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                                                                                                                                                                                                                              SWL-MF接地降阻模塊

                                                                                                                                                                                                                              SWL-MF接地降阻模塊

                                                                                                                                                                                                                              SWL-MF接地降阻模塊降低接地電阻具有吸濕,保濕特性,接地電阻低且能保持長期穩定,經多次大電流沖擊,阻值小增大,也無變硬,發脆,斷裂現象,與降阻劑相比有明顯的優越性,能經受-40℃的低溫,北方高寒地區同樣適用.是接地工程中在近幾年最常用的科學辦法.

                                                                                                                                                                                                                              SWL-MF接地降阻模塊是一種以非金屬材料為主體的接地體,它有導電性、穩定性較好的非金屬礦物質和金屬電極組成。 該接地模塊可廣泛應用電力、通迅、鐵路、建筑、礦山、化工、國防、各類工廠、倉庫等各個領域的的工作接地、保護接地、抗干擾接地、防雷接地和防靜電接地設施中,起到降低接地電阻的效果,并可保證接地效果長期穩定。

                                                                                                                                                                                                                              一、SWL-MF接地降阻模塊主要技術參數;
                                                                                                                                                                                                                              1、室溫下的電阻率試驗

                                                                                                                                                                                                                              T干=28.0℃ t濕=25.5℃ p=100.2kpa

                                                                                                                                                                                                                              試品號

                                                                                                                                                                                                                              試品電阻(Ω)

                                                                                                                                                                                                                              試品電阻率
                                                                                                                                                                                                                              (Ω.m)

                                                                                                                                                                                                                              模塊平均電阻率
                                                                                                                                                                                                                              (Ω.m)

                                                                                                                                                                                                                              技術要求
                                                                                                                                                                                                                              (Ω.m)

                                                                                                                                                                                                                              評價

                                                                                                                                                                                                                              1

                                                                                                                                                                                                                              0.56

                                                                                                                                                                                                                              0.15

                                                                                                                                                                                                                              0.15

                                                                                                                                                                                                                              5

                                                                                                                                                                                                                              符合要求

                                                                                                                                                                                                                              2

                                                                                                                                                                                                                              0.63

                                                                                                                                                                                                                              0.17

                                                                                                                                                                                                                              3

                                                                                                                                                                                                                              0.46

                                                                                                                                                                                                                              0.13

                                                                                                                                                                                                                              2、沖擊電流耐受試驗


                                                                                                                                                                                                                              T干=28.0℃ t濕=25.5℃ p=100.2kpa

                                                                                                                                                                                                                              試品號

                                                                                                                                                                                                                              試品工頻電阻(Ω)

                                                                                                                                                                                                                              試驗后工頻電阻變化率

                                                                                                                                                                                                                              評價

                                                                                                                                                                                                                              試品電阻(Ω)

                                                                                                                                                                                                                              試品電阻率
                                                                                                                                                                                                                              (Ω.m)

                                                                                                                                                                                                                              △R%=

                                                                                                                                                                                                                              平均值△R%

                                                                                                                                                                                                                              技術要求

                                                                                                                                                                                                                              1

                                                                                                                                                                                                                              0.56

                                                                                                                                                                                                                              0.15

                                                                                                                                                                                                                              -16%

                                                                                                                                                                                                                              -15%

                                                                                                                                                                                                                              R%≤20%

                                                                                                                                                                                                                              符合要求

                                                                                                                                                                                                                              2

                                                                                                                                                                                                                              0.63

                                                                                                                                                                                                                              0.17

                                                                                                                                                                                                                              -13%

                                                                                                                                                                                                                              3

                                                                                                                                                                                                                              0.46

                                                                                                                                                                                                                              0.13

                                                                                                                                                                                                                              -15%

                                                                                                                                                                                                                              3、工頻電流耐受試驗


                                                                                                                                                                                                                              T干=28.0℃ t濕=25.℃ p=100.2kpa

                                                                                                                                                                                                                              試品號

                                                                                                                                                                                                                              試品工頻電阻(Ω)

                                                                                                                                                                                                                              試驗后工頻電阻變化率

                                                                                                                                                                                                                              評價

                                                                                                                                                                                                                              試前R1

                                                                                                                                                                                                                              試前R2

                                                                                                                                                                                                                              △R%=

                                                                                                                                                                                                                              平均值△R%

                                                                                                                                                                                                                              技術要求

                                                                                                                                                                                                                              4

                                                                                                                                                                                                                              1.55

                                                                                                                                                                                                                              1.32

                                                                                                                                                                                                                              -15%

                                                                                                                                                                                                                              -13%

                                                                                                                                                                                                                              R%≤20%

                                                                                                                                                                                                                              符合要求

                                                                                                                                                                                                                              5

                                                                                                                                                                                                                              1.47

                                                                                                                                                                                                                              1.29

                                                                                                                                                                                                                              -15%

                                                                                                                                                                                                                              6

                                                                                                                                                                                                                              1.34

                                                                                                                                                                                                                              1.19

                                                                                                                                                                                                                              -11%

                                                                                                                                                                                                                              4、失水試驗


                                                                                                                                                                                                                              試品號

                                                                                                                                                                                                                              電阻(Ω)

                                                                                                                                                                                                                              電阻率Ω.m

                                                                                                                                                                                                                              評價

                                                                                                                                                                                                                              試前R1

                                                                                                                                                                                                                              試前R2

                                                                                                                                                                                                                               

                                                                                                                                                                                                                              平均值

                                                                                                                                                                                                                              技術要求Ω.m

                                                                                                                                                                                                                              4

                                                                                                                                                                                                                              1.73

                                                                                                                                                                                                                              1.84

                                                                                                                                                                                                                              符合要求

                                                                                                                                                                                                                              0.16

                                                                                                                                                                                                                              ≤6

                                                                                                                                                                                                                              符合要求

                                                                                                                                                                                                                              5

                                                                                                                                                                                                                              1.32

                                                                                                                                                                                                                              1.47

                                                                                                                                                                                                                              0.17

                                                                                                                                                                                                                              6

                                                                                                                                                                                                                              0.94

                                                                                                                                                                                                                              1.10

                                                                                                                                                                                                                              0.17

                                                                                                                                                                                                                              上一產品:低電阻接地模塊

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                                                                                                                                                                                                                              一品道门中文字幕视频,受被两个攻做到哭H年下攻,97影院午夜在线影,夜夜未满十八勿进的爽爽影院 <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <蜘蛛词>| <文本链> <文本链> <文本链> <文本链> <文本链> <文本链>