EMC Design et Exsequendam modum Bldc motricium
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EMC Design et Exsequendam modum Bldc motricium

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Hardware-gradu Optimization Strategy
I. Applicationem de technology

Principium: secundum ad Aequationes, electro intercessiones propagatur in forma electro fluctus, quae continere alterna electrica et magnetica agri components. Metals habent altum electrica conductivity et magnetica permeability. Cum electro intercessiones est incident in metallum scutum layer, secundum legem electromagnetic inductione, electrica agro et eiciam libera electrons in metallum movere in directional modo, ita generating inductum current. Secundum Lenz est scriptor lege, magnetica agro excitatur per inductum current est oppositum ad incident intercessiones magneticam agri, et duo sunt superimposed in se ad efficaciter offset parte interpellatio magneticam agri; Simul, secundum ad terminum condiciones electrica agri, metallum protulit layer potest interficiam de propagatione semita electrica agro, ita achieving effectum.


Impetatio operatio: in motricium manufacturing processus, fundatur in electro proprietatibus de materia, aluminium Alloys (cuius electrica conductivity est de 3.5 × 10⁷ s / m et relativus, qui potest pervenire 10 ^ Motor magnetica, quod potest pervenire, ut Motor Greating. Et adopt adolescendis technology, ut laser Welding, metallum sealant, etc, ut minimize hiatus et foramina in testa ne electro intercessione lacus. Accipere Bldc motricium in industriae automation apparatu ut exemplum. Usus est Aluminium Alloy Crusta. Per cnc dispensando technology per gap ad iuncturam de crusta est minus quam 0.1mm, quod efficaciter reducit intensionem electro radialem. For the drive circuit, according to the size of the circuit board and the intensity of electromagnetic interference, a metal shielding cover with appropriate thickness is selected, such as a copper shielding cover with a thickness of 0.5-1mm, and the metal shrapnel is welded by surface mount technology (SMT) to ensure that a low-impedance electrical connection is formed between the shielding cover and the circuit board.


Nota in scutum consilium processus electromagnetic compatibility consilio guidelines oportet sequebatur vitare formationem novum intercessiones fontes inter diversas scutum layers. Exempli gratia, in automotive electronic systems, in motricium habitationi et coegi circuitu scutum operimentum opus ad esse AC coupled per capacitoribus, et Solasting cogitationes ut ne novus electro intercessiones propter electrica a potentia ad ne novitocinteris interpellatio. Praeterea, in grounding de protegens layer est valde magna. Secundum grounding doctrina, necesse est ut ad grounding resistentia est minus quam 0.1Ω ad consequi efficient electro tutum.


II. Constructione de grounding ratio

Principium: Secundum Ohm scriptor lege et Kirchhoff de lege, in core ad grounding est providere humilis-impeditance reditu semita ad current, ut metallum testa in apparatu est in eodem potentia ut in terris. Hoc non solum vitare in altum voltage fecit a stabilis electricity cumulus et electro inductione ex causa nocere ad apparatu et personas, sed etiam efficaciter supprimere electro intercessiones secundum principium electro inductione. Cum electro inductione occurrit in apparatu, in grounding ratio potest cito inducere inducitur current in terram, ita reducendo inductum electromotive vis in apparatu.


Imprimis operatio: De metallum testa motricium coniungitur terra per dedicated grounding filum. Secundum ad current portans capacitatem calculation vexillum of filis et funem, in crucem-sectional area de grounding filum necessitates ad verius calculata et lectus secundum rated potestate et motor et maximum, quod potest esse curam facultatem. In 5KW Industrial Bldc motricium, a aeris Grounding filum cum crucem-sectional area 6mm² est lectus post calculation in occursum current portantes requisita sub brevi-circuitu current. In coegi Circuit, cum multi-iacuit typis circuitu tabula (PCB) adhibetur, unum iacuit specificaliter defined ut terra planum, et professio PCB Design Software (ut alium ad curare humum paxilli layout in terrae ad terram paxilli uterque potest esse ad terram paxilli utraque parte ad terram paxilli. Quidam clavem Analog Circuit partes, ut situ sensorem signo processui circuitu motricium, unum-punctum grounding modus adhibetur ad efficaciter reducere intercessiones per terram potential differentia.


Nota: diversis grounding systems oportet se sequi electro compatibility consilio specifications vitare mutua intercessiones. Exempli gratia, in medicinae apparatu, fortes current grounding et infirmi current grounding oportet uti independens grounding truncos et Equipotes hospites debet fieri in grounding bus ut ne fortis current per grounding ex intrantes infirmus current per circuitum per grounding ad infirma current per circuitum per grounding ad infirma current per circuitum ex intrantes infirmus current per circuitum ex ingressu vena est. Simul, secundum quod pertinet signa (ut GB 50169-2016 'electrica installation engineering grounding fabrica constructione et acceptatio specifications '), in grounding resistentia semper in certa range.


III. Rationabile configuratione de Filtra

Principium: et conducted intercessiones in potestate linea maxime includit communis modus intercessiones et differentiale modi intercessiones. In communi-mode inductor utitur sua specialis structura duos filum parallel curvis ad magneticam fluxus generated a communi-modus vena in duas imbecilli propria ad communem, ita exhibendo, et efficaciter suppressionem ad communem, ita exaltat et efficaciter suppressionem in communi, ita exaltatione et efficaciter suppressionem communi, ita exequitur imposito communi communi; Differentiale-modus capacitor est humilis impedire propria differentiale-modus current secundum capacitive reactance proprium capacitor (x_c = frac {I} {II PI, interimat, et potest bypass in altum, modus differentiale, et non bypass in altum frequency differentiale, modus intercessiones, et non bypass in altum, modus differentiale, et potest bypass in altum frequency differentiale, modus intercessiones, et non bypass in altum, in modum differentialem, et potest bypass in altum, modus differentiale, et potest bypass in altum frequency differentiale, modus interpellat. Minimum transire filter in signum transmissione linea fundatur in frequentia responsio characteres LC circuitu. Religio liceat parametri Inductor et Capacitor, concedit humilis frequency annuit transire et efficaciter attenuat summus frequency intercessiones significationibus.


