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Beats By Dre Studio, 7 bearing the cover bearing. , North of the turbine room on comrades participated in stone in September and October 1990, No. 3 machine hot start and the eighth to ten 3 bearing failure, vibration analysis unit. No. 3 machine in the boot process, I found 3, No. 4 bearing bearing relative to the sinking T2.83ram and 3 watts of top-axis direction is almost zero oil pressure meter; careful analysis of previous measurements of the boot data and the reasons for this phenomenon, after that, No. 3 bearing dead die, making the boot process, the expansion in the cylinder to move poor and backward expansion, resulting in 3 bearing back down; in the shutdown process in the contraction but also makes the 3-cylinder bearing forward to a serious bearing holy barrier and abnormal vibration. 3 down after checking with the platen bearing clearance, the maximum value of 2. e2mm, proved that judgments are correct. . According to 3 machine in hot stone work experience in Shalingzi No. 1 power plant shut down during the eleventh as measured using a feeler gauge No. 3 bearing platen gap with a maximum of 1.2ram, located in the bearings Department. The units start and stop the process in the No. 3 bearing there was a marked forward and pour phenomenon, Table No. 1 power Martinez also have the No. 3 bearing immortal dead serious problems. No. 3 machine hot stone, sand No. 3, No. 1 electric bearing dead die immediately identified the problem, the solution to the current unit operation l8 exception, the unit itself to eliminate the major flaws of the new units in North China power grid provides an important basis for early production, for manufacturing the same type of unit provides the basis for the improvement of this major discovery by the Department of Energy and the North China Bureau and a high degree of attention, and give a very a high evaluation. Deng Jianling a main transformer in the operation of burning coil at 3:01 on August 16, 1990 Power Supply Bureau of Handan, Hebei Province, Handan Iron and Steel I {0 kV substation at 31500 kVA main cross-pressure in the system to normal operation action resulted in heavy gas trip, 6kV side of the station I, II, No. bus full stop, loss of electricity of about 3. I: E kilowatt-hour, affecting the supply of Handan Iron and Steel Plant. l9 day hanging hood inspection found: IlokVA coil from the bottom up with the first 5,87, seriously burning three sections of the external, were blown 2 to 1 turn, burns were not taking into account the number of turns of the transformer insulation system Xi'an Transformer Factory 198o April production ~ SFL - 31500 / ¨ type, Yo / △ a l1 structure. Dry 19sa ~ l2 months into operation. Failure of the previous seven years,
herve leger sale, a comprehensive analysis of test data again, no exception. Crane inspection time, manufacturers have come to investigate. Because time is tight, heavy load, to ensure that the steel plant production of electricity, the station invited Baoding Transformer Factory to assist on-site repair, the burning of the first coil section 5,6,7, respectively, replace the 6 turn, 7-turn under the burned area turns 2 in the section near the tap, the preliminary view that: the point of failure is due to occur in paragraph 5 of the discharge caused by inter-turn, and then spread to the first paragraph 6,7, cause of the accident has yet to be done in-depth investigation and analysis. Hebei Handan Power Supply Bureau a work area Chen Yongyi
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