Fit for various small machinery powered by three-phase power supply.
适用于使用三相电源的各类小型机械。
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
Designs of the three-phase power supply, gyro-controlling circuit, azimuth-sampling circuit, and the interface with other tools are described.
文章介绍了井下陀螺三相电源、框架陀螺控制电路、方位采集电路的设计和通用短接接口的设计。
The Balance Transformer Accroding to Impedance Matching which has been widely used in electric railway is a kind of three-phase to two-phase power supply equipment.
阻抗匹配平衡变压器，是一种三相变两相的供电设备，已广泛用于我国电气化铁道。
Three-phase power supply phase sequence access must follow the relationship shown, phase sequence dislocation will guide the limit switch not properly limit the serious consequences.
三相电源的接入必须按照图示的相序关系，相序错位将导之限位开关不能正确限位的严重后果。
The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.
系统的分析了频率跟踪移相PWM控制全桥供电的串联谐振负载式DBD型臭氧发生器电源系统的工作过程。
On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
Primary electrical power is provided by two engine driven generators which supply three-phase, 115 volt 400 cycle alternating current.
主电力是由两个发动机驱动发电机供应三相，115伏400周期交流电。
Traditional phase-controlled rectifying power supply is being replaced by the switching one, which is characterized by high precision, low voltage ripple and high efficiency.
电力系统中传统的相控整流型电源正在逐步被具有高精度、低纹波、高效率等特性的开关电源取代。
As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.
作为另一个示例，选择信号的逻辑状态可响应于提供给脉冲频率检测器的电源电压的变化而改变。
High frequency ultrasonic power supply controlled by AT89C51, can adjust its power, frequency and phase in high performance.
以单片机at89c 51控制的高频超声电源，其功率、频率及相位可进行有效的调节。
The generator turns wrong direction due to wrong phase of the power supply.
由于电源相位反了，发电机转向错误。
The transformer may be applicable to either four- phase transmission system or AT power supply system in electric railways.
三相变四相电力变压器是一种新型平衡变压器，由此可以实现四相输电方式，也可以用于电气化铁道的AT供电方式。
A type of variable subdivision high performance driving power supply for stepmotor has been presented in the paper which is used to drive three-phase reaction stepmotor.
提出了一种可变细分的高性能步进电动机驱动电源，该电源用于驱动三相反应式步进电动机。
The results show that the frequency and phase position of frequency converter output power are out of phase with that of supply power, which is the main reason leading to metering system breakdown.
分析结果认为：变频器输出电源的频率和相位与供电电源频率和相位不同步是造成计量系统产生故障的主要原因。
A type of variable subdivision high performance driving power supply for stepper motor has been presented in the paper which is used to drive three-phase reaction stepper motor.
提出了一种可变细分的高性能步进电机驱动电源，该电源用于驱动三相反应式步进电机。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
直流电源柜：三相可控硅整流桥（SCR）、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。
In this article take two-phase pure sine power supply for example, introducing the construction, principle, characteristics and experiment result of a kind of two roads ac power supply.
文章以两相的纯净正弦电源为例，介绍一种两路交流电源的结构、原理、特点和实验结果。
A parallel operation control method based on a modulated phase tracking method was designed for high reliability requirement of uninterrupted power supply used in gun command system.
针对火炮指挥系统供电电源高可靠性要求，设计了一种采用相位调制跟踪法的全数字式电源并联系统。
The system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.
整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。
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。
Based on the need to develop and test the products, a single phase DSPbasedprogrammable AC power supply is designed.
基于产品研发和测试的需要，本课题设计了一种单相可编程交流电源。
The analysis indicates that large turbine-generator leading phase operation can improve the reactive power load distribution and the quality of power supply effectively.
试验分析表明，大机组发电机进相运行可有效改善电网无功潮流分布，提高电网供电质量。
Describes in details influences caused due to the change of frequency and the phase of power supply on medical equipment and opens the thinking of troubleshooting.
本文详细陈述了电源的频率及相序的改变对医疗设备的影响，开拓了一些故障的维修思路。
This paper introduces an optimization design method for the compensation network of phase-shift full-bridge switching power supply.
介绍了一种全桥移相式开关电源补偿网络的最优设计方法。
This paper mainly discusses the design and the application of the IGBT phase lock control circuit controlled by the induction heating power supply.
本文主要介绍IGBT锁相控制电路在感应加热电源控制系统中的设计和应用。
When Power supply transformer and a continuous phase stator windings call for a phase, it may cause the three-phase induction motors running.
当供电电源一相断开以及定子绕组一相断开时，均将导致三相感应电动机的缺相运行。
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。
A novel distributed control scheme is proposed for the parallel operation of single phase digital controlled UPS (uninterrupted power supply).
提出了一种新型分布式控制方法来实现单相数字模块化ups(不停电电源)的并联运行。
Then the article designs and researches inverter circuit, driver circuit, working power supply, voltage regulator feedback circuit protection circuit of three-phase inverter power.
对三相逆变电源的逆变电路、驱动电路、工作电源、保护电路和稳压反馈电路进行了设计研究；
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