购买指南最好的便携式发电机
A portable generator is a smart investment anytime you need extra power or during an emergency. Capable of running small appliances, lights, and other devices, power generators make it easy to stay connected in places where you might need some extra juice.
正确的便携式发电机的选择主要取决于您的功率需求。您要如何使用发电机？是出于紧急情况还是露营？您将哪些设备为什么设备？发电机具有不同的瓦特等级；等级越高，产生的功率就越多。许多设备（例如小型家用电器）需要更高的评级，以提供足够的功率或一致的使用。
What portable generator do you need?
您是否正在寻找“救援”发电机，因为您在家遭受了停电？您是否正在寻找用于露营或RV旅行的便携式发电机？您是否需要一些东西来在没有电源的站点上运行电动工具？
这是一个很大的问题，但是找到答案并不总是直接的 - 我们通常希望便携式发电机能够填补多个角色。
让我们首先查看功耗，以更好地了解便携式发电机必须做什么。
Testing portable generators
在花了46小时研究53个不同的便携式发电机之后，我们选择了前五名。我们还咨询了174名消费者，以找出购买便携式发电机时所需的东西。
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Power demands
If you go around your house and make a quick inventory of electrical consumption, you'll soon realize that the even biggest portable generator can’t run everything at once.
An average home has power demands of 10,000 to 20,000 watts. If you want to run everything you need a permanent stand-by generator, hard-wired by a professional. It's the kind of thing that will cost you anywhere from $2,000 upwards.
专家提示
如果您在潮湿的天气下使用发电机，则必须保持干燥。获取弹出式运动帐篷与发电机一起使用。将帐篷放在发电机上使其保持干燥，但帐篷的所有四个侧面都保持开放，以进行适当的气流。
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A portable generator gives you back-up power until the normal supply is restored. Depending on the size it can run much more than just basic necessities. If it's intended for work or recreational use there are other calculations to be made, but the same principle applies. Here are a few common items that will give you some idea. You can do your own math easily enough: every electrical gadget you own should have the wattage demand marked on it somewhere.
Lamps need 60 to 120 watts.
一个污水泵需要750至1,500瓦。
A refrigerator needs 500 to 750 watts.
计算机需要60到300瓦。
加热器need 500 to 1,500 watts.
咖啡机需要750至1,000瓦。
卤素工作灯需要300至600瓦。
An electric drill needs 500 to 900 watts.
"Think about adding a gen-cord. This type of extension cord is specially designed for generators, with a single plug on the generator end and three or four standard 120v sockets on the other. You’ll only need to run one cable from generator to house, rather than three or four separate extensions."
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查看功耗时，还有另一个重要的考虑因素。大多数电动设备最初打开时的需求更大 - 称为“激增”。它可以是正常运营需求的2到5倍。这就是为什么您会看到Portable Generator在例如3300瓦和4,000瓦特瓦特的原因。后者是它能够处理的激增。
The important thing to note here is that surge lasts a few seconds at most, and you don't have to start all your electrical gadgets at once.
要管理激增，请打开灯光，等待片刻，打开冰箱，等等。这样一来，您就不会立即使它们都飙升并导致超负荷。
We recommend generators that run on gasoline rather than liquid propane because gasoline tanks hold more fuel.
We assess how easy a portable generator is to start. The best models have turnkeys or buttons, whereas others have ripcords.
燃油表提供了一种快速检查气体水平的方法，而无需关闭发电机的填充帽。
重量超过90磅的便携式发电机应该有轮子。我们注意到我们的研究中每个发电机的重量，并注意它是否带有轮子。
We note the number of 120V AC outlets. Some models include extras such as DC and RV outlets and twist locks.
我们寻找便携式发电机，这些发电机告诉您何时在油脂上运行时。耗尽会损坏发电机。
Instructions vary among models, so it’s always important to read the instructions. We assess how helpful they are and whether they outline how to maintain the generator.
在我们的研究中，我们寻找测量空气摄入的节气门传感器。它们通过根据所使用的瓦数来调整来帮助提高燃油效率并运行时间。
我们评估每个便携式发电机运行多长时间。一个好的品牌应该一次运行11-17个小时。
我们评估每个便携式发电机运行多长时间。一个好的品牌应该一次运行11-17个小时。
便携式发电机的类型
大多数便携式发电机通常相似，并且使用汽油电动机或丙烷电动机将机械能将其转换为电力。
Portable inverters use the same basic principle but, thanks to special mufflers, fuel injection and other clever tricks, they are smaller, lighter and a lot quieter. This makes them ideal for recreational use: outside parties, camping, tailgating, and RVing. They often feature automatic power fluctuation controls, making them especially good with sensitive electronic devices.
There are two drawbacks to inverters. First, power output is lower – generally between 1,000 and 3,000 Watts. Second, they are relatively expensive.
