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Usage: | Flying Angle Tower, Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, Branching Tower |
Conductor Circuit: | Multi Circuit |
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Electrical substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.
Between the generating station and consumer, electric power may flow through several substations at different voltage levels.
A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. They are a common component of the infrastructure.
Main equipments in distribution substations:
1. Distribution Transformer
2. Circuit breaker
3. Lightning Arrester
4. Air Break (AB) switches /lsolator
5. Insulator
6. Busbar
7. Capacitor Bank
8. Earthing
9. Fencing
10. Distribution panel board
Product Name | Electrical Power Substation |
Voltage Grade | 10~500KV power substation (10KV, 13.8KV,33KV, 35KV, 66KV, 110KV,132KV, 220KV, 230KV, 330KV, 500KV or Others ) |
Main Equipment | 1. Distribution Transformer 2. Circuit breaker 3. Lightning Arrester 4. Air Break (AB) switches /lsolator 5. Insulator 6. Busbar 7. Capacitor Bank 8. Earthing 9. Fencing 10. Distribution panel board |
Material | Hot Roll Steel Q235, Q345, Q420, Q460, ASTM A527 A36, GR50, GR65, ST-37, ST-44, ST-52, S355JR, S355J2G3, SS41, SS50, SS55 and others equivalent steel material |
Welding | Welding of 15m steel pole complies with AWS D1.1 standard. |
CO2 welding or submerged arc auto methods | |
No fissure, scar, overlap, layer or other defects on the 15m steel pole | |
Internal and external welding makes the 15m steel pole more beautiful in shape | |
Joint | Joint with insert mode, flange mode. |
Base plate | Base plate is square/round/Polygon with slotted holes for anchor bolt and dimension as per client's requirement. |
Galvanization | Hot dip galvanization in accordance with Chinese standard GB/T 13912-2002 and American standard ASTM A123. |
Painting | According to clients' request |
Life Period | More than 25 years, it is according to installing environment |
Certificates | ISO9001-2008 , AAA credit rating, etc |
Steel Grade
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1. High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60 | 2.High strength low alloy structural steels: Q355B which is equivalent with ASTM Gr50 or S355JR | 3. Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR |
General | Chinese Standard | American Standards: |
IEC 60826 - Design criteria of overhead lines IEC 60652 - Loading tests on overhead line structures ISO 1459 - Metallic coatings - Protection against corrosion by Hot Dip Galvanizing ISO 1461 - Hot dip galvanized coatings on fabricated iron and steel articles ISO 12944 - Paint coatings, corrosion protection, and structural steelwork ISO 898-1 - Mechanical properties of fasteners. Part 1-Bolts, Screws and studs ISO 630 - Structural Steels - plates, wide flats, bars, sections and profiles ISO 657 - Hot rolled structural steel plates tolerances on dimensions and shape ISO 7411 - Hexagon Bolts for high strength structural bolting with large width across flats ISO 657-5 - Hot rolled Structural Steel Sections equal and unequal leg angles ISO 7452 - Hot rolled structural steel plates tolerances on dimensions and shape BS EN 50341-1 - Overhead electrical lines exceeding AC 45kV -General Requirements BS 8004 - Code of Practice for Foundations BS 8110 - Structural use of concrete ANSI10-97 - Design of latticed steel transmission structures IEC 60050 (151) - International Electro-technical Vocabulary Part 51 Electrical and Magnetic Devices IEC 60050 (601) - Chapter 601: Generation, transmission and distribution of electricity-General IEC 60050 (601) - Chapter 601: Generation, transmission and distribution of electricity-Operation IEC 60059 - IEC standard current ratings |
GB/T2694-2003 Power Transmission line Steel tower - Technical requirements for manufacturing JGJ81-2002 Technical specification for welding for steel structure of building GB9787-88 Measuring and allowable tolerance for hot-rolled equal angle GB709-88 Measuring and allowable tolerance for hot-rolled plate and strip GB/T699-1999 Quality Carbon Structural Steel GB/T1591-1994 Low alloy high strength structural Steel GB700-88 Carbon Structural Steel GB222-84 Method of sampling steel for determination of chemical composition and permissible variations GB/T228-2002 Method for Tensile testing of metals GB/T232-1999 Method for Bending test of metals GB/T5117-1995 Carbon Welding Rod GB/T5118-1995 Low Alloy Welding Rod GB/T8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T10045-2001 Carbon steel flux cored electrodes for arc welding JB/T7949-1999 Weld outer dimensions for steel construction GB50205-2001 Test Standard for Acceptance of Steel Structure GB/T470-1997 Zinc Ingot GB3098.1-2000 Mechanical properties of fasteners-Part 1:Bolts, screws and studs GB3098.2-2000 Mechanical properties of fasteners-Part2: Nuts, and thread GB3098.3-2000 Mechanical properties of fasteners-Part3: Fastening screw GB/T5780-2000 Helical Bolts Grade C GB/T41-2000 Helical Nuts Grade C GB/T90-2002 Flat Washer Grade C GB/T13912-2002 Metal Coating, Technical Requirement and Test Method for Hot-dip galvanized Metal Parts |
ASTM A394-93 -Specification for steel Transmission Tower, Bolts, Zinc Coated and Bare ASCE 10-97 -Design of latticed steel transmission structures AWS D1.1 -American Welding Society D1,1/D1,1M structural Welding code- Steel ANSI B-182-2 Bolts, nuts and washers dimension ASTM A6/A6M -specification for general requirements for rolled structural steel bars, plates, and sheet piling. ASTM - 6 - General Requirements for delivery of Rolled Steel Plates, Shapes, sheet Piling Bars for structural used ASTM A36/A36-M-97a -specification for Carbon structural steel ASTM A123 / A123M-02 - specification for Zinc (Hot-Dip Galvanized) Coatings on iron and steel products ASTM A143 / A143M-03 -Practise for Safeguarding Against Embitterment of Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embitterment ASTM A153/ A153M-05 -specification for zinc coating (Hot-Dip) on iron and steel hardware ASTM A - 194 - Grade for bolt ASTM A239 -practice for locating the thinnest spot in a zinc (Galvanized) Coating on Iron or Steel Articles ASTM A242 -specification for High-Strength Low-Alloy Structural steel ASTM A307 -Specification for Carbon Steel Bolts and Studs, 60000 PSI Tensile strength ASTM A325 -Specification for structural bolts, steel, Heat treated 120/105 ksi minimum tensile strength ASTM A-325 or A-354 - Galvanized hexagonal head of connection bolt ASTM A325-97 -Specification for High-strength Bolts for structural steel Joints ASTM A384 / A384M-02 -Practise for Safeguarding Against Warpage and Distortion During Hot-Dip Galvanizing of Steel Assemblies. ASTMA - 563 - Class and size of nuts ASTMA - 572 - Chemical composition of steel ASTM A572/A572-97c -specification for High-Strength Low-Alloy Columbium-Vanadium Structural steel ASTMA - 615 - The anchor bolt material ASTM A673 / A673M-07 -Specification for Sampling Procedure for Impact Testing of Structural Steel ASTM B201 -practice for testing Chromatic coating on Zinc and Cadmium surfaces ASCE Manual 72 - Load testing a simple structure |