起动电流

为解决水泵机组起动电流大和易出现水锤现象的问题，提出一种以PIC单片机为控制核心的电动机软起动控制器。

In order to solve the great starting current and occurrence of water hammer in pump unit , the soft starting controller of motor based on PIC microprocessor was proposed .

本文主要描述了大容量船用电动机及PTI电动机在3700t成品油船上的应用。介绍了如何考虑大容量电动机起动电流对电网压降的影响和PTI两种起动控制方式。

This article describes the application of large marine motor and PTI motor on 3700 DWT product tanker and indicates how to consider the starting current effect of large motor on the voltage drop of electric net , two PTI motor starting control methods are introduced .

根据一阶RL串联电路的电流零状态响应特性，分析研究了高温超导直线感应电机的起动电流特性。

According to the zero-state current response of the RL series circuit , the starting current characteristics of the HTS LIM are analyzed .

分析了4种使用类别下的使用情况，从实际负载起动电流去探求AC-4的额定工作电流。

Analysis was made to use conditions of4 kinds of categories , the rated working current of AC-4 should be found out from actual load start current .

上海别克轿车装用免维护型蓄电池，其主要技术参数：额定储备功率为115W，冷起动电流为600A，测试负载为300A，20℃以上时蓄电池的最低电压为9.6V。

BUICK passenger cars are equipped with non-service batteries . Its specification : rated reserve capacity 115 W , cold starting electric current 600 A , testing load 300 A , and over 20 ℃ lowest voltage 9.6 ⅴ .

控制变压器起动电流及熔断器选择的研究

Choice Study of controlling transformer starting current and selection of fuse

一种新型舰用低起动电流异步电动机

A New Type of Ship with Low Starting Current Asynchronous Motor

基于起动电流测量发动机相对压缩压力的装置研究

The Starter Current-Based Device for Measuring the Relative Compression Pressure of Engine

防爆电动机起动电流过大的分析

Fault Analysis on the Over - rated of Starting Current of Explosion-proof Motor

可在线查找三相最大的起动电流和最大运行电流。

It can measuer maxi phase starting current and maxi working current online .

研究表明：加入永磁磁力偶合器后，电机起动电流降低。

The research showed : add permanent magnet couplers , motor starting current reduction .

交流电动机起动电流浅析

Analysis on AC motor starting current

现场试验结果表明该装置能够限定电动机起动电流，达到设计目的。

The result of prototype shows the starter can limit the start current of motor as expected .

利用起动电流和起动转矩公式，在科学研究中我们可以获得满意的结果。

Practice has showed that the deduced formulas of the starting current and torgue facilitate our work satisfactorily .

最后分析了最小脉宽与起动电流、稳态电流以及转矩脉动之间的关系，对大容量变频调速系统的安全运行有十分重要的指导意义。

And the relationship among minimum pulse widths , starting performance , steady current and torque distortion are analyzed .

论消除负载变压器起动电流冲击的条件

A Discussion on the Conditions of Removing the Overcurrent Phenomenon During the Start of a Load & carrying Transformer

控制器通过监测电机定子电流的大小，将其起动电流控制在允许的范围内。

Through the detection of the stator current , the control can confine the starting current within the allowable range .

介绍了单相电动机离心开关断开转速的微机测试系统，该系统利用单板机控制，以电动机起动电流作为开关断开信号。

The paper introduced a microcomputer measuring system that takes measurement of the cen-triffugal switch breaking speed of single phase induction motor .

对计算结果的讨论表明了使用小波变换来鉴别地铁远方短路电流和列车起动电流是可靠的。

Simulation results show that the wavelet transform is suitable for the discrimination of the distant fault current from the train starting current .

电子软起动器通过改变晶闸管的触发角减小了电机的起动电流，同时也限制了起动转矩的大小。

Electronic soft starter can reduce starting current by regulating SCR trigger angle , it can restrain starting torque at the same time .

车灯的接线系统将需要改变，作为一个更高的起动电流所需的藏灯。

The wiring of the headlight system will need to be changed as a higher starting current is required for the HID lamps .

从仿真结果可以看出，无论在减小起动电流冲击、减小起动转矩冲击，还是在抑制电机电流、转矩振荡方面，采用限流软起动方式都表现出良好的性能。

The results of simulation suggest that current limit starting has good performance in starting current and torque limit and their oscillation restraint .

本文基于普通鼠笼式感应电动机的基本方程组和等值电路，导出了这种新型电动机的基本方程组和等值电路，并且根据它的等值电路，导出了起动电流和起动转矩公式。

In thiS paper , fundamental equations and equivalent circuit of the motor are derived based on those of the ordinary squirrel-cage induction motor .

模糊控制变频空调的优点在于高效节能，起动电流小，工作噪音低，温度控制精度高，能够创造更舒适的房间温控环境。

The advantage of fuzzy-control inverter air-condition lies on the high efficiency , high precision of temperature control , low startup current and low noise .

闭口槽槽漏抗大，可以有效地限制起动电流的大小，但转子采用闭口槽，永磁电机的漏磁系数大。

The slot leakage reactance of closed slot is big which can greatly reduce the starting current , but PMSM with closed slots has a very big leakage coefficient .

分析了三相异步电机直接转矩控制时起动电流过大的原因，提出一种电流滞环控制方案，充分利用异步电机直接转矩控制的特点-零电压矢量。

In this paper the cause of the great impulse start-up current of induction machine employing direct torque control is analyzed , then a scheme about current hysteresis band control is proposed .

它的使用可使航空机载电机、电器和机构的起动电流、工作电流和电流稳定性等指标均满足产品试验要求。该脂经长期封存后其外观、结构和使用性能均无明显变化。

The requirements of product examination in start current , operating current and current stability are meeted by the application of the grease to motor , electric apparatus and mechanisms in aircrafts .

具有功耗、起动电流、振动和体积小，结构简单，重量轻，便于携带和使用寿命长等特点。

The utility model ahs the advantages of low power consumption , small starting current , small vibration , small volume , simple structure , light weight , and convenience for carrying .

但是目前国内市场上的大多数变频空调仍采用感应电机，存在着起动电流大，功率因数不高等缺点，限制了变频空调性能的进一步提高。

But in domestic market , most of inverter air-conditions which apply the inductance motor prevent the performance to improve because of the disadvantages such as bigger start-up current and lower power factor .

分析了变压器和发变组差动保护中起动电流整定算法、多侧差动保护基本侧选取等问题。

Latter , it is analyzed how to calculate the least trip differential current settings of differential protection for transformer and generator-transformer unit and how to choose the basic side of multi-side differential protection .