The problem is discussed on connecting between management unit of DC control power system and field bus of the substation automation system.

对直流系统管理单元纳入变电所综合自动化系统现场总线进行了研究。

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A long field running of the medium-frequency power supply shows that the control system presented in this paper greatly improves its stability and quality.

长期的现场运行表明，这一控制系统大大提高了电源的可靠性及中频电源产品质量。

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By means of field oriented control, the decoupling control of active power, reactive power of the system is realized.

采用定子磁场定向的控制方法，实现了有功、无功的解耦控制。

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This means agencies could power their communication system in the field using an improvised local network if a disaster wipes out Internet connectivity, electricity, or both, like Hurricane Katrina did along the Gulf Coast.

FORBES: Crisis Communicating

Whether you are looking at London leading on congestion charging, or San Francisco leading on solar power (with a system the size of a football field on top of its convention centre), it is clear that strong civic leadership matters most of all.

BBC: Time to leave the comfort zone