ESCO Power
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PHT operations

Diesel mode

When the diesel engine is running, the clutch is engaged and drives directly the marine gear or transmission. Thanks to the PHT, the diesel engine also drives the electrical generator. 

The electrical generator can generate, if not the axis will spin idle inside the generator. Due to the ratio (1.47 or 1.7) inside the PHT, we increase the rpm of the diesel engine at the PTO/PTI which allows us to reduce the electrical motor size.

The electrical generator generates electricity which can be used for on board equipment or for charging on board batteries, which can be used later to drive the electrical motor or on board equipment.

Electric mode

The PHT in electrical mode disconnects the diesel engine by disengaging the clutch, thus the diesel engine can be shut down. The electric motor drives the marine gear or transmission directly through the PHT gears with a ratio (1.47 or 1.7) which decreases the electric motor rpm and increases the torque. The electric motor takes his power from a generator set or from on board batteries.

Boost Mode

In boost mode the clutch is engaged so the diesel engine is running. The electric motor is also running synchronised with the diesel engine and thus increasing the torque at the transmission or marine gear. The electric motor takes his power from a generator set or from on board batteries.

This way you can reduce diesel engine size when max power is only used for a short time or save fuel by running the diesel engine at limited power and adding power from the electric motor.

Wherever needed, Esco Power, member of the Esco Group with 70 years of experience provides service & distribution of Power Transmissions for your Diesel- and Hydraulic engines in Marine and Industrial Applications. Our team specialized in selection, sales and after sales as well as our products itself are made it possible to offer you the right solution for every marine or industrial application. TWIN DISC Marine Gearboxes & Industrial Power Transmissions Power Take Off`s  Pump Drives, BRADEN-CARCO-GEARMATIC Winches Carco Hoists & Planetary Gearboxes, Nam Jet High-torque & Low speed Water Jets, Transfluid Fluid Couplings, Clutches, Power Take Off`s, Brakes, RBD & Multi Pump Drives TWIN DISC TECHNODRIVE Pump Drives, Power Take Off`s, Gearboxes and Couplings,  CENTA Elastic couplings, MEKANORD Marine Transmissions, COMER Planetary Drives, Axles, OMSI Split-Shafts and Axles, Esco Couplings Rigid & Flexible Couplings, FUNK Transmissions Pump Drives Axles. Esco Power is experienced with designing very demanding drive lines for varies applications like: heavy duty crushers, emergency drive lines, ventilation systems, mixers, parallel hybrid drives etc. Not only we design and sell we do also provide service and have big inventory for spare parts for all these products.