Primo ratio generantis perdere magnetismus
Per normalem operationem generantis, excitatio subito evanescit toto vel partis, quae generans damnum magnetismi. The causes of generator excitation loss can generally be summarized as open excitation circuit or short circuit, including exciter, excitation change or excitation circuit fault, wrong excitation switch, improper switching of standby excitation, excitation system loss of factory power, rotor winding or excitation circuit open circuit or rotor winding serious short circuit, semiconductor excitation system failure, rotor slip ring fire or burn.
I. Excitital Variable Culpa Fit genero perdere magnetism
Due to the insulation manufacturing defect of the transformer, or the gradual deterioration of the insulation defect during operation, the discharge phenomenon is generated, resulting in the excitation change protection action tripping, and the loss of magnetic protection action causes the unit tripping. Ratio signa esse stricte implemented, iusto temptationis, implementation et troubleshooting ferri. Secundum pertinet ordinationes et signa, conscientissime portare de regulari velit professional test implementation.
II, in magnetica switch trinus causat generantis perdere magnetism
Rationes ad iter magneticae switch includit: (I) magnetica switch iter mandatum est falso misit in DCS; (II) et exitus Nullam deficit mittere de magnetica switch trinus disciplinam; (III) In itinere-puga pyga contactus electrica stans discus magnetica switch in centralis imperium locus trahit ad normam trinus-imperium; (IV) et loci imperium panel de excitatione parva locus manually separate magnetica Disiunctio switch; (V) Magna switch imperium loop cable velit stilla; (VI) Switch Corpus Mechanica Salire off magnetica switch; (VII) Instantaneous de DC ratio causat magneticam Disiunctio switch ad iter.
III. De excitatione lapsus circulum accendat causat generantis perdere magnetism
Causa accidente est inaequaliter pressura de carbonis dignissim premere vere, unde in inaequaliter distribution of quidam carbonis penicillo excursus, unde nimia vena singulorum carbonis perterget, causing calorem singula. In addition, in carbonis penicillo est sordidum, polluat in contactu superficies carbonis penicillo et lapsus anulum, causando quidam carbon penicillo et lapsus gradus est inaequaliter et negative gerunt, ex non opportune est a positivum per lapsus, debitum ad non opportune potestate per lapsum per lapsum est per labi per aegram in anulus igne.
IV, DC ratio grounding causat generantis perdere magnetism
After the DC system is positively grounded, because there is a distributed capacitor in the long cable, and the voltage at both ends of the capacitor cannot change, the capacitor current of the long cable in the external trip circuit of the generator magnet breaker flows through the intermediate relay at its external trip outlet, and the relay moves to develop the motor magnet breaker, resulting in the generator magnet loss protection action.
V, excitatio ordinatione ratio defectum fecit generans magneticam damnum
De culpa de EGC tabulam de regulator de generantis excitation ratio causat per-voltage praesidium actum est Rotor generantis excitation regulator et in tutelam actum.
VI. Rectifier cessat causando generantis perdere magnetism
In processus of incipiens ad electrica sentinam, ratio voltage reducitur et excitatio system mittit terror auxiliariis copia defectum. Quia auxiliares inpulsa resistentia switching loop Nullam est magna, potentia copia handover deficit, et fan rectificatorem non operari Northmanni, unde in super-temperatus ad rectifier, ex inauguralis praesidio et unitas eu. Silver plating layer potentia switch contactus in AC latus rectifier arca tenuis vel pauper qualitas. Per operationem, in aeris et aerem contactus producit cadmiae accumsan, unde in incremento contactus resistentia. Cum incremento current, augmentum temperatus ducit ad overheating de contactus, unde in damnum magneticae praesidio actio durante dispensando et unitas tripping.
Secundo nocere generantis damnum magnetism
I, in generans damnum de magnetica dampnum ad virtutem ratio
(1) When the generator loses magnetism, the generator with low excitation or loss of magnetism will absorb reactive power from the system, which will make the voltage of the power system drop, if the power system capacity is small or the reactive power reserve is insufficient, it will make the generator terminal voltage, the bus voltage on the high voltage side of the booster transformer or the voltage of other nearby points lower than the allowable valorem. Et hoc modo, in stabilis operatio inter onus et potentia copia destruetur, et etiam in voltage ruina in potentia ratio erit.
(II) Cum autem generans habet humilem excitationem vel damnum magneticae voltage gutta, alia generantibus in systematis mos crescat reactive potentia output sub actione automatic ad aliquid electrica components in ratio. Exempli, transformator aut transmissio linea generat ecurrent, ut tergum tutela actio secat overload pars et expandit culpa range.
(III) Cum autem generans habet humilis excitationem vel damnum magnetismi, debitum ad adductius de activae virtutis et decrementum systematis intentione, ut ducere ad dampnum et ratio oscillat et magni potentiae rejectionem.
II, in generans damnum magnetism ad generans se ipsum
Post generans amittit magnetismi, non solum causa magnam nocere ad virtutem ratio, sed etiam causa quaedam nocere ad generantis;
(I) Propter quod de lapsus cum magnetica damnum, ibi erit differentia frequency current in generator rotor. Si damnum causatur a differentialis frequency current in rotor loop excedit licita valorem rotor et overheat. In differentia frequency current fluens per superficiem rotor erit causa gravis loci overheating vel etiam ardet in contactu superficies rotor corpus cum socors cuneum et rettainer anulum.
(II) Post generantis cum humilitate excitationem vel damnum de magnetica agri intrat in asynchronous operationem status, in equivalent reactionem generantis decrescit, et reactivum potentia absorbuit a system continues. Post grave onus amisit, generans stator erit overheat ex overcurrent.
(III) Nam magna turborogorgedors cum altum uti a recta refrigerationem, post grave onus amisit, quod torque et activae potentia huius generantis erit a vehementi periodica adductius. In hoc tempore, ibi erit magnus vel plus quam rated valore de electro torque periodice agens in generante shafting, et transiens per stator in frame. In hoc tempore, et lapsus etiam faciunt periodica mutationes in generantis scriptor periodica grave overspeed.
(IV) Cum autem generans est currens ad humilem excitationem vel magneticam damnum, magnetica leakage de RIC ad finem erit amplificatur, quod faciam finis components et latus segmentum core ad overheat.
Post tempus: Jul-10-2023