Ụda ụda dị na mmiri na mmiri -

Jun 10, 2025

Hapụ ozi

 

Ụda ụda dị na mmiri na mmiri -

 

Audible sound levels

Ndubata

 

Nnukwu ụda ụda na mmiri na-abanye na mmiri -}}} fronts bụ akụkụ dị oke mkpa nke arụmọrụ ha na mmetụta gburugburu. Mgbanwe ndị a, juputara na mmiri na-egbochi mmanụ ma ọ bụ nke ọzọ dielctric, mepụta magneTostosTr na isi eriri na-eme ihe na ikuku. Dịka ike sistemu ike na-agbasa na ọnọdụ gburugburu ebe obibi na-abawanye ụba, nghọta na ịchịkwa mkpọtụ transformer enwetala mkpa dị mkpa. Likeda ụda na-akpata ike na-eduga na mkpesa obodo, nhazi na-adịghị na ya, ma gosipụta ihe ndị metụtara arụ ọrụ nwere ike imetụta ntụkwasị obi nke nwere ike imetụta ntụkwasị obi na-agbanwe agbanwe. Akwụkwọ a na-enyocha isi mmalite, nha anya, ma na-emetụta ihe ndị na-eme mkpọtụ na mmiri -}}}}}} Ghan reagides na usoro mkpọtụ ma bulie nkwado arụmọrụ.

1.Na nke ụda

  • Maggetastostos: isi akwara na-agbasa na nkwekọrịta ugboro abụọ (100 60hz sistemụ (dịka, 200hz, 300Hz). Nke a na-achịkwaghị - Izu mkpọtụ.
  • Ngwurugwu na-eme mkpọtụ: ndị agha lorenz site na ibu nke ugbu a na-eme ka ihe ịma jijiji na-eduzi, na-enwe ugboro ugboro na ọtụtụ ya na ọtụtụ ya.
  • Cooling System: Oil pumps (flow noise + mechanical friction) and fans (air turbulence) add high-frequency noise (>500hz) na-amanye ụdị mma.
  • A na-ejikwa akụkụ ahụ: akụkụ a na-apụ apụ, bolts, ma ọ bụ ọta magnetik nwere ike imegharị ya na ugboro ole, na-akpata ụda na-adịghị mma (dịka, ụrọ).

transformer noise

2. Ọkwa ụda

Tebụl1. 30 - 6300}}} KVA

Ikike ikike / voltata

(kva / kv)

ọkwa ụda   info-45-40/ db (a)

Mmanụ eke nke eke(Onan)

A na-amanye mmanụ ikuku

(Ohaf)

30~63/6~35

44

-

80~100/6~35

48

-

125~160/6~35

49

-

200~250/6~35

51

-

315~400/6~35

53

-

500~630/6~35

54

-

800~1000/6~63

57

-

1250~2000/6~63

59

-

2500/6~63

60

-

3150/6~63

61

-

4000/6~63

62

-

5000/6~63

63

-

6300/10~63

64

-

8000/35~63

65

73

10000/35~63

66

73

12500/35~63

66

73

16000/35~63

68

75

20000/35~63

71

75

25000/35~63

71

77

31500/35~63

75

78

40000~63000/35~63

-

78

 

Tebụl2. 6300} ~ 120000 kva, oke ọkwa dị mma maka mmanụ -}} larịị na 110 kV larịị

Ikike ikike / voltata

(kva / kv)

ọkwa ụda   info-45-40/ db (a)

Mmanụ a na-eke ikuku (Onen) ma ọ bụ mmanụ na-amanye mmanụ manyere (nke

A na-amanye mmanụ ikuku

(Sif) ma ọ bụ mmanụ a na-amanye ikuku

6300

66

-

8000

67

74

10000

68

75

12500

68

75

16000

70

76

20000

73

77

25000

73

78

31500

75

79

40000

76

79

50000

77

79

63000

78

80

90000

79

80

120000

80

80

 

Tebụl3. 31500} ~ 360000 kva, oke ọkwa dị mma maka mmanụ -}} larịị na 220 kV larịị

Ikike ikike / voltata

(kva / kv)

ọkwa ụda    info-45-40/ db (a)

Mmanụ a na-eke ikuku (Onen) ma ọ bụ mmanụ na-amanye mmanụ manyere (nke

A na-amanye mmanụ ikuku

(Sif) ma ọ bụ mmanụ a na-amanye ikuku

31500

78

80

40000

78

80

50000

80

82

63000

80

83

90000

82

85

120000

83

85

150000

84

86

180000

84

86

240000

85

87

300000

85

88

360000

85

89

 

3. Ihe na-emetụta ọkwa ụda

  • Isi iheAmorapphous cores cores dị jụụ karịa silicon ọdịnala.
  • Ibu Ibu ugbu a: Elu ibu dị elu na-abawanye mkpọtụ (ọ na-abụkarị site ~ 2-4 DB na ibu zuru oke).
  • Usoro jụrụ oyi: ONAN (Okike eke ikuku) dị jụụ karịa Omaf / nke mmanya (mmachi).
  • Nchọpụta tank: Skiffening, olu mara mma, na mkpuchi na-ada ụda.
  • Echichi: A na-etinye na mgbochi-} ma ọ bụ ihe mgbochi nwere ike belata mkpọtụ a na-ebugharị.

 

4. Usoro MITUP

  • Core imewe: Obere - magtosttation ígwè ma ọ bụ nzọ ụkwụ - na nkwonkwo nkuku na-ebelata.
  • Ihe mgbochi dị mma: Acoustic ma ọ bụ Tank -}}}
  • Ibepu mkpofu: Mwepu usoro.
  • Ikike nchekwa mmanụ: Kwesịrị ekwesị na-akachasị mkpọtụ na-egbutu mkpọtụ ma ọ bụ mmalite gas.

 

5. Standards & nnwale

  • IEC 60076-10: Na-akọwa ụzọ nha nha maka ntụgharị.
  • Ieee C57.12.90 & C57.154: Nye ntuziaka maka oke mkpọtụ na North America.
  • Iwu obodo: Ọtụtụ mpaghara na-etinye oke mkpọtụ (dịka,<65 dB(A) at 1 m for residential areas).

 

6. Nhazi & nnwale

  • A na-atụle ọkwa nrụgide dị na akara (DB) site na ijiA -(DB (a)) iji gosipụta uche na-ege mmadụ ntị.
  • A na-eduzi ule na-enweghị {0} ibu na ibu dị elu.
  • Nwalee nsogbu: Ogologo ihe ubi n'enweghi mgbazi ntụgharị uche nwere ike ịnwe njehie 3-5.

 

Mmechi

Mmiri-}}}}}} DAPMIFORER NSOGBU NIILE NA-EKWUPUTA N'AGBANWE, na uda di nma. Maka ngwa dị oke mkpa (dịka, ndị ogbu bekee), na-akọwapụta -}}}}} na-atụgharị mkpọtụ nwere ike ịdị mkpa.

 

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