Description: 电机温升测试系统,适用于工作频率为50/60Hz的单/三相小功率异步电机（≤5KW）、串级电机、电动工具的绕组温升测量。适用于工作频率为50/60Hz的电源变压器、充电器、电感镇流器的绕组温升测量。带电原理：在带电工作情况下测量绕组的直流电阻，并用公式折算成温升。专为电动工具定子，转子温升测量而开发，其中定子采用带电法，转子采用断电法-motor temperature test system is applicable to the frequency of 50/60Hz single / three-phase asynchronous motors power the small ( 5KW), Cascade motor, electric tools winding temperature measurement. Applicable to the frequency of 50/60 Hz power transformers, chargers, the inductance ballasts winding temperature measurement. Charged Principle : Live in work measurement of the winding resistance DC, and the formulas used converted into temperature. Electric tools for the stator and rotor temperature measurement and development, which use charged stator, rotor features a power law Platform: |
Size: 196894 |
Author:dm |
Hits:
Description: 电机温升测试系统,适用于工作频率为50/60Hz的单/三相小功率异步电机（≤5KW）、串级电机、电动工具的绕组温升测量。适用于工作频率为50/60Hz的电源变压器、充电器、电感镇流器的绕组温升测量。带电原理：在带电工作情况下测量绕组的直流电阻，并用公式折算成温升。专为电动工具定子，转子温升测量而开发，其中定子采用带电法，转子采用断电法-motor temperature test system is applicable to the frequency of 50/60Hz single/three-phase asynchronous motors power the small ( 5KW), Cascade motor, electric tools winding temperature measurement. Applicable to the frequency of 50/60 Hz power transformers, chargers, the inductance ballasts winding temperature measurement. Charged Principle : Live in work measurement of the winding resistance DC, and the formulas used converted into temperature. Electric tools for the stator and rotor temperature measurement and development, which use charged stator, rotor features a power law Platform: |
Size: 196608 |
Author:dm |
Hits:
Description: 该书帮助您设计自己的高频变压器,给你理论指导,会对您设计开关电源有所帮助-The book helps you design your own high-frequency transformers, theoretical guidance to you, would you be helpful to the design of switching power supply Platform: |
Size: 1494016 |
Author:郭广岩 |
Hits:
Description: 设计开关电源时经常用到隔离变压器，这份文档可以告诉你如何设计隔离变压器-The design of switching power supplies often use isolation transformers, the document can tell you how to design the isolation transformer Platform: |
Size: 592896 |
Author:李锦龙 |
Hits:
Description: 电脑经常放置在有较强的磁场环境下就有可能造成硬盘上数据的损失 甚至这种强磁
场还会使电脑出现一些莫名其妙的现象如 显 示器可能会产生花斑抖动等这种电磁干
扰主要有 音响设备 电机 大功能电器 电源 静电以及较大功率的变压器如 UPS 甚至-Computers are often placed in a strong magnetic field environment is likely to result in the loss of data on your hard disk or even such a strong magnetic field will make a number of computer display inexplicable phenomena such as jitter may be piebald electromagnetic interference, such as this there are sound major function of the electrical equipment, static electricity and electrical power transformers such as greater power and even UPS Platform: |
Size: 1181696 |
Author:付采 |
Hits:
Description: The analysis of unsymmetrical faults is similar to that of symmetrical faults, except that in the case of unsymmetrical faults, the three-phase power system is represented by its sequence networks i.e zero, positive and negative sequence. Also, the effects of Δ-Y transformers phase shift are considered in analyzing unsymmetrical faults. Platform: |
Size: 1024 |
Author:olutopsy |
Hits:
Description: 电力变压器国标 可应用于变压器检测试验中，对了解变压器有很大的帮助-GB can be used in power transformers transformer test trials, there is a great help to understand transformer Platform: |
Size: 3487744 |
Author:zhangyong |
Hits:
Description: simulink系统仿真：10kV 母线短路容量为10MVA，通过额定电压10/0.4kV，额定容量为100kVA，短路阻抗为5％的变压器与负荷相连， 阻感负荷RL 容量为50kVA，功率因数0.9。电力电子装置产生的5 次和7 次谐波电流均为5A；为了抑制7 次谐波在400V 母线处接入电容与变压器构成7 次滤波器。-simulink System Simulation: 10kV busbar short-circuit capacity of 10MVA, through the rated voltage 10/0.4kV, the rated capacity of 100kVA, short-circuit impedance of 5 of the transformer and load connected to sense the load resistance RL capacity 50kVA, power factor of 0.9. Generated by power electronic devices 5 and 7 harmonic currents are 5A to suppress harmonics in the 400V bus 7 access to capacitors and transformers constitute at 7 filter. Platform: |
Size: 10240 |
Author:othanda |
Hits:
Description: This Project distinguish between inrush currents and internal faults in the protection of power
transformers with Emtp Program And Matlab Code.
Simple Methot is used in Project. Platform: |
Size: 223232 |
Author:abbas |
Hits:
Description: 电力变压器、电源装置和类似产品的安全，第一部分：通用要求和试验。IEC61558-1：1998，MOD。-Power transformers, power supply units and similar products, security, Part I: General requirements and tests. IEC61558-1: 1998, MOD. Platform: |
Size: 3487744 |
Author:wuwei |
Hits:
Description: BP神经网络在电力变压器故障诊断中的应用，通过该算法可以有效地诊断出电力变压器的故障。-BP neural network applications in the power transformer fault diagnosis, the algorithm can effectively diagnose the fault of power transformers. Platform: |
Size: 1024 |
Author:姜鸿羽 |
Hits:
Description: Marquardt法借鉴了目前有关设备故障率的一些理论研究方法,提出了基于Marquardt法参数估计的变电设备寿命周期故障率评估的方法。该方法以电力变压器为例,通过建立电力变压器的故障树模型-Marquardt method draws on equipment failure rate is currently about some theoretical approaches, Marquardt method is proposed based parameter estimation failure rate of substation equipment life cycle assessment methodology. In this method, power transformers, for example, through the establishment of a power transformer fault tree model Platform: |
Size: 1024 |
Author:赵雪伟 |
Hits:
Search - POWER TRANSFORMERS