
Zgs Pre-Installed Compact Power Substation Popular Model
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
We have absorbed advanced technology and craftsmanship, improved the quality of low-voltage switchgear, Low Voltage Distribution Dry Transformer, 12kV Solid Insulated Metal-Enclosed Switchgear and production efficiency, and ensured its stability and durability. Our work always revolves around the sales ideas of cooperation, unity, development, exchange and win-win. With this concept, the company will continue to develop products with high added values and continuously improve products, and will provide many customers with the best products and services! Our company adopts modern and advanced sophisticated management methods and strictly implements the quality management system, which greatly reduces production costs.
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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The company has gradually developed into one of the largest and most powerful enterprises in the Zgs Pre-Installed Compact Power Substation Popular Model industry. Our company is equipped with a group of motivated, responsible, capable and united employees. The trend of globalization of technological innovation and innovation methods of multinational companies have a great demonstration effect and utilization effect for us.
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