I think I just moved on to Phase Four!
我想我就要到达第四阶段了！
Chandler: Stop it! You're killing me! I think I just moved on to Phase Four!
别说了！你们杀掉我吧！我想我就要到达第四阶段了！
First of all, current detection method for three-phase four-wire system is researched.
首先，本文针对三相四线制的电流检测方法进行了研究。
The neutral voltage of the three-phase four-leg inverter employed in UPS is desired to be very low.
当三相四桥臂逆变器用于UPS时，要求其中线电压很低。
A new DSP based hybrid power filter designed under the condition of three-phase four-wire system is presented.
介绍了一种基于DSP的三相四线制系统混合型电力滤波装置。
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。
Moreover, three-phase four-wire active filters can suppress zero line current, and solve symmetric problem of system effectively.
另外，三相四线制有源电力滤波器能有效地抑制零线电流，并能有效地解决系统的不对称问题。
The experimental results indicate that this method can be used to detect the reactive power and harmonic current exactly in three-phase four-wire system.
通过试验验证，该检测方法能够很好的实现对三相四线制系统中的无功和谐波电流的检测。
Three-phase four-leg inverter is used in the inverter link to improve the adaptability of the system because loads in distributed generator are uncertain.
针对分布式发电系统负载的不确定性，为提高系统的适应性，文中在逆变环节采用四桥臂逆变器。
In this paper, two types of main power circuits and their control methods are introduced when constructing active power filter in three phase four wire system.
本文介绍了在实现三相四线制有源电力滤波器时所采用的两种不同的主电路结构及其控制方法。
This paper offers a better theory basis for improving compensation capability of the three-phase four-wire APF controlled by hysteresis current control strategy.
该文的理论推导和所得结论为改善三相四线并联apf应用电流滞环控制时的性能提供了较好的理论基础。
A discrete and nonlinear mathematical model of three-phase four-leg inverter is built up with the switch state functions based on the analysis of its working modes.
在分析三相四桥臂逆变器工作模态的基础上，引入开关状态函数建立了四桥臂逆变器系统离散的、非线性的数学模型。
Experimental results prove the proposed control method can compensate the harmonic, negative sequence and zero sequence current components in the three phase four wire.
实验结果表明，该装置可对三相四线制系统中的谐波、负序、零序等电流分量进行补偿。
This paper introduces an active power filter device used for three phase four wire. The compensation principle and structure of main circuit and control circuit are given.
主要介绍用于三相四线制的有源电力滤波装置的研究工作，给出了系统的基本补偿原理、主电路及控制电路结构，并利用该装置进行了补偿实验。
The power supply of wastewater treatment is connected from the nearest access. Production electricity and lighting equipment adopt 380/220 three-phase four-wire power supply.
污水处理站供电由就近的生产接入，生产设备用电及照明采用380/220三相四线制供电。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.
该文提出了一种采用内环空间矢量电流调节器和外环同步坐标比例积分控制器相级联的三相四桥臂逆变器的控制方案，实现了对三相四桥臂逆变器的解耦控制。
Firstly, the existing methods of the three phase power measurement in the teaching materials are introduced. And then another three connection methods are suggested for three phase four wire circuits.
首先介绍了现有教材中已给出的三相电路功率的测量方法，进而提出了三相四线制三相电路功率测量的另三种接线方法。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
模拟信号由直流和交流分量、频率和相位四部分组成。
Three or four months should be enough for the project definition phase.
三到四个月对于项目定义阶段应该足够了。
As shown in Table 1, system demonstrations started four to six weeks into the construction phase.
如表1所示，系统演示开始了四到六周时，我们就进入了构建阶段。
Four serious incidents during the initial phase were particularly memorable.
最初的阶段里有四个件事令我印象深刻。
The rewrite phase will use the referential and check constraints defined on the four nicknames to eliminate the join operations and one of the UNION branches.
重写阶段将使用四个昵称上定义的引用约束和检查约束来删除连接操作和一个UNION分支。
The second phase focuses on mastering four key technologies for assembling a space station.
第二阶段集中于控制四个关键技术来建立空间实验室。
Evolutions may overlap by as many as three phases, but not by four; you cannot begin a phase in an evolution before completing that same phase in the previous evolution 11.
演进可能最多重叠三个阶段，但不是四个，您不可能在完成前面演进的阶段之前开始一个演进的相同的阶段11。
There are four possible phase shifts, allowing two bits of data to be encoded per symbol.
因为相位偏移有四种可能，所以每一个符码可以对两比特位的数据进行编码。
In a phase 1 clinical trial in patients with various types of tumors, the team gave doses of the targeted nanoparticles four times over 21 days in a 30-minute intravenous infusion.
在对罹患不同类型肿瘤患者进行临床试验的第一阶段，研究小组在21天内用30分钟静脉输液的形式给患者施用了四次针对性纳米粒子剂量。
My work is sometimes divided into four phases, with the latest (phase-4) being dated with ses and six or seven subsequent books.
我的作品有时被分为四个时期，最近的一个时期(阶段4)以SES以及之后的六七本书为界分。
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.
去年冬天北极这种负向振荡从加拿大群岛北部地区运来多年老海冰(四，五年或更多年的老海冰)。
This past winter's negative phase of the Arctic Oscillation transported old ice (four, five, and more years old) from an area north of the Canadian Archipelago.
去年冬天北极这种负向振荡从加拿大群岛北部地区运来多年老海冰(四，五年或更多年的老海冰)。
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