3. Power Supply
3.1 Distribution system
. electrical power distribution system is a high-voltage electricity. Prior to lead public houses. Must reduce the pressure drop through the substation, as mentioned above,
this is a very dangerous high voltage insulator, so it must be used. (Pininsutator) acts as an insulator, not to touch the high voltage power line pole insulators are used may
vary depending on usage 3.2. System service calls ........ System service call refers to a system of cables from the power supply to residential houses. Transformers are mounted on poles for industrial use more electricity. It requires large power transformers. Need a particular place (Plot Form) power line service that sends electricity to the consumers. Or on the streets of many systems as follows : 1) single-phase 2-wire the system using 2-line output from the transformer to the power user or the streets of this system is widely used in rural areas that are home. far away And consumes less electricity, 2) single-phase 3-wire electrical system will have a 3-wire cables are used in local power users more. And the larger transformers 3) three-phase 3-wire electrical power system is a three-phase Voltage 380 volt, so the equipment or appliances ..... which is a 3-phase. Power Line 3 Line 4) 3-phase, 4-wire 3-phase, 4-wire system, the electrical system is the second single phase 220 volt and 380 volt 3 phase ..... popular in the city. The growth of local And use a lot of electricity
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