The thermal energy storage unit involves a triplex concentric tube with phase change material (PCM) filling in the middle channel.

通过数值模拟与实验，研究了三重同心套管内的相变传热过程。

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An auxiliary power unit (APU) is used to charge the first battery to maintain a desired voltage across the first energy storage unit.

以及辅助动力单元，其可操作以给所述第一能量存储单元充电。

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The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.

将有源功率因数校正技术引入UPQC直流储能单元的电压控制。

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The i3 will be powered by huge lithium-ion batteries positioned under the floorboards (a distribution of weight that eases handling) with a drive system, chassis and energy storage unit all incorporated into a body module made of aluminium.

FORBES: World Debut: BMW i3 Electric Car

One WindTamer customer is the U.S. Army, which purchased last year a mobile trailer-mounted turbine and renewable energy storage unit containing the Power on Demand system that the military would be able to move around even in battle zones.

FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy

The car you drive will soon be the storage unit for all your energy needs.

CNN: Commentary: Save automakers to help economy and security