零线

低压供电系统中零线断线故障的防护措施

The Protection Measure of Disconnection Malfunction in Null Line Low Voltage Feed System

TN-C系统零线断线故障成因及预防

Causes and Prevention of Zero Line Break in TN-C Power Supply System

利用零线&地线实现高速PLC家庭网络通信

Use Null-Earth Line Implement High Speed PLC Home Networks

基于DEM构造的空间网格曲面模型确定土方工程零线

Estimation of Earthworks Zero Line Based on Spatial Gridding Curved Surface Model Constructed by Digital Elevation Model

目的利用数字高程模型（Digitalelevationmodel，DEM）构造原始地形和场平设计地形的空间网格曲面模型，确定土方工程中的零线。

Earthworks zero line is determined by constructing the spatial gridding curved surface model of the original terrain and the field leveling design terrain by digital elevation mode ( DEM ) .

而采用单相电源时，若DCS与电力设备为公用接地，则DCS电源零线不接地；

The DCS power grounding should be : when three - phase and four-wire system is adopted , the neutral wire should be grounded ;

提出在TN系统中，应放弃使用零线、接零系统、接零保护等老的工程语言；

In TN system , the term of " zero " line and connecting " zero " protection should be abandoned .

在连接UPS的交流引入线时，火线零线不允许接反（注意某些UPS还有相序之分）。

UPS to connect the exchange to introduce line , the battle line is not allowed to access anti-Line ( Note that there are certain sequence of UPS 's ) .

测区及其周边共发生了9次Ms＞5.0级地震，地震发生在正负异常区变换带的零线附近；

The relations between the pictures and 9 earthquakes Ms > 5.0 which occurred in and around the area during the measurement period are studied too . The earthquakes occurred nearby the zero lines of gravity anomalies .

另外标普的MACD指标在零线上方交叉至信号线之上，这一金叉形态也支持看涨的判断。

In addition , the MACD indicator , which is trending above the zero line , crossed above its signal line today and hence confirms the bull case .

零线接地法是一种常见的窃电方法。

Cutting off ground wire is a common stealing electricity method .

低压负荷计量接线中的零线与有功电量漏计

Zero Line and Active Electricity Omission in Low-voltage Load Measurement Wiring

本文提出了加速度记录的零线漂移校正方法和校正准则。

This paper proposes a method of correcting the acceleration records .

关于照明支线单相回路共用零线的探讨

Discussion on Zero Line Commonly Used by Lighting Sub-line Single Phase Loop

一起三相四线制配电系统零线断线故障事故分析

An Analysis of a Neutral Line Break Fault in Three-phase Four-wire System

船舶电力系统中交流配电网零线故障的诊断

Zero Line Fault Diagnosis in AC Power Distribution of Ship Power System

三相四线有功电能表不接零线所造成的影响

The Influences Caused by Three-phase , Four Wires Electric Meter without Earth Wire

有线电视基站相线和零线的检测与自动矫正

Detection Automatic Correction of Phase Line Zero Line Connection of Cable TV Station

电梯的零线和接地线应始终分开

The neutral line and the earthing line of an elevator should always be separated

近场数字强震仪记录误差分析与零线校正方法

Baseline correction of digital strong-motion records in near-field

反窃电技术的研究零线接地法窃电报警和检测电路

The Researches of Technologies against Steal of Electricity Stealing Electricity Alarm and Line Exam

基于激光技术的火炮零线检校仪的研制

Design on an Examination and Adjusting Instrument of Artillery Zero-line Based on Laser Technology

关于三相供电系统中零线断路的探讨断线（绽线或磨断）

On the Broken Circuit of the Negative Wire in Three-phase Power Supplying System ;

降低卫星地面站供电中零线对地电压的措施

Research on Lowering Zero to Earth Voltage Measures in Satellite Earth Station in Power Supply

零线的功能及其截面

Function of neutral and its cross section

基于单片机控制的火炮零线激光通用检校设备的设计

Design of Laser Universal Examination and Adjusting Device of Artillery Zero Line Base on Single-chip Control

三相四线制供电系统中零线的意义

Importance of Zero Line in Power - supply System with Three - phase Four - wire System

对零线电流补偿方法的不同产生出了不同的主电路结构形式和控制方法。

Different compensation method of neutral current produces different structure forms of main circuit and control methods .

零线电流大于相线电流的充要条件大化肥配电网零线断线的危害及预防措施

Damage from Breakage of Zero Line on Distribution Network In Large Chemical Fertilizer Plant and Precaution Against It

三相四线制低压配电系统零线故障对安全用电的影响及保护措施

Influence of the neutral wire trouble in three-phase four-line system on safe power consumption and its protective measure