A simple electronic circuit is adopted for compensating the power mains fluctuation.

采用了简便的电网波动补偿方案。

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The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.

主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。

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That's why we're pleased to note that a company called ReNu has just announced a solar panel that can be used to charge your iPhone or iPod, power the device's sound dock, or even keep your desk light shining sans mains power.

ENGADGET: ReNu solar panels announced for iPhone charger, sound dock, LED desk lamp

It would not have been the original detectors that were hard-wired into the system because they run on mains power.

FORBES: A Lesson In Keeping An Elderly Parent Safe In Their Own Home

The process of switching to mains power may reveal some further damage, but staff will be on hand to repair any outstanding issues.

BBC: Arran power: 'Every property has electricity restored'