GENERAL ARRANGEMENTS A substation is a combination of switching, controlling and voltage step-down equipment arranged to reduce transmission voltage (69kV and above) to distribution volt. ge
This specification covers design criteria for a customer-owned 138 kV substation connected to the CenterPoint Energy Houston Electric, LLC (CenterPoint Energy) 138 kV transmission system.
All substation elements (transformers, breakers, disconnecting switches etc.) should be electrically connected in accordance with a planned substation arrangement.
Each substation, whether existing or new, can have different configurations or equipment construction depending on what is needed, and to comply with regulations.
PURPOSE: This bulletin provides a basic design guide and a reference tool for designing rural substations. GENERAL: This Bulletin has been revised to bring the publication up to date with latest
Although there are many factors to consider when designing a substation, the main items and basics steps used during the design process will be discussed here for distribution substations.
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For a thorough substation design, you''ll need the following documents: a single-line diagram, a physical layout of the substation, section cuts taken from the physical plant, and wiring
secondary unit substation is a close-coupled assembly consisting of enclosed primary high voltage equipment, three-phase power transformers, and enclosed secondary low-voltage
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