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英语翻译
Modern distribution systems
The modern distribution system begins as the primary circuit leaves the sub-station and ends as the secondary service enters the customer's meter socket.A variety of methods,materials,and equipment are used among the various utility companies,but the end result is similar.First,the energy leaves the sub-station in a primary circuit,usually with all three phases.
The actual attachment to a building varies in different parts of the world.
Most areas provide three phases industrial service.There is no substitute for three-phase service to run heavy industrial equipment.A ground is normally provided,connected to conductive cases and other safety equipment,to keep current away from equipment and people.Distribution voltages vary depending on customer need,equipment and availability.Delivered voltage is usually constructed using stock transformers,and either the voltage difference between phase and neutral or the voltage difference from phase to phase.
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Modern distribution systems
The modern distribution system begins as the primary circuit leaves the sub-station and ends as the secondary service enters the customer's meter socket.A variety of methods,materials,and equipment are used among the various utility companies,but the end result is similar.First,the energy leaves the sub-station in a primary circuit,usually with all three phases.
The actual attachment to a building varies in different parts of the world.
Most areas provide three phases industrial service.There is no substitute for three-phase service to run heavy industrial equipment.A ground is normally provided,connected to conductive cases and other safety equipment,to keep current away from equipment and people.Distribution voltages vary depending on customer need,equipment and availability.Delivered voltage is usually constructed using stock transformers,and either the voltage difference between phase and neutral or the voltage difference from phase to phase.
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