Audited Supplier
S11-630/30-0.4 fully sealed oil-immersed transformer is suitable for AC 50Hz, rated working voltage 10kV, 20kV and below power system, as petroleum, metallurgy, chemical, textile, light industry and other enterprises and large dust places of the distribution transformer.
Product Parameters
| Transformer Routine Test Record | |||||||||||||||||||||||||||
| Model | S11-M | No | T2304087 | Phase | 3 | ||||||||||||||||||||||
| Capacity | 2500 | KVA | Frequency | 50 | HZ | Oil Weight | 510 | kg | |||||||||||||||||||
| High voltage | 10000 | V | High voltage current | 144.34 | A | Body lifting weight | 2750 | kg | |||||||||||||||||||
| Low voltage | 400 | V | Low voltage current | 3608.44 | A | Total weight | 3900 | kg | |||||||||||||||||||
| National regulations standard data | No-load loss(W) | On load loss(W)75ºC | No-load current | Impedance voltage | |||||||||||||||||||||||
| 2290 | +15% | 21200 | +15% | 0.4 | +30% | 5 | ±10% | ||||||||||||||||||||
| I. Transformation Ratio Measurement | |||||||||||||||||||||||||||
| Tapping position | High voltage(V) | Low voltage(V) | Voltage ratio | Maximum error percentage% | |||||||||||||||||||||||
| 1 | 10500 | 400 | 26.250 | 0.02 | |||||||||||||||||||||||
| 2 | 10250 | 25.625 | 0.06 | ||||||||||||||||||||||||
| 3 | 10000 | 25.000 | 0.03 | ||||||||||||||||||||||||
| 4 | 9750 | 24.375 | 0.04 | ||||||||||||||||||||||||
| 5 | 9500 | 23.750 | 0.07 | ||||||||||||||||||||||||
| 6 | |||||||||||||||||||||||||||
| 7 | |||||||||||||||||||||||||||
| II. Insulation Test | Room Temperature | 18 | ºC | ||||||||||||||||||||||||
| Item Test Wiring | Insulation Resistance (MΩ) | Power Frequency Withstand Voltage(kV) | |||||||||||||||||||||||||
| 15s | 60s | Absorption Ratio | Test Voltage | Test Time | Result | ||||||||||||||||||||||
| High Voltage - Low Voltage and Earth | >2500 | 35 | 60s | Passed | |||||||||||||||||||||||
| Low Voltage - High Voltage and Earth | >2500 | 5 | 60s | Passed | |||||||||||||||||||||||
| High Voltage - Low Voltage and Earth | >2500 | / | / | / | |||||||||||||||||||||||
| III. Connection Group Measurement | |||||||||||||||||||||||||||
| Measurement Side Power Supply Side | + - a b | + - a b | + - a b | Group | |||||||||||||||||||||||
| DC Method + - A B | D.yn11 | ||||||||||||||||||||||||||
| AC Method (V) | UBb | UBc | UCb | ||||||||||||||||||||||||
| IV. Coil DC Resistance Measurement | + | 18 | ºC | ||||||||||||||||||||||||
| Phase Tap | High Voltage Side(Ω) | Low Voltage Side(mΩ) | |||||||||||||||||||||||||
| AB | BC | CA | an | bn | cn | ||||||||||||||||||||||
| 1 | 0.2291 | 0.2294 | 0.2290 | ||||||||||||||||||||||||
| 2 | 0.2237 | 0.2238 | 0.2235 | ||||||||||||||||||||||||
| 0.2174 | 0.2177 | 0.2174 | 0.2607 | 0.2634 | 0.2663 | ||||||||||||||||||||||
| 0.2117 | 0.2123 | 0.2119 | |||||||||||||||||||||||||
| 0.2049 | 0.2051 | 0.2048 | |||||||||||||||||||||||||
| V. Loss Measurement | |||||||||||||||||||||||||||
| No-load Loss | 2308 | W | No-load Current | 0.42 | % | ||||||||||||||||||||||
| Load Loss (75ºC) | 22595 | W | Impedance Voltage(75ºC) | 4.99 | % | ||||||||||||||||||||||
| VI. Transformer Oil Chemical Test | |||||||||||||||||||||||||||
| Specific Gravity | 0.9 g/cm² | Viscosity | <11.6 | Acid Value | 0.002KOHmg/g | Ash Content | - | ||||||||||||||||||||
| Color | - | Flash Point | >143ºC | Withstand Voltage | 55KV/2.5mm | Oil Number | Domestic No. 25 | ||||||||||||||||||||
| VII. Induced Voltage Withstand Test | |||||||||||||||||||||||||||
| Frequency | Low Voltage Test Voltage | Test Time | Result | ||||||||||||||||||||||||
| 150HZ | 800V | 60s | Passed | ||||||||||||||||||||||||
This product's test complies with GB1094.1.2, GB1094.3, GB1094.5 standards and technical conditions GB/T 6451 regulations, and is allowed to leave the factory. | |||||||||||||||||||||||||||
| Test Operator | Auditor | Test Supervisor | |||||||||||||||||||||||||
Structural Installation
Technical Parameters
Packaging & Shipping
Company Profile
ABOUT US
Jiangsu Zhengwei Electric Power Equipment Co., Ltd. was established in November 2017. It is a professional oil-immersed transformer manufacturer and dry-type transformer manufacturer. It is mainly engaged in the production, manufacturing, scientific research and development of power transformers, box-type substations, high and low voltage switch cabinets and supporting products. A modern enterprise integrating product sales, the company is located in the Economic Development Zone of Pizhou City, Jiangsu Province.
