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Can be installed to meet the measurement requirements of the original measurement


Name | box-type substation | ||||
structure | By the high voltage electrical equipment transformer low voltage electrical equipment combination | ||||
characteristics | Complete set, small size, compact structure, safe and mobile operation | ||||
function | Receiving and distributing electrical energy | ||||
material | Steel topped with glass | ||||
configuration | High voltage distribution device, transformer, low voltage distribution device,Can be arranged into a ring network power supply, terminal power supply, dual power supply | ||||
Application | Power plant substation petrochemical metallurgy transportation energy light industry textile residential high-rise building | ||||
◎Altitude: ≤1000m;
◎Ambient temperature should be within -25°C~+40°C, mean value within 24h should not exceed +35°C;
◎Outdoor wind speed should not exceed 35m/s;
◎Relative air humidity should not exceed 90% (+25°C);
◎Seismic intensity: horizontal acceleration should not more than 0.4m/s2; vertical acceleration should not more than 0.2m/s?;
© The installation site should be free of fire, explosive danger, serious pollution, chemical corrosion or severe vibration.
◎Note: Any special requirements can be settled through friendly negotiation.

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 | times | 3000 5000 10000 | ||||
LV unit | Rated frequency | Hz | 50 | |||
Rated voltage | kV | 0.315/0.27 | ||||
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 | ||||
SHANGHAI SETN GENERAL EQUIPMENT CO., LTD.
Shanghai SETN ELECTRIC Co., Ltd is a professional of power solution and distribution (PTD) engineering and PTD complete equipment supplier. We provide integrated solution and complete PTD high-tech equipment for a variety of PTD engineering. We are one of the leading enterprises in the national industrial technology upgrade plan and one of the leading brands in the field of electric power engineering of China.
Ltd was established in September of 2011 with a registered capital of RMB50.18 million. Located in Fengxian Industrial Park of Shanghai, the company has its own scientific research team, production plant and warehouse logistics system. The company is a high-tech enterprise integrating provision of PTD plant solution and R&D, manufacture and sale of high and low voltage electrical components and complete PTD equipmentthat meet Chinese standard. We are one of the few enterprises in China that can provide customers with one-stop solution in terms of large-scale PTD engineering, 3-35KV complete high and low voltage distribution equipment R&D and manufacture and technology service.






We can deliver the goods by air or sea. We can provide you with a good shipping company to facilitate your choice Our delivery date is usually 15 to 20 days. If you need special customization, the time may be increased
Standard wooden boxes for outer packing
(1) 1 plastic bag/set
(2) Special package required by clients.
(3) ONE wooden case/set




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