How to find the polarity of the primary coil?
怎么确定初级线圈的极性？
The power supply (22) includes a primary coil (32).
电源(22)包括初级线圈(32)。
The resistance of the primary coil has been neglected.
忽略原边线圈电阻的条件下推导出来的。
The transformer has a primary coil and a secondary coil.
变压器有一个初级线圈和次级线圈。
The induced electromotive force at the secondary coil can be got by changing the flux of the primary coil.
采用变磁阻法改变初级线圈的磁通，在次级绕组上得到相应的感应电势。
The DC excitation is internally converted to an AC carrier signal which excites the transducer's primary coil.
直流电压在内置电路被转换交流载波信号，激励传感器的初级线圈，一个集成的解调放大。
The inductive reactance of a primary coil is much larger than the value of load resistance converted into the primary;
变压器原边线圈电感的感抗远远大于负载电阻对原边的折算值；
The machine directly winds the primary coil on the rectangular enclosed voltage transformer core, which is originated by our institute.
该机可在矩形封闭的电压互感器铁芯上直接绕制一次线圈，为我所之首创。
The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.
主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。
The receiver pad coils are magnetically coupled to the primary power coil.
电力接收垫线圈与主电力线圈是磁耦合的。
Ignition coil primary winding. Current flow through the coil produces an electromagnetic field, which is used to induce a high voltage in the secondary coil.
点火线圈初级绕组。电流通过线圈，产生一个电磁场，用来在次级线圈中产生高电压。
Through the analysis of the wave of primary current and sub-voltage detected by oscillograph, the malfunction of ignition coil will be diagnosed.
介绍了用示波器检查初级电流和次级电压波形，通过波形分析诊断出点火线圈的故障。
The electronic control unit allows current to flow through the ignition coil primary winding until it senses a triggering voltage pulse from the speed sensor, or pickup coil.
电子控制单元使电流通过初级绕组直到感知到一个从转速传感器或拾波线圈产生的触发电压脉冲。
The receiver pad coils are magnetically coupled to the primary power coil .
电力接收垫线圈与主电力线圈是磁耦合的。
The two primary types of pressure plate assemblies are coil spring assembly and diaphragm spring .
有两个基本类型的压盘是螺旋弹簧组压盘和膜片弹簧压盘。
Presents the air conditioning system and smoke exhaust system design of this project, applies the primary air fan coil system and secondary pump water system in the Top Electronics City.
简要介绍了鼎好电子商城空调系统和防排烟系统的设计，商城采用了风机盘管加新风空调系统和二次泵空调水系统。
This is the total time from energizing the trip coil until the interruption of current on the primary arcing contacts.
此时间为从跳闸线圈受电到主触头电弧电流开断为止的总时间。
The role of circuits in this part is to sense signals sent in vitro through receiving coil coupling, and then two paths of primary signals are demodulated to be transmitted to a stimulation electrode.
这部分电路的作用是通过接收线圈耦合感应出体外发射来的信号，然后再解调出两路原始信号传输给刺激电极。
The paper research completely deep present consuming energy to Primary air fan-coil unit system, Path and method of energy saving was systematically brought forward.
本文对风机盘管空调系统的耗能现状进行了全面地分析研究，提出了一些节能的途径和方法。
Common processes of primary air fan-coil system are given in this paper. The disadvantage of winter process is pointed out.
本文给出风机盘管加新风系统冬夏季常用处理过程，指出冬季处理过程确定困难的缺点。
By using this method, winter process of primary air fan-coil system is more convenient to be determined and the performance of fan coil is more stable.
该方法能方便确定风机盘管加新风系统冬季处理过程，并且冬夏季风机盘管运行更稳定合理。
The primary air fan-coil system is a system form that is used widely, whose water system hydraulic optimization is an important mean of advancing design work quality and efficiency.
风机盘管加新风是空调系统中广泛采用的一种空调系统形式。其风机盘管水系统管网水力优化是提高空调系统设计质量和运行效率的重要手段。
The primary air fan-coil system is a system form that is used widely, whose water system hydraulic optimization is an important mean of advancing design work quality and efficiency.
风机盘管加新风是空调系统中广泛采用的一种空调系统形式。其风机盘管水系统管网水力优化是提高空调系统设计质量和运行效率的重要手段。
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