The hydrogen gas could then be fed into a storage system and used to generate electricity when additional or backup power is needed.
然后可以将氢气输入到存储系统中，并在需要附加或备用电源时用于发电。
Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines.
将风力发电厂与太阳能电池、常规或抽水蓄能的水电或高效的天然气涡轮机连接起来，也可以提供备用电力。
Many of these companies say that they're not just using fuel cells to reduce energy consumption and pollution, provide reliable backup power, and attract good publicity.
许多这样的公司说，他们使用燃料电池不但是为了降低燃料消耗，降低污染，提供可靠的备用电力，取得良好的名声。
They make the most sense for hospitals, banks, supermarkets, and companies with big data centers—businesses that require a reliable source of backup power and are willing to pay a premium.
对医院、银行、超市以及拥有大型数据中心的公司——需要可靠备用电源并愿意支付费用的机构，燃料电池才具有最大的用处。
Regulators will need to evaluate how well operators would cope if they lost both primary power and backup diesel generators for an extended period.
监管者需评估反应堆在长时间失去主要动力及备用柴油发电机失效的情况下应对的能力。
The batteries were designed as one of the backup systems to provide power for cooling the core for 8 hours. And they did.
电池组是后备系统之一，用来为冷却工作提供8小时的电力支持，它们做到了。
Solar cells will still be used for backup power, however.
太阳能电池仍将作为备份电源。
Additionally, EMC EFDs safeguard data with full round-trip error correcting code (ECC) data integrity protection and destage power backup.
此外，EMCEFD也使用全双工错误修正码(ECC)数据完整性保护和离线电源备份来保护数据。
American regulators must ensure that all nuclear plants have enough mobile generators or other backup power in place if their first two lines of defense are disabled.
美国的核监管机构必须确保所有核电厂在电网和备用发电机被破坏的情况下仍有足够的移动发电机或其他地备用电源以供应急。
Other conventional approaches include buying backup generators, or using solar panels to power the refrigerators in clinics.
其他的传统的方法包括购置备用发电机或者用太阳能板给诊所的冰箱供电。
But the tsunami washed out the backup power generators being used in the cooling operation.
但是海啸冲毁了在冷却系统中使用的备用发电机。
The reactor and its backup systems are designed to handle this type of accident by including backup power systems to keep the coolant pumps working.
反应器和它的备份系统设计中包括，当这种事件发生的时候，备份系统需要保持冷却系统的运行。
That triggered the emergency diesel generators to startup and provide backup power for plant systems.
由此工厂自备紧急柴油发电机启动为工厂提供电力。
Because even if, say, offshore wind costs the same as natural gas by 2015 (as predicted by German utility E.ON), there is still an extra cost of building backup power for when the wind doesn't blow.
即便说近海风电成本到2015年(据德国意昂电厂的预测)会与天热气持平，但为了应付没有风的情况，还需建设备份电站，这就会产生额外成本。
(Power outages, however, activate backup battery and safe mode, which means you can still perform tasks like unlocking a door manually).
(比如停电了。但是还有启动备用电池和安全模式的存在，这样你就可以继续你手上的活计了)。
In some cases, hydropower is growing as a backup power supply for wind and solar power.
在某些地区，水电项目是作为风力发电和太阳能发电项目的后备手段。
The earthquake and tsunami knocked out outside power to the reactor complex and the tidal wave also disabled backup diesel generators, whose fuel tanks were swept away.
地震和海啸破坏了反应堆的外部电力供应，并且备用的柴油发电机也无法工作，因为海浪冲走了油箱。
Even though plans exist to deploy backup power generators to ensure a constant supply of electricity, no such system is in place at the moment.
即使有部署后备发电机的计划来确保持续的电力供应，目前也没有这样的系统。
The nuclear plant lost its main source of electric power to drive the pumps, and the tsunami knocked out the backup diesel generators that were supposed to drive the pumps in an emergency.
核电站失去了驱动冷却水泵的主要电力来源，海啸损毁了本应在紧急情况下驱动水泵的备用柴油发电机。
Part of the reason is that wind power depends on, well, the wind. To safeguard against blackouts when conditions are too calm, officials have turned to coal-fired power as a backup.
部分原因是风力发电要以依靠风，为了防止“风平浪静”时出现的断电情况，官方不得不以火力发电作为后备电源。
There, they could store excess power from renewables and help smooth small fluctuations in power, making the grid more efficient and reducing the need for backup fossil-fuel plants.
这样，这些锂离子电池可以从可再生能源中存储多余的能源，有助于平抑电能供应的小波动，提高电网的效率，降低对备用火电厂的需求。
But cooling was unavailable as the reactors lost all electric power, including from backup emergency diesel generators.
可是，反应堆失去了包括应急柴油发电机在内的所有电力供应，冷却系统无法工作。
But, if the power lines fail, the plants have redundant on-site power sources, including backup diesel generators and batteries.
当外部电源故障，工厂自备包括柴油发电机，电池等供电设施。
That would also allow the batteries of electric cars to serve as a backup supply of power when needed.
这也会将电动汽车的电池在需要时成为备用电源。
The researchers also suggest that the intermittency of wind power could require significant and costly backup options, such as natural gas-fired power plants.
研究人员还表示，风能的间歇性需要相当规模的后援支持，例如天然气发电厂。
Most of the larger units use batteries, flywheels, diesel generators, or a combination of the three, acting as a backup power source during power quality or utility disturbances.
较大型的单元大多采用电池、飞轮、柴油电机或三者的组合作为备份电源。
Despite the erratic expansion of wind and solar projects, the backup power capacity those projects require is lacking.
尽管风能和太阳能项目扩张，但这些项目需要备用电源容量不足。
Despite the erratic expansion of wind and solar projects, the backup power capacity those projects require is lacking.
尽管风能和太阳能项目扩张，但这些项目需要备用电源容量不足。
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