CUM­MINS JOINS THE HY­DRO­GEN COUN­CIL AND UN­VEILS POWERDRIVE

ABC (Australia) - - NEWS -

US COM­MER­CIAL VE­HI­CLE power-plant maker Cum­mins has joined the Hy­dro­gen Coun­cil, a global coali­tion ex­plor­ing and pro­mot­ing hy­dro­gen as a clean en­ergy source to help meet the world’s cli­mate chal­lenges, it’s re­ported re­cently.

The an­nounce­ment is the lat­est de­vel­op­ment in Cum­mins’ ef­forts to ex­plore and sup­port the use of low-car­bon en­ergy sources to help ad­dress global cli­mate chal­lenges.

The com­pany has been work­ing quickly to de­velop its own ca­pa­bil­i­ties in elec­tri­fi­ca­tion, es­tab­lish­ing a new Elec­tri­fied Power busi­ness seg­ment in 2018. Lead­ers have pledged to have an elec­tric pow­er­train sys­tem for the ur­ban bus mar­ket by the end of 2019.

DI­VERSE POW­ER­TRAINS

At the re­cent 2018 IAA Com­mer­cial Ve­hi­cle Show, Cum­mins dis­played its ad­vanced suite of plug-in hy­brid elec­tric pow­er­train so­lu­tions, fur­ther broad­en­ing its port­fo­lio.

Most in­ter­est­ingly, it un­veiled the PowerDrive – for light, medium and heavy-duty ap­pli­ca­tions.

Ac­cord­ing to the com­pany, the Cum­mins PowerDrive of­fers both par­al­lel and se­ries ca­pa­bil­i­ties. It re­places the con­ven­tional trans­mis­sion and switches in real time be­tween two hy­brid and two pure elec­tric modes, op­ti­mis­ing the pow­er­train for the best fuel eco­nomics in any driv­ing sit­u­a­tion, it’s claimed.

The Cum­mins PowerDrive sys­tem has trav­elled more than six mil­lion miles in a fleet set­ting in the United States and China, and work is un­der­way to in­tro­duce it to the Euro­pean mar­ket in fu­ture. Its flex­i­ble ar­chi­tec­ture means the PowerDrive sys­tem can be com­bined with var­i­ous sizes of diesel or nat­u­ral gas en­gines and bat­tery pack out­puts, ac­cord­ing to the com­pany.

WHAT’S THE GO?

The flex­i­ble hy­brid ar­chi­tec­ture seam­lessly shifts be­tween pure elec­tric for en­vi­ron­men­tally sen­si­tive ar­eas with a 50-mile (80km) range and hy­brid for jobs re­quir­ing more than 300 miles (480km), says Cum­mins.

It op­er­ates as a hy­brid in ei­ther se­ries or par­al­lel con­fig­u­ra­tion modes. Se­ries is bet­ter suited to low road speeds, such as ur­ban driv­ing (stop/start con­di­tions), while par­al­lel is ideal for higher road speeds on the high­way.

In a se­ries hy­brid, the elec­tric mo­tor is the only means of pro­vid­ing power to the wheels. The mo­tor re­ceives elec­tric power from ei­ther the bat­tery pack or from the en­gine-gen­er­a­tor. In a par­al­lel hy­brid, the en­gine and elec­tric mo­tor com­bine to pro­vide the power that drives the wheels. The third mode of elec­tric plus comes on­line when higher en­ergy is re­quired, when the sys­tem senses gra­di­ent climb­ing or ac­cel­er­a­tion for over­tak­ing.

A US Class 6 truck pow­ered by the PowerDrive with a 50-mile (80km) elec­tric range re­alises re­duced emis­sions by up to 80 per cent com­pared to con­ven­tional ve­hi­cles, the com­pany claims. Sim­i­larly, fuel costs are re­duced by be­tween 40 to 80 per cent depend­ing on the drive cy­cle.

The BP74E(74 kWh) high-volt­age bat­tery pack, de­signed for long-range buses and trucks.

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