Iji gboo mkpa nke nnukwu ụgbọ mmiri na nnukwu ibu na njikọ akụ na ụba zuru ụwa ọnụ, yana mgbochi nke mmepe akụ na ụba na mmekọrịta ọha na eze na ihe onwunwe na gburugburu ebe obibi na mmepe nke mmepeanya gburugburu ebe obibi na ọdụ ụgbọ mmiri dị n'ụsọ oké osimiri, mmepe na ịmepụta mmiri miri emi. ụzọ na ebe a na-adọba ụgbọala, na nhazi nke ụgbọ njem ụgbọ mmiri na-arụ ọrụ dị ukwuu na arụmọrụ dị elu, ozi na njikwa njikwa na njikwa ọdụ ụgbọ mmiri, mmepe nhazi usoro dabere na njirimara nke ụdị ngwaahịa dị iche iche, nnukwu ọnụ ọgụgụ, ọgụgụ isi na usoro gburugburu ebe obibi bụ akụkụ dị mkpa nke ngbanwe ọdụ ụgbọ mmiri n'ọdịnihu na ihe ọhụrụ.
N'ihi mkpa nke nkesa, e nwere ọnụ ọgụgụ buru ibu nke ụgbọ elu crane ibu na loading ụlọ ọrụ dị ka ọdụ ụgbọ mmiri, na inverters na-arụnyere na ọtụtụ ibu.Ọnụ ọgụgụ dị ukwuu nke ndị na-emegharị ugboro ugboro na-abawanye ọdịnaya kwekọrọ na usoro nkesa ike nke ụlọ ọrụ ọdụ ụgbọ mmiri.Ka ọ dị ugbu a, usoro nhazigharị nke ọtụtụ ndị na-atụgharị ntụgharị na-eji mgbazi ụda isii iji gbanwee ike AC ka ọ bụrụ ike DC, ya mere, ihe nkwekọ emepụtara bụ nke kachasị nke ise, nke asaa na nke iri na otu.Mmebi nke harmonics na petrochemical sistemu ngwanro ka egosipụtara nke ọma na mmebi nke injinịa ike yana njehie nke nha ziri ezi.Nnyocha e mere egosiwo na mmiri na-emekọ ihe ọnụ ga-eme ka mfu ọzọ dị na transformer, nke ga-eme ka ikpo ọkụ dị ọkụ, mee ka ịka nká nke mkpuchi mkpuchi dịkwuo ngwa, na-akpata mmebi mkpuchi.Ịdị adị nke harmonics na-abawanye ike pụtara ìhè ma nwee mmetụta ọjọọ dị ukwuu na arụmọrụ nke transformer.Tụkwasị na nke ahụ, pulse ugbu a nwere mmetụta ọjọọ na-adịghị mma na capacitors, disconnectors na relay protection equipment in the power supply system.Maka ọtụtụ ngwa ule, ezigbo mgbọrọgwụ pụtara square uru enweghị ike tụọ, mana enwere ike tụọ nkezi uru, mgbe ahụ, a na-amụba ebili mmiri nke echiche site na ndeksi dị mma iji nweta uru ọgụgụ.Mgbe harmonics dị oke njọ, ọgụgụ ndị dị otú ahụ ga-enwe nnukwu mgbanwe, na-ebute mgbanwe nha.
Nsogbu ị nwere ike izute?
1. Malite nsogbu nke ụgbọ elu cranes dị iche iche na nfuli
2. Onye ntụgharị ugboro ugboro na-emepụta ọnụ ọgụgụ dị ukwuu nke harmonics, nke na-emetụta ọrụ nchekwa nke ngwa eletriki nke usoro ahụ.
3. Reactive ike ntaramahụhụ kpatara site na ala ike ihe (dị ka ike ihe na-akpata mmiri na ọkụ eletrik usoro mmezi nke Ministry of Water Resources na Electric Power nke ụlọ ọrụ anyị na Price Bureau nke ụlọ ọrụ anyị);
Ihe ngwọta anyị:
1. Wụnye HD elu-voltaji reactive ike akpaka akwụ ụgwọ akụrụngwa na 6kV, 10kV ma ọ bụ 35kV n'akụkụ nke usoro iji kwụọ ụgwọ reactive ike nke usoro, melite ike ihe, chepụta irè reactance ọnụego, na akụkụ na-akpaghị aka ịchịkwa pulse ugbu a. nke usoro;
2. The elu-voltaji n'akụkụ nke usoro na-eji a ike àgwà ike ike ike mgbake usoro dynamically akwụghachi reactive ibu na ozugbo na ịnọgide na-enwe ntụkwasị obi nke ike àgwà nke usoro;
3. The nọ n'ọrụ nyo Hongyan APF akpaka akara usoro usu ugbu a arụnyere na ala voltaji 0.4kV n'akụkụ, na static data nche akwụ ụgwọ akụrụngwa Hongyan TSF akwụ ụgwọ usoro software reactive ibu họrọ ka mma ike ihe.
Oge nzipu: Eprel-13-2023