适用于使用三相电源的各类小型机械。
Fit for various small machinery powered by three-phase power supply.
介绍一种实用的三相电源保护电路模块。
An useful protection module of three-phase power was introduced in this paper.
三相电源比单相电源可省电逾50%之多。
Three phase wiring saves 50% of power compared with one-phase.
对于PLC控制器，低电压控制电路和三相电源要有必要的了解。
Understanding of PLC controllers, low voltage control circuits and three-phase power necessary.
产生的电压产生的正弦或交流，可以配置为三相电源与国家电网使用。
The resulting voltage produced is sinusoidal or AC that can be configured to three-phase power usable with the national power grid.
每单位内安装一个220V单电配电箱，也可提供380V三相电源。
A 220V single-phase distribution board is provided in each individual unit. 380V 3-phase is also available.
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。
Three-phase motor relies on three-phase supply. It has a high efficiency and can get a high starting torque.
采用三相整流电压的6次谐波前馈（注入），以减小三相电源的5次谐波电流。
The 5th harmonic current of 3-phase AC power source can be reduced by the 6th harmonic feed forward of 3-phase rectifying voltage.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
论述了主要硬件电路的设计方案，其中包括晶闸管两端电压检测、三相电源同步信号检测等。
The main control system includes the synchronous signal generating circuit, the testing circuit of thyristor cut-off voltage and the trigger circuit of the thyristors etc.
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。
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.
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。
Designs of the three-phase power supply, gyro-controlling circuit, azimuth-sampling circuit, and the interface with other tools are described.
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。
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.
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。
DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.
通过对三相交流电压的测试试验，验证了该系统的可靠性，可为国产电源系统的设计定型提供依据。
The test on three phase alternating voltage has shown that this system has good reliable performances and can afford evidence for finalizing the design of power supply system made in our country.
因此，在三相感应电动机的型式试验中，首先必须测试电源电压的波形畸变率。
Therefore the wave form aberration rate must first be tested in the full scale test of tree? Phase induction motor.
三相双反星形整形电源，带遥控盒。
There-phase arc rectified power and possesses the remote controlled box.
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。
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.
它以SA 4828作为SPWM信号发生器，经过驱动电路控制IPM模块，产生三相变频电源。
The SA4828 used as SPWM signal generator controls the IPM via driver circuits to produce variable frequency power supply.
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。
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.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
注：每一块面板清晰显示三相五线制电源的母线、支线。
Remark: every wire of the three-phase five-wire system is clearly indicated on the front panel.
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。
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.
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。
When Power supply transformer and a continuous phase stator windings call for a phase, it may cause the three-phase induction motors running.
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。
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.
使用最新的三相交流异步电动机和锂电池技术，同时提供电源的近地天体是经济和绿色。
Using the latest 3-phase AC induction motor and lithium battery tech, the NEOS provides power while being economical and green.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
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