BV电缆国家标准说明

BV电缆国家 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 说明 BV电缆国家标准说明 bv电线 全称铜芯聚氯乙烯绝缘电线,即一般用途单芯硬导体无护套电缆,也就是我们日常生活中使用的普通绝缘电线、家装电线,是最常用的电线类型。具有抗酸碱、耐油性、防潮、防霉等特性。 BV电线 BV电线 - 结构及材质 1.分类和用途是用来分布电流用的,属于布电线类,用字母“B”表示; 2.导体 材料 关于××同志的政审材料调查表环保先进个人材料国家普通话测试材料农民专业合作社注销四查四问剖析材料 是铜，无氧铜杆，,用字母“T”表示,布电线中铜芯导体省略表示; 3.绝缘材料为聚氯乙烯,用字母“V”表示; bv电线结构简单,有的还有护套,护套材料为聚氯乙烯也用字母V表示,如BVV电线 表示铜芯聚氯乙烯绝缘聚氯乙烯护套圆型电线 。常用bv线径从1.5平方到240平方不等。 BV电线 - BV电线的新国家标准、单丝直径及根数 BV的单丝直径及根数 圆的面积公式:半径×半径×3.14，圆周率，。 specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report layout; Project contract and related change documents, and so on. II verification of projects completed and unfinished engineering project getting ready for a trial operation or project work, analysis of the preparation of final accounts. Pre-acceptance Division in the unit before completion, managed by the company's technical department to organize the technical staff to carry out the internal inspection, check whether the relevant engineering data files are available, Beijing rehabilitation center expansion project (phase I) Beijing, in the weak electricity system design software co 2011.10.28 project overview rehabilitation center expansion project in construction of Beijing Municipal Party Committee and municipal government support, chaired jointly by the municipal Trade Union, Federation, and development. Project implemented in two stages. A project on July 4, 2010 the project construction period 2 years, completed in late 2012. A new 46750 square meters, transforming 14310 square, removed 13033 square meters. Beijing rehabilitation center after the BV的单丝直径及根数 如BV 2.5的,国标直径为1.78mm,半径即为0.89mm。 故截面积为:0.89×0.89×3.14=2.487194约等于2.5mm²/平方毫米。 以下类推,1-6平方均为单芯直径,10平方以上为多芯,详见附表1。 BV执行标准 GB/T 5023.3-2008 电线载流量计算 铜线每平方毫米6安培。铝线是每平方毫米5安培(仅供快速估算) 4平方的铜线:4*6=24A 6平方的铜线:6*6=36A 10平方的铜线:10*6=60A 16平方的铜线:16*6=96A 使用环境及用途 bv电线使用环境及用途:适用于交流电压450/750V及以下动力装置、日用电器、仪specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report layout; Project contract and related change documents, and so on. II verification of projects completed and unfinished engineering project getting ready for a trial operation or project work, analysis of the preparation of final accounts. Pre-acceptance Division in the unit before completion, managed by the company's technical department to organize the technical staff to carry out the internal inspection, check whether the relevant engineering data files are available, Beijing rehabilitation center expansion project (phase I) Beijing, in the weak electricity system design software co 2011.10.28 project overview rehabilitation center expansion project in construction of Beijing Municipal Party Committee and municipal government support, chaired jointly by the municipal Trade Union, Federation, and development. Project implemented in two stages. A project on July 4, 2010 the project construction period 2 years, completed in late 2012. A new 46750 square meters, transforming 14310 square, removed 13033 square meters. Beijing rehabilitation center after the 表及电信设备用的电线电缆。 电阻=电线长度x 导电系数/截面积 额定电压450/750V BV 标称截面 线芯结构 ，mm2，根数/直径，mm， 1.5(A) 1/1.38 1.5(B) 7/0.52 2.5(A) 1/1.78 2.5(B) 7/0.68 4(A) 1/2.25 4(B) 7/0.85 6(A) 1/2.76 6(B) 7/1.04 10 7/1.35 16 7/1.70 25 7/2.14 35 7/2.52 50 19/1.78 specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report layout; Project contract and related change documents, and so on. II verification of projects completed and unfinished engineering project getting ready for a trial operation or project work, analysis of the preparation of final accounts. Pre-acceptance Division in the unit before completion, managed by the company's technical department to organize the technical staff to carry out the internal inspection, check whether the relevant engineering data files are available, Beijing rehabilitation center expansion project (phase I) Beijing, in the weak electricity system design software co 2011.10.28 project overview rehabilitation center expansion project in construction of Beijing Municipal Party Committee and municipal government support, chaired jointly by the municipal Trade Union, Federation, and development. Project implemented in two stages. A project on July 4, 2010 the project construction period 2 years, completed in late 2012. A new 46750 square meters, transforming 14310 square, removed 13033 square meters. Beijing rehabilitation center after the 70 19/2.14 95 19/2.52 120 37/2.03 150 37/2.25 185 37/2.52 240 61/2.25 300 61/2.52 400 61/2.85 额定电压450/750V BVR 标称截面 线芯结构 ，mm2，根数/直径，mm， 2.5 19/0.41 4 19/0.52 6 19/0.64 10 49/0.52 16 49/0.64 25 98/0.58 35 133/0.58 specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report layout; Project contract and related change documents, and so on. II verification of projects completed and unfinished engineering project getting ready for a trial operation or project work, analysis of the preparation of final accounts. Pre-acceptance Division in the unit before completion, managed by the company's technical department to organize the technical staff to carry out the internal inspection, check whether the relevant engineering data files are available, Beijing rehabilitation center expansion project (phase I) Beijing, in the weak electricity system design software co 2011.10.28 project overview rehabilitation center expansion project in construction of Beijing Municipal Party Committee and municipal government support, chaired jointly by the municipal Trade Union, Federation, and development. Project implemented in two stages. A project on July 4, 2010 the project construction period 2 years, completed in late 2012. A new 46750 square meters, transforming 14310 square, removed 13033 square meters. Beijing rehabilitation center after the 50 133/0.68 70 189/0.68 BVR最大截面70 ，数据引自《广州佳冠电线电缆有限公司电线电缆手册下》 specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report layout; Project contract and related change documents, and so on. II verification of projects completed and unfinished engineering project getting ready for a trial operation or project work, analysis of the preparation of final accounts. Pre-acceptance Division in the unit before completion, managed by the company's technical department to organize the technical staff to carry out the internal inspection, check whether the relevant engineering data files are available, Beijing rehabilitation center expansion project (phase I) Beijing, in the weak electricity system design software co 2011.10.28 project overview rehabilitation center expansion project in construction of Beijing Municipal Party Committee and municipal government support, chaired jointly by the municipal Trade Union, Federation, and development. Project implemented in two stages. A project on July 4, 2010 the project construction period 2 years, completed in late 2012. A new 46750 square meters, transforming 14310 square, removed 13033 square meters. Beijing rehabilitation center after the