相比汽油、燃?xì)獾饶茉?，柴油蘊(yùn)含能量高，單位體積與價(jià)格內(nèi)，柴油發(fā)電機(jī)的發(fā)電運(yùn)行成本也低很多，不過相比市電工業(yè)用電，除了購買發(fā)電機(jī)組的費(fèi)用，它的發(fā)電成本也是要高一些的，尤其受柴油價(jià)格變化影響大，下面以一度電為例計(jì)算柴油發(fā)電機(jī)的發(fā)電運(yùn)行成本。
Compared with gasoline, gas and other energy sources, diesel contains high energy. Within the unit volume and price, the operating cost of diesel generators is also much lower. However, compared with the electricity used in the municipal power industry, in addition to the cost of purchasing generator sets, its power generation cost is also higher, especially affected by the changes in diesel prices. The following is an example to calculate the operating cost of diesel generators.
柴油發(fā)電機(jī)的發(fā)電運(yùn)行成本是多少
What is the operation cost of diesel generator
行業(yè)內(nèi)通常以燃油消耗率（單位g/kw.h）來標(biāo)定一臺(tái)柴油發(fā)電機(jī)的油耗情況，其參數(shù)多在190-210g/kw.h之間，其中各因技術(shù)不同，燃油消耗率有一定差距，而各功率之間此參數(shù)差距較小，以198g/kw.h來計(jì)算油耗情況，如滿載30KW的柴油發(fā)電機(jī)，其每小時(shí)油耗為30*198g=5.94kg，柴油密度約為0.8kg/L（各標(biāo)號(hào)柴油密度略有不同），那么此柴油發(fā)電機(jī)每小時(shí)油耗換算為體積則為7.4L。
In the industry, the fuel consumption of a diesel generator is usually calibrated by the fuel consumption rate (unit: g/kw. h). Most of its parameters are between 190-210g/kw. h, among which, due to different technologies, there is a certain gap in the fuel consumption rate among brands, while the gap between these parameters is small. The fuel consumption is calculated by 198g/kw. h. For example, the fuel consumption per hour of a fully loaded 30KW diesel generator is 30 * 198g=5.94kg, The density of diesel oil is about 0.8kg/L (the density of diesel oil of different grades is slightly different), so the hourly fuel consumption of this diesel generator is 7.4L.
按照柴油常年的平均價(jià)格6元/l計(jì)算，輸出30度電的柴油成本為7.4*6=44.4元，即每度電成本為44.4÷30=1.48元，相比電網(wǎng)工業(yè)用電電費(fèi)的1.1元左右多一些。

According to the annual average price of diesel oil of 6 yuan/l, the cost of diesel oil to output 30 kilowatt hours of electricity is 7.4 * 6=44.4 yuan, that is, the cost per kilowatt hour of electricity is 44.4 ÷ 30=1.48 yuan, which is more than about 1.1 yuan of electricity charge for power grid industry.
除了柴油消耗，柴油發(fā)電機(jī)的運(yùn)行成本還要考慮機(jī)械磨損維護(hù)、機(jī)油消耗等，在選擇發(fā)電機(jī)組時(shí)要根據(jù)實(shí)際情況，如使用比較頻繁的情況下，可以選擇大發(fā)電機(jī)組，它的燃油消耗率通常會(huì)低一些，設(shè)備也耐用，而很少使用的情況下，可以選擇質(zhì)量可靠的機(jī)組廠家，購買費(fèi)用會(huì)低很多。
In addition to diesel oil consumption, the operating cost of diesel generator should also consider mechanical wear maintenance, oil consumption, etc. When selecting generator sets, it should be based on the actual situation. For example, if the generator sets are used frequently, large brand generator sets can be selected. Its fuel consumption rate is usually lower, and the equipment is durable. If the generator sets are rarely used, the generator set manufacturers with reliable quality can be selected, and the purchase cost will be much lower.
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