Badilisha single phase ya nyumba yako iwe three phase

Transistor

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Katika design mbalimbali ambazo nimekuwa nilizifanya katika kukabiliana na tatizo la umeme mdogo katika nyumba zetu,Ambapo kwanza nilianza na design ya COUPLELING nikaja na PUSH and PULL na sasa nimekuja na mfumo wa SINGLE PHASE to THREE PHASE BOOSTER

Hii ni aina nyingine ya Voltage Booster,ikiwa na kazi ya kuongeza umeme maeneo yenye umeme mdogo.

Mashine hii baada ya kuukuza umeme inautoa nje katika phase tatu,hii inasaidia kupunguza heavy switching process,pamoja na kupunguza Heat kwasababu power output yake inagawanywa kwa 3.Mfano kama tunahitaji 12kv inamaanisha kila phase itakuwa na 4Kv

Mashine yenyewe ni hii hapa





Pamoja na mifumo mingine ya kuifanya iweze ku-boost umeme automatic,hii ni moja ya saketi ya mfumo wake wa Transformer ambao ndio unabadili single phase iwe three phase.


 

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gharama yake...

Mkuu kutaja gharama hapa ni kosa sababu forum hii haihusiki na mambo ya kibiashara,Nimetoa namba ya simu pamoja na LINK ya blog yangu,jaribu kutumia vitu hivyo viwili utajua bei.

Ila kwa kifupi bei siyo fixed inategemeana na Jumla ya wattage ya vifaa unavyo taka kuviendesha kwa kutumia mashine hii.
 
Mkuu naomba nikuulize maswali mawili matatu:

* Umeme wa ziada utakaozidi kwako na kufanya umeme kwako kuwa stable utatoka wapi.?

* Law of conservation of energy imezingatiwa.?

* mfano ikitokea katika service line husika ambayo ilikuwa na instability ya umeme, wateja wake wote wa hiyo service line wakafunga hiko kifaa, je tatizo la instability ya umeme katika majumba yao litakwisha.?
 

Hata mimi nasubiri majibu ya maswali hayo ya msingi sana. Where does the extra energy come from?
Halafu, kifaa cha single phase kinatumiaje three phase output ya hicho kifaa chako? When you divide the voltage into three equal levels, how do they effectively operate the consumer appliance at the required voltage: eg 4V to 12V?
In your design circuit, the input side of the transformer seems to be effectively just a single segment, why are three segments/loops shown?
 

Naomba kujulishwa hapo kwenye red.
Mimi nilifikiri kuwa si sahihi kugawanya 12V kwa phase tatu yaani 12/3; kutokana na phase zote tatu kuwa ktk phase angle tofauti tofauti. Kwanini isiwe 12/ sq root 3?
Mfano: ktk Electrical Distribution System ya Tanzania (3Ph, 4-wire system) line voltage ni 415V, ukitaka kupata voltage kwa kila phase (Phase voltage), itakubidi uchukue 415/sq root 3 ili upate normal phase voltage ambayo kwa kawaida ni 240V. Unasemaje mkuu kuhusu hili?
 
Mkuu, je itabidi niingie gharama nyingine kubadili electrical system ya nyumba yangu yenye 1Phase ili niweze kutumia kifaa hiki cha 3Phase?
 

Correction.....nilimaanisha KVA na sio Kv.

Nikweli ulicho kizungumza mkuu,lakini ukiangalia mchoro utagundua swala la angle between phase to phase halijazingatiwa,kwasababu lengo la mfumo huu si kutengeneza three phase zenye angles za ku-run vifaa vyenye three phase kama vile motors.

Mfumo wa kubadili single phase kuwa three phase yenye possible phase angle kwa ajili ya ku-run vifaa vya three phase
una mfumo tofauti kidogo na huu wenyewe unaitwa rotary single phase to three phase converter ambao wenyewe unatumia Capacitors na Three phase motor kuzalisha three phase yenye angle possible kwa kurun three phase devices.Tazama hapa chini



Katika mfumo huu wa kutumia Transformer,Lengo lake ni kutumika maeneo yenye Low Voltage ambapo Phase angle imekuwa ignored kwani lengo hapa ni ku-boost voltage,hivyo phase moja imegawanyawa katika three phase
kwa mfumo wa transformer.

