Customized box-type substation manufacturer
08-18 2025 | By:
Customized box-type substation manufacturer
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Customized box-type substation manufacturer
A box-type substation (abbreviated as box-type substation) is a compact, complete power distribution unit that combines high-voltage switchgear, distribution transformers, low-voltage switchgear, energy metering equipment, and reactive power compensation devices within one or more boxes according to a specific wiring scheme. It is suitable for use in three-phase AC systems with a rated voltage of 10/0.4 kV, serving as a circuit and distributing power.
Compared to European-style box-type substations of the same capacity, American-style box-type substations have a more rational structure. Because European-style box-type substations house the transformer and common high-voltage electrical equipment within the same metal enclosure, the transformer’s room temperature is high, resulting in heat dissipation difficulties and reduced output. Furthermore, the box-type substations utilize common high-voltage load switches, fuses, and low-voltage switchgear, resulting in a larger size. The American-style box-type substation differs structurally from its European counterpart. In terms of layout, the low-voltage compartment, transformer compartment, and high-voltage compartment are arranged in a triangle rather than a “髎” shape. Structurally, this box-type transformer is divided into two parts, the front part is the high and low voltage operating compartment, which includes high and low voltage terminal blocks, load switch operating handle, no-load tap-changing section switch, plug-in fuse, oil level gauge, etc. The rear part is the oil filling tank and heat sink, and the transformer winding, iron core, high-voltage load switch and fuse are placed in the transformer oil tank.
Customized box-type substation manufacturer
| No. | Name | Unit | Data | |
| 1 | Rated voltage | HV | kV | 10、20、35 |
| LV | kV | 0.315～0.5 | ||
| 2 | Ratedcapacity | kVA | 630～5000 | |
| 3 | No-load voltage regulation | ±2×2.5% | ±2×2.5% | |
| 4 | Vectorgrour | Dyn11、Dyn11yn11、Yd11d11 | ||
| 5 | nsulationleve | Lightning impulse withstandvoltage | kV | 75、125、200 |
| Power frequencywithstandvoltage(HV) | kV | 35、55、85 | ||
| Power frequencywithstandvoltage(LV) | kV | 5 | ||
| Secondary controlloop | 2.0 | |||
| 6 | Noiselevel | dB | 60 | |
| 7 | Protection class | Oil tankIP68,high andlowvoltage chamberIP54 |
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