Et rotor curva generantis fundatur in uno puncto, quod plerumque non afficit normalis operationem generantis. If another point of grounding occurs in the winding or excitation loop, forming a two-point grounding, the rotor winding, rotor core or reguard ring may be burned by the short-circuit DC current, and the magnetic circuit asymmetry formed by the partial short-circuit turns will cause the vibration of the unit to increase, and even cause the magnetization of the rotor body.
Fieri rationes rotor curva grounding sunt ut sequitur:
A. Pauper vestibulum et sustentationem processus. Exempli gratia, quodlibet welding qualis filum pauperes, strepitus lining laedi, plumbum filum a rotor curva ad lapsus anulum et Poweruascens cochlea tortor pulvis et welding et PROLIX
b. Impropria operatio et sustentationem. Exempli gratia, in Hydrogenii humiditas est princeps, hydrogenii continet oleum, in tecta cylindrici inter collector anulum et hastile, et annulum et plumbum nexum accumulat toner, etc.
c. Consilio structural defectus. Exempli gratia, principalis in vetus structuram rotor operuit cum tutela ferro armis, et principalis velit laedi sub calorem expansion et mechanica actio in operationem, unde in terra defectum.
d. Pauper materia lectio. Et filum et velit materiae lectus a manufacturer sunt pauperes qualitas et congenita defectus.
E. Improprium repono de translationem.
Per processus of translationem et repono, in velit in rotor est humidum, sordida vel evacuatione foraminis intrat in externis corpore.
Shaft voltage est notabilis forsit in turbogenerator operatio. Large turbine generator, if the shaft voltage suppression or protection measures are not proper, will lead to the motor shaft, bearing shell and turbine dynamic and dynamic parts of the magnetization and burn serious consequences.
Shaft voltage maxime causatur ex his quatuor;
(L) Shaft voltage causatur a static crimen humilis pressura cylindri de vapor Turbine;
(II) Shaft voltage conteram fecit per magneticam circuitu asymmetry in generate vestibulum vel operatio
(III) et axialiam voltage per pulsantium pars ex static excitationem ratio;
(IV) in potentiale potentiale generatae per brevi circuitu vertitur rotor curva.
Axial voltage causatur a superius I ad IV items est plerumque pauci volts ad decem volts sub normalis condiciones, et usque ad aliquot centum volts of ac voltage vel DC centum (item Voltage in grave casibus.
Ad libitum connexionem resistentiam et resistentiam et capacitance parametri, installed in Turbine vel generante hastile finem de terra penicillo, et in generans (exhalare latus), potest inhibere aut ne hastam intentione et hastile est per nocere.
The longitudinal magnetic flux formed by the short circuit between turns of the rotor winding in the rotating shaft not only passes through the journal, the bearing shell, but also through the blades, partitions and cylinder walls of the dynamic and static parts of the turbine, magnetizing these parts and generating unipolar potential.
Under normal circumstances, the unipolar potential generated by weak magnetization is only millivolt level, but when the rotor has a serious inter-turn short circuit or two-point grounding, the unipolar potential will reach several volts to ten volts, and the generator bearing oil film is broken down or the dynamic and static part of the turbine is contacted due to the expansion difference is too small, the unipolar current generated along the axial flow will Pedes centum amps. Is mos non solum adolebitque Journal, ferre testa, dynamic et dynamic partes Turbine, afficiunt rectam operationem Turbine series hastile praesidio, sed etiam aggravare magnetization harum partium, quae facit difficultates ad unitas sustentationem operis. Ergo necessarium demagnetize magna axis magnetization causatur auculatio variis causis gravi magnetization magna axis post generans accidens. 3.2 demagnetization modum et iudicium de demagnetization effectus sunt duo modi: DC demagnetization et Demagnetization. DC Demagnetization modum debet esse pro magna components ut generans rotor, Turbine rotor et cylinder murum. In basic principium de demagnetization est gyrari in demagnetized partes circa demagnetization coil, periodice mutare in directionem de current in coil, et paulatim reducere magnitudinem in partibus, ut magnetica in parva et tandem in remanencia est parva.
Ut efficaciter consequi ad demagnetization numerus ampige-vices demagnetization debet electus ut IV V temporibus Rating de Demanence et DC ad directionem, ut solebat ad directionem et DC Power, ut solebat ad directionem et DC Supple.
Secundum ad usus de demagnetization of a numerus 100-300mw magna turbine generans sets, postquam demagnetization de partibus, in Journal et ferre testa non plus quam X × 10-4t, aliae partes non magis quam X × 10-4t, id est, ut non potest.
Nam magis quaestiones circa generantis set, placere vocant beidou potentia dolor. Plus quam decem annos professional productio et Sales de potentia generationem apparatu experientia, magis professional ipsum quadrigis servire vobis, eligere beidou potestate est eligere quieti certo, grata, site officinas inspectionem.
Post tempus: Nov, 22-2024