This compact substation is composed of high-voltage room, transformer room and low-voltage room, which can be arranged in different shape;
With terminal, ring network or dual power supply mode;
It can be made into a single or double transformer power supply scheme;
Oil-immersed power transformer and dry-type power transformeris optional;
The cabinet is equipped with sufficient natural ventilation openings and heat insulation measures to ensure the normal operation of all electrical equipment (forced cooling can be used if required by the user);
The “five defenses” have complete functions, easy operation and maintenance, and safe and reliable operation;
The shell material is stainless steel, aluminum alloy, cold-rolled plate, color steel composite plate, non-metal or a combination of the two, anti-aging, flame-retardant, anti-corrosion, waterproof,dustproof, with long-term outdoor use conditions;
Small size, light weight, beautiful appearance and harmonious environment;
When SF6 load switchgear is selected, the overall size of the box-type transformer is small, which is more suitable for community construction and street lamp engineering renovation.
The network automation terminal (RTU) can be installed in the high-voltage ring network cabinet to realize reliable detection of short circuit and single-phase ground fault, with “four remote” functions, easy to upgrade distribution network automation;
The symbol of this product complies with the standard of GB17467-2010 “High Voltage/Low Voltage Prefabricated Substation”.
Application Condition:
Altitude: ≤2000m
Ambient Temperature: -25℃–40℃ / -13℉–104℉ (monthly average temp ≤ 30℃/86℉;annual average temp ≤ 20℃/68℉)
Notice: please contact us if the application environment is beyond above range.
Technical Parameters:
Ordering Instructions:
Users need to provide the following information when ordering:
Model, capacity, quantity, color and dimension requirements, shell material;
Transformer type, performance, connection group, tap range and impedance requirements;
High and low voltage side primary wiring scheme, component models, specifications and requirements;
Transformer oil (25#, 45#, high ignition point oil);
Network configuration requirements for box-type substations by intelligent power management network or property management;
Use environment requirements.
The foundation endurance requirement is above 1000pa.
The foundation is set on a higher ground, and the surroundings are drained outwards. It is built with 200# cement mortar, mixed with 3% waterproofing agent, and the bottom is slightly inclined to the oil groove(the oil grooveis canceled when it is dry).
The foundation construction should comply with the relevant provisions of JGJ1683 “Technical Regulations for Electrical Design of Buildings”.
The grounding trunk line and the grounding electrode shall be done according to the routine, and the grounding resistance shall be ≤ 4 ohms.
The dimensions in the figure are recommended values.
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