您要查找的是不是：
- commutator type watthour meter 换向式瓦特小时计
- Three phase induction type watthour meter 三相感应式电度表
- mercury type watthour meter 水银瓦特小时计
- motor type watthour meter 电动机型瓦时计
- induction type watthour meter 感应式瓦特小时计
- This paper introduces the principle,characteristics and typical application of one single chip watthour meter IC SPM3-20. 介绍了一种单片电度表专用芯片SPM3-20的原理、特点和典型应用。
- The communication between the Watthour meter and the data collection terminal is very important to the load manage system and the automatic meter reading system. 本文针对电能表与采集终端通信中常见的软件、硬件问题，分析了实物测试的缺点，阐述了通信测试原理和方法，提出了基于标准化平台的通信测试系统。
- Watthour Meter, Model J0405, is the inductive instrument;it is suitable for middle schools and polytechnic schools to measure electric-energy in the single-phase AC circuit in the teaching experiment. J0405型电能表是供课堂教学实验使用的感应系单相电能表，适用于中学、中专等实验室测量交流电路中的电能。
- Alternating current commutator type exciter 交流换向器式励磁机
- synchronous commutator type rectifier 同步整流子式整流器
- commutator type frequency converter 整劣式变频机
- Deng Zhi, Xu Baiyu, Mei Guihua et al.Influence of harmonic powers on metering error of induction watthour meter[J].Proceedings of the CSEE, 2002, 22(4): 138-143. [3]邓志;徐柏榆;梅桂华;等.;谐波功率对感应式有功电度表计量的影响[J]
- commutator type function generator 换向器型函数发生器
- commutator type analog-digital converter 换向器型模－数交换器
- A Prepayment System for Watthour Meter by IR 红外式电费预付费系统
- Requirements for watthour meter sockets 电度表插座技术要求
- stator of an induction watthour meter [电] 感应瓦时计的定子
- integrating reactive watthour meter 积算无功瓦时计
- This work presents the results on the accuray of watthour meters when subject to closely-duplicated real-world unbalanced harmonic voltage and current conditions. 阐述了在精确重现实际不平衡谐波电压和电流条件下电度表准确度研究项目第一阶段的结果。
- DESIGN OF OPTOELECTRONIC MULTI-FUNCTIONAL WATTHOUR METER USING DSP 基于DSP的光电式高低压电能表
