Product classification
SMD underground transformer
SMD Buried Transformer
- Details
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- Commodity name: SMD underground transformer
Underground transformer is a compact power distribution facility that installs transformers, protective fuses, etc. in the same oil tank. Underground transformer is a transformer that can be installed in a pit and can meet the needs of single-ring network high-voltage power supply. It is suitable for long-distance, small-load high-voltage output systems such as roads, bridges, airports, tunnels, and scenic spots.
Product Introduction
Underground transformer is a compact power distribution facility that installs transformers, protective fuses, etc. in the same oil tank. Underground transformer is a transformer that can be installed in a pit and can meet the needs of single-ring network high-voltage power supply. It is suitable for long-distance, small-load high-voltage output systems such as roads, bridges, airports, tunnels, and scenic spots.
Model Meaning
S 口 M - D - 口 / 口 Three-phase Performance level code Fully sealed Buried Rated capacity
(kVA)
High voltage side rated
Voltage(kV)
Conditions of use
• Altitude not exceeding 1000M
• Ambient temperature +40°C
• Low temperature -25°C
• Daily average temperature +30°C
• Annual average temperature +20°C
• Pit operation conditions: water immersion exceeds the transformer top cover plane by 1 meter, and operation can reach 120 days
"Note: According to user needs, the ring network type geographic transformer can add a four-position load switch, and the terminal type can add a two-position load switch.Main technical parameters
Rated voltage
(kVA)
Voltage combination and tapping range Link group label Loss(KW)
No-load current(%) Short circuit impedance(%) high pressure(kV) High voltage tapping range% Low pressure(KV) No load Load 30 6
6.3
6.6
10
10.5±2×2.5or±5 0.4 Dyn11orYyno 100 600 1.2 4.0 50 135 870 1.1 63 155 1040 1.1 80 175 1200 1.1 100 205 1500 1 125 240 1750 1 160 275 2100 1 200 330 2500 1 250 400 2950 0.9 315 475 3500 0.9 400 570 4200 0.9 500 680 5000 0.8 630 805 6000 0.8 4.5 800 980 7200 0.8 1000 1155 1000 0.7 1250 1365 11800 0.7 1600 1645 14000 0.6
| About Huarui Power

The initial factory of Cangzhou Huarui Transformer Co., Ltd. was born in 1989. After developing and growing, it integrated resources and registered a company in July 2004. It is located in Cangzhou City, Hebei Province, which is known as "the first in the world in the hometown of martial arts.
Huarui Power, a high and low voltage power expert, and a supplier of optical storage and charging solutions, is a high-tech enterprise integrating R & D, design, manufacturing, product sales and service operations. It is a qualified supplier of State Grid, a qualified supplier of Sinochem Group, a qualified supplier of China's military enterprises, and the first brand of transformer in Cangzhou.
Huarui Power, its products cover energy-saving distribution transformers, box-type substations, high and low voltage complete sets of electrical equipment, power distribution automation, high-voltage cable branch boxes, etc., provide professional solutions for different industries and fields, and provide a variety of customized power consumption solutions according to the characteristics of customers' power consumption. The products are used in distribution networks and new energy projects, rail transit, metallurgy, petrochemical, real estate and other fields in all provinces and regions across the country.
| Enterprise Strength
Huarui Electric Power
Distribution transformer
Electrical equ
| Product Messages
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