Technical data of Cummins generator set

Technical characteristics of diesel engine

Engine brand

Cummins

Airframe structure

Cylinder block: alloy cast iron, replaceable wet cylinder sleeve.

Crankshaft: alloy steel structure, full support, shaft neck and fillet quenching.

Piston: eutectic silicon alloy, first ring groove with wear rings, oil cooling.

Intake system

Exhaust gas turbo charging system with air / water-cooled intercooler.

lubrication system

The variable flow pump is used to optimize the amount of oil entering the engine.

Cooling system

Adopt internal gear centrifugal pump and force water cooling.

The rotary water filter prevents rust and corrosion and removes impurities effectively.

fuel system

Using Cummins patented technology, PT fuel system, high-pressure injection, combustion fully.

Filtration system

A dry air filter with an air resistance indicator.

Starting system

With DC accumulator starting motor, it has quick start performance.

electrical system

BOSCH sliding gear type starter motor, AC charging generator.

Cold starting performance

Without auxiliary equipment, the minimum ambient temperature of cold starting is -7 degrees centigrade.

Technical characteristics of AC generator

Generator brand ENGGA

structure

Single bearing, three-phase brushless exciter, rotating excitation.

Adopt the hair flap and disc joint piece according with SAE international standard.

The connection between the flywheel housing and the flywheel of the engine is simple and fast.

electrical system

The design of low impedance winding can further reduce the influence of harmonics.

The generator stator adopts 2/3 pitch, which is suitable for parallel operation of generator.

Stator structure

Double layer lap winding structure is adopted.

The end of the winding adopts a patented technology of overlapping insulation and end band reinforcement structure.

Rotor structure

The whole salient pole lamination and the integral winding process, the coil is directly wound on the magnetic pole.

Special ventilation and cooling design.

Double layer insulated flat copper wire is adopted to greatly improve the voltage resistance of turn to turn and interlayer.

insulation

The insulation grade of standard products is H.

Standard product protection level is IP21

Vertical immersion paint and vacuum drying process are adopted.