The company covers an area of nearly 100 acres, with a registered capital of 60 million yuan. It currently has more than 80 employees and nearly 10 engineers. The company relies on domestic advanced technology, production and testing equipment, and adopts computer-aided design in accordance with the operating standards of the ISO9000 quality certification system. Provide customers with environmentally friendly, energy-saving, low-carbon high-quality products that meet the characteristics of each region to meet the fundamental requirements of the market and different customers.The company's existing factory area is more than 15,000 square meters, with 20 winding machines, 5 foil winding machines, 4 ovens, 2 vacuum pouring tanks, and more than 20 sets of other production and inspection equipment; high-precision CNC bending machines, There are more than ten sets of CNC shearing machines, busbar processing machines, laser cutting machines, etc.; first-class software and hardware facilities have laid the foundation for the company to create high-quality products.The company currently produces S11 and S13 series 10KV, 20KV,35KV,110KV and 220KV oil-immersed transformers; SCB10 and SCB13 series 10KV, 20KV and 35KV epoxy cast dry-type power transformers; SH15 and SCBH15 amorphous alloy power transformers. Transformers; complete sets of high and low voltage products include YB prefabricated substation, ZGS type combined substation, KYN61-40.5 type, KYN1-12 type, KYN28A-12 type, HXGN type, GG-A type and other high voltage series, GGD type, MNS type ,, GCK type, GCS type, XL type, frequency conversion distribution cabinet and power automation device, etc., more than ten series and more than twenty varieties. The products passed the quality inspection of the National Transformer Quality Supervision and Inspection Center and the National Medium and Low Voltage Transmission and Distribution Equipment Quality Supervision and Inspection Center, and obtained the registered model registration certificate.
At the beginning of the company's establishment, its products have now begun to be sold in the national market and have gained good reputation from customers. The company's marketing network and service network have been improved and will be further expanded to domestic and foreign markets. The company implements "housekeeper service" and implements a consistent quality management system for the company's products. With annual free replacement, three-year warranty, and lifetime warranty after-sales service policy, we actively provide customers with timely, warm and thoughtful services to enhance product utilization value and value-for-money services.
CERTIFICATES
WORKSHOP
FAQ
1.Are you a trading company or a manufacturer?
We are a professional factory with 10 years of experience in the field of high and low voltage switch gear and substation. Transformers, cables, distribution boxes and various electrical equipment, such as vacuum circuit breakers, load breaking switches, etc. Our factory is an excellent supplier of the State Grid Corporation of China.
2.Do you accept custom service?
We provide OEM/ODM services, according to your drawings and parameters, our professional technical and national team can provide satisfactory solutions.
3.What is your minimum order quantity?
Our minimum order quantity is 1 piece.
4.What is your lead time?
It depends on your product requirements and quantity. It usually takes 5-15 working days.
5.How do you solve quality problems?
Please provide detailed photos and information of the quality problem. Our technical and quality inspection departments will do a good analysis. We'll come up with a satisfactory solution within two days.
6.What are your terms of payment?
T/T or LC at sight
