Estrella secundaria alta a 4 hilos
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18:09
Estrella-Delta alta a 3 hilos
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12:23
Delta-Estrella Baja 4 hilos
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9:45
energía ejercicio 1
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11:20
Delta-Delta baja a 4 hilos
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13:12
Transformador
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14:48
Propiedades delta baja a 4 hilos
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5:17
Wiring up a high pressure sodium lamp circuit with external igniter (without a capacitor)
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9:35