YB□-12 Prefabricated Substation

Model meaning:

Performance Characteristics

The prefabricated substation uses low-loss, oil-immersed, fully sealed S9, S10, and S11 series transformers, or resin-insulated or NOMEX paper-insulated environmentally friendly dry-type transformers. The transformers can be easily accessed.

The high voltage of prefabricated substations is generally protected by a load switch-fuse combination. After one phase of the fuse is blown, the three-phase linkage trips. The load switches include compressed air and vacuum.Sulfur hexafluoride and other types are optional, and can be equipped with an electric operating mechanism to achieve automation upgrades: the fuse is a high-voltage current-limiting fuse with an impactor, which has reliable action and large breaking capacity.For transformers above 800kVA, vacuum circuit breakers such as ZN12, ZN28, and VS1 can be used for protection.

The main switch on the low-voltage side adopts a universal or intelligent circuit breaker, and the outgoing line switch adopts a new type of plastic case switch, which is small in size, has short flashover and has flexible outgoing wires; an intelligent automatic tracking reactive power compensation device has two types of switches: contactor and non-contact. Cutting method for users to choose.

Normal usage environment

• Altitude: ≤1000m;

• Ambient temperature: -25C~ +40C;

      Highest monthly average temperature:+30°C,

      Highest annual average temperature:+20°C;

• Relative humidity: daily average ≤95%, monthly average ≤90%;

• Shockproof level: horizontal acceleration 0.4m/s, vertical acceleration 0.15m/s;

  
  

The installation location is free of severe impact, serious pollution, chemical corrosion, conductive dust and explosion hazard. When the normal usage conditions cannot be met, the user is asked to negotiate with our company to resolve the issue.

Technical parameter