Safety considerations for electrical heat tracing

被引：3

作者：

Baen, P. ^{[1
]}

Jones, R. ^{[1
]}

Mohla, D. ^{[1
]}

Rafferty, N.R. ^{[1
]}

Robicheaux, L. ^{[1
]}

Sandberg, C. ^{[1
]}

机构：

[1] Thermon Industries, San Marcos, United States

来源：

IEEE Industry Applications Magazine | 1996年 / 2卷 / 02期

关键词：

Electric cables - Electric circuit breakers - Electric equipment protection - Electric fault currents - Electric impedance - Electric resistance - Piping systems - Safety devices - Thermal expansion - Thermal insulation;

D O I：

10.1109/2943.485763

中图分类号：

学科分类号：

摘要：

With the advent of electrical heat tracing, a number of challenges have confronted the industry to ensure safe and reliable heat tracing operation. Reliability of heat tracing systems can directly affect safety-related operations. As a good example, the safety of process systems should not be dependent on the performance of a single component of the heat tracing system. In this article, the issue of high-impedance, low-current faults in electrical heating cables is addressed. Such faults usually initiate from phase to ground but have currents that are insufficient to trip the circuit protective device. However, the faults can dissipate enough energy to cause fires and other equipment damage.

引用

页码：49 / 59