电力电缆选用相关问题!(国外英文资料).docVIP

电力电缆选用相关问题!(国外英文资料) Problems related to power cable selection Abstract: because of the wide variety of special purpose cables, here is a brief introduction. For fluorine plastic cable high temperature environment, polyvinylidene fluoride, cable sheath insulation two continuous working temperature of 150 degrees Celsius, FEP insulated and sheathed cable continuous working temperature of 100 degrees Celsius, PTFE insulated and sheathed cable continuous working temperature 260 degrees celsius...... Key words: power cable selection I. model 1. sheath and insulation material. Common types: VV (VLV) PVC insulated PVC sheathed power cable VY (VLY) PVC insulated PE sheathed power cable YJV (YJLV) XLPE insulated PVC sheathed power cable YJY (YJLY) XLPE insulated and PE sheathed power cable The L in brackets represents the aluminum core cable The foot mark 22 represents a steel band armored PVC sheath The 23 foot mark on behalf of chloroprene sheathed steel tape armored poly Pin 32 stands for fine steel wire armored PVC sheath The 33 foot mark on behalf of fine steel wire installed poly chloroprene jacket Pin 42 stands for thick wire armored PVC sheath 43 foot thick steel wire installed poly chloroprene jacket VV (VLV) class cable conductor, the highest rated temperature of 70 degrees Celsius, short circuit (duration of less than 5 seconds), the maximum temperature is not more than 160 degrees celsius. YJV (YJLV) class cable conductor, the highest rated temperature of 90 degrees Celsius, short circuit (duration of less than 5 seconds), the maximum temperature is not more than 250 degrees celsius. Mineral insulated cable. Magnesium Oxide insulated, copper or high temperature alloy sheath, operating at a maximum rating of 250 degrees celsius. Special use type: Since there are a wide variety of special purpose cables, here is a brief introduction. For fluorine plastic cable high temperature environment, polyvinylidene fluoride, cable sheath insulation two continuous working tem