Research on Accurate Measuring Method for Transformer No-load Field Test 现场变压器空载试验的精确测试方法研究
Developed the device manufacturers, installation, debugging, and then for no-load test and actual field test. 所研制的装置经制造、安装、调试,然后进行空载试车和实际现场应用试验。
No-load Test: No-load characteristic curve analyze all kinds of loss; 空载试验,空载特性曲线,分析各种损耗。
DPF failure diagnosis is carried out by on-board smoke hanging test, to verify the feasibility of this diagnosis strategy, no-load, medium load and full-load test are respectively carried out. DPF失效诊断是通过车载挂烟试验进行的,为了验证本诊断策略的可行性,试验分别进行了空载、中等载荷和满载试验。
Stand test methods of diesel locomotive-Locomotives no-load performance test GB/T12821-1991内燃机车台架试验方法机车空载性能试验
Temperature data in transformer core during heating up under no-load test are analysed, and mathematical model for temperature rise curves at some test points established, thermal time constant in its expression assumed as a linear function of time. 分析了变压器空载试验时铁心温升过程的温度数据,得出试验点温升曲线的数学模型,其表达式中热时间常数为时间的一次函数,而试验点的极限温升可直接求出。
Testing Method with Microcomputer for No-load Test of Transformer 变压器空载试验微机化测试方法
Data Acquisition and Process System of Virtual Instrument on Asynchronous Motor's No-load Test 异步电机空载试验的虚拟仪器采集处理系统
This paper deals with an optimization data processing method of induction motor in no-load test by the use of curve simulator equation, the software flow twain are also introduced and the system characteristics. 本文阐述了运用曲线拟合方程优化感应电动机空载试验数据处理的方法,介绍了该系统的软件流程及其特点。
Taking the error occurring in no-load test of three phase AC traction motor in our company as example, analyzing with symmetrical components method, the main cause of error-three phase non-symmetry and corresponding solutions were given in this paper. 根据本公司轨道交通用三相异步电动机在空载试验时所出现的误差,用对称分量法进行分析,找出电源的三相不对称是三相异步电动机空载试验时产生误差的主要原因,并给出了相应对策。
In this paper, a three-phase decanter centrifuge is designed according to the characteristics of drilling oily sludge and the requirements of truck-mounted plants, and tested by no-load test and on-site test. 本课题根据钻井废水含油污泥的特点和车载式成套装置工艺要求设计三相螺旋离心机,并进行工业试验。
The paper provides a simulated mathematics model of the ground to air missile's pneumatic actuator in that some major nonlinear factors were considered, presents three methods, no-load check, simulation test and flight test, to check this model. 本文给出了某种地一空导弹气压舵机的仿真数学模型,此模型计入了一些重要的非线性因素;介绍了空载校准,仿真试验和导弹飞行验证的综合校准此模型的方法。
Using WST-PLC programmable microcomputer-governor to replace WST-S microcomputer-governor is proposed. The working principle and features of WST-PLC programmable microcomputer-governor are described, and its ability to meet the safe operation demand of hydroelectric sets is validated through static performance test, no-load disturbance test and load rejection test. 介绍了WST-PLC型可编程微机调速器的工作原理和特点,并通过静特性试验、空载扰动试验和甩负荷试验来验证WST-PLC型可编程微机调速器能满足水轮发电机组安全发电的要求。
The system is used to test the motor including resistance test, temperature rise test, locked-rotor test, no-load test, load test and M-S curve test. 用于完成电动机的各种型式试验,包括电阻试验、温升试验、堵转试验、空载试验、负载试验和M&S试验。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult. 变压器的空载试验中,由于功率因数低,空载电流不是正弦信号,高精度测量其有功功率具有一定的难度。
Long Time No-Load Test and Oil-Flow Electrostatic Measurement for Transformer 变压器油流静电测量及长时间空载试验
Based on analysis of power source in no-load test of large power transformer, the cause for larger power source capacity in tests are given. The compensation method with parallel capaci-tance to solved the power source problem in no-load tests is presented. 通过对电力变压器空载试验电源的分析,指出了造成试验要求电源容量较大的原因,提出了解决空载试验中电源容量问题的并联电容补偿方法。
Diagnose Winding Defect of Large Transformer by No-Load Test 用空载试验发现大型变压器绕组质量缺陷
The close-loop test for generator excitation system is done by using RTDS simulation system, including regulator parameters setting, no-load step response test and load PSS test, power system fault simulation. 利用实时数字仿真RTDS进行发电机励磁系统闭环试验,完成了调节参数整定、发电机空载阶跃响应和发电机负载PSS参数整定、系统故障模拟等试验。
Through analysis of high-speed electric spindle run-time no-load test curve, it comes to test electric spindle the stability time and vibration performance. 通过对高速电主轴空载运行时测试曲线的分析,得出了测试电主轴的稳定时间和振动性能。
Among them, no-load test and stall test are the most important. 其中最为重要的当属空载试验和堵转试验。
According to the no-load test results and the locked rotor test results, the equivalent circuit parameters of the prototype motor with copper windings are obtained. 根据空载试验结果和堵转试验结果,得到了铜绕组试制样机的等效电路参数。
The debugging of control circuit includes hardware and software debugging. The debugging of main circuit is consisted of no-load debugging and load test. 控制电路的调试包括硬件和软件两方面,主电路的调试包括空载调试和负载调试。
And use this controller to the no-load transformer test, the test results proved the practicability of the proposed controller. 并运用此控制器对变压器进行了空载的试验,试验结果证实了该控制器的实用性。
By analyzing the data detected by transfer case no-load real-time test status, to assess its performance in order to ensure the quality of transfer case. 通过分析分动箱空载实验所检测得到的实时状态数据,对其性能予以评估,从而保证分动箱的质量。