn)不確定度u?,采用B類方法進(jìn)行評定測量時，由于操作不同步，使秒表的計時時間與實際滴液時間存在一定偏差，根A.3.5|ci|ui(y)0.06s10.06s0.0002s330.001s10.0001s0.2s330.12s10.12s0.13sA.3.6k=2U=0.26sA.3.7B.1B.2B.2.150.120.1B.2.2123B.2.3123B.2.4NNg=m/s2123B.3Uk=2305B.4VV123B.5AA123B.6