Underground cables

High-voltage Line

Transmission line


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Comparison of D.C. and A.C. Transmission

The electric power can be transmitted either by means of d.c. or a.c. Each system has its own merits and demerits.

1. D.C. transmission.

For some years past, the transmission of electric power by d.c. has been receiving the active consideration of engineers due to its numerous advantages.
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