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Active Magnetic Bearings

Table 3-12 Turboexpanders with active magnetic bearings ... Table 3-12 Turboexpanders with active magnetic bearings ...
Reduced maintenance costs, leading to an overall improvement in system integrity and reliability. Tlie mean-times-between-failure for active magnetic bearings are equal to tliose of an electric motor. [Pg.333]

Improved rotor dynamic stability. The active magnetic bearing s ability to vary stiffness and damping permits rotation about the rotor s inertial axis, eliminating vibration and noise. [Pg.333]

In a radial active magnetic bearing, the rotor is held in position by electromagnets located on the stator (Figure 6-3). The rotor-to-stator position is constantly monitored by sensors that communicate with the electronic control system. If the rotor deviates from its position, the control system adjusts the current flow to the electromagnets to return the rotor back to its proper position. [Pg.335]

Active magnetic bearings are certainly suitable for turboexpanders. These bearings are now being used in the aerospace and machine-tool industries, as well as in a variety of both light and heavy industries. [Pg.336]

The active magnetic bearing s versatility allows it to be used in almost any rotating machine. Examples include compressors, blowers, pumps, turbines, centrifuges, x-ray tubes, vacuum pumps, spindles for... [Pg.336]

In 1985, the first active magnetic bearing in a pipeline compressor for continuous use was installed on the Alberta Gas Transmission System of NOVA Corporation. Tlie bearings have been running smoothly, with a noted improvement in compressor operation and efficiency. [Pg.337]

CASE STUDIES ON ACTIVE MAGNETIC BEARINGS (AMB) AND DRY GAS SEALS (DGS) ... [Pg.337]

Active Magnetic Bearings (AMB) and Dry Gas Seals (DGS) in Hydrocarbon Processing... [Pg.347]

In this case, details of turboexpander design with dry gas seals and active magnetic bearings are presented in enough detail that the application to this specific process is clarified. [Pg.348]

Turboexpanders with Active Magnetic Bearings Revisited. The... [Pg.352]

Application of Active Magnetic Bearings to Industrial Rotating Machinery, printed material of Bearing Manufacturer S2M, Vernon, France. [Pg.400]

Figure 6.28 Active magnetic bearing for high speed compressor drives. The rotor shaft is positioned in both the vertical and horizontal axes by actively controlled magnetic fields, generated by four levitation coils. Figure 6.28 Active magnetic bearing for high speed compressor drives. The rotor shaft is positioned in both the vertical and horizontal axes by actively controlled magnetic fields, generated by four levitation coils.
Figure 6.29 Active magnetic bearing for a 23 OOOkW6300min 1 natural gas compressor drive. Mechanical backup bearings catch the rotor and brake it to standstill in case of active control malfunction. Figure 6.29 Active magnetic bearing for a 23 OOOkW6300min 1 natural gas compressor drive. Mechanical backup bearings catch the rotor and brake it to standstill in case of active control malfunction.
Rated frequency 90 cps at 5400 min-1 Total weight 701 Weight of rotor 9.31 Compressor - Natural gas depletion compressor, Output pressure 65.5 bar Motor and compressor equipped with active magnetic bearings. [Pg.163]

See other pages where Active Magnetic Bearings is mentioned: [Pg.333]    [Pg.333]    [Pg.333]    [Pg.333]    [Pg.334]    [Pg.336]    [Pg.337]    [Pg.348]    [Pg.456]    [Pg.223]    [Pg.161]    [Pg.162]    [Pg.161]    [Pg.13]    [Pg.87]    [Pg.45]    [Pg.210]    [Pg.216]    [Pg.1128]    [Pg.457]    [Pg.438]   
See also in sourсe #XX -- [ Pg.68 , Pg.333 , Pg.335 , Pg.347 , Pg.348 , Pg.352 , Pg.356 ]



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