The generation of harmonics in electric power system, source of harmonics, harmfulness of harmonics to electric power system, and actions to restrict harmonics are discussed in detail.

对电力系统谐波的产生、谐波源、谐波对电力系统的危害及谐波的限制措施加以论述。

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The trick is a single implanted power source and a distributed system of controllers that will manage several different physical functions.

FORBES: Technology

Perhaps the most interesting part of this design is its dual-mode power system, which consists of the standard solar cell array as well as a nuclear power source, allowing the rover to operate continuously and in areas that go long periods without sunlight.

ENGADGET: Chinese engineers reveal nuclear-powered lunar rover