Part I: Product Overview
The 125kVA 11kV prefabricated substation(European Type) is a set of high-voltage switchgear, distribution transformers and low voltage power distribution equipment, according to a certain wiring diagram to be connected in one of the factory indoor, outdoor compact type distribution equipment, the step-down transformer, low voltage power distribution, and other functions organically combined together, installed in a moisture-proof, rust-proof, dustproof, ratroot, fire prevention, guard against theft, thermal insulation, fully enclosed, movable steel structure, especially suitable for city network construction and retrofit, is the civil substation after the rise of a new substation.
Part II: Product Features
1. Compact structure, small size, safe and reliable operation, easy for maintenance and removable.
2. It is suitable for the lighting and power system of streets, highways, bridges, tunnels, parking lots, residential areas and tourist attractions, especially for urban grid transformation.
3. Power supply safety and reliability: can provide perfect mechanical or electrical linkage, meet the requirement of [five defense", and ensure the safety of the person.
4. Enclosure material is various, design beautiful, under the premise that guarantee the power supply reliability, by selecting the box-type substation shell color, the harmony with the surrounding environment, especially suitable for urban construction.
5. The transformer is mainly ventilated with natural ventilation, and when the temperature of the transformer room exceeds the set temperature, the axial fan on the top automatically starts to control the temperature of the transformer room.
6. The pre-installed transformer substation can be customized according to the user's requirement, so the selection scope is large and the market ability is strong.
7. High degree of automation, protection system using microcomputer integrated substation automation devices, which can realize "four control", namely, telemetry, remote communication, remote control, remote regulating. Each unit has independent operation function and complete relay protection function. The operation parameters can be set from remote distance to control the humidity and temperature of the enclosure and the smoke alarm meeting the requirements of the unattended. Image remote monitoring can be implemented as needed.
Part III: Main Parameter
| Type | Transformer Model | Voltage | Capacity (kV.A) | No Load Loss (kW) | Load Loss (kW) | No-load Current (%) | Short-circuit Impedance (%) | Dimensions LxWxH (mm) |
| H.V (kV) | L.V (kV) |
| ZYB-11/0.4-125 | S11-M-125/11 | 11 | 0.4 | 125 | 0.240 | 1.89 | 1.1 | 4.0 | 2900x2400x 2800 |
| S13-M-125/11 | 0.170 | 1.89 | 1.1 | 4.0 |
| S14-M-125/11 | 0.170 | 1.51 | 1.1 | 4.0 |
| SH15-M-125/11 | 0.085 | 1.89 | 0.8 | 4.0 |
| SC10-125/11 | 0.470 | 1.85 | 1.3 | 4.0 |
| SC11-125/11 | 0.420 | 1.85 | 1.3 | 4.0 |
| SC12-125/11 | 0.375 | 1.85 | 1.3 | 4.0 |
| SC13-125/11 | 0.340 | 1.67 | 1.3 | 4.0 |
Part IV: Outline Drawing
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