片语

4 phase spreading sequence四相扩频序列

phase-sequence test相序试验

phase-sequence component相序分量

phase-sequence detector相序检测器

zero phase-sequence零相序

phase-sequence meter相序表

phase e sequence indicator相序指示器

phase transformation sequence相变序列

英汉例句

• high / low pressure switch protection, protection, hot melt season, high exhaust heat protector for a compressor, overcurrent relay, phase sequence protector.

  高/低压力开关保护、排气过高保护、热熔赛、压缩机热保护器，过流继电器、相序/缺相保护器等。

• the digital test technique is used to test the phase sequence and the phase-frequency conversion technique is used to test the line-break breakdown.

  介绍了一种新颖的相序检测及电机缺相保护方法，利用单片机实现数字相序检测，并且用相频变换的方法来实现电源缺相检测。

• l297 chip generates pulse phase sequence signals of which the pulse width is adjustable. the signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.

  l297芯片产生脉宽可调的脉沖相序信号，该信号作为双极性桥式功率驱动电路的输入信号，放大后驱动步进电机。

• but the phase sequence characteristics of interharmonics are different from those of harmonics, i. e. , interharmonics with the same frequency may have different phase sequence.

  但是间谐波的相序特性不同于谐波，同一频率的间谐波可以具有不同的相序。

• therefore, to minimize line imbalance, conductor transposition, as well as proper phase sequence and transposition orientation have to be used.

  因此必须利用导线换位，并且采用适当的相序排列方式以及换位方向来减小线路的不平衡度。

• the paper introduced hardware design, principle of phase sequence measurement and software realization of synchronous circuit of an intelligent soft starter taking intel 80c196mc as control chip.

  文章详细介绍了一种以intel80c196mc单片机为控制芯片的智能软启动器同步电路的硬件设计、相序检测原理以及软件实现。

• the question of phase sequence and polarity and earth are avoided by stronger hmi.

  加强保护的人机接口功能避免ta的相序、极性和接地新问题。

• this paper presents the techniques to detect and control the phase sequence for 3 phases ac power source, provides intact hardware circuit diagram and operation principle.

  介绍了一种三相交流电源相序指示与控制器，给出了控制器的控制方法及电路图，分析了电路的工作原理。

• featured with overheat alarm, phase sequence error and motor overload alarm;

  具有超温警报，电源相序错误，马达过载等保护功能；

• the principles and methods of signal phase and phase sequence design are also involved.

  然后研究了信号相位相序优化设计原则和方法；

• auto protection for phase shortage and phase sequence alteration , over-load protection and alarm function.

  具有电源进线缺相、相序改变后的自动保护及过载保护及报警提示功能；

• fuzzy control method in multi-phase intersections based on variable phase sequence was put forward, which can effectively improve the traffic capacity of intersection and reduce vehicle delay.

  提出一种基于可变相序的多相位交叉口模糊控制方法，合理选出优先权较大的相位作为放行相位。

• test results shown that the proposed algorithm can offer an optimum solution for oyod transformer's phase sequence adjustment.

  经测试结果显示，所提出的方法能对oyod变压器相序调整提出一个最佳的解决方法。

• when the power switch is turned on, the inlet and outlet circuit are connected, your tv and computer can work normally, but without phase sequence regulation.

  在开启本机电源开关后，输出回路与输入回路处于联通状态，电视机、电脑可照常工作，只是无相序调节功能。

• by using the algorithm, phase-controlled rectifier with phase sequence and phase self-adaption is designed, which is used in a motor drive device.

  最后根据该算法设计了相序相位自适应相控整流器，并用于电机调速装置中。

• this method can test phase sequence of phase switcher while rectifying the zero point of phase switcher. this method is simple and value in practice.

  该方法可以在对移相器零点校正同时进行移相器相序检验，方法简单，具有实用价值。

• after repair, make sure that the phase sequence is correct.

  修理之后，要确保相序正确。

• the unbalanced degrees of current in primary winding under different load conditions are discussed, which are based on the general expressions of negative phase sequence current.

  结合负序电流的通用表达式，讨论了在不同负荷条件下的原边电流不平衡度。

• on this basis, the influences to unbalance current of line tower type, wire parameters and phase sequence arrange are analyzed.

  在此基础上分析线路塔型、导线参数、相序排列等因素对不平衡电流的影响。

• this paper describes the operation principle of a simple phase sequence relay, its parameter calculating method, and the correlative relationship and optimization problem on element parameters.

  本文阐述了一种简单的相序保护器的工作原理及其参数计算原则，讨论了元件参数之间的相对关系和优化问题。

• according to the feature of distribution network structure, a practical short circuit calculation method based on fault current compensation and actual phase sequence presentation is put forward.

  根据配电网的结构特点，提出了一种基于故障补偿方法与实际相序表示方法相结合的配电网短路电流实用计算方法。

• the hardware circuit of detecting and rectifying phase sequence is designed and the software design method is given.

  设计了矿井电网综合保护中相序检测和相序调整的硬件电路，提出了相序检测在软件设计中的实现方法。

• please see that the phase sequence is correct when connecting the wires in the emergency generator room.

  在应急发电机室接线时，请注意相序一定要正确。

• result shows that brushless exciter has the property of self - excited, but not absolutely self - excited, and can change voltage wave of armature, but the phase sequence will not be change.

  谐波电枢反应使三相电枢电压波形发生畸变，但不会改变三相电源的相序；