jacking oil system

Jacking oil systems | Turbine Plant Systems

Jacking oil is also provided to the turning gear journal bearings during start-up and shutdown. The pipework systems use Class 1 welded pipe joints and all the high pressure pipework is contained within the pedestal. Figure 2.67 shows the arrangement used for the turning-gear jacking oil pump, but is typical of these installations.

The high-pressure jacking oil system can cause bearing

The high-pressure jacking oil system on a hydrodynamic bearing is an often-overlooked component that can cause bearing problems if not properly inspected and maintained. By Fred C. Wiesinger, Jr. Of the many mechanical inventions attributable to early mankind, arguably the most significant was the wheel. Undoubtedly, the first man to use a ...

Jacking Oil Pump for Steam Turbine/Generator - control.com

Jacking something we hear regular in purpose something like Lifting. same meaning is applied hear also This Jacking oil pump is used to lift turbine Rotar shaft until ...

What is a steam turbine jacking oil system - answers.com

• Low jacking oil pressure can damage·turbine generator bearings when turbine speed is toolow for adequate hydrodynamic lubrication. Also the turning gear roay become unavailable. • Too high oil pressure increases the risk ofoverpressure failure in the lube oil system. • The following protective aetlons (listed in the orderofdropping pres­

Systems Cooler Jacking Oil Pump *Only at some stations I N I Lubricating Oil System Figure 10.1. 334.00-10 small. This allows for faster response time as it requires less time for oil to move in and out of the operators of the valves. The required oil pressure to the bearings is much lower

If the design of the bearing/journal is such that a sufficient oil wedge/lubrication can't be established to prevent bearing/journal damage during low-speed and/or turning gear operation then the decision is usually made by the manufacturer to add a jacking/lift oil system to the turbine and/or generator.

A jacking oil pump also called a lift pump is commonly used on rotor shafts of steam driven Turbine Generators prior to startup or after shutdown to provide even cooling of the shaft and eliminate ...