Qingdao Hengfengyou Electrical Engineering Co., Ltd.
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Tender Use Power Electrical Distribution Board Box Low Voltage Switchgear Switch Cabinet Low Voltage Cubicle
Our series of prefabricated substation is the combination of the HV electrical apparatus, transformer, and low voltage transformer equipments and therefore is used in the high-rise buildings, residential districts, urban and rural construction, hi-tech development zone, small and medium size enterprise, mine and oil fields and the temporary construction sites to receive and distribute the power.
Series of prefabricated substation is complete set, small sized, compacted structure, running safely, easy maintenance, and mobile. And it only takes the 1/10-1/5 of the space of the same capacity of civil construction distribution, and therefore greatly reduces the construction cost. It can be used in the ring net distribution system, double power distribution system or radiator terminal distribution system. It is the new complete set equipment used for rural and urban substation construction and reformation.
Series of prefabricated substation is fully in accordance with the standard of SD320-1992 (the technology of Boxes substation) and the standard of IEC,GB/T 17467-1998
· structural features
Houndreds types product as like GCK low-voltage withdrawable switchgear is the basic frame for the combination of fabricated structure, the frame of the whole structure by screw fastening connection each other into the basic framework, according to the need to add the door again, baffle, baffle plate, a drawer, mounting bracket and busbar and electrical components and other parts, assembled into a complete control center tank, this structure has the following features:
1. The cabinet frame adopts C profile, bolt connection without welding structure so as to avoid welding deformation and stress, and improve the installation accuracy.
2. Internal structure shall be galvanized.After pickling and phosphating, the exterior was sprayed with electrostatic epoxy powder.
3. (PC) in the center of the power distribution ark into line, busbar area across the top level, lower level of busbar area for circuit breaker, the breaker can be configured homebred CW1, HSW1 series, can also according to customer's need to configure the foreign electric company production of various kinds of circuit breaker, such as ABB company E series circuit breaker, as well as intelligent circuit breaker and so on.
Environmental Conditions
Suitable Altitude: 1000m ~ 4000m
Suitable Temperature: -40℃ ~ +45℃
Relative Humidity: Daily mean ≤95%, monthly mean ≤90%
Gradation of Earthquake Damage: ≤ Level 8
| Rated isolation voltage | To 1000V |
| Rated operational voltage | To 600V |
| Rated frequency | 50 /60 Hz |
| Rated impact withstand voltage | 8 kV |
| Rated voltage of auxiliary circuit | AC380, 220V,DC 220V |
| Over voltage degree | III |
| Pollution degree | 3 |
| Rated current | 4000A |
| Horizontal busbar rated current | 4000A |
| Vertival busbar rated current | 2000, 1000A |
Note: Due to continuous product improvement, the dimensions provided in this sample are for reference only. If necessary, our company can design and produce according to user requirements. Please contact the company in time.
Company introduction
Qingdao HengFengYou Electrical Engineering Co. LTD., aka HFY Electrical Engineering, is a Chinese leading manufacturer and supplier in electricity transmission and distribution industry.
With 30 years of competition and development in China, by now HFY Electrical Engineering has 6 wholly-owned subsidiaries, 50 senior technicians, 350 employees, established sales network and customer service team. From research and development, manufacturing to the final project engineering, HFY provides better solution to clients than others.
Our main market covers medium voltage, high voltage and ultra-high voltage power distribution.
1. Indoor altitude above sea level: Maximum installation altitude: 2000m
2. Ambient air temperature: -5℃~+40℃ and the average temperature should not
exceed +35℃ in 24h
3. Relative humidity should not exceed 50% at max temperature +40℃. Higher
relative humidity is allowed at lower temperature. Ex. 90% at +20℃. But in view of
the temperature change, it is possible that moderate dews will produce casually.
4. No fire, explosion danger, serious pollution, chemical corrosion and severe vibration
5. Installation gradient not exceed 5°
6. This product is suitable for the following temperature transportation storage: -25℃ ~+55℃ 24h, in a short period of time (no more than 24hours) not more than+70℃.