GB/T 27905.5-2011
ActiveInspection methods for trace and physical evidences from fire scene Part 5: Small Power induction motor
火灾物证痕迹检查方法 第5部分:小功率异步电动机
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 器材 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Apparatus
Scope
This part of GB/T 27905 specifies the terms, definitions, and apparatus for inspection of trace and physical evidences from fire scene of small power induction motors (hereinafter referred to as motors), and provides the inspection steps and fault trace characteristics of motors. This part is applicable to laboratory inspection of trace and physical evidences from fire scene of motors.
GB/T 27905 的本部分规定了小功率异步电动机(以下简称为电动机)火灾物证痕迹检查的术语和定义器材, 给出了电动机的检查步骤和故障痕迹特征。本部分适用于电动机火灾物证痕迹的实验室检查。
Normative References
Keywords
Application Summary AI generated
Fire investigators use this standard to examine trace and physical evidence left by small power induction motors after a fire. They follow specified steps and fault characteristics to identify electrical or mechanical failures in the motor, helping determine the fire's origin. This standard matters because it provides a unified technical basis for identifying motor-related fire causes.
火灾调查人员使用这个标准来检查小功率异步电动机在火灾后留下的物证痕迹。他们通过规定的步骤和特征识别电动机的电气或机械故障，从而判断火灾起因。这个标准很重要，因为它为电动机火灾原因的认定提供了统一的技术依据。
AI Summary AI generated
GB/T 27905.5-2011 is Part 5 of the series on inspection methods for trace and physical evidences from fire scene, specifically for small power induction motors. It specifies terms, definitions, apparatus, inspection steps, and fault trace characteristics for motor fire evidence examination. Applicable to laboratory inspection, it references GB/T 2900.25, GB/T 2900.27, and GB/T 16840.1. Fault traces are categorized into electrical and mechanical types, and common measuring and disassembly tools are listed. This standard provides a unified technical specification for fire investigators.
GB/T 27905.5-2011 是火灾物证痕迹检查方法系列标准的第5部分，专门针对小功率异步电动机。标准规定了电动机火灾物证痕迹检查的术语、定义、所需器材，以及检查步骤和故障痕迹特征。适用于实验室环境下对电动机火灾物证的检查。标准引用了GB/T 2900.25、GB/T 2900.27和GB/T 16840.1等文件，将故障痕迹分为电气故障和机械故障两类，并列出常用测量和拆卸工具。该标准为火灾调查人员提供了统一的技术规范。
Key Sentences extracted from text
GB/T 27905 的本部分规定了小功率异步电动机(以下简称为电动机)火灾物证痕迹检查的术语和定义器材, 给出了电动机的检查步骤和故障痕迹特征。
本部分适用于电动机火灾物证痕迹的实验室检查。
电动机因发生过欠电压,过负荷,缺相运行,接触不良,绕组短路等故障而遗留下的痕迹。
电动机因发生轴承损坏,转子扫堂,拖动负荷机械卡死等机械性故障而遗留下的痕迹。
测量仪表:万用表,兆欧表等。
This part of GB/T 27905 specifies the terms, definitions, and apparatus for inspection of trace and physical evidences from fire scene of small power induction motors (hereinafter referred to as motors), and provides the inspection steps and fault trace characteristics of motors.
This part is applicable to laboratory inspection of trace and physical evidences from fire scene of motors.
Traces left by the motor due to faults such as undervoltage, overvoltage, overload, phase failure operation, poor contact, winding short circuit, etc.
Traces left by the motor due to mechanical faults such as bearing damage, rotor rubbing, dragging load mechanical jamming, etc.
Measuring instruments: multimeter, megohmmeter, etc.