The functions, the principle of operation energy saving, system composition and operational principle of the converter are presented.

介绍了控制系统的功能、运行节能原理、系统组成和变频器工作原理。

youdao

In this paper, problems of dropping load rate, efficiency and rising operation energy consumption of surface engineering system during oil field exploitation are studied.

针对油田开发过程中地面工程系统的负荷率下降，效率降低，生产运行能耗升高的问题开展了研究。

youdao

Since the even pipeline character curve shows that the pipeline design and installation is correct, we should study the operation energy saving technology measure from the compressor itself.

由于管网特性曲线平坦，说明管网设计安装合理，应从压缩机本身研究其运行节能的技术措施。

youdao

The two oil-gluggers' recent co-operation on energy was, after all, as unusual as it was tentative.

ECONOMIST: India and China

Joint operation of energy markets between different countries is common throughout Europe and is becoming increasingly important as the markets integrate at a European level.

BBC: Scotland politics

Another rationalization under consideration: combining the oil and gas operation with PreussenElektra to form a single, integrated energy operation.

FORBES: Ulrich Hartmann's second act