
Three Phase Pad Mounted Transformers + 33/11kv Container Substation
Pre-installed Transformer Substation description AC metal closed type shift switch cabinet is a three-phase AC 50HZ indoor device metal-enclosed switchgear, used in power plants and substation systems with a rated voltage of 35kV, a rated maximum current of 2000A, and a single bus or section...
Description
Our company not only provides you with high-quality High Performance Oil Immersed power Transformer, RMU 22kv, Single Phase Overhead Transformer, but also can tailor solutions for your exclusive applications according to the changes in market application scenarios, thereby increasing your business income and market competitiveness. We have established long-term business relationships with many domestic and foreign manufacturers based on our product advantages of high quality, low price and timely delivery. Our company adheres to the quality as the foundation of the brand, the market as the driving force of the brand and the design as the soul of the brand. We seek development in innovation and breakthrough in the challenge.
Pre-installed Transformer Substation description
AC metal closed type shift switch cabinet is a three-phase AC 50HZ indoor device metal-enclosed switchgear, used in power plants and substation systems with a rated voltage of 35kV, a rated maximum current of 2000A, and a single bus or section with a maximum voltage of not more than 40.5kV Busbar sets of power distribution equipment.
The switchgear meets the requirements of DL/t404-91, IEC298, GB3906 and other standards, and has the functions of preventing misoperation of the circuit breaker, pushing the trolley with load, grounding wire, power transmission with grounding wire and accidental charging. Interval (called "five preventive measures").
Box-type substations are suitable for residential areas, urban public transformers, prosperous urban areas, and building electricity. Users can choose box type changes according to the conditions of use and load level. Since the advent of the box-type substation, it has developed rapidly. In developed countries, 70% of distribution transformers have been developed, while the United States has accounted for 90%. The rapid development of China's urban modernization and the transformation of urban distribution networks will be widely used.
Box-type substations are used in high-rise residential buildings, luxury villas, square parks, residential areas, small and medium-sized factories, mines, oil fields and temporary buildings to receive and distribute electricity in the power distribution system.



Main technical parameters | |||
HV unit | Rated frequency | Hz | 50 |
Rated voltage | kV | 7.2 12 24 40.5 | |
Rated current of main bus | A | 630 1250 1600 | |
Rated short-time withstand current / duration | kA/s | 20/4 25/3 31.5/4 | |
Rated peak withstand current | kA | 50 63 80 | |
1min power frequency withstand voltage (to-ground/between open contacts) | kV | 32/36 42/48 65/79 95/115 | |
Lightning impulse withstand voltage (to-ground/between open contacts) | kV | 60/70 75/85 125/145 185/215 | |
Rated short-circuit breaking current | kA | 20 25 31.5 | |
Ground loop short-time withstand current / duration | kA/s | 20/2 20/4 | |
Rated short-circuit making current of main loop | kA | 50 63 80 | |
Rated active load breaking current | A | 630 | |
Rated closed loop breaking current | A | 630 | |
Rated transfer current | A | 1700 | |
Mechanical life peroid | times | 3000 5000 10000 | |
LV unit | Rated frequency | Hz | 50 |
Rated voltage | kV | 0.4/0.23 | |
Rated insulation voltage | V | 690 | |
Rated current of main loop | A | 100~3200 | |
Rated short-time withstand current | kA/s | 30/1 50/1 100/1 | |
Rated peak withstand current | kA | 63 105 176 | |
5s power frequency withstand voltage | kV | 2.5 3.75 | |
Transformer unit | Rated frequency | Hz | 50 |
Rated voltage | kV | 7.2 12 24 40.5/0.4 | |
Rated capacity | kVA | 30~1600 | |
1min power frequency withstand voltage | kV | 25/20 35/28 55/50 85/75 | |
Lightning impulse withstand voltage | kV | 60 75 125 170 | |
Impedance voltage | % | 4~6 | |
Tapping range | ... | ±×2.5% ±×5% | |
Connection group | ... | Y,yn0 D,yn11 | |
Type | ... | Oil-immersed type, dry type | |
Cabinet body | IP code of HV and LV chambers | ... | IP33D |
IP code of transformer chamber | ... | IP23D | |
Sound level (oil-immersed type/dry type) | dB | ≤50/55 | |

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Over the years, the company has been committed to the design, manufacturing and sales for Three Phase Pad Mounted Transformers + 33/11kv Container Substation. Perfect sales system and first-class after-sales service let us make more friends in the industry and build a solid brand. Our company is customer-oriented, pays attention to the 'people-oriented' management philosophy, and strives to provide customers with safe and reliable products.
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