Digital watt-hour meter is the necessary equipment with increasingly wide application while it is necessary realization of quantity traceability.
数字式电能表是必备设备,应用越来越广泛,实现量值溯源是非常有必要的。
The primary goal of this research is to develop a Multi-purpose Watt-hour Meter to adapt to the new management mode.
为配合新的管理方式,我们设计了一款多功能载波通讯电表。
The most important problem of the watt-hour meter is dependability and precision.
对电能表来说最重要的问题是可靠性和精度。
The paper presents the design of non-sinusoidal waveforms Watt-meter, which based on the system SCM of high-speed chip C8051F.
提出了一种以C8051F高速片上系统单片机为核心的非正弦波功率表的设计。
The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.
计量误差考虑了电度表电压线圈和电流线圈在不同的谐波次数以及谐波大小时的非线性效应。
Accurate gauge of electric energy that trolley buses consumed is realized via the intelligent Watt-hour meter, making the scientific management of trolley bus power possible at the same time.
实际应用表明,该电能表可以实现无轨电车用电的准确计量,同时为用电的科学管理打下了基础。
Watt-Hour Meter A watt-hour meter records the total power output at a specific point in a system. Typical recording increment is in kW-hours.
电度表电度表记录系统中某一点的总电力输出,通常以千瓦时为记录单位。
The characteristics of a TM card and its reading-writing circuit and software program are discussed in detail, and a design of TM card watt-hour meter is introduced in brief.
详细讨论了TM卡的特点及其读写电路和软件程序,并简要介绍了一种TM卡收费电表的设计。
In this paper, the design project of a new type electronic time sharing Watt hour meter is presents.
本文介绍一种全电子式复费率电度表的设计方案,给出了其工作原理、硬件配置和软件设计。
This thesis theory analyzed and experiment researched measure error of induction watt-hour meter base on harmonics.
本文对感应式电能表在谐波状况下的计量误差进行了理论分析和实验研究。
The following is a full range of electronic watt-hour meter and power quality measurement equipment.
下面是全系列的电子电能表和电力质量测量设备。
Its task is to collect data of electronic watt-hour meter.
它的主要任务是采集电子式电度表的数据。
The article introduces the kinds of multi-function Watt-hour meter used at home, the corresponding interface of communication, and protocol of communication.
介绍了当前国内使用的三相多功能电能表的类别及其对应的通信接口、通信规约;
This paper introduces a new smart watt-hour meter based on mechanical Induction watt-hour meter. Its work principle, technical features, design of both software and hardware are described.
本文介绍了一种基于机械感应式电度表的新型智能电度表,阐述了它的工作原理、特点及软硬件设计。
In addition, the design thinking of this text is suitable for the designs of IC card watt-hour meter, gas-meter and water meter.
另外,本文的设计思想同样适用于IC卡电度表、IC卡煤气表、IC卡水表等设计中。
A scheme used to control self-perpetuating relay was introduced, which was applied in prepay WATT-hour meter design.
通过磁保持继电器在预付费电能表中的应用设计,详细介绍了一种磁保持继电器的控制方案。
This paper includes the following areas: Designed general scheme of prepaid watt-hour meter based on CPU card.
本文主要研究内容包括以下几个方面:设计了一种基于CPU卡的预付费电能表的总体方案。
The paper presents a new type of watt - hour meter which has the function of zone - crossing meterage, can prevent abnormal usage of watt - hour meter, and also can satisfy the consumer.
主要是从这两个方面入手,研究出新型适应于分区段、防非正常用电等功能的电能表以满足现场急需。
With 3-wire and 4-wire real reactive reference standard, it is capable of calibration for various artificial reactive or real reactive watt-hour meter.
具有三线、四线真无功标准,能满足各类人为无功或真无功电能表的检定。
In this paper, a civil electronic watt-hour meter was designed and its unit circuits were presented.
本文提出了一种民用的电子电度表的设计及其单元电路。
The invention discloses a device for detecting an electric energy meter error under a harmonic condition by adopting a watt-second method, and a detecting method.
本发明公开了一种采用瓦秒法检测谐波条件下电能表误差的装置及检测方法。
DDS371 single-phase electronic electricity steal-resistance watt-hour meter is a novel designed electrical energy measurement utilizing the latest micro-electronic technology.
DDS371型单相电子式防窃电电能表是采用最新的微电子技能研制的新型电能计量仪表。
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.
用途APPLICATIONDD862单相电度表系感应式单相交流有功电度表,用于计量额定频率为50hz,单相交流电网中有功电能的消耗。
DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.
用途APPLICATIONDD862单相电度表系感应式单相交流有功电度表,用于计量额定频率为50hz,单相交流电网中有功电能的消耗。
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