Popular Design for New Transformer Substations Ring Main Unit 17.5kv Box-Type Substation

Short Description:

The SS series gas-fully insulated, compact ring main unit is SF6 gas-insulated medium-voltage switchgear independently developed by Seven Stars Electric. The product adopts a modular design that can be arbitrarily arranged according to different design schemes and is a perfect combination of a common box unit and an extended unit, which can satisfy the needs of various secondary substations for the flexible use of compact switchgear.
The SS series switchgear devices are fully sealed systems, with all live parts and switches enclosed within stainless steel enclosures. They are immune to environmental influences and provide reliable operation. The products are characterized by compact structure, maintenance-free operation, and long lifespan, meeting the requirements for both indoor and outdoor operation. The products have passed the type test certification of the national-level High Voltage Apparatus Testing Center and are widely used in various fields including distribution substations, box-type switchgear, industrial and mining enterprises, airports, railways, commercial areas, high-rise buildings, highways, subways, tunnels, and harsh environmental conditions.

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Product Detail

Our organization has been focusing on brand strategy. Customers’ gratification is our greatest advertising. We also source OEM provider for Popular Design for New Transformer Substations Ring Main Unit 17.5kv Box-Type Substation, Since establishment during the early 1990s, now we have setup our sale network in USA, Germany, Asia, and several Middle Eastern countries. We purpose to generally be a top class supplier for worldwide OEM and aftermarket!
Our organization has been focusing on brand strategy. Customers’ gratification is our greatest advertising. We also source OEM provider for China Substation and Transformer Substation, We firmly think that we now have the full capability to give you contented merchandise. Wish to collect concerns within you and build a new long-term synergy romantic relationship. We all significantly promise:Csame excellent, better selling price; exact selling price, better quality.

★ GB 1984 High voltage AC circuit breaker (IEC 62271-100: 2001, MOD)
★ GB 1985 High voltage AC isolating switch and grounding switch (IEC 62271-102: 2002, MOD)
★ GB 3804 3.6kV~40.5kV AC high voltage load switch (IEC 60265-1-1998, MOD)
★ GB 3906 3.6kV~40.5kV AC metal-enclosed switchgear and control gear (IEC 62271-200-2003, MOD)
★ GB 4208 Protection grade of enclosure (IP code) (IEC 60529-2001, IDT)
★ GB/T 7354 Partial discharge measurement (IEC 60270-2000, IDT)
★ GB/T 11022 General technical requirements of high voltage switchgear and control gear standards
★ GB/T 12022 Industrial sulfur hexafluoride (IEC 376, 376A, 376B, MOD)
★ GB 16926 High voltage AC load switch fuse combination electrical equipment (IEC 6227-105-2002, MOD)

Reference Program

方案图

Main technical parameters

Cable Accessories
6-35kV cable connectors for different cable cross-sections from 25mm² to 500mm².

Our organization has been focusing on brand strategy. Customers’ gratification is our greatest advertising. We also source OEM provider for Popular Design for New Transformer Substations Ring Main Unit 35kv Box-Type Substation, Since establishment during the early 1990s, now we have setup our sale network in USA, Germany, Asia, and several Middle Eastern countries. We purpose to generally be a top class supplier for worldwide OEM and aftermarket!
Popular Design for China Substation and Transformer Substation, We firmly think that we now have the full capability to give you contented merchandise. Wish to collect concerns within you and build a new long-term synergy romantic relationship. We all significantly promise:Csame excellent, better selling price; exact selling price, better quality.

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China Substation and Transformer Substation