The SSPC is composed of control and logic device, solid-state switch device and current-sense device.

固态功率控制器由控制和逻辑部件、固态开关部件和电流感受部件组成。

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A new solid state switch and its principle, construction and operation characteristics are introduced mainly.

主要介绍新型的固态开关的原理、结构和运行特性。

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The solid state switch device uses power MOSFET as soft switch, so, the spark doesn't appear when the circuit turn on or turn off.

固态开关部件采用电力MOSFET做软开关，使得电路通断时，不会出现打火花的现象。

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Five years ago, dairy farmer Darryl Vander Haak flipped the switch on the first electric generator in Washington State powered by manure.

VOA: standard.2010.02.23

In 2010 New York became the last state to switch to electronic voting in compliance with federal law.

FORBES: New York's New Voting System Is a Disaster

Consumer advocates worry the change could prompt plants that are currently USDA-inspected to switch to state inspection.

FORBES: Selling Sausage Across State Lines

The state-or-federal option would to some degree mirror U.S. banking regulation, where many banks can switch between state and federal charters.

FORBES: Magazine Article