Hivyo kama nyumba ya mteja inahitaji 12KVA,kama utatumia booster yenye transformer ya single phase ku-boost umeme

Kitakacho tokea hapo ni Transformer kupata moto sana,vile vile switching processes itakuwa ina sparks zaidi kwa sababu itakuwa inaconduct high current at the same time.

Kuondoa tatizo hilo ambalo,lili nikuta mara ya kwanza ndo mana,nikaamua kupunguza stress ya transformer inabidi nigawanye phase hiyo moja ziwe tatu katika output,hivyo kama nina hitaji 12KVA kutoka katika booster nikigawanya kwa tatu nitapata 4KVA kutoka katika kila phase,ambapo ukigawanya kwa 4000/230=17Ampere kwa kila phase ambapo kila phase itakuwa na line yake ndani ya nyumba.

Hivyo badala ya kufanya switching ya 17x3=51 Ampere kwa wakati mmoja now utakuwa unaswitch 17A for 230V kwa kila phase lakini bado utaendelea kudeliver 12KVA ktk nyumba ambapo kwa kufanya hivi inaongeza ufanisi wa booster na kuiongezea maisha.

Vifaa vya ndani ya nyumba bado vitalishwa kwa single phase ile ile kwa kuchukua kila phase moja na Neutral moja,na sio phase to phase.
 
Mkuu, je itabidi niingie gharama nyingine kubadili electrical system ya nyumba yangu yenye 1Phase ili niweze kutumia kifaa hiki cha 3Phase?

Hapana mabadiliko yanafanyika kidogo tu pale kwenye main-switch,na hayana gharama ya ziada!
 
Mkuu, umeulizwa kuhusu Law of Conservation of Energy, Kwamba: [size=+2]'Energy cannot be created or destroyed, but changed from one form into another'[/size].
Mfano: maji yanaweza kuzalisha umeme > Potential Energy to Kinetic Energy, PE+KE = constant; Umeulizwa extra power yako unaipataje?
 

Naomba utumie muda kidogo japo kufahamu nilicho kiandika,Hakuna sehemu niliposema Naongeza energy!

Hicho unacho kiona hapo ni sehemu tu ya mfumo mzima wa mashine!Hapo nimeonyesha sehemu ya namna tu nilivyo igawanya single phase iwe three phase!

Kifaa hiki ni maalaumu kwa ku-boost Voltage iwe katika normal,Kwa kutumia mfumo wa step up transformation(step up Transformer)

Mfano kama phase ina 160v badala ya 230,Nacho kifanya kwanza nitai-step up hiyo voltage then nitaistablelize electronically then in out put nitaigawanya phase hiyo moja iwe three phase.


So ninacho kifanya mimi si kuongeza energy because it is IMPOSSIBLE,nacho fanya mimi ni Ku-ONGEZA VOLTAGE ambayo ime-drop out of normal voltage katika circuit,Baada ya kustep up voltage ndio naigawa katika phase tatu.

Na katika phase hiyo nacho gawa ni ENERGY because it is POSSIBLE to divide ENERGY.



Hili ni swala la Electrical plus Electronics and practical basis!
 

Umesha wahi kutumia stabilizer?

Unaweza kukuta umeme unaoingia kutoka Tanesco kuingia katika Stabilizer yako ni 190V lakini unaotoka ukawa ni 220v!

Je ule umeme ulio ongezeka yaani +30v umetoka wapi?

Jibu ni kwamba step up Transformer ndiyo inafanya kazi ya kuongeza voltage kwa kiwango chochote unacho taka,because it is possible to increse voltage but not Energy!


So due to flactuation ya in-put voltage kutoka Tanesco ndio maana tansformer hii huhitaji electronics system ya kuustablize ule umeme ili kama ikitokea line ya Tanesco umeme umerudi sawa stabilizer iweze kutambua na kuacha ku-step up,ili kuepusha vifaa visije kuungua!

