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How do I understand which of the 132 or the 230 kV grid line?
One question for many is how do I understand which one is 132 or which is a 230-kilowatt grid line ???
The answer is very simple. Today I will share with you a technique. From the moment you see the power grid tower, you can understand how many volts there are.
- First of all, the larger the insulator size, the higher the voltage.
- Then the height of the tower is also a factor.
- There is still a formula for convincing understanding. That is,
No of insulators = KV / 11√3
Suppose the voltage of any transmission line is 132KV
So,
No. of insulators = 132/ 11√3 = 6
That is, if there are 5 insulators on the transmission line, that is a 32kV line.
Now the question is why divided with 11√3 ??
To take the Phase Voltage, the 32kV line volt is divided by root 3. And the insulators on the transmission line are suspension/strain type insulators where each insulator can withstand stress at 11KV.
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