Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
IEC 60211 标准解读：最大需量指示器——电力负荷管理的核心计量工具
工业电费账单里”需量电费”为…
IEC 60299: Household Electric Blankets — Safety Standards for the Appliance With the Longest Body Contact Time
The Heating Wire Under Your Body Passed…
IEC 60299 标准解读：家用电热毯——与人接触时间最长的电器的安全标准
电热毯的发热丝在你身体下面通过了30000次…
IEC 60298: AC Metal-Enclosed Switchgear — Internal Arc Protection and LSC Classification
An LSC2B Switchgear Limits Arc Propagat…
IEC 60298 标准解读：交流金属封闭开关设备——内部电弧故障防护与LSC分类
LSC2B级开关柜：一个隔室内的电弧故障不会…
IEC 60297-5-100 标准解读：19英寸机柜——全球IT基础设施的标准化骨架
为什么全世界的服务器都能装进同一个19寸…
IEC 60297-5-100: 19-Inch Racks — The Standardized Skeleton of Global IT Infrastructure
Why Every Server Fits Every 19-Inch Rac…
IEC 60296: Mineral Insulating Oils — Quality Standards for Transformer “Blood”
Corrosive Sulfur: The Most Insidious Ki…
IEC 60296 标准解读：矿物绝缘油——变压器”血液”的质量标准
腐蚀性硫——变压器内部故障最隐蔽的杀手：…
IEC 60294: Cylindrical Component Measurement — GO/NO-GO Gauging for Axial Resistors and Capacitors
A Lead Span Deviation Exceeding ±1 mm W…
IEC 60294 标准解读：圆柱形元件尺寸测量——轴向电阻电容的通止规检验
轴向元件的引线跨距偏差超过±1mm，自动化…
IEC 60287-3-3: Cable Current Rating — Why Buried Cables Carry 30% More Current Than Air-Installed
Cable Ampacity Is Fundamentally Thermal…
IEC 60285: Alkaline Secondary Batteries — Why NiCd Remains Irreplaceable at Temperature Extremes
Li-Ion Has the Highest Energy Density, …
IEC 60287-3-3 标准解读：电缆载流量计算——为什么直埋比空气中敷设载流量高30%？
电缆载流量的本质是热路计算：土壤热阻、…
IEC 60285 标准解读：碱性蓄电池——镍镉电池在极端温度下的不可替代性
锂电池能量密度最高，铅酸最便宜——但-40°C…
IEC 60282-3: HV Current-Limiting Fuses — Interrupting Fault Current Before It Reaches the First Peak
The Essence of Current-Limiting Fuses: …
IEC 60282-3 标准解读：高压限流熔断器——在短路电流达到峰值之前就将其切断
限流熔断器的精髓：在短路电流达到第一个…
