起动
- 与 起动 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In the process of calculation, the stator terminal voltage was taken as restriction condition, and the starting current is iterated to obtain the starting current and starting torque under the rated voltage.
在计算过程中,以定子端电压为约束条件,对定子起动电流进行了迭代计算,得到了额定电压下的起动电流和起动转矩。
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C. Sloped+limitting soft starting: the output voltage increase steadily according to starting time.
c。斜坡+限流软起动:输出电压以设定的起动时间平稳上升,电流保持恒定,直至起动完成。
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In the electric motor soft start question, uses the crystal thyratron intelligence module which controls by the singlechip to change the electric motor the initial firing current, the realization soft start; In the protection question, uses the singlechip to monitor the electric motor the movement, to lacks the breakdown implementation to separate the electrical machinery movement immediately, according to certain algorithm judgment electric motor whether crosses the class, like tallies has flowed the condition is the separation electrical machinery movement.
在电动机软起动问题上,采用由单片机控制的晶闸管智能模块改变电动机的起动电流,实现软起动;在保护问题上,采用单片机监视电动机的运行,对缺相故障实行立即断开电机运行,根据一定算法判断电动机是否过流,如符合过流条件即断开电机运行。
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Furthermore, to meet the self-starting and technique requirement, the design principle about fundamental dimension, stator winding type and matching number of poles with slots is presented. The motor parameters are calculated by FEM.
采用似稳态法研究起动转矩成分,依据分析结论,提出了一种简单可行的起动判据,并根据起动条件和工艺要求,提出了该类电机基本尺寸、定子绕组形式以及极槽配合的设计原则。
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This product is applicable to coal mine where has explosible dangerous gas and coal dust,It is used for controlling direct starting stop and reversion of three-phase squierrel cage type asynchronous motor whose rated current up to 400A in system of AC50Hz rated voltage 1140V or 660V, Meanwhile it protects the electromotor and relative circuit, The starter can be combined with firedamp sensor and used to test the consistency of mining working area,the starter will trip when it exceed the limit ;adopt intrinsic safety type circuit for the control circuit; possess the function of local control and remote control by single set and multi sets procedure control; display working voltage current and gas consistency can remember fault parameter
该产品适用于具有爆炸性危险气体和煤尘的矿井中,在交流50Hz,额定电压为1140V或660V ,控制额定电流只400A的三相鼠笼式异步电动机的直接起动,停止及反转,同时对电动机及有关电路进行保护,起动器可与甲烷传感器相连接用于检测才掘工作面的甲烷浓度,当其超限时起动器跳闸;控制电路采用本安型电路;具备单台就地控制与远方控制及多台程序控制功能,能显示工作电压、电流、瓦斯浓度,并能记忆故障参数。
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In this paper, arrangement scheme of a novel multi-star phase shifted pole changing coil was given and the methods to determine coil split ratio were analyzed. According to electromagnetic theory, 2D electromagnetic mathematical model in which stator windings were spitted coil was developed, and magnetic field distribution of the novel motor at starting was solved by finite element method, starting performance of motor was calculated. Based on energy method, rotor slot leakage reactance under different poles and different loads were calculated, and the variation of rotor slot leakage reactance with loads was gotten. Based on time-step finite element method, distribution of branch current in stator windings and operating performance were calculated and analyzed when branch was unbalance, the method to calculate circulating loss in stator windings of novel multi-star phase shifted pole changing motor was given, and the effects of the loads variation and degree of unequilibrium on circulating loss in stator windings were calculated and analyzed.
论文系统的给出了采用分裂线圈法新型多星形移相变极绕组的排列方案,进一步分析线圈分裂比的确定方法;根据电磁场理论,建立了定子为分裂线圈绕组的电机二维电磁场数学模型,并采用场路耦合法求解了新型多星形移相变极电机起动时的磁场分布,计算了电机起动性能和基于能量法计算了不同极数下起动时转子槽漏抗和不同负载时转子槽漏抗,得出转子槽漏抗随负载变化的规律;采用时步有限元法计算分析了定子绕组支路不平衡时支路电流的分布情况及运行性能,给出了新型多星形移相变极电机定子绕组环流损耗的计算方法,分析比较了负载的变化和支路不平衡度大小对定子绕组环流损耗的影响。
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In order to solve the problem of engine starting characteristics calculation under windmilling condition, a generalized format of engine starting nonlinear mathematical model based on liner-in-parameters model was given.
针对高空风车条件下航空发动机起动性能估算问题,给出了用线参数模型描述发动机风车起动非线性过程的一般形式,利用约简遗传规划算法进行模型结构选择的思路,建立了基于约简遗传规划的航空发动机起动性能计算模型。
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The starter also be designed 6-3 binding post according to power. after finishing the installation, pls connect the line to corresponding location of binding post.
起动器装配完成后,将转子的出线接在起动器接线柱对应位置(对于有六根出线的电动机,应将同一相的两根导线,对称地接在起动器的两个接线柱上)即可,具体接线如下图所示。
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It presents the hybrid starting model of synchronous motor with paralleled capacitor and simulating results including stator current, stator voltage, speed, torque, field current.
该文建立了同步电动机在端部并联电容起动的混合数学模型,利用此模型对泵站同步电动机电容补偿起动过程的电流、端电压、转速、转矩、励磁电流等进行了仿真,并与无电容补偿的起动过程等进行比较。
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Firstly, SRM inductance function Land flux linkage function ψ are derived from ANSYS which is used for electromagnetic field analysis. Secondly, the non-linear inductance model and non-linear flux model of switched reluctance starter/generator are finished by MATLAB. Based on the latter, the start characteristic of SRM is studied comprehensively. Finally, on the basis of academic research, we completed the starter/generator stand of test and experimented on a sample motor and then experiment waveforms are obtained which verified the simulation model.
首先利用 ANSYS 软件仿真计算出开关磁阻电机的电感和磁链函数,并以此为基础利用 MATLAB/SIMULINK 建立了开关磁阻起动/发电系统的非线性电感模型和非线性磁链模型,并通过非线性磁链模型对开关磁阻电机的起动特性和发电特性进行了深入分析与研究;最后在理论分析的基础上,通过开关磁阻起动/发电系统试验平台对原理样机进行实验,给出了系统实验波形,并验证了该模型的正确性。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。