wa ce cretor

用法例句

On-line calibration of energy metering device based on high voltage energy meter

基于高压电能表的计量装置在线校验技术

Represent definition,function and development process about the electric energy metering device at the exchange point between the electric plant and the electric company.

阐述电网关口的定义、作用和发展历程,考察关口电能计量装置的构成及其综合误差的来源和计算过程,以此为基础研究关口电能计量综合误差的不确定度评定方法。

The problems of the metering device of the distribution transformer in Longhai rural district are analyzed,and the electric quantity lost caused by those problems calculated.

分析了龙海地区农村配电变压器计量装置存在的问题,对由此产生的电量损失进行了计算;分析了计量装置故障原因,提出了完善农村配电变压器计量装置的措施,并对改造后的农村配电变压器计量装置进行跟踪调查以说明改造效果。

The operational principle of some metering units, such as leadscrew nut mechanism, pendulum bar type metering unit, metering pump, are introduced.

介绍了丝杠螺母机构、摆杆式计量装置、计量泵装置等计量装置的工作原理。

The working principles, properties characters of gear pump and plunger pump——2 kinds of metering units wide used in RIM machine, and the wedged metering unit developed on the base were all introduced.

介绍了RIM机中广泛使用的 2种计量装置———齿轮泵和柱塞泵的工作原理、性能特点 ,以及在此研究基础上开发的楔形计量装

Although the manufacturers are possessed of the set of flowrate computers and flowrate metering unit,the users generally use their own SCADA systems to monitor meters instead of purchasing the dedicated flowrate computers in order to avoid investment, the problem that the flowrate metering unit allocates with SCADA system are proposed.

流量计量及流量标定的过程比较复杂,目前广泛采用流量计算机对流量计量装置进行数据采集、处理。

On the basis of analyzing synthetical errors of electric energy metering installation,puts forward the measures of adopting high voltage metering box measuring electric energy in 35kV and below distribution network,which reduce synthetical errors and prevent stealing electricity.

在分析电能计量装置综合误差的基础上,提出在35kV及以下电压等级的配电网中采用高压计量箱计量电能的措施以减少综合误差和防止窃电。

Watermeter is a metering installation for water-supply enterprises.

水表是供水企业计量装置,水表的选用,水表的安装、维修、校验,水表的抄读管理,直接关系到企业的经济效益和服务质量,加大水表管理力度,是企业的一项重要的基础工作。

Design the measuring device controlled system based on PLC technical,and human-computer interface based on human-machine engineering.

采用可编程序控制技术及人机工程学方法的人机操作界面设计计量装置电控系统,具有结构简单、运行可靠、效率高的特点。

The influence of second circuit and second load of pass measuring transformer on measuring devices are introduced,the errors of voltage transformer under the second load are analyzed specially,the importance of controlling transformer second circuit parameter to reduce integrated errors are explained.

介绍关口计量用互感器二次压降与二次负荷对关口计量装置综合误差的影响,重点分析实际运行二次负荷下电压互感器的误差,说明了控制互感器二次回路参数指标对减小关口计量装置综合误差的重要性。

positive injection gravel compaction metering unit

砾石注入充填计量装置

The Setting up of the Metering Device for Users of High-voltage Dual Power Supply

高压双电源供电用户计量装置的设置

Design on the digital metering device of electricity based on Proteus

基于Proteus的数字电能计量装置设计

The design of electric energy metering device running status analysis system

电能计量装置运行状态分析系统设计

Research of the Influence of Harmonic to the Metering of Electric Energy and Study of the Device of Electric Energy Measurement;

谐波对电能计量的影响及计量装置的研究

Development of a Device for Metering Harmonic Energy in Electric Power System Based on DSP;

基于DSP的谐波电能计量装置的研制

The Research of Measuring Instruments Dynamic Monitoring and Line Losses Analysis;

计量装置动态监测及线损分析的研究

Automatic Checking System of Energy Metering Device Abnormal Wiring;

电能计量装置异常接线自动校验系统

master meter prover

标准流量计检定装置

overdesign of cracking unit

有余量的裂化装置设计

pipe-type meter prover

管式流量计标定装置

master meter calibration unit

标准流量计标定装置

A Few Suggestions as to Arrangement of Standard Flow Meters for Crude Oil

对原油计量流量标准装置设置的建议

An instrument used to measure tactile sensitivity.

触觉测量计用来测量触觉的一种装置

reciprocating force-pump for liquids, not fitted with nor designed to be fitted with a measuring device

往复式液体压力泵,未装或未设计装有测量装置

Research and Design on the Calibrating Device of Small Caliber Flow Meter;

小口径流量计检定装置的研究与设计

Digital Watt-hour metering system and verification equipment

数字式电能计量系统及检定装置设计

digital electronic procedural accumulative scaling device

数字顺序累计称量电子装置