(* mfano ikitokea katika service line husika ambayo ilikuwa na instability ya umeme, wateja wake wote wa hiyo service line wakafunga hiko kifaa, je tatizo la instability ya umeme katika majumba yao litakwisha.?
)

Ndiyo litakuwa limekwisha!Ni sawa na kuniuliza kama kila nyumba wakifunga stabilizer tatizo la umeme ku-flactuate litakua limekwisha katika nyumba zao?
 

Nimekupata mkuu.
Naomba uweke wiring diagram inayoonyesha connection kati ya hicho kifaa chako na TANESCO Mains.
Nataka kupata picha ya kitu unachoongelea.
 


Mkuu hapo nimekusoma kwa minajili hiyo. Maana nilikuwa nahisi vitu vingi sana ikiwemo phase za devices line zako. But if issue ni kustep up voltage, na energy iko palepale constant, means unasacrifice current, otherwise if line imezidiwa load naona no way line itarudi kuwa stable pasipo injection ya energy from outside ya line.

Ama am i missing a point here.? Let me ask in this way, if line inaflactuate umeme kwa kuzidiwa load, naona no means unaweza step up.

As kuna case mbili hapa.
1. Umeme kufluctuate kutokana na line kuzidiwa load
2. Umeme kufluctuate kutokana na production kufluctuate.

Hapa inakuwaje mkuu ikiwa wahusika wote wa line husika wamewasha devices zao ambazo zinasaturate line kwa load kubwa..? Hii device itafanya kazi still.?
 


Step up booster ni sawa na stabilizer katika kufanya kwake kazi.Tofauti ya stabilizer na booster ni kwamba ina uwezo wa ku-boost umeme hata ukishuka kwa kiasi kikubwa mfano even the input voltage decline to the half of normal voltage 115v out of 230v still booster itaweza kuukuza umeme huo na ukatumiaka kama kawaida.


Swali hapa ni kivipi booster inawezaje kukabiliana na extrem low voltage while the truth is that; when the voltage decreases the currents rises.Na kama currents ikiongezeka basi kuna hatari ya transformer kupata moto na kuungua.

Jibu ni kwamba booster inasukwa kwa wire guage aina tofauti kulingana na stage za boosting;hapo ndipo inapo kuja kutofautiana na stabilizer ya kawaida.

Hii ina maanisha kwamba guage wire ya step up stage ya 115V to 230 itakuwa kubwa zaidi ya ile ya 190V to 230V,kwani wakati umeme umeshuka hadi 115 load ile ile itakua inadrain current nyingi due to the decrease of Voltage.

in Transformer, when voltage increases then current decrease because power remains constant…both side power is P=VI
By Ohm's Law, Current (I) is directly proportional to the Voltage (V) if Resistance (R) and Temperature remain same.
I = V/R…..or…R=V/I…..or……V=IR.

According to P=VI…or…I=P/V….or …V=P/I,….. It says that Current inversely proportional to the voltage if power remain same.
as we know that in Transformer, If power remain same, and voltage increase, then current decreases in Step Up Transformer. also Voltage decreases when current increases as in Step Down Transformer.

Kwahiyo kama watu wote wamewasha kila kitu na voltage ya line ikashuka let say to 150Voltage out of 230V bado booster itaweza kuboost voltage na kuendelea kusukuma load ile ile bila kuteteleka kwa sababu itakuwa imebadilisha stage ambayo ina-surport such kind of current.

Booster nazo suka mimi zinaanzia ku-boost umeme kuanzia 110V to 230. with the load maximum of 15kva;and they are completely automatic to theire outputs.


Kama tatizo la kuflactuate linatokana na power plants,hilo ni tatizo dogo ambalo linatatuliwa kilahisi hata na stabilizer ya kawaida because variation of current during such falactuation is very minimal.

 
Nikupongeze Mkuu Transistor kwa kuyajibu maswali kiufundi kabisa.
 
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