lower power supply的意思|示意

Abstract: : the lower line loss is the power supply enterprise to one of the main management tasks, it directly influences the economic efficiency of enterprises.

摘要：降低线损是供电企业的主要管理任务之一，它直接影响着企业的经济效益。

Analyses the reasons of power factors lower of supply network in comprehensive face, puts forward the ways and significance of raising supply network factors.

分析了井下综采工作面供电网络功率因数较低的原因，提出了提高供电网络因数的意义和途径。

The all-parallel AT traction system is the most suitable system to supply the power of high-speed railway because of its characters of higher transport power, lower voltage drop.

由于全并联at供电方式输送功率大、接触网电压损失低，因而特别适用于高速铁路电力牵引供电。

Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.

实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。

High reliable power supply module parallel connection system will not achieve (even lower) the reliability level that it should have if it is not designed and maintained properly.

电源模块并联馈电是高可靠系统，设计或维修使用不当，不但不能发挥其高可靠性水平，而且还会进一步降低系统可靠性。

The operation ways of auto-transformer for AT power supply are expounded. Its performance and characteristics are analyzed. It is introduced that how to get to the lower impedance.

阐述了AT供电用自耦变压器的运行方式，分析了AT用自耦变压器的性能、特点及能达到低阻抗的原因及措施。