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6kV~35kV е͉~оXоϩ^|YJV|YJV22|YJLV|YJLV22| XLPE Insulated Power Cable ϩ^|DzûW,ʹϩɾͷӽYD׃SWY,ɟԵľϩ׃ɟԵĽϩ,Ķ˾ϩϻCеܺͭh˃늚 ϩ^|wSL ؞90z϶^ͽ^|ϩ^|;ϩ^|ҾpYΡʹ÷ͻWgͷOƵȃc 26/35KV|18/30KV|12/20KVYJV|8.7/15KVYJV22|6/10KVXо|3.6/6KVYJLVо| е͉|aƷ˜ Standard aƷGB12706~늉35V~оXоϽ^|˜aͬr߀ɸÑҪH늹 ]˜IECӢ˜˜ʼ˜a The product is manufactured according to the standard ofGB12706 or IECBSDIN and ICEA upon request. m÷ Applications aƷmڹl~늉3.6/6kv26/35kvݔ늾· The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv26/35kv. ʹ Operating characteristics l~늉U0/U3.6/6kv26/35kv Rated power-frepuency voltage U0/U: 3.6/6kv26/35kv. |w Sضȣ90 Max.admissible operating temperature of the conductor:90. ·rLrg^5s|w ضȲ^2500C Max. short-circurt temperature of conductor shall not exceed 2500C. (5s maximum duration) |Orhضȑ00C The ambient temperature under installation should not below 00C. |돽о|С|⏽15о|С|⏽20 The bending radius of a single-core cable should not less than 20 times of the cable diameter. The bending radius of a single-core cable should not less than 15 times of the cable diameter. |~늉x Voltage designation |~늉m|ϵy\РrU0/UUmkvʾ U0|OӋõČwػ֮g~l늉 U|OӋõČwg~l늉 UmOɳܵġ ϵy늉 ֵ The rated voltage of the cable for a given applixation shall be suitable for the operating conditions in the system in which the cable is used,and is expressed in the bbbb of U0/UUmkv Where: U0The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed; U The rated power-frequency voltage between conductos, for which the cable designed; Um The maximum value of thehighest system voltagefor which the equipment may beused. ϵy|U0ֵ]± The values of U0 recommened for cable to be used in three-phase systems are listed below: |
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Aϵyԓϵyκһwcغͽӵ،w|r1mincϵyx BϵyԓϵyHӵع϶̕r\еėlӵعϕrg^1h, κr£L^8hÿӵعϿmrg^125h CϵyABϵy System category AThis category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min. System category B This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h. System categeory CThis category comprises all systems which do not fall into A and B |̖Type of cable |
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