Tataiso ea Tšehetso ho K- Liphetho tsa Pherekano: ho hula harmonic distortion

 

Sebaka sa kajeno sa motlakase, sethei sa rona se tletse se-ea- Ha lisebelisoa tsena li matlafatsa katleho le taolo, li tlisa phephetso ea bohlokoa ho sesebelisoa sa motlakase:MaSisonnics. Masynics tsena li ka u sithabetsa le ho senya li-sesuli sa maemo a tšohanyetso, li lebisa ho nako ea phomolo le litšenyehelo tse ngata. Mona ke mooK {{0 0}} FUTTORFERe tla e le tharollo ea bohlokoa. Tataiso ena e tla oela nthong e 'ngoe le e' ngoe eo u hlokang ho e tseba ka litlolo tsena tse khethehileng.

 

1. Ho utloisisa k {{{}} Mamello e lekantsoeng ea pherekano: Tlhaloso le moralo oa mantlha

Ak {{0 0}} FIDS e lekantsoeng e fetisitsoeng ke tšitiso e khethehileng ea ho mamella mocheso o eketsehileng o tsoang ho ea lumellanang. Ho fapana le li-se-feriformers tse tloaelehileng, tse ntlafalitsoeng bakeng sa mojaro oa linear, 60 hz sisumuridal, k}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}

Meetso ea mantlha ea mantlha e behileng k- Liphetoho tsa lefeela ho tsoa ho ba maemo a tloaelehileng:

 

 

Harmonic Harmonic Haryelic le Vertages ba nyenyefatsa boleng ba matla le ho senya lisebelisoa tsa matla ha nako e ntse e tsamaea. Litholoana tsa bona li tloha ka tsela e sa sebetseng hantle liphosong tse bohloko, ha ba fetolela likarolo tse ling tse kotsing e ngata.

 

Ho sebetsana le Harmonic {0 0}] Litaba tse amanang le tsona, maano a mararo a mantlha a sebelisoa, ho latela botebo bo tebileng le litlhoko tsa tsamaiso:

K - Setsi sa	Litšitiso tse tloaelehileng	Ts'ebetso ea Harmonic	Theko (e amanang le maemo a tloaelehileng)
K1	Meroalo e tloaelehileng ea mela: Motors ntle le ho khanna, mabone a Incandescent, ka kakaretso {0} lisebelisoa tsa Morero	Ha ho na li-harmonics (<15% of loads generate harmonics)	Tloaelo
K4	Meroalo ea indasteri: Ho futhumatsa ka mokhoa o potlakileng, ho khanna koloi, drive e nyane ea Ac	Ho fihla ho 50% ea meroalo e hlahisang Harlines (boholo ba 5th / litaelo tsa 7)	Standard + $
K13	Likolo tsa khoebo	50-100% ea meroalo e hlahisang Harminar Harmonics (triplen + 5 TH / 7th)	Standard + $ $
K20	Khoebo e nyarosang: Litsi tsa data, likamore tse nyane tsa seva, lisebelisoa tsa bongaka tse nyane	75-100% ea meroalo e hlahisang Harlines (Diredi tse phahameng tsa Triplen)	Standard + $ $
K30–50	Liiki tse boima / tse mpe: Ho etsa lihlahisoa tse boima (mohlala, li-suites mills), litsi tsa ho buoa, litsi tse kholo tsa data	100% ea meroalo e hlahisang manyolo a tebileng (sinature ea hurmonic e ntle)	Standard + $

K=1: E lekanang le sethala se tloaelehileng (bakeng sa meroalo ea mela feela).

K=4, 13: E atileng haholo bakeng sa tšebeliso ea khoebo / indasteri (chelete e lekanyelitsoeng le ts'ebetso).

K=50: E bolokiloe libakeng tse thata tse thata (mohlala, e theoha ka se phahameng {2 2}}

 

 

Lintho tse khahlang tsa K {0-}} Ka tlase ke lehlakore- ka {{{{-

Tšobotsi	Transfer Transformer (K-1)	K {{0 0}}
Morero oa Morero	Meroalo e hloekileng ea silusuidal (linear)	Eseng {{0 0}} Manear moroalo
Letsoalo la mantlha	Phahameng	Tlase (ho qoba ho ba le maemo)
Mefokolo	Li-comp tse kholo tse tiileng kapa tse fokolang	Nyane, batsamaisi ba bangata ba tsamaeang ka teng
Moqapi oa Neutral	Boholo bo tšoanang kapa mokhanni oa 1x	2xboholo ba mokhanni oa khatiso
Ho sebetsana le ho sebetsana le tsona	E tshosa ka tlas'a meroalo ea Harmonic	Eardin Harmmonic Eddy Edy Tahlehelo ea hona joale
Annaplate	Ha ho k {0 0}} Setsi sa	E tšoailoeng ka ho hlaka k-0}} ho qobella (mohlala, k-13)

 

 

K {- Ka tlase ke libaka tse tloaelehileng ka ho fetisisa tsa kopo, e hlophisitsoeng ke K {3 {3}

K {{{0} Likopo

• Li-indasteri tsa leseli: Limela tse nyane tsa ho etsa lihlahisoa tse futhumetseng tsa boitelo, {{-
• Mabenkele a Mabenkele a Khoebo: Libaka tse nang le mabone a etelletsoeng pele, litsamaiso tsa Main, le litsamaiso tsa sephiri (tse nang le taolo ea elektroniki).

