------------------------------------------Product Description----------------------------------------------

110kV Oil-immersed Power Transformers

1. Introduction

Oil immersed power transformers designed and manufactured by us is based on advanced technologiesand rich experiences. The products have been improved in the design, structureand processes, with good resistance to short circuit capacity, good mechanical properties, lower partial discharge, low noise, no leakage, beautiful appearance, easy maintenance etc.

2. Service

Altitude: <1000M ( can be adjusted according to customer requirements)

Maximum environmental temperature: +40 ℃, Minimum environmental temperature: -40 ℃ (can be adjusted upon customer’s request)

Maximum wind speed: 36.2m / s

Relative humidity: 90%

Earthquake intensity: seismic acceleration (horizontal and vertical component take effectsame time) transformer can withstand seismic forces of 8 Richter scale earthquake.

Contamination level: 3

3. Standards

GB1094.1Power Transformer General Regulation

GB1094.2Power Transformer Temperature rise

GB1094.3Power Transformer Insulation Levels and Insulation Tests

GB1094.5Power Transformers Short-circuit Capacity

GB6451 Oil-immersed power transformers technical parameters and requirements

4.Application

The 110kV power transformers are used in power plant, substation and large-scale industrial enterprises etc. Our transformers are designed and manufactured with the latest technology. The transformers are conforming to IEC, ANSI, BS and other international standards. We offer customized solutions for satisfying your special requirements.

We can high voltage and capacity regulating transformer, furnace transformer, oil field transformer etc. As high-tech product that promoted by the country, the product has many advantages Such as high efficiency, low loss. Its social benefits are remarkable that is will save much of electricity consumption and operating cost.

5. Transformer test

Below are the tests conducted by Hebei TIANWEI. Before delivery, other tests required by clients can also be done accordingly.

Insulation resistance

Resistance of all windings

Check voltage ratio and vector group

No-load test at rated frequency and rated voltage

Impedance test

Withstand voltage testing

Induced over-voltage withstand testing

Partial discharge measurement

Oil leakage test

------------------------------------------Product Parameter----------------------------------------------

Technical Data for 110kV Class Three Phase Two Winding NLTC Power Transformer
Rated Power (kVA)	High Voltage	Low Voltage	Connection symbol	Short Circuit Impendence	Loss(W)		No load current (%)
					No-load loss	On-load loss
6300kVA	110 KV 121 KV 138 kV	6.3 KV 6.6 KV 10 KV 10.5 KV 11 KV	YNd11	10.5	7500 W	34900 W	0.69
8000kVA					9000 W	42500 W	0.69
1000kVA					10500 W	50200 W	0.64
12500kVA					12400 W	59500 W	0.64
16000kVA					15000 W	73100 W	0.59
20000kVA					17800 W	88400 W	0.59
25000kVA					21000 W	105000 W	0.54
31500kVA					25000 W	126000 W	0.54
40000kVA					29900 W	148000 W	0.56
50000kVA					35300 W	178500 W	0.52
63000kVA					41900 W	221000 W	0.48

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---------------------------------------------------------Our Factory----------------------------------------------------

Hebei Tianwei International Trading Co., Ltd is a professional producer for power transformer，high voltage, low voltage switchgear, box type substation and relation products. We have strictly quality management according with the ISO 9001 international quality system. The company is a modern enterprise with strength of technology, inspection equipment. Nowdays, our products have been widely used in electric power, coal, petroleum, chemical, metallurgy, transportation, communication, building and city infrastructure construction ,Tianwei not only has excellent quality products. but also good after sale service. These have won the praise and trust from customers. The company since its inception, has always been taken to "quality first, customer first, service first reputation first" as our purpose, in future, under all the Tianwei people's endeavor work, we believe we will have a more bright tomorrow!

WHY HEBEI TIANWEI

1.Providing quality packaged power solutions at the shortest lead time in the industry to commercial and industrial clients.

2.Product manufacture and supply according to the highest industry quality standards – ISO 9001 and SANS.

3.We invest in keeping large quantities of standard transformers and MV switchgear in stock – we supply quickly and provide 24/7 emergency support to ensure minimal downtime.

4.Our dedicated departments, infrastructure and highly trained personnel allow fast, full on-site installation, service and supply capabilities.

http://www.goodtransformer.com/