Basic Electrical Installation Work

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What are the advantages connecting three-phase supply: a. Environmentalists often say that steel transmission towers are a ‘blot the landscape’. State the reasons for balancing single-phase loads across three- phase supply. State the standard voltages used for generation, transmission and distribution the United Kingdom.11. delta b. 13. Why continue use steel towers for transmission the National Grid network? 14. . 12. Briefly describe how and why generate three-phase supply compared single-phase supply. Why the distribution from local sub-stations end users, for the most part, underground cables the United Kingdom? 15. star. State the meaning ‘polyphase supply system’. 16. 17