介绍一种应用于电动机起动的新式控制方法。
This paper presents a new control method in motor started application.
介绍了用于感应电机起动的离散频率控制方法。
A discrete frequency control method is proposed for thyristorized static switch.
本文对于黄麻精纺机软起动的分析也适用于其它精纺机。
The analysis about the soft start of Jute spinning frame also applies to other spinning frames.
“上海牌”轿车热车时,不易起动的毛病是众所周知的。
The hot-start difficulties of "Shanghai" sedans are well known.
介绍晶闸管降压起动的基本原理、性能指标及其电路结构。
Fundamental principles, indices of performances and circuit structures of reduced voltage starting through thyristors are described in the paper.
介绍了异步电动机转子串电阻起动的一种新的计算和控制方法。
This paper presents a new calculus formula and control method for the starting resistance in the rotator of wound asynchronous motor.
模拟了在低附着系数路面下起动的动态过程,并对比了试验结果。
Finally, the dynamic process of vehicle starting up on low adhesion road is simulated and the results are analysed.
文中根据泥沙运动统计理论进一步阐述和验证了泥沙起动的统计规律。
According to the statistical theory of sediment transportation the statistical characteristics of incipient sediment motion is further described.
在此基础上约定了起动的数量标准,它们能概括起动的各种实际资料。
The quantitative criteria of incipient motion which are quite coincident with various observed data are presented.
通过该方程与水沙条件的分析,进一步验证了散粒体泥沙起动的流速公式。
Based on the analysis of the equation and condition, the starting current velocity formula about the pill sediment is further proved.
用于抽水蓄能机组起动的静止变频器,其整流逆变桥通常采用普通晶闸管。
The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge.
液体阻值通过添加备用原料来改变。适用于轻载,中载,重载起动的滑环电机。
The liquid resistance value can be altered by adding in standby raw material and is applicable for slip ring electrical motor of light load, medium load and heavy load starting up.
本文推导出了变频调速及软起动的频率最低限,发现了软起动的最佳起动频率。
This paper induces the lowest limit of frequency for variable-frequency adjustable speed and soft starting, gets the best starting frequency for soft starting.
本文根据同步电机的基本方程,详细推导了同步电机半同步起动的双机耦合模型。
A new mathematic model of synchronous machines for simulating the motor semi synchronous starting is derived in detail in this paper.
本文分析了汽油发动机的冷起动使用因素,介绍了改善汽油发动机低温起动的新装置。
This paper analyses the factors affecting cold starting of gasoline engine and introduces some new devices to improve the engine starting at low temperature.
介绍矿浆搅拌的工艺过程,论述了搅拌叶轮的结构、转速及再起动的过载与保护等问题。
The technological flowsheet of slurry agitation is introduced. The problems such as structure, rotation speed and overload protection of restarting of agitation impeller are discussed.
为使读者对于“比较”能有一个正确的把握,穿插地对软起动的相关知识作了一定的铺垫。
In order to make the readers to have a deep understanding about soft starting, an overall knowledge about soft starting is introduced.
波段指南是根据每支个股的股性、盘口、行业的不同配以不同的模型发出主力起动的信号。
Band guide is based on the shares of each stock, bets, with different sectors of the different models issued by the start of the main signal.
对已起动的破碎机,应先空转几分钟,空转时可以检查基座、防护板链等,如无异常,可开始给料。
Already starting to the crusher, should first idling for several minutes, can check base, idling protective plate chain, such as no abnormalities, can start feeding.
从微机主机遥控系统的结构及基本逻辑功能分析了某船微机主机遥控系统不能正常起动的故障原因。
Based on the analysis on the start fault on the basis of the structure and the function of main engine remote control system, it provides some useful methods to deal with the problems.
充分吸收了近年来国内国外变频调速方面的先进技术,特别适用于起重机高起动转矩和频繁起动的要求。
Absorbed the best of both domestic and abroad advanced techniques, the motors are especially suitable for high starting torque and frequent starting of crane.
笔者通过实地考察资料,对秦岭山地水石流的运动特性进行了研究,并对其起动的力学性能作了初步分析。
The movement characteristics of water-rock debris flow and its mechanics of movement starting in Qinling mountain have been analyzed through investigations on the spot.
文章从带式输送机软起动系统的内涵与特征入手,分析了软起动的特点及软起动对带式输送机的重要性等问题。
Following a description of the soft - start system and its characteristics, an analysis is made of the special features and importance of a soft - start system for a belt conveyor.
分析影响柴油机低温起动的因素,提出利用燃油加热器为柴油机低温预热起动的具体方案,并提供加热器功率的计算方法。
Main elements impacting diesel cold starting are analyzed, concrete plan for diesel cold preheating and starting is put forword, that is using fuel oil heater.
分析影响柴油机低温起动的因素,提出利用燃油加热器为柴油机低温预热起动的具体方案,并提供加热器功率的计算方法。
This article has described a high efficient and energy saving heating device-fuel oil hot air oven, which is used as the oven in baking line of painting production line.
据此仿真模型,进行了并励直流电动机的直接起动、降压起动、电枢回路串电阻起动的实例仿真实验,给出了有关仿真结果。
Then the model is applied to simulate the direct start-up process, the reduced voltage starting process and the starting process with series resistance in the armature circuit.
根据VSC起动过程的特点,设计了对VSC - HVDC系统模型起动的控制器,为避免起动过程的过电流采用了一定的限流措施。
According to the characteristics of VSC start-up process, the controller to start VSC-HVDC simulation model is designed. Some measures are used to avoid the over current in the simulation.
根据VSC起动过程的特点,设计了对VSC - HVDC系统模型起动的控制器,为避免起动过程的过电流采用了一定的限流措施。
According to the characteristics of VSC start-up process, the controller to start VSC-HVDC simulation model is designed. Some measures are used to avoid the over current in the simulation.
应用推荐