K {{{0} Likopo

• Lipetlele / litleliniking: Libaka tse nang le lisebelisoa tsa bongaka tsa elektroniki (mohlala, x 2}}}}}}-, mechini e tsamaileng)
• Likolo / Liunivesithi: Li-clantos tse nang le likhomphutha, li-cojector le lisebelisoa tsa lab (mohlala, li-centrifiges).
• Meaho ea liofisi: Libaka tse nang le li-cubles (likhomphutha, li-carints), mabone a bohlale, le phapang e fapaneng {0} stumed hcac Fans.

K {{{0} Likopo

• Litsi tsa data (tse nyane {- mahareng): Li-racks tsa seva, litsamaiso tsa UPS, li-ups
• Litsi tsa Bongaka tsa Bongaka: E phahameng {{0 0 0}} Lisebelisoa tsa motlakase (mohlala, lits'oants'o tsa CT) tse hlahisang likhakanyo tse matla tse tloaelehileng.
• Litsi tsa Gyms / Fitness: Matla, li-elliptical le mechine e meng ea boikoetliso e nang le taolo ea elektroniki.

K {{0 0}} - Likopo tse 50

• Indasteri e boima: Limilione tsa tšepe, limela tsa koloi le liahelo le likhakanyo tse kholo (6-pulse kapa "-pulse) bakeng sa motors.
• Litsi tse kholo tsa data: Litlhahiso tsa khatello ea maikutlo le litsamaiso tse likete tsa li-systems tsa li-ups tse buang le litsamaiso tse ngata.
• Lisebelisoa tsa Bongaka tsa Bohlokoa: Suplical Suites, likamore tsa ICU, 'me o na le li-labs tsa Transplant (moo downtime ke koluoa).

 

Mohato oa 1: Hlahloba ea se-Unna -

Qolla bohle bao - BalaPeresente ea batho bao e seng -e amanang le mojaro o felletseng (mohlala, 60% ea sistimi ea 200 ea kva ea 200 ke-.

Mohato oa Bobeli: Sekaseka tšebetso ea Harmonic

Sebelisa tlhahlobo ea boleng ba matla ho lekanya:

• Kholo ea matla a manyolo a Harmonic (mohlala, 20% ea mantlha bakeng sa 5th Harmonic).
• Li-odara tse ka sehloohong (mohlala, li-trices tsa liofisi, 5/7 bakeng sa lifektheri).

Lintlha tsena li tla u thusa ho tsamaisana le K {0 0}} setšoantšo sa hau sa khanyetso.

Mohato oa 3: Nahana ka K {{{}} Litaoana tsa pokello

Sebelisa Tafole ea 1 (Karolo ea 6) e le ntlha ea ho qala:

• Haeba<15% of loads are non-linear: K=1 (standard transformer).
• Haeba 15-50% ha se- holear: K {=4.
• Haeba 50-100% ha se- holear (khoebo): K {=13.
• Haeba 75-100% ha se-

Mohato 4: Nahana ka keketseho ea kabo ea nako e tlang

Holim'a {0 0}} Mohlala, haeba mojaro oa hau oa hona joale o hloka sesupo sa 75 Kva k}

Mohato oa 5: Netefatsa ho latela melao le litekanyetso

Etsa bonnete ba hore Transformer e kopana le tebeletso ea 1561 (Amerika Leboea), Csa C22.2 No {{2} {2} {2} {2} (Canada) Litekanyetso tsena li tiisa hore phetoho ea se fetoletsoeng e lekoa ho sebetsana le maralla a marabele ka polokeho.

 

 

K - Ho lekanya bokhoni ba phetoho ea ho fetola leha e le hore ho na le tahlehelo ea manyonyehang, e baloa ka mokhoa o tloaelehileng o tsoang Ul 1561 / IEEE C57.110.

Foromo ea mantlha

K: K- Setsi (1-50)

h: Harmonic taelo ({0 0}}

: Harmonic hajoale

n: Tafole e phahameng ka ho fetisisa (hangata e ka tlase ho kapa e lekanang le 50, joalo ka litaelo tse phahameng li sa tsotelloe)

 

 

ThD e fetoloa kheloha ho tsoa ka leqhubu le hloekileng la sine (e hlahisitsoeng e le liperesente), li bohlokoa bakeng sa ho lekola boleng ba matla.

12.1 Core foromo (Thd ea hajoale)

​: Ea mantlha ea lichelete;: 2nd / 3rnic hortonanic hortonanic, joalo-joalo, joalo-joalo

12.2 Thd Interpretation & vs. K {{2}

Thd benchmarks: <5% (excellent), 5–10% (acceptable), 10–25% (moderate), >25% (e tebile, e hloka ho tsuba).

Phapang ea Bohlokoa: Thd e lekanya ho khopisa (boleng ba matla bakeng sa lisebelisoa), athe k- Liphetho tsa lefeella