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  • ????o?????????o??????a???????-??????PVC????????????o?
  • Q/ALS2505.9-2003

    ????o?????????o??????a???????

    ???9?????????????PVC????????????o?

    1????'

    ??????????????o?VFF????????1??????????????????????o????VCTF????????1???????????????1?????????????????????o??????????????????o??????????a??1?????????|????????a???1?3???????a????????

    ??????????????o?????o??????o??o??????a?????????????????o????????o????a?????????????

    2????????????????

    JIS3005-1993 ????????????????????????o????????????a???1?3?

    GB/T3956-1997 ???????????????

    3??????|????????a???1?3?

    3.1??????????o???

    3.1.1????o???????????o???|???GB/T3956??- ???5??????????????????

    ??????????????????|????o???|????1??-??????????

    ?1

    ?????

    ????

    ??????

    ?????1?????????????%

    ????????????????mm

    ??????a??????2

    ?????1????????????

    ??1??

    VFF???PVC??????????????????o?

    2

    1.8

    0.18?0.004

    73

    >12

    <54

    VCTF???PVC??????PVC?????????????????o?

    3

    1.8

    0.18?0.004

    73

    >12

    <54

    ?????|??????,????|?????????2??o|???????????????????

    3.1.2????????????????????????o?????|????2??????????

    ?2

    ?????????

    ??????????o|mm

    ????o???'???mm

    ?????????o|mm

    ??????o???mm

    ?13???

    ?????

    ?13???

    ?????

    ????

    VFF 2??1.8mm?2

    0.8

    0.64

    3.4?0.35??6.8?0.35

    0.4

    0.28

    0.5

    4.2?0.2??7.6?0.3

    VCTF 3??1.8 mm?2

    0.6

    0.48

    ???2.95?0.22

    1.0

    0.7

    ???8.4?0.35

    ?????????o??????????????o????o?70mm

    Q/ALS2505.9-2003

    ?????|??????,???JIS3005??-5.(2)???5.(3)???????????????

    3.2???????????

    ????o???20a????????????????????o??????o?10.3??/km???

    ?????|??????????o???1?????1?3????o1m???????o????????????????????????????????

    ??????????????????o|??????20a??????o?????3?????????????o|????-??3???Kt????????-????

    ?3 ??ta?????????????????????????-???20a????????????o|????-??3???Kt

    ????????

    ??????????o|

    t/a??

    ????-??3???

    Kt

    ????????

    ??????????o|

    t/a??

    ????-??3???

    Kt

    ????????

    ??????????o|

    t/a??

    ????-??3???

    Kt

    5

    6

    7

    8

    9

    10

    11

    12

    13

    14

    15

    1.046

    1.059

    1.055

    1.050

    1.046

    1.042

    1.037

    1.033

    1.029

    1.025

    1.020

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    1.016

    1.012

    1.008

    1.004

    1.000

    0.996

    0.992

    0.988

    0.984

    0.980

    0.977

    27

    28

    29

    30

    31

    32

    33

    34

    35


    0.973

    0.969

    0.965

    0.962

    0.958

    0.954

    0.951

    0.947

    0.943

    ?3??????-????-??3???Kt????????1???20a??????????????o|?3?????o0.004/a?????????????

    3.3????????a?

    ???????????????o??o???????:?o???????o?2000V 50Hz ?????????o?3000V 50Hz?o???????????a????????????????

    ?????|??????,???????????????????a????????????????????????????2??1?o????1??',????'15s?????????????????o?100mA???

    3.4???????????

    20a?????????o????????????????o???????o?5M???km???

    ?????|?????????????????????????????a???????????????????????????o?100V?????'????????????????????????1??'?????????1~5min?????????????1????????????3?3?????????????20a????????????3???o|???????o?????????????????????

    R20???Rt??dt??L

    ?????-???R20 20a????????????3????o?????????????????????M???km??????

    Rt ??ta???????????????????M?????

    dt ????o|???????3????????3???

    L ????o????o|???km??????

    Q/ALS2505.9-2003

    3.5????-??a?

    ?????????o??????1???o??o?????????

    ?????|??????????????????????????-??a?????????o??????????????1???o?????o?????????

    3.6??????

    ????o?????o????????????????????,???????o??????o????1?????|???

    2??????o?????????????:

    2??????o????????????:

    3??????o?????2????????????:

    3??????o????????????:

    ?????a??????????????????????????a??????????????????'????2??????o?:??????'???o130?????????????'???o40??????3??????o?:??????'???o180??????????2???????'???o4??????

    ?3:a??2002a????o????o???????1'???,????1'????'???????o??1'????????

    ?????|??????????????????????3??????????????|????????'?????????????????|??-10?????????????-??1????o?????????????

    3.7???o|??????2????????|???

    3.7.1????o????o|:2???????200m???0.1%???3???????100m+0.1%,?????????o??????????????a????'?????????o|?o???????2m???

    3.7.2???2?o???|??????????????????2??????-???????|??????

    3.7.3?????|????|??????????o???

    ?????|????????????o|???3?o???????????2???????????????3????

    3.8???'??

    ????o?????o??13??'????2?3?????????????3?????????????o1?-???o????

    ?????|????????????????3??????????

    Q/ALS2505.9-2003

    4.???a?????

    4.1?????

    ???????1????o???-????o??????5-10??1????????????a????

    4.2???o?

    ???a??1??????3.1???3.8??????1????????1???o?????a??????????

    4.3???????????

    ???a???-?????????1????????????????????????????1??????????1???????????????????????????????????????1????o?????????????

    ????o??o???????, ????o??o?, ????o?, ????o??o?????',????'

  • [??3?-]  [?????] Time:2010-12-27