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Why Are High Voltage Lines Used For Transmission. For the same amount of power to transfer , the line current will reduce and so does the current carrying capacity of conductors. This makes the current drawn by the city/town is $i=\frac pv$ and so the higher the transmission line voltage, the smaller the current.
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High voltage transmission lines use a) suspension insulators b) pin insulators c) both (a) and (b) d) none of the above Most hvdc links use voltages between 100 kv and 800 kv. The thickness and material of insulation required for the transmission lines depend on the transmission voltage.
However, A 1,100 Kv Link In China Was.
The thickness and material of insulation required for the transmission lines depend on the transmission voltage. P=iv), which means that to provide a lot of power, you either need a very high current, a very high voltage, or a pretty high level of both. In order to minimize loss, you have to minimize the voltage share of the lines.
The Most Simple Reason Is That Power Lines Have To Supply A Vast Amount Of Electric Power.
It would provide primary and backup protection. Pin insulators are commonly used in power networks up to 33 kv system. The smaller voltage the wires consume, the smaller the loss.
This Reduces The Losses Produced By Heavy Current.
The reduced current capacity will result in the less volume of conductor for a given length. This makes the current drawn by the city/town is $i=\frac pv$ and so the higher the transmission line voltage, the smaller the current. The voltage that a power plant pushes out, is consumed by wires (loss) and a machine (desired).
For Example, It Allows More Efficient Bulk Power Transfer Over Long.
As , the higher the voltage, the lower the current for a same amount of power transmitted. Arcing horn is basically projected conductors used to protect the insulators in high voltage transmission line from damage during flashover. Voltage consumed by the wires is v = r i ( r is resistance of the lines).
The Main Reason For High Voltage Transmission Is To Increase The Efficiency And Keep It Economical.
If the total resistance of the transmission line leading from a power station to you is $r$ and the city/town you're in demands an average amount of power $p$. Since the power needs to be transmitted over long distances, the voltage level of transmitted power is increased to reduce the current to minimize i² r i.e., power losses during transmission. So, the lower the current, the lower the losses in the tranmission line.
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