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。
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。
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。
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 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。
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。
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。
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。
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。
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。
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 the reason of electrical fast transient-burst immunity test of multifunction watt-hour, the necessity, the method and the analysis about result.
介绍了多功能电能表开展电快速瞬变脉冲群抗扰性试验的原因，试验的必要性，试验方案和结果分析。
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。
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。
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；
Selecting proper acquisition and communication manner of watt-hour data is one of the important steps for the construction of watt-hour metering system in meticulous line loss management.
选择电能量数据的合适采集、通信方式是线损精细化管理中电能量计量系统建设的重要环节之一。
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。
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。
First Solar produces thin-film modules capable of creating energy at around $2 per watt, equivalent to 15 cents per kilowatt hour--matching electricity prices in many global markets.
最初的太阳能薄膜模块可产能量为每瓦2美元左右，相当于15美分/千瓦时- 相当于全球许多市场的电力价格。
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。
By use of the advanced techniques of computer control and power line communication, the system realizes the remote control and automatic management watt hour meters.
该系统采用了先进的计算机技术和通信技术，通过在电力线上的信息传输，实现了对电能表的远距离控制和自动化管理。
The performance and price, etc. of major types of single phase and three phase watt hour meters are analyzed and compared, and corresponding Suggestions are put forward.
通过对各种主要类型的单、三相电能表的性能、价格等特点进行分析、比较，提出选用的思路和建议。
Theoretic analysis and field measurement results indicate that the consumer watt hour should not be the energy consumed actually but the fundamental energy in consideration of harmonic energy loss.
理论分析和现场实测结果表明，考虑到电网谐波能耗时，所有电力用户的计费电量应是该用户从电网吸收的基波电能量，而不应是用户实际消耗的电能量。
This paper introduces principle of 93lcxxb serial EEPROM and application of the chips in intelligent watt hour meters.
介绍93lcxxb系列串行EEPROM的工作原理及其该系列芯片在智能型电度表中的应用。
Running the numbers, he has found that a five-watt adaptor used to recharge a device for one hour a day will consume at least as much power on standby during the remaining 23 hours.
经过计算，笔者发现一个5w的适配器空置23小时的耗电量不少于给设备充电一小时的耗电量。
A unit of energy, especially electrical energy, equal to the work done by one watt acting for one hour and equivalent to 3, '00 joules.
能量单位，尤指电能，等于一瓦特一小时所做的功，相当于3，'00焦耳。
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。
The nanotubes generate80 milliliters of hydrogen per hour per watt of ultraviolet light, a record for a photocatalyst-only system.
利用这种奈米管，每小时每瓦特紫外线可产生80毫升氢气，是纯光触媒系统中的最高纪录。
The nanotubes generate80 milliliters of hydrogen per hour per watt of ultraviolet light, a record for a photocatalyst-only system.
利用这种奈米管，每小时每瓦特紫外线可产生80毫升氢气，是纯光触媒系统中的最高纪录。
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