WENZHOU QIUPU ELECTRIC POWER CO., LTD.
WenZhou QiuPu Electric Power Co., Ltd. BECOME CHINA'S FIRST-CLASS PRODUCTION AND SALES OF HIGH-TECH ENTERPRISES .
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substation prefabricated electric compact substation box type transformer
product description
This product is researched and developed by absorbing the latest foreign advanced technology and combining with domestic actual conditions. The whole product has the characteristics of small size, easy installation and maintenance, low noise, low loss, anti-theft, full protection, and strong overload capacity. It is suitable for new communities, green belts, parks, stations, hotels, construction sites, airports and other places.
YB27-12 series prefabricated substation (American), suitable for 10kV ring network power supply, dual power supply or terminal power supply system, as a substation, metering, compensation control and protection device. This product meets the following standards: GB17467 "High-voltage and low-voltage prefabricated substation" DL/T537 "High-voltage and low-voltage prefabricated substation selection guide".
Model and its meaning
① Prefabricated substation (American style)
② Design serial number
③ Rated voltage
④ The high-voltage switchgear is equipped with the main switch category F-load switch; F-R-load switch + fuse
⑤ High-voltage switchgear equipped with operating mechanism category T-bomb operating mechanism; S-manual mechanism
⑥ Transformer rated capacity (kVA)
Conditions of Use
Users need to provide the following information if ordering
• The altitude does not exceed 1000m;
• Ambient temperature: 35°C~+40°C;
• Relative humidity: the daily average value is not more than 95%, and the monthly average value is not more than 90%;
• Installation site: a place with no fire, explosion hazard, chemically corrosive gas, and well-ventilated place, and the ground inclination is not more than 3. .
Technical Parameters
| Name | Unit | parameter |
| Rated voltage | kV | 10/0.4(High pressure/low pressure) |
| Maximum working voltage | kV | 12(High pressure side) |
| Rated frequency | Hz | 50 |
| Rated Capacity | kVA | 50-800 |
| 1 minute power frequency withstand voltage | k | 35 |
| Lightning impulse voltage | kV | 75 |
| cooling method | Oil-immersed natural cooling | |
| High-voltage backup fuse breaking current | kA | 50 |
| Breaking current of plug-in flame breaker | kA | 25 |
| Ambient temperature | °C | -35-+40 |
| Allowed temperature rise of coil | °C | 65 |
| No-load voltage regulation | ±5% or ±2x2.5% | |
| Voice level | db | 50 |
| Protection level | IP43 | |
Installation dimension drawing
Need to know when ordering
•Product operation location and special requirements;
• Provide product ordering drawings, and there should be a wiring diagram in the ordering drawing, and the capacity of the transformer, the model and specification of the main components, the distribution branch circuit and the capacity should be indicated;
• When electric energy metering and reactive power automatic compensation devices need to be configured, the configuration requirements for metering watt-hour meters and transformers should be provided, and the capacity of the compensation capacitor should be indicated;
• Indicate the requirements of product surface treatment;
• Please specify terminal type or ring network type when ordering combined transformers.