Standards used in the drawing up of this technical guide. How to study column with cross section in foundation drawing duration. Design guide for rural substations usda rural development. Civil design and drawings for substations foundation and. The total volume of oil in a power transformer is the summation of oil in litres in the main tank, cooling radiators, tap changer and the oil conservator. Guidelines for substation and power distribution systems. The manual lists up the minimum details required in drawings and can be used as a check. Draft may 29, 2015 sean jessup, pe dan dolan, pe final july 20, 2015 sean jessup, pe dan dolan, pe. B standard designs transmission lines typical details for dead end tees 109. Foundation bolts shall be under the scope of transformer supplier.
This oil catch pit is constructed around the transformer foundation. Generally, the primary winding of a transformer is connected to the input voltage supply and converts or transforms the electrical power into a magnetic field. Covers switch, arrestor, and instrument transformer specification and application. Substation work, equipments data, operational manual, etc for the owners. Transformers greenbook concrete pad for threephase, loopstyle, padmounted transformers 045292 page 2 of 8 rev. In other words, for a transformer there is no direct electrical connection between the two coil windings, thereby giving it the name also of an isolation transformer. Offshore substation design development of standards. How to draw footing foundation of wall in autocad civil construction. Covers the design of the ground grid for safety and proper operation. Conductor, gtps aaa panther conductor, drawingsconductor2011. When previously designing transformer foundations, the information i first obtained was. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. A standard designs transmission typical details for optical ground wire splice structures 110. Transformer pull out direction shall be marked in line with ga foundation bolt shall be part of bom.
Covers switch, arrestor, and instrument transformer. Substation standard civil works footings ergon energy. A standard microwave tower 20 ft monopole foundation auger and pad type. Technical guide the mvlv transformer substations abb group. Manufacturers proposed specifications for the electrical service equipment. B substation standards transformer platforms steel design and details. Consultants of civil design and drawings for substations foundation and oil pit for transformer, switch yard surface water drainage layout, foundations. Covers general issues related to site design, foundation design and control house design. Transformer foundation design using reinforced concrete. How to draw footing foundation of wall in autocad civil. There may be more structures required and variable foundation elevations. Illustrations of typical service equipment and installations are shown in this section as an aid to interpretation of these electric service requirements. Foundation transformer dwg detail for autocad designs cad. Backfill with clean, nonexpansive soil compacted to 90% of maximum density.
Mounting and handling of current and voltage transformers. Transformer is the heaviest equipment in the switchyard. Covers the design of bus support structures and connectors. Soil shall be placed in layers not more than 8 inches thick before compaction. It needs an elaborate design calculation to decide the concrete foundation for it. Civil design and drawings for substations foundation and oil pit.