110kV and 66kV Series Voltage-Regulating Power Transformers
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Product Description
- 产品描述
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The 110kV three-phase oil-immersed on-load tap-changing power transformer has undergone a series of significant innovations in materials, processes, and structure. It features a compact size, light weight, high efficiency, low losses, low noise, and reliable operation. This transformer can substantially reduce grid losses and operating costs, yielding remarkable economic benefits. It is suitable for use in power plants, substations, large industrial and mining enterprises, and other similar facilities.
This product complies with the following national standards: GB1094.1-1996 "Power Transformers—Part 1: General Requirements"; GB1094.2-1996 "Power Transformers—Part 2: Temperature Rise"; GB1094.3-2003 "Power Transformers—Part 3: Insulation Levels, Insulation Tests, and Air Clearances for External Insulation"; GB1094.5-2003 "Power Transformers—Part 5: Withstand Capability to Short-Circuit Currents"; and GB/T6451-2008 "Technical Parameters and Requirements for Three-Phase Oil-Immersed Power Transformers."
Main Technical Parameters
Main Technical Parameters of 66kV-Class Three-Phase Double-Winding Non-Excitation Voltage-Regulating Power Transformers—S(F)9, S(F)10, and S(F)11 Series
Rated Capacity (kVA) High-voltage (kV) High-voltage tap range Low-voltage (kV) Connection Group Designation Short-circuit impedance (%) No-load loss (W) Load loss (W) No-load current (%) S(F)9 S(F)10 S(F)11 S(F)9 S(F)10 S(F)11 6300 63, 66, 69 ±2 × 2.5% 6.3, 6.6, 10.5, 11 YNd11 9 9.5 8.5 7.5 36 34 34 0.63 8000 11.4 10.2 9 42.8 40.4 40.4 0.63 10000 13.5 12.1 12.1 50.4 47.6 47.6 0.75 12500 15.9 14.2 12.6 59.9 56.5 56.5 0.53 16000 19.1 17.1 15.1 73.5 69.5 69.5 0.49 20000 22.6 20.3 17.9 89.1 84.2 84.2 0.49 25000 26.7 23.9 21.1 105.3 99.5 99.5 0.42 31500 31.8 28.4 25.1 126.9 120 120 0.42 40000 38 34 30 148.5 140.3 140.3 0.39 50000 44.9 40.1 35.4 184.5 174.3 174.3 0.39 63000 53.3 47.7 42.1 222.3 210 210 0.39
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The company primarily engages in the manufacturing and sales of various types of power transmission equipment, including 35 kV and below resin-encapsulated dry-type transformers, oil-immersed transformers, special-purpose transformers, and high- and low-voltage substations.
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