WEG-curso-dt-5-caracteristicas-e-especificacoes-de-geradores-artigo-tecnico-portugues-br
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DT-5 - Características e Especificações <strong>de</strong> Geradores<<strong>br</strong> />
Graus <strong>de</strong> Proteção<<strong>br</strong> />
Velocida<strong>de</strong><<strong>br</strong> />
Nominal<<strong>br</strong> />
(rpm)<<strong>br</strong> />
Potência Nominal<<strong>br</strong> />
da Máquina<<strong>br</strong> />
kW ou kVA<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
n 960<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
960 < n 1320<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
1320 < n <<strong>br</strong> />
1900<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
1900 < n <<strong>br</strong> />
2360<<strong>br</strong> />
Nível <strong>de</strong> Potência Sonora dB(A)<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
2360 < n <<strong>br</strong> />
3150<<strong>br</strong> />
IP22<<strong>br</strong> />
IP23<<strong>br</strong> />
IP44<<strong>br</strong> />
IP55<<strong>br</strong> />
3150 < n<<strong>br</strong> />
3750<<strong>br</strong> />
1 < P 1,1 73 73 76 76 77 78 79 81 81 84 82 88<<strong>br</strong> />
1,1 < P 2,2 74 74 78 78 81 82 83 85 85 88 86 91<<strong>br</strong> />
2,2 < P 5,5 77 78 81 82 85 86 90 89 93 93 95<<strong>br</strong> />
5,5 < P 11 81 82 85 85 88 90 90 93 93 97 97 98<<strong>br</strong> />
11 < P 22 84 86 88 88 91 94 93 97 96 100 97 100<<strong>br</strong> />
22 < P 37 87 90 91 91 94 98 96 1sv00 99 102 101 102<<strong>br</strong> />
37 < P 55 90 93 94 94 97 100 98 102 101 104 103 104<<strong>br</strong> />
55 < P 110 93 96 97 98 100 103 101 104 103 106 105 106<<strong>br</strong> />
110 < P 220 97 99 100 102 103 106 103 107 105 109 107 110<<strong>br</strong> />
220 < P 550 99<<strong>br</strong> />
550 < P 1100 101<<strong>br</strong> />
1100 < P 2200 103<<strong>br</strong> />
2200 < P 5500 105<<strong>br</strong> />
102<<strong>br</strong> />
98*<<strong>br</strong> />
105<<strong>br</strong> />
100*<<strong>br</strong> />
107<<strong>br</strong> />
102*<<strong>br</strong> />
109<<strong>br</strong> />
104*<<strong>br</strong> />
* Máquinas com refrigeração a água.<<strong>br</strong> />
103<<strong>br</strong> />
106<<strong>br</strong> />
108<<strong>br</strong> />
110<<strong>br</strong> />
105<<strong>br</strong> />
100*<<strong>br</strong> />
108<<strong>br</strong> />
103*<<strong>br</strong> />
110<<strong>br</strong> />
105*<<strong>br</strong> />
112<<strong>br</strong> />
106*<<strong>br</strong> />
106<<strong>br</strong> />
108<<strong>br</strong> />
109<<strong>br</strong> />
110<<strong>br</strong> />
108<<strong>br</strong> />
102*<<strong>br</strong> />
111<<strong>br</strong> />
104*<<strong>br</strong> />
113<<strong>br</strong> />
105*<<strong>br</strong> />
115<<strong>br</strong> />
106*<<strong>br</strong> />
106<<strong>br</strong> />
108<<strong>br</strong> />
109<<strong>br</strong> />
111<<strong>br</strong> />
109<<strong>br</strong> />
102*<<strong>br</strong> />
111<<strong>br</strong> />
104*<<strong>br</strong> />
113<<strong>br</strong> />
105*<<strong>br</strong> />
115<<strong>br</strong> />
107*<<strong>br</strong> />
107<<strong>br</strong> />
