Diesel-electric transmission, or diesel-electric powertrain is used by a number of vehicle and ship types for providing locomotion. A diesel-electric transmission system includes a diesel engine connected to an electrical generator, creating electricity that powers electric traction motors. No clutch is required. Before diesel engines came into widespread use, a similar system, using a petrol engine and called petrol-electric or gas-electric, was sometimes used. This kind of power transmission is used on railways by diesel electric locomotives and diesel electric multiple units, as only electric motors are able to supply full torque at 0 RPM. Diesel-electric systems are also used in submarines and surface ships and some land vehicles. In some high-efficiency applications, electrical energy may be stored in rechargeable batteries, in which case these vehicles can be considered as a class of hybrid electric vehicle.
The numerical value of Diesel-electric transmission in Chaldean Numerology is: 5
The numerical value of Diesel-electric transmission in Pythagorean Numerology is: 2
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