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The three types are
Line to ground faults
line to line fault
double line to ground fault
three phase line to ground fault
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∙ 15y ago
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What is EHV lines?
EHV lines are type of electrical lines commonly used for experimentation in physics. They stand for 'Extra High Voltage' lines.
Why twin moose conductor used in EHV Lines?
The twin moose type of conductor has by far the greatest diameter of any conductor. This allows it to carry more voltage than other types without melting or shorting. Therefore, it is the approved type of conductor for extra high voltage lines.
What is LILO in electrical transmission?
LILO is Line In Line Out. If a new EHV substation is inserted between two existing substaions, the transmission line for new inserted EHV substation is called LILO i.e. Line In Line Out. When a transmission line is passing nearby to a substation or generation station to tap it, the system used is called LILO. While using this system , one bay is required for incomer and the other is outgoing. The power is drawn or added as per requirement. It may also be called Loop In Loop OutSP.
What is mean of EHV substation?
Extra High Voltage substation. It generally 132 kv or higher
What is the voltage of high tension electrical transmissions towers?
Usually HV is 33KV and 66KV, EHV is 132KV, 220KV and 400KV and UHV is 800KV and 1200KV
What is EHV lines?
EHV lines are type of electrical lines commonly used for experimentation in physics. They stand for 'Extra High Voltage' lines.
What is EHV transmission?
EHV = Extra High Voltage. To quote from the Wikipedia article (see link) "...this refers to equipment designed for more than 345,000 volts between conductors." Put simply - EHV transmission is the 'national grid' power system.
What is the distance between the EHV lines and earth?
14 m
What is the distance between two ehv lines?
14 m
Is tin foil flamable?
That's what they say so it is!
Factor on which the insulation of ehv lines depends?
it depands on switching overvoltage or lightening overvoltage.
Need of ehv transmission lines?
Carry electrical power over extremely long distanceswith minimal I2*R losses. The higher the line voltage the lower the current the line has to carry to transmit the power from source to load.
Why twin moose conductor used in EHV Lines?
The twin moose type of conductor has by far the greatest diameter of any conductor. This allows it to carry more voltage than other types without melting or shorting. Therefore, it is the approved type of conductor for extra high voltage lines.
Are shunt reactors used in nuclear reactors?
Answer 1. The only shunt reactors I know are used on transmission lines to alter power factor. This is nothing to do with the nuclear reactor in a power plant.Answer 2. I agree. Shunt reactors are use on transmission line and EHV to boost voltage, to generate VARs and for power factor correction.
What is EHV?
EHV - EXTRA HIGH VOLTAGE - STARTING 500 KILOVOLTS IN UP (500,000 VOLTS)
Twin moose acsr for 220 kv ehv line current carrying capacity?
220 KV lines used in Kerala have a capacity of 880 Amps
Distance between ehv lines?
The distance between high voltage lines is governed by either a switching impulse voltage or lightning impulse voltage. The distance between lines, or lines and tower must have a high enough dielectric strength to avoid flashover at these voltage. Air can withstand a voltage of 3kv/mm.
