Exemplu de calcul curenti de curtcircuit

Exemplu de calcul curenti de curtcircuit

Fig. 3.11 Shema reactantelor in unitati relative.

1. Calculul reactantei echivalente totale

3. Aportul Sistemului

4. Aportul Motoarelor Sincrone

Se alege din Anexa2:

5. Aportul Total

6. Curentul de oc

7. Puterea de rupere a ntreruptoarelor

8. Efectul termic al curentului de scurtcircuit

Se alege din Anexa2: i

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Fig.16

Fig.17

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Fig.3.12 Transfigurarea .

Fig.18

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Fig.3.13 Schema echivalenta de calcul pentru aportul sistemului si al motoarelor la curentul de scurtcircuit.

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