109<<strong>br</strong> />
110<<strong>br</strong> />
112<<strong>br</strong> />
111<<strong>br</strong> />
102*<<strong>br</strong> />
112<<strong>br</strong> />
104*<<strong>br</strong> />
113<<strong>br</strong> />
105*<<strong>br</strong> />
115<<strong>br</strong> />
107*<<strong>br</strong> />
107<<strong>br</strong> />
111<<strong>br</strong> />
112<<strong>br</strong> />
114<<strong>br</strong> />
113<<strong>br</strong> />
105*<<strong>br</strong> />
116<<strong>br</strong> />
106*<<strong>br</strong> />
118<<strong>br</strong> />
107*<<strong>br</strong> />
120<<strong>br</strong> />
109*<<strong>br</strong> />
Tabela 6.6.1 - Nível <strong>de</strong> potência sonora em dB(A) conforme IEC 60034-9 e NBR 7565.<<strong>br</strong> />
6.7. VIBRAÇÃO<<strong>br</strong> />
As normas <strong>de</strong>finem limites <strong>de</strong> vi<strong>br</strong>ação máximos para<<strong>br</strong> />
as máquinas.<<strong>br</strong> />
A tabela 6.7.1 indica valores admissíveis para a<<strong>br</strong> />
amplitu<strong>de</strong> <strong>de</strong> vi<strong>br</strong>ação conforme Normas IEC<<strong>br</strong> />
60034-14 e ABNT-NBR 7094, para as diversas<<strong>br</strong> />
carcaças em dois graus: Normal e Especial.<<strong>br</strong> />
Grau<<strong>br</strong> />
<strong>de</strong><<strong>br</strong> />
Vi<strong>br</strong>ação<<strong>br</strong> />
A<<strong>br</strong> />
Normal<<strong>br</strong> />
Montagem<<strong>br</strong> />
Valores Limites da Amplitu<strong>de</strong> <strong>de</strong> Vi<strong>br</strong>ação em Deslocamento,<<strong>br</strong> />
Velocida<strong>de</strong> e Aceleração (rms):<<strong>br</strong> />
Carcaças 56 a 132 Carcaças 132 a 280 Carcaças 280 e acima<<strong>br</strong> />
Desloc.<<strong>br</strong> />
(m)<<strong>br</strong> />
Veloc.<<strong>br</strong> />
(mm/s)<<strong>br</strong> />
Acel.<<strong>br</strong> />
(mm/s 2<<strong>br</strong> />
)<<strong>br</strong> />
Desloc.<<strong>br</strong> />
(m)<<strong>br</strong> />
Veloc.<<strong>br</strong> />
(mm/s)<<strong>br</strong> />
Acel.<<strong>br</strong> />
(mm/s 2<<strong>br</strong> />
)<<strong>br</strong> />
Desloc.<<strong>br</strong> />
(m)<<strong>br</strong> />
Veloc.<<strong>br</strong> />
(mm/s)<<strong>br</strong> />
Suspensão livre 25 1.6 2.5 35 2.2 3.5 45 2.8 4.4<<strong>br</strong> />
Acel.<<strong>br</strong> />
(mm/s 2<<strong>br</strong> />
)<<strong>br</strong> />
Rígida 21 1.3 2.0 29 1.8 2.8 37 2.3 3.6<<strong>br</strong> />
B<<strong>br</strong> />
Especial<<strong>br</strong> />
Suspensão livre 11 0.7 1.1 18 1.1 1.7 29 1.8 2.8<<strong>br</strong> />
Rígida - - - 14 0.9 1.4 24 1.5 2.4<<strong>br</strong> />
Grau A – Aplica-se para máquinas sem requisitos especiais <strong>de</strong> vi<strong>br</strong>ação.<<strong>br</strong> />
Grau B – Aplica-se para máquinas com requisitos especiais <strong>de</strong> vi<strong>br</strong>ação. Montagem rígida não é consi<strong>de</strong>rada aceitável para<<strong>br</strong> />
máquinas com carcaça menor que 132.<<strong>br</strong> />
Tabela 6.7.1 - Limites <strong>de</strong> vi<strong>br</strong>ação conforme IEC 60034-14.<<strong>br</strong> />
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