
200kVA Box Transformer, 80kVA Street Light Box Transformer, 315kVA Combined Box Type 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 High Voltage Metal Clad Switchgear, Switchgear Cubicle For Power Distribution, Metal Enclosed HV Switchgear has won wide praise and all customers praise, for which we are deeply honored, and will not change the original will continue to struggle for the majority of customers. The ambition of our company is to expand market share and ultimately establish a high-quality supply and service system. We still stand by the principle that customers are everything, based on honesty and technology, and sincerely serve all customers. Browse our online showroom to see what we can do for you.
YB pre-installed American substation:
This product puts the high-voltage load switch and high-voltage fuse in the transformer oil, and has two structural forms: the same box or the sub-tank with the transformer body; the oil tank adopts a fully sealed structure, and is equipped with an oil temperature gauge, an oil level gauge, a pressure gauge, Pressure relief valve, oil drain valve and other components to monitor the operating status of the transformer; as an important power supply unit in the cabled distribution network, this product is a complete set of pre-installed products integrating high-voltage control, protection, transformation and power distribution equipment. Used in urban and rural distribution networks.
1. Altitude: ≤1000m; ambient temperature; -25℃~+40℃;
2. Temperature: the highest monthly average temperature +30℃, the highest annual average temperature +20℃;
3. Relative humidity: daily average value is not more than 95%, monthly average value is not more than 90%;
4. Anti-vibration level: horizontal acceleration 0 4m/s, vertical acceleration O 15m/s;
5. The installation site is not violent; there is no serious impact, no serious pollution and chemical corrosion, no conductive dust or explosion hazard.
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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Our 200kVA Box Transformer, 80kVA Street Light Box Transformer, 315kVA Combined Box Type Substation has unique and advanced functions, which can replace traditional products and win greater economic benefits for the company. Let's speeding within the dark! For more information, please come to our website.
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