测量了各装置的输入输出功率，计算了能量转换装置的转换效率和传输过程中的能量损耗，提出了改进系统的有效途径。
Input and output power of instruments was measured, and efficiency of energy conversion instruments and energy loss was calculated, and effective methods were put forward to improve the system.
提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
无功功率优化是减少电网损耗的有效措施。
The reactive power optimization is an effective measure for reducing the network loss.
只有做到合理补偿无功功率，才能有效地维持和稳定系统电压水平，从而降低有功损耗，提高系统供电效率。
Compensating reactive power reasonably can keep system's stable voltage level effectively, so reduces the active loss, improves system's efficiency of power supply.
试验结果表明，软开关技术能够有效地改善功率器件的工作环境，明显地降低损耗。
The experimental results show that soft switch technology can effectively improve work environment of power converter and greatly decrease its power consumption.
软开关技术能够有效改善功率开关管的工作环境，降低开关损耗，提高变换器的效率。
Soft switching technique could improve the circumstance of the power switch, reduce the losses and increase the efficiency of the converter.
对液压传动中常用的液压泵供油系统的功率损耗进行了分析指出，采用功率匹配泵供油液压系统能更有效地实现节能。
This article analyzes the power consumption of the usual hydraulic systems and drew a conclusion that it can save energy more efficiently and use the power matching hydraulic systems.
高频开关电源功率变压器线圈优化设计技术能有效减小变压器损耗以及尺寸，提高开关电源功率密度。
The loss model can be easily used in optimal design for the windings excited by switch-mode current, especially for the litz wire windings.
高频开关电源功率变压器线圈优化设计技术能有效减小变压器损耗以及尺寸，提高开关电源功率密度。
Optimal design for the windings of high frequency power transformer in SNIPS can reduce greatly the windings loss to improve SNIPS power density.
过渡波导用于改善入射基模与出射偶对称模之间的场分布匹配，有效地提高了功率耦合效率，降低了分支耦合损耗。
The transitional guide is used to improve the mode field matching between both the waves supported by the incident and output waveguides.
同时整流变压器的附加谐波损耗得到了有效降低，功率因数得到提高，改善了系统的电能质量。
Consequently, the additional harmonic loss of rectifier transformer is reduced, the power factor is enhanced and the power quality is improved.
开关电源的高频化使得功率开关的损耗加大，采用软开关技术是减小该损耗的有效手段。
As the working frequency of the switches in SMPS (switch Mode Power Supply) increases, the switching loss increases, too. Soft switch technique can overcome this problem.
针对仿真结果找出损耗功率较大的部件，对其减小损耗功率的方法进行分析，介绍了几种行之有效的方法以减小系统的功率损耗。
The components with more loss are found according to the simulation results. The way to reduce their losses is analysis and introduced a number of effective methods to reduce the system power loss.
针对仿真结果找出损耗功率较大的部件，对其减小损耗功率的方法进行分析，介绍了几种行之有效的方法以减小系统的功率损耗。
The components with more loss are found according to the simulation results. The way to reduce their losses is analysis and introduced a number of effective methods to reduce the system power loss.
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