Imprimis operatio: in virtute initus finem secundum ad intentione, current et intercessiones frequency range de potentia copia, uti circuitus analysis software, et ut Pspice, ut accurate, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductor et differentiale, et eligere in communi-mode inductorialis et differentiale, et eligere in communi-mode inductoriales et eligere ad filter. Nam pro 220V, 50Hz AC initus potestate copia, in inductoria communis-mode inductor potest electus ut 5mh, et facultatem differentiale-modus capacitor potest electus ut 0.47μm. In Bldc motor coegi potentia copia a familia aer Conditioner, post usura filter cum hoc modularis, conducted inter se in potentia linea valde reducitur, occurrens relevant electro compatibility signa. De signo transmissione linea secundum frequentiam et Sed signi filter Design doctrina adhibetur ad consilium humilis transeat filter cum idoneam integer frequency. Exempli gratia, pro 1MHz signum Transmissus linea, cutoff frequentiam humili transeat filter est ad 5mhz per calculation, quod efficacius Filtra altus-frequency intercessiones efficaciter.


Nota: quod parameter lectio in filter oportet verius matched cum ipsa impedimentis et frequency characteres de circuitu, aliter expectata percoquatur effectus non potest esse. Simul institutionem positio filter est crucial. Necesse est sequi principium brevissimam electro intercessiones propagationem semita, experiri ad proximam ad intercessiones fontem et protected occursum, et reducere cooperationem intercessiones signo in transmissione processus.


Optimization ideas ad software campester
I. Optimization de PWM Imperium Strategy

Principle: secundum ad electromagnetic torque formula motor T = k_ti (ubi k_t est torque constans et ego est current), in frequency et officium cycle de PWM signum in motricium, ita generating electromagnet interdum ad motricium, ita generans electromagnet et in motricium, ita generating electromagnet interdum in motricium, ita generating electromagnet interdum in motricium, ita generating electromagnet et rate de motricium, ita generating electro intervallo et in motricium, ita generantis et intentione variantur. Cum PWM frequency resonat cum naturalis frequency vel sensitivo frequency aliis circuitus, quod intercessiones intensionem auget exponentially secundum vibrationis doctrina. Random PWM technology introducit pseudo-temere sequence ad perturbare fixum frequency PWM signum, ut intercessiones industria aequaliter distribuitur latius frequentia range. Secundum virtutem spectro density doctrina, efficaciter reduces ad interpellationem intensionem ad specifica frequency.


Imprimis operatio: cum designing in PWM imperium algorithm, uti spectrum analysis instrumenta (ut FFT analyzer) ad comprehendendum analyze in operating frequentiis frequency in systematis ad determinare in alias range ad vitare adimere cum sensitivarum. For random PWM technology, a pseudo-random number generator based on a linear feedback shift register (LFSR) is used to generate a frequency-varying control signal, so that the frequency of the PWM signal fluctuates randomly within the set frequency range, and the fluctuation range can generally be set to ±15%. In Bldc Motor Imperium Ratio est Electric vehiculum, in electro intercessiones intensionem reducitur plus quam 10DB post temere PWM technology erat usus, efficacius improving electro compatibility est ratio.


Nota: Cum per temere PWM technology, eius impulsum in motricium in operating perficientur oportet plene considerari. Ob in temere mutationem frequency, in torque pulsus motricium ut crescat. Secundum ad principium motricium dynamics, motricium scriptor operating status necessitates ad monitored et adaequatum in realem tempus. Current clausa-loop potestate, celeritate clausa-loop imperium et alia strategies potest ad curare firmum operationem motricium.


II. Exsequendam mollis satus et mollis subsisto Strategies

Principium: In momento motricium satus et subsisto, debitum ad acuti mutationem current, secundum legem electro inductione, fortis electro intercessiones erit generari. In mollis satus et mollis subsisto strategies control officium cycle mutatio rate de PWM signum ut hodiernam et voltage of motricium gradatim mutare secundum praefinitum electro. Exempli gratia, uti exponentialibus munus ad imperium exigit mutatio potest facere mutationem current et voltage levem.


Imprimis operatio: in startup tempus, secundum ad onus characteres motricium et ratio requisita, set idoneam startup tempus, ut 1s. Per hoc tempus, ad officium cycle de PWM signum est paulatim augeri per exponentialibus ortu munus ad facere coegi intentione motricium ortum constanter. In statione scaena, a subsisto tempus etiam set, ut 1.5s et officium cycle de PWM signum est paulatim reducitur per exponentially decrescentes munus ad consequi tardus subsisto motricium. In Bldc motricium coegi ratio in elevator, postquam adopting mollis satus et mollis subsisto consiliantur, electro intercessiones est significantly reducitur et lenitate elevator operatio est melius.


Nota: quod tempus occasum mollis satus et mollis subsisto necessitates ad accuratius accommodetur secundum onus characteres in motricium et ipsam application missione. Si tempus brevis, electro intercessiones non efficaciter supprimi; Si tempus sit nimis longum, quod erit afficiunt operantes efficientiam et responsionem celeritatem motricium. Optimal tempus parametri potest determinari per experimentalem temptationis et simulatio analysis.


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