1. Some industrial customers require three-phase power at secondary voltages . 2. Secondary voltages have influenced many of the differences in distribution systems.3. The potential of the secondary voltage now flips to negative in the following manner. 4. Exceeding the secondary voltage may also degrade the accuracy of the transformer or even destroy it. 5. The secondary voltage drops to zero. 6. Higher secondary voltages , such as 480 volts, are sometimes required for commercial and industrial uses. 7. How the heck does the upper half get energised for you tap off a stepped-up secondary voltage ? 8. :: : Yeah but in the transformer article it says the pimary current creates a secondary voltage by induction. 9. The power losses are measured by means of a wattmeter method in which the primary current and secondary voltage are used. 10. In the transformer article, it says that the flux in the core cuts the secondary winding to give secondary voltage .
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