Thedieselgeneratorsetisakindofpowergenerationequipment.Itsprincipleistoburndieseloilthroughtheengine,convertheatenergyintomechanicalenergy,andthendrivethegeneratortocutthemagneticfieldthroughtheenginerotation,andfinallygenerateelectricalenergy.Itsusesmainlyhavethefollowingfiveaspects: First,bringyourownpowersupply.Somepowerusershavenogridpowersupply,suchasislandsawayfromthemainland,remotepastoralareas,ruralareas,militarycamps,workstations,radarstationsondesertplateaus,etc.,theyneedtoconfiguretheirownpowersupply.Theso-calledself-suppliedpowersupplyisaself-suppliedpowersupply.Whenthepowergenerationisnottoolarge,thedieselgeneratorsetisoftenthefirstchoicefortheself-suppliedpowersupply. Second,standbypower.Themainpurposeisthatalthoughsomepowerusershavearelativelystableandreliablepowersupply,inordertopreventunexpectedsituations,suchascircuitfailuresortemporarypoweroutages,theycanstillbeconfiguredasemergencypowergenerationandusepowersources.Generally,therequirementsforpowersupplyprotectionarerelativelyhigh,andevenaone-minute,one-secondpoweroutageisnotallowed.Itmustbereplacedbyself-emergentstandbypowergenerationatthemomentwhenthegridpowerends,otherwiseitwillcausegreatlossesinthedistrict.Suchunitsincludesometraditionalhighpowersupplyguaranteeunits,suchashospitals,mines,powerplantsecuritypowersupplies,factoriesusingelectricheatingequipment,etc.Inrecentyears,networkpowerhasbecomeanewgrowthpointforbackuppowerdemand,suchastelecommunicationsoperators,banks,Airports,commandcenters,databases,highways,high-gradehoteloffices,high-endrestaurantsandentertainmentvenues,etc.,duetotheuseofnetworkmanagement,theseunitsareincreasinglybecomingthemainbodyoftheuseofstandbypower. Third,alternativepowersupply.Theroleofalternativepowersupplyistomakeupfortheshortageofgridpowersupply.Theremaybetwosituations.Oneisthatthepriceofthegridistoohigh.Fromtheperspectiveofcostsaving,dieselgeneratorsareusedasalternativepowersources.Theotheristhatinthecaseofinsufficientgridpowersupply,theuseofgridpowerisrestricted,andthepowersupplydepartmenthastogoeverywhere.Thepowersupplyisrestrictedbythebrake.Atthistime,inordertoproduceandworknormally,thepoweruserunitneedstoreplacethepowersupplytoproviderelief.Inrecentyears,Chinahassoldseveraldieselgeneratorsetsinthemarket,suchasnationalsalesinthefirsthalfofthe1980s,southernChinaintheearly1990s,andEastChinain2003-2004,allduetonationalandDuetoregionalpowershortages,inordertocopewithlarge-scalepowercuts,variouspowerusershavepurchaseddieselgeneratorsetsasalternativepowersources. Fourth,mobilepower.Amobilepowersourceisapowergenerationfacilitythathasnofixedplaceofuseandisusedeverywhere.Duetoitslight,flexibleandeasy-to-operatecharacteristics,dieselgeneratorsetshavebecomethefirstchoiceformobilepower.Themobilepowersupplyisgenerallydesignedasapowersupplyvehicle.Thereareself-poweredvehiclesandtrailerpowervehicles.Mostpower-usingunitsthatusemobilepowerhavethenatureofmobilework,suchasoilfields,geologicalexploration,fieldengineeringexpeditions,campingpicnics,mobilecommandposts,trains,ships,powersupplycompartments(ships)forfreightcontainers,andarmymobileweaponsEquippedwithpowersupplies,therearealsosomemobilepowersupplieswiththenatureofemergencypowersupplies,suchasemergencypowersupplyvehiclesinurbanpowersupplydepartments,watersupply,engineeringrescuevehiclesandemergencyrepairvehiclesingassupplydepartments. Fifth,firepowersupply.Thefire-fightinggeneratorsetismainlyusedforbuildingfire-fightingequipment.Onceafireorothersituationoccurs,themainspoweriscutoffandthegeneratorisusedasthepowersourceofthefire-fightingequipment.Averyhugemarketwithgreatpotential. Itcanbeseenthatthefourusesoftheabovedieselgeneratorsetaregeneratedinresponsetodifferentstagesofsocialdevelopment.Amongthem,self-providedpowersupplyandalternativepowersupplyarethedemandforelectricityduetothebackwardconstructionofpowersupplyfacilitiesorinsufficientpowersupplycapacity.Itisthefocusofmarketdemandintheearlystageofsocialandeconomicdevelopment;andthebackuppowersupplyandmobilepowersupplyareduetotheincreaseinpowersupplyprotectionrequirementsandtheexpansionofpowersupplyrange.Thedemandisthefocusofmarketdemandattheadvancedstageofsocialandeconomicdevelopment.Lookingatthemarketuseofdieselgeneratorsetproductsfromadevelopmentperspective,itcanbesaidthatitisitstransitionaluseasaself-providedpowersupplyandanalternativepowersupply,whileitslong-termuseasabackuppowersupplyandmobilepowersupply,especiallyasahugepotentialmarketforfirepowersupplyDemandwillbeslowlyreleased. Asapowergenerationequipment,dieselgeneratorsetshavesomeuniqueadvantages:①relativelysmallsize,flexibleandconvenient,andeasytomove.②Convenientoperation,simpleandeasytocontrol.③Energyrawmaterials(fueloil)arewidelyavailableandeasilyavailable.④Lessone-timeinvestment.⑤Startquickly,youcanquicklysupplypowerandquicklystopgeneratingelectricity.⑥Thepowersupplyisstable,andthequalityofthepowersupplycanbeimprovedthroughtechnicalchanges.⑦Itcanprovidepoint-to-pointdirectpowersupplytotheload.⑧Lessaffectedbyvariousnaturalclimatesand