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Title: PULSING A 4.1 MW MOTOR GENERATOR SYSTEM TO 34 MW PEAK POWER UNDER CONSTANT INPUT POWER OPERATION.

Conference ·
OSTI ID:15016648

Brookhaven operates a 9 MW motor generator, made by Siemens, as part of the main magnet power supply of the Alternating Gradient Synchrotron (AGS) accelerator. A cycloconverter power supply system is utilized to ensure that during pulsing the main magnets of the AGS up to 50 MW peak power, the input power of the motor generator remains constant. There is also another motor generator (MG set) at Brookhaven, a 40 year old system manufactured by Westinghouse. This MG set could be pulsed up to 34 MW peak power while the input average power should not exceed. 4.1 M&V. A project is underway to upgrade this MG system and it's controls, so it could be used as a spare while doing maintenance on the Siemens MG and thus not interrupting the RHIC physics program. The purpose of this paper is to show that it is possible to pulse the AGS magnets using the Westinghouse MG system without utilizing a cycloconverter power supply, and still be able to maintain the input power to the motor generator constant. Calculations will be provided to show that we can pulse the position of the liquid rheostat in the motor rotor circuit to support the above, while taking out the power necessary to pulse the AGS magnets. This solution is being implemented due to budget constraints and overall simplicity. The hydraulic system to accomplish this task will also be described.

Research Organization:
BROOKHAVEN NATIONAL LABORATORY (US)
Sponsoring Organization:
USDOE Office of Energy Research (ER) (US)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
15016648
Report Number(s):
BNL-66029; R&D Project: AD2ADOP; KA0201; TRN: US0502779
Resource Relation:
Conference: 1999 PARTICLE ACCELERATOR CONFERENCE, NEW YORK, NY (US), 03/29/1999--04/02/1999; Other Information: PBD: 29 Mar 1999
Country of Publication:
United States
Language:
English