BS 7912-2012+A2-2023 额定电压 66 kV (Um = 72.5 kV) 至 132 kV (Um = 145 kV) 交联聚乙烯绝缘金属护套电力电缆及其附件

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venus 2026-05-04 37 2.62MB 68 页 20星币
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BSI Standards Publication
BS 7912:2012+A2:2023
Power cables with XLPE insulation and
metal sheath, and their accessories, for
rated voltages from 66 kV (Um = 72.5 kV)
to 132 kV (Um = 145 kV)
(Implementation of HD 632)
北极星标准文库-高清标准规范分享平台 www.bjxwk.com
Publishing and copyright information
The BSI copyright notice displayed in this document indicates when the document was last issued.
© The British Standards Institution 2023
Published by BSI Standards Limited 2023
ISBN 978 0 539 24858 6
ICS 29.060.20
The following BSI references relate to the work on this document:
Committee reference GEL/20/16
Draft for comment 12/30244367 DC; 17/30354015 DC; 23/30465367 DC
Amendments/corrigenda issued since publication
Date Text affected
February 2015 C1. See Figure 3.
January 2016 C2. See Figure 3, Key.
July 2017 A1. See Foreword for details.
October 2023 A2. See Foreword for details.
BS 7912:2012+A2:2023 BRITISH STANDARD
© THE BRITISH STANDARDS INSTITUTION 2023 – ALL RIGHTS RESERVED
北极星标准文库-高清标准规范分享平台 www.bjxwk.com
Contents Page
Foreword IV
1 Scope 1
2 Normative references 1
  2
4 Voltage designation and cable design features 3
4.1 Voltage designation 3
Table 1 — Test voltages 4
4.2 Cable maximum temperatures 5
Table 2 — Cable maximum temperatures 5
4.3 Semi-conducting screens 5
4.4 Metal cable sheathing materials and metal screen 5
4.5 Oversheath materials 5
4.6 Precautions against water penetration in cables 5
5 Marking of cables 6
5.1 External marking 6
  6
5.3 Mark of an approval organization 6
6 Cable characteristics 6
7 Accessory characteristics 7
8 Test conditions 7
8.1 Ambient temperature 7
8.2 Frequency and waveform of power frequency test voltage 7
8.3 Waveform of impulse test voltage 8
9 Routine tests on cables and on the main insulation of prefabricated accessories 8
9.1 General 8
9.2 Partial discharge test 8
9.3 Voltage test 8
9.4 Electrical test on oversheath of the cable 9
10 Sample tests 9
10.1 Cables 9
Table 3 — Number of samples for sample tests 9
Table 4 — Test conditions and requirements for particular characteristics of cable insulating
materials 10
10.2 Accessories 16
11 Type tests – Summary 16
11.1 General 16
11.2 Range of type approval for cables 17
11.3 Range of type approval for accessories 17
11.4 Summary of type approval tests 18
Table 5 — Type tests on cable components 19
12 Electrical type tests on cables 19
12.1 Electrical tests on complete cable 19
12.2 Sequence of tests 19
12.3 Special provisions 20
12.4 Check on insulation thickness of cable for electrical type tests 20
12.5 Bending test 20
12.6 Partial discharge test 21
12.7 Tan δ measurement as a function of the voltage and capacitance measurement 21
BRITISH STANDARD BS 7912:2012+A2:2023
© THE BRITISH STANDARDS INSTITUTION 2023 – ALL RIGHTS RESERVED I
北极星标准文库-高清标准规范分享平台 www.bjxwk.com

标签： #金属 #乙烯 #交联聚乙烯

摘要：

本页介绍英国标准 BS 7912-2012+A2-2023，该标准规范了额定电压 66 kV (Um = 72.5 kV) 至 132 kV (Um = 145 kV) 交联聚乙烯绝缘金属护套电力电缆及其附件的设计、制造、试验与性能要求。作为电力传输领域的关键技术文档，该标准适用于中高压地下输配电系统，尤其覆盖了66kV至132kV电压等级的电缆及其终端、接头等核心附件。内容详细包含导体结构、绝缘层厚度、金属护套类型（如铝套、铅套或波纹金属套）、耐压试验、局部放电测试以及热循环等关键指标。最新版

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