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Junior Varsity
Experience running off diesel generators
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<blockquote data-quote="Rob Timmerman" data-source="post: 97590" data-attributes="member: 172"><p>Re: Experience running off diesel generators</p><p></p><p>Generators are not sized in watts, they are sized in volt-amps. This means that you need to take the power factor of your equipment into account when sizing the generator. One rule of thumb is to use a power factor of between 0.6 and 0.8 if the actual power factor is unknown.</p><p></p><p>All the diesel generators I've ever run across are 3-phase machines, although many can also be configured for single-phase operation. You want to balance your loads as evenly as possible across the 3 phases (this is good practice in any system).</p><p></p><p>The generator has a nonzero ramp time, which means that quickly adding or subtracting large loads may stall the generator or result in overvoltage events. Better generators have better voltage regulation, but it still isn't typically as good as you'd get from shore power.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 97590, member: 172"] Re: Experience running off diesel generators Generators are not sized in watts, they are sized in volt-amps. This means that you need to take the power factor of your equipment into account when sizing the generator. One rule of thumb is to use a power factor of between 0.6 and 0.8 if the actual power factor is unknown. All the diesel generators I've ever run across are 3-phase machines, although many can also be configured for single-phase operation. You want to balance your loads as evenly as possible across the 3 phases (this is good practice in any system). The generator has a nonzero ramp time, which means that quickly adding or subtracting large loads may stall the generator or result in overvoltage events. Better generators have better voltage regulation, but it still isn't typically as good as you'd get from shore power. [/QUOTE]
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Experience running off diesel generators
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