Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.
在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
Compared to the ac Transmission and local power generation, HVDC light system is not only cost advantages, it also exchanges to enhance ac power quality for a new approach.
比起交流输电和本地发电，轻型高压直流输电系统不仅具有成本优势，它也对提高交流电网电能质量提供了新的途径。
AC Milan of Italy is a well-known football club, with the order and another in Milan soccer club Inter Milan difference, known as AC Milan, or referred to as Milan.
AC米兰是一家意大利的著名足球俱乐部，为了和同在米兰的另一家足球俱乐部国际米兰区别，一般称为AC米兰，或简称米兰。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
该电源输入单一交流电压和频率，内部经过交流对直流；直流对交流的变流整流转换后，自行产生-非常稳定纯净的正弦波。
This method is based on the preliminary model, using simulated AC curve instead of AC curve to do the inversion, and it can get very high resolution of inversion result.
该反演方法是基于初始模型的反演方法，利用拟声波曲线代替声波曲线来建立初始模型，并进行波阻抗反演，可以大大提高反演结果对储层反映的精确度。
By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.
为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。
AC motor - with AC current to the motor rotation is called AC motors.
交流电动机——用交流电流来转动的电动机叫交流电动机。
A direct harmonic analysis approach for AC-DC-AC conversion system was presented to simplify the complicated harmonic calculation process.
为了简化ac - DC - AC变换器复杂的谐波计算过程，采用直接谐波计算对变换器进行了谐波分析。
By digital simulation, the Ac carried wave system and its equivalent Dc system are checked and the feasibility of Dc method equivalent to the Ac carrier wave system is verified.
通过数字仿真，比较了交流载波系统和其等效直流系统，验证了交流载波系统等效直流方法的可行性。
The thesis introduces a three phase AC motor's mathematical model in static reference frame and a simulation system for AC motors to develop a vector control inverter system.
针对三相异步电机矢量控制系统的要求，根据在静止坐标系统中异步电机的数学模型，进行了系统仿真。
A new strategy of tank gun control system to apply to control AC motor was introduction and improved-designing of AC motor based on basic method of Direct Torque control was proposed.
介绍了坦克炮控系统中对交流电机的一种新型控制策略，并在基本型直接转矩控制方法上进行了改进设计。
Using an ac synchronous main generator as the start motor of diesel engine to realize the start of diesel engine is a practical ac start scheme.
用交流同步主发电机作为柴油机的起动电动机实现柴油机起动是一种切实可行的交流起动方案。
To satisfy high requirements for position follow accurateness and location precision of ac servo system at present. This paper researches and develops ac servo position control system based on DSP.
为了满足当前交流伺服位置跟随精度和定位精度高的要求，本文研究并开发了基于DSP的交流伺服位置控制系统。
According to the regulation method used in AC sampling for telecontrol equipment, this paper introduces the fast setting method using software to regulate for AC sampling parameters.
针对目前电力系统远动装置交流采样通常使用的调节方法，提出采用软件调节的方法对交流采样参数进行快速整定。
The problem of positioning ac motor is very complex. In order to position ac motor exactly, a simple and cheap control method is presented by me ans of PLC.
交流异步电机的定位控制始终是一个未彻底解决的难题，为此介绍了一种用PLC软件控制电机制动达到准确定位的方法。
Ac resistance of cable conductor is an important factor to calculate the ampacity of cable bundles, and proximity effect factor is an important parameter to affect ac resistance.
在计算电缆群载流量时，交流电阻是一个重要的参数，其中邻近效应是计算交流电阻的一部分。
Based on the Back-to-Back Project for the Northwest and Central China Connection, This report studies the harmonics and ac filter at ac side in the HVDC converter station.
本论文以西北—华中联网背靠背直流换流站工程为基础，进行换流站交流侧谐波和交流滤波器的研究。
In order to solve the requirement of high precision equal phase in three-phase AC power supply, one AC power supply is designed based the traditional DDS technology.
针对某设备所需的三相电源相位精度要求高的特点，在传统DDS技术的基础之上，设计了一款高度对称的三相电源。
The resonant tank coupled to the switching circuit receives the first AC signal and generating a second AC signal for powering a load.
谐振回路耦合至开关电路，接收第一交流信号并产生第二交流信号以给负载供电。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.
高效发电机。一种发电机系统包括三相ac电机和应用低导通电阻MOSFET开关的有源整流器电桥，用于将来自电机的AC电流转换为DC电流。
The large power AC-AC frequency-changers are used in the aircraft power source and AC speed-regulation systems to convert frequency and voltage directly.
大功率直接变频电路的基本功能是实现频率和电压的直接变换，被应用于航空电源和调速电源中。
A new way to generate stable ac current is found with feed back control system by single chip microcomputer. So a new high power ac current regulator is developed.
再用单片机组成反馈控制系统，从而找到了交流稳流的新方法，研制出一个大功率交流稳流电源。
Eventually, through a smooth transition, he would like to see the ac power grid replaced by this more natural form of energy that is in harmony with life, not antithetical to it, as ac energy is.
最后，通过平稳过渡，他想看到交流电网通过这种更自然的形式所取代能源与生活和谐，而不是对立的是，作为空调能源是。
In the alteration of the rewinder's controlling system, DC driving is replaced by ac driving, and frequency governors are used to control the ac motors.
在对复卷机控制系统的改造中，我们用交流传动代替直流传动，用变频器对交流电机进行调速控制。
Power connectors, Power cables, Sockets, Fuses, Fuseholders, AC-to-AC converters, RFI filters.
电力连接器，电力电缆，插座，熔丝，保险丝支架，交流-交流变流器，RF I滤波器。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
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