Insulated and covered conductor systems :for low & medium voltage over head distribution lines
By: Agarwal, harish Kr
.
Contributor(s): Barua, Pradip.
Publisher: Mumbai Chary Publications 2011Edition: Vol.51(9), Sep.Description: 78-84p.Subject(s): Electrical EngineeringOnline resources: Click here
In:
Electrical IndiaSummary: Overhead distribution systems can be categorized into tow broad heads based on voltage rating and insulation system. Distribution system based on voltage rating is broadly either low voltage (upto 1.1KV) or medium voltage (upto 36 kV). Transmission and sub-transmission of power is done at higher voltages. Voltage between 33 kV & about 230 kV, called high voltage are used for sub-transmission & transmission of power. Voltage leavel above 230 kv upto about 800 kv is called EHV or extra high voltage and voltage level above 800 kv is called UHV or ultra high voltage. We naow also have HVDS systems where lines right upto consumer's small single phase transformers are run at medium voltage. In this system, LV right upto consumer's small single phase transformers are run at medium voltage.
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Overhead distribution systems can be categorized into tow broad heads based on voltage rating and insulation system. Distribution system based on voltage rating is broadly either low voltage (upto 1.1KV) or medium voltage (upto 36 kV). Transmission and sub-transmission of power is done at higher voltages. Voltage between 33 kV & about 230 kV, called high voltage are used for sub-transmission & transmission of power. Voltage leavel above 230 kv upto about 800 kv is called EHV or extra high voltage and voltage level above 800 kv is called UHV or ultra high voltage. We naow also have HVDS systems where lines right upto consumer's small single phase transformers are run at medium voltage. In this system, LV right upto consumer's small single phase transformers are run at medium voltage.
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