专家提示
在将其放入长期存储中之前，排干您的燃料发电机，以便在需要时发电机可以工作。不同类型的燃料具有不同的货架寿命，并且随着时间的流逝会变得糟糕。如果您确实让燃料放在发电机中几个月或更长时间，则可能会造成损坏。
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便携式发电机效率
好的，您知道您需要多少功率，但是便携式发电机将运行多长时间？您可以整天离开它，还是必须每隔几个小时补充一次汽油箱？
Portable generator manufacturers are happy to quote run times, but you have to be careful. Seldom, if ever, will the advertised figures align with the generator running at full capacity. You'll see things like “12 hours at 1/4 load,” or “8 hours at 50% capacity.”
To be fair, portable generators hardly ever run at peak performance for very long, so it's not that the manufacturers are being deceptive, though they are showing things in the best possible light!
您还必须考虑要消耗的瓦数。从便携式发电机提供3500瓦的便携式发电机的10个小时，当您使用的功率为7,000瓦时，以50％的价格与10小时不同。
汽油或液态丙烷
我们选择的每个便携式发电机都在汽油上运行。液态丙烷是一种替代方法，并且有很多模型使用它。这些最终选择的主要原因是仅仅是燃料存储。
我们选择的汽油动力设备中最大的坦克是7.5加仑。类似的丙烷模型需要几个20磅的储罐才能在同一时期内运行。
您不仅必须有存储它们的空间，而且还需要更定期地更改它们。
专家提示
If using a generator in wet weather, be sure to have proper rubber-soled shoes on. Never operate while barefoot when there are puddles.
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Portable generator features
Deciding how much power you need will focus your choices, but there are still many portable generators vying for your money. Here are some of the features you will want to look for.
轻松开始
如果具有RIPCORD，则发电机应提供减压，以便于启动。最好的便携式发电机完全用绳索删除 - 您只需转动键或按下按钮即可。
油表
It's nice to be able to check levels without taking the filler cap off.
Oil level warning
低运行油会严重损坏您的设备。
Throttle sensors
Units equipped with throttle sensors can adjust performance depending on load, thus increasing fuel efficiency and run time.
Wheels
与一些便携式车轮是一个单独的附件generators. Portable inverters aren't designed to have wheels, and it's not a problem when the unit only weighs 45 pounds or so. However, when a model weighs 90 pounds plus, wheels are something of a necessity.
"Portable generator gauges show either actual fuel remaining or estimated hours remaining. Combination gauges are very helpful, as they help you account for consumption rate based on the power demand."
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多个电源插座
根据模型，您将获得一个或多个120V AC插座。您可能还会获得DC插座（可用于充电电池），可以直接插入RV电路中的特定RV插座，或者可能与传输开关兼容的120/240V 30A（也称为Twist Lock）。
Transfer switches, which should be installed by a suitably qualified professional, allow you to plug your portable generator directly into your household electrical supply, so you only run a single cable, rather than trying to run a number of extension cords through doors or windows.
Portable generator safety
您可能已经听过一千次，但是在这种情况下，这特别重要：始终阅读制造商的说明！首先，发电机的烟雾很危险。其次，如果您无法照顾便携式发电机并正确维护它，那么当您最需要时，它可能会让您失望。
The following might be covered within those instructions, but are worth underlining:
米anufacturers recommend a minimum of five feet of clear space on all sides of your generator when it's running.
It should always be run outdoors. A garage or shed with the door and windows open is NOT outdoors. Carbon monoxide can build up in enclosed spaces. It's colorless, odorless, and lethal.
便携式发电机热切勿填充汽油箱。溢出的气体可以在热排气或壳体上点燃。它几乎是看不见的，因此可以在您意识到之前燃烧您或周围的事物。
Never completely fill the gas tank – always allow room for expansion.
使用后，切勿将发电机放在完全酷之前。
切勿尝试将发电机连接到家用插座。“回馈”不仅会在您的家中，而且在本地网络中的任何地方引起电造成电力或发射。如果您想要固定连接的选项，请要求合格的专业人员安装转移开关。
Beware of overloading your portable generator. If in doubt, consult an electrician.
Check that your generator is properly grounded. Follow all applicable federal, state and local regulations related to grounding. If you don't, you risk being electrocuted.
专家提示
Remember to first start the generator, and then plug in any devices.
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What should a portable generator cost?
在我们的研究中，我们发现便宜的便携式发电机的价格低至100美元。我们不建议在该级别上发电机，但确实存在。
Our five finalists are all highly-rated models that receive lots of positive feedback from owners. They're also representative of what we would consider 'best in class', in terms of price and performance.
使用便携式发电机，您几乎可以获得所支付的费用。
可靠，可靠的入门级机器可以是您的$ 300。这是很多事情，但是我们建议您为具有相似功率输出的型号而花费数百美元左右，但功能设置更详尽。
需要大大吗？我们更昂贵的选择可以使您的功率输出明显更高，并提供出色的可靠性。
Inverter generators are a slightly different story because they generally cost more than their “standard” counterparts. The model we recommend is close to a thousand dollars but, in our view, unbeatable in its class.
