17.11. Briefly describe how and why generate three-phase supply
compared single-phase supply. delta
b.
.
16. State the standard voltages used for generation, transmission and
distribution the United Kingdom. State the reasons for balancing single-phase loads across three-
phase supply. What are the advantages connecting three-phase supply:
a.
13. Environmentalists often say that steel transmission towers are a
‘blot the landscape’. Why continue use steel towers for
transmission the National Grid network?
14. State the meaning ‘polyphase supply system’. star. Why the distribution from local sub-stations end users, for the
most part, underground cables the United Kingdom?
15.
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