Calculation of Error Electric Quantity of Pass Electricity Metering Device in Fault in Power Plant Design of marine generator real-time protector set based on MCU 发电厂关口电能计量装置故障时差错电量的计算基于单片机的船用发电机实时保护装置设计
Wiring Estimate and Electric Quantity Compensate for High Voltage Electric Energy Meter; VHF vacuum-tube voltmeter 高压有功电能表的接线判断及电量追退甚高频电子管电压表
According to the basic principle of AC electric quantity, this article analyses the factors of accuracy to be influenced by AC samples from a microcomputer and discusses the way of finding solutions. 本文根据交流电量基本原理,分析了微机交流采样影响精度的因素,并探讨了解决的方法。
By calculating the loss electric quantity, loss rate, correlative value of last period, the corresponding period value, we can learn the abnormal situation of substation area line loss. 计算损失电量、损失率、上周期的对比值、同期值,了解台区线损异常情况。
Analysis on the Relation between Error Size of Power Transformer and Electric Quantity 计量用电力互感器误差大小与电量的关系
How to set up the mathematical expression of the electric quantity quickly and accurately is a basic and an important segment. 如何准确、简单而快速地建立起所求电量的数学表达式以及该量值的大小,是电量测试过程中基本而重要的一个环节。
Power Frequency Electric Quantity Test System Based on the Operation of Pocket PC 基于掌上电脑操作的工频电量测试系统
The electric quantity of the capacitance in the delay circuit can be discharged rapidly through the discharge circuit. 本延迟电路的电容电量能通过所述放电电路迅速释放。
Application of Distributed Sale Electric Quantity Non-correspondent Assay Method in Line Loss Management 供售电量不对应分析法在线损管理中的应用
List the change rate of the same period of sole substation area's supplying and sale electric quantity, and the corresponding period correlative value of loss factor. 列出单台区供、售电量同期变化率、损失率的同期对比值。
The harmonics and low power factor also cause aggrandizement of calculate error, more affect electric quantity balance. 同时谐波和低功率因数也引起并联补偿电容器回路有功计量误差增大,进而影响母线电量平衡。
Application of Modbus Data Communication Bus in Electric Quantity Monitoring Modbus数据通信总线在电量监测中的应用
Research on the current sampling precision in the electric quantity gauge 电量计量中电流采样精度的研究
Risky Decision In Distributing Electric Quantity Between Electricity Market and Electric Reserve Market 发电厂在主电能市场和备用市场分配电量的风险性决策
The Research and Development of Monitoring System of Remote Electric Quantity 远程电量监控系统的研究与开发
Influence of Proportion of Competitive Electric Quantity on Price Formation Mechanism in Medium and Long-term Contract Electricity Market 竞争电量比例对中长期电力市场价格的影响分析
Transformer status monitoring and health diagnosing based on electric quantity is another important aspect of this paper. 基于电气量的变压器状态监测与健康诊断是本文的另一重要研究内容。
The Modbus based data communication between ( ABB's) electric power monitoring modules ( PMC916 and RSI32) and the host supervisory computer in the electric quantity monitoring system of the low voltage power distribution station is introduced. 介绍了在低压配电站电量监测系统中,ABB公司电力监测部件(PMC916和RSI32)与上位监控计算机之间基于Modbus的数据通信。
It has been confirmed that, when the style of discontinued power supply is adopted, the extraction results are basically consistent with variation characteristics of time-extracted quantity curves so long as the cumulative electric quantity is equal to the quantity of continuous power supply. 证实了采用间断供电方式时,只要累积电量与连续供电相等,则其提取结果和时量曲线变化特征将基本一致。
The electric quantity and non-electric quantity are measured in an intelligent testing system in which 8031 single-chip microcomputer is lower machine and PC is upper machine based on the above measuring method. 在以上智能检测技术的基础上,将各种电量和非电量集中在一个检测系统中,以8031单片机为下位机,PC机为上位机进行检测。
This system realizes the automatic electricity management. Simultaneously, it has the function of warning and real-time displaying the electric quantity and cost. 该系统实现了电量管理自动化,同时起到了实时显示用电量和用电费及报警的作用。
Based on the cost of electricity and a reasonable shared cost of capacity and electric quantity, a method for calculating time of use pricing and season of use pricing of water power station is developed. 本文在以成本为主的原则下,在容量费用和电量费用合理分担的基础上,提出了水电厂峰谷分时电价和丰枯分季电价的计算模式。
Effects of PTFE content in electrode, current density, temperature of electrolyte and electric quantity on pinacol yield was discussed. 探讨了复合电极中PTFE含量、阴极电流密度、电解液温度、电解电量对频那醇产率的影响。
Calculation of Short-Out Electric Current and Electric Quantity Loss in Power Supply System 供电系统中短路电流和电量损失的计算方法
It was swiftly to obtain the thickness of alumina film by using of it's dielectric property and capacitor model, which was validated by means of EM, electric quantity and volt-ampere. 通过自制的铝电解电容器模型,利用氧化铝薄膜具有的介电性能,通过电容量法可以准确快捷地计算氧化膜的厚度,并通过显微直接观察法、电解电量法、伏安法进行了验证。
Using timer interrupt mode, and the establishment timer interrupt priority is highest, has realized electric quantity gathering and the memory, has guaranteed the electric quantity gathering timely request. 利用定时器中断方式且设置定时器中断优先级最高,实现了电量采集与存储,保证了电量采集的实时性要求。
The content of this paper includes the following: 1. The system uses a single-phase pulse energy meter, which provides pulse train in proportion to electric quantity, and the pulse is acquired, processed, stored by SCM. 本论文主要包括以下几个方面:1.应用了一款单相脉冲电能表,该表提供与用电量成正比的脉冲群,利用单片机对其进行采集、处理、存储。
For the actual situation of coal prices and the incremental cost of power generation, the early warning system can dynamic control the business indicators, guide the electric quantity plan and the coal-burning purchase. 本文所设计的预警系统能够针对电煤价格上涨和发电成本增支的实际状况,对经营指标实施动态控制,以引导电量计划和燃煤采购。
It further illustrates the importance of molecular structure, which not only affects the "critical electric quantity", but also affects the distribution of polarization charge. 这进一步说明了分子结构的重要性,它不仅影响临界电量,还影响极化电荷的分布。