You can divide the detailed design, implementation and test phase into three iterations, each one aiming at implementing three of the nine subsystems.
你可以划分详细设计、实现和测试阶段到三个迭代中，每个迭代瞄准实现九个子系统中的三个。
This paper introduces a scheme in which a complex programmable logic device (CPLD) is used in the three phase three pole switch high rating factor convertor to realize logic control.
介绍了在三相三开关高功率因数变换器中应用复杂可编程逻辑器件(CPLD)实现逻辑控制部分的方案。
Install three-phase generator removing and installing three-phase generator.
安装三相发电机拆卸和安装三相发电机。
Through the whole cycle numerical simulation to three phases current in the opening course, the magnetic field influences at different phase angles of three phases current are clearly obtained.
通过对真空断路器在分断过程中三相电流在整个变量周期内的数值模拟，得到了三相电流在不同相位角时对相间磁场的影响。
As one of the connections for three phase induction motor to operate from single phase supply, SEMIHEX connection can enable three phase induction motor have approximated symmetrical operation.
作为三相感应电动机单相运行的一种特殊接法，SEMIHEX连接可使三相感应电动机在单相电源上接近对称运行。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in middle and low voltage distribution system, whi ch brings a series of problems on power grid.
在中低压配电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
Three unbalanced phase loads varies randomly to lead to three phases unbalance in low voltage distribution system, which brings a series of problems on power grid.
在电网中，三相负荷随机变化，产生三相不平衡，从而给电网带来了一系列的问题。
In order to make more effective control of universal power quality controllers (UPQC), an outer loop model for the voltage loop in a three-phase three-wire UPQC is proposed in the paper.
为了对通用电能质量控制器直流侧电压进行更为有效的控制，提出一种用于三相三线通用电能质量控制器(UPQC)直流侧电压控制的外环模型。
A cascade speed control system mainly consists of a wound asynchronous motor, a three-phase rectifier and a three-phase thyristor (?) inverter.
串级调速系统的主要组成部分是线绕式异步电动机，三相桥式整流器和三相可控硅逆变器。
A novel three-phase VSG is built by three-phase autotransformer and IGBT based bidirectional switch, can easily control the types of voltage sags, sag duration, sag depth and sag phase.
基于三相自耦变压器和由可控器件IGBT构成的双向开关实现的新型三相vsg，可以方便地控制跌落类型、跌落持续时间、跌落深度和跌落相位。
This paper introduces error_wiring common situation of three phase and three line active electric energy meter, and introduces the methods of test, analysis and amendment.
介绍三相三线有功电能表错误接线常见情况，介绍检查、分析及更正方法。
In the second chapter, three-phase models for distribution system elements are established, which is the basis of three-phase power flow.
第二章建立了配电网络各种元件的三相数学模型，这是三相潮流计算的基础。
A kind of three-phase models of three-winding transformers were presented which overcame some drawbacks in the existent models such as the large error or high dimension and singularity.
本文提出了三绕组变压器的一种新的三相模型，这种模型避免了现有模型存在的误差大或维数高以及奇异性问题。
Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.
在分析双绕组变压器的差动保护算法的基础上，提出了适用于三相三绕组变压器的比率制动式算法，并对判据进行了简化。
Especially three-phase four-wire active power filter hardware has simple structure with only three group switch device.
特别是三相四线制有源电力滤波器硬件结构简单，只有三组开关器件。
The three-phase asymmetry loads cause the three-phase imbalance.
三相不对称负荷造成三相不平衡。
The three phase slurry bed technology for the liquid phase methanol synthesis is a new productive technology which converts synthesis-gas into methanol by taking three phase slurry reactor.
液相法三相淤浆床甲醇合成技术是一种使用三相淤浆床反应器将合成气转化为甲醇的生产新技术。
The three phase immiscibility of Fanshan magma resulted in the formation of three phosphorus ore zones.
矾山岩浆的三相不混溶作用导致了矾山三个矿带的形成。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
三相同步发电机作为三相工业频率的交流电源，研究其有功功率调节具有重要意义。
The numerical simulation software for horizontal Wells is developed based on three-dimensional three-phase black oil model.
运用该方法在三维三相黑油模型基础上编制了水平井数值模拟软件。
The drive is either a three-phase or a three-phase servo motor.
传动机构可以是三相或三相伺服马达。
YD series varible pole multi-speed three-phase asynchronous motors are one of the main series products deriving from three-phase series.
YD系列变极多速三相异步电动机是三相异步电动机的主要派生系列之一。
Three-phase motor relies on three-phase supply. It has a high efficiency and can get a high starting torque.
三相电动机以三相电源驱动感应电动机，其效率很高，启动力矩也比较大。
As for the three-phase three-level voltage source converter, a simple SVPWM algorithm based on the sector mapping for controlling three-level converter is proposed.
针对电压型三相三电平变流器，提出了一种基于扇区映射、适用于三电平变流器控制、形式简洁的SVPWM算法。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
将二极管箝位式三电平逆变器应用于三相并联有源滤波器以降低开关管应力。
Four kinds of test methods for determining stray-load loss of three-phase cage asynchronous motors were introduced, including three kinds of procedures by measuring and by assuming.
介绍了三相笼型异步电动机负载杂散损耗的四种测试方法，包括三种实测法和推荐值法。
Four kinds of test methods for determining stray-load loss of three-phase cage asynchronous motors were introduced, including three kinds of procedures by measuring and by assuming.
介绍了三相笼型异步电动机负载杂散损耗的四种测试方法，包括三种实测法和推荐值法。
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