Oil Immersed Electric Distribution Transformer 35kv 5000kVA

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, Wind Power
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Multi-winding Transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC, Test Report
• Model NO.: s11
• Usage: Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: U
• Brand: Hfy
• Transport Package: Wooden Case Packages
• Specification: 1CBM to 15CBM
• Trademark: HFY
• Origin: China
• HS Code: 8504210000
• Production Capacity: 20000

Product Description

33kv series Oil-immersed transformer 

Primary Votage       33KV 35Kv 38.5KV
Secondary voltage  0.4KV/ 11KV
Capacity: 630KVA -31500KVA
Model: S9   S10  S11



 

Product introduction

The sz11-10000/35 transformer produced by our company is a fully sealed oil-immersed istribution
transformer with amorphous alloy core as the magnetic conducting material.It is an ideal electrical product for environmental protection and energy conservation.

The company's products are mainly used for power transmission and transmission frequency of 50HZ,power network voltage of 10KV or 35KV 110KV and the transmission and distribution of altitudes of 1000 meters and below. It can be used as power supply for rural and regional power supply and rural water drainage and drainage, outdoor installation, continuous use. With reliable
technology, high-quality materials, good economic performance, good reputation and excellent
service, our products have won unanimous praise from new and old customers.

 Main data
1. Standard: IEC60076, GB1094-1996; JB/T10088-2004; GB/T6451-2008; EQV
2. Voltage Grade: 6KV to 35KV  5000kva oil immersed transformer
3. Voltage Regulation Mode: No-load tap changing or On-load tap changing
4. Tapping Range: ±5%, ±2×2.5%, ±4×2.5% or others
5. Frequency: 50Hz; 60Hz
6. Phase: three phase
7. Connection Sign: Dyn5,Dyn5,Yyn0, Dyn11 or others
8. Short Circuit Impedance: Standard impedance (For details see technical data sheet)

Features:  5000kva oil immersed transformer 
     Our transformer is equipped characters as low loss, low noise, strong protection for thunder and lighting, well anti-shortcut capacity and fine appearance etc. It combines advanced equipments and manufacturing process, and it has four remote functions: remote communication, remote test, remote adjustment and remote control. By remote control from a computer, the power station could be work without any works on watch on the night. All our transformer has passed the test by National Mechanical & Industrial Bureau and National Power Company. The transformer is mainly used in power network, and the projects of power distribution. 

     Core equipped with advanced three steps: vertical and horizontal and horizontal cut, lap and multi-stage. It disperses the air distribution, improve the magnetic path. Decrease the no load loss, no load current and noise.   5000kva oil immersed transformer 

     Core adopts series measures dragged panel, pressed the coil, particular glue for silicon steel to increase the strength of mechanism.  Power grid electric transformer

     New structure of high and low voltage winding, reasonable arrangement for oil tube and connection which increasing the capacity of mechanical strength and anti-shortcut.


Transformer Structure
Technical data

Main Technical Parameters for 35KV level ,S9-,S10-,S11 series distribution transformer
Rated Power (kva)	High  Voltage (kv)	H.V.Tap range	Low  Voltage (kv)	Connection symbol	Short Circuit Impendence (%)	No-load loss(W)			On-load loss(W)			No load current (%)
						S9	S10	S11	S9	S10	S11
800	33  35			Yd11		1250	1110	980	9900	9350	9350	1.05
1000						1490	1320	1160	12200	11500	11500	1
1250					6.5	1760	1570	1380	14650	13900	13900	0.9
1600						2130	1900	1660	17650	16600	16600	0.85
2000						2610	2320	2030	19350	18300	18300	0.75
2500						3150	2800	2450	20700	19600	19600	0.75
3150			6.3			3870	3440	3010	24300	23000	23000	0.7
4000		±5%	6.6		7	4640	4120	3610	28800	27200	27200	0.7
5000		±2*2.5%	10			5490	4880	4270	33000	31200	31200	0.6
6300			10.5			6570	5840	5110	36900	34900	34900	0.6
8000				Ynd11	7.5	9000	8000	7000	40500	38300	38300	0.55
10000						10620	9440	8260	47700	45100	45100	0.55
12500						12600	11200	10800	56700	53600	53600	0.5
16000						15300	13600	11900	69300	65500	65500	0.5
20000					8	18090	16100	14100	83700	79100	79100	0.5
25000						21510	19120	16730	99000	93500	93500	0.4
31500						25650	22800	20000	118800	112200	112200	0.4

Our Workshop


Company Introduction 

Qingdao Hengfengyou Electrical Engineering Co., Ltd. (hereinafter referred to as Hengfengyou) is a large-scale enterprise group with electricity transmission and distribution as its main business,which integrates scientific research, development, manufacturing and trade. After 30 years rapid economy development in China, Hengfengyou now is a leading R & D, manufacturing and service base for MV
, HV and ultra-HV power distribution equipment in China. At present,we have 50 senior technicians and more than 300 employees, with a complete sales and service system. Our products sell well at home and abroad, and our annual output value adds up to $100 million. .
At present, Hengfengyou has 6 wholly-owned and holding subsidiaries, which are respectively engaged in R & D, manufacturing and service of transformers, switchgear, package/unit substation, pole-mounted high-voltage vacuum circuit breakers, new energy, and electrical engineering.
For a long time, the company has maintained close technical exchanges and cooperation with domestic and foreign universities, scientific research institutes and electric power enterprises.
Hengfengyou independently designed and developed SCB series dry-type transformer and SC series oil immersed transformer. Our product performs with high operation efficiency, and obvious energy conservation. The overall performance index reaches the world's advanced level.
The company also maintains long-term strategic partnership with Schneider, ABB, Simens, Chint and other electric suppliers. We absorbed foreign advanced experience in electrical equipment production and independently designed and developed a series of substation equipment, which realized the automation and intelligence of the substation, and of which the performance has been highly recognized by the user at home and abroad. In the following five years, the company plans to build an intelligent workshop with an annual output of 100000 transformers.Then,the intelligent robot will replace 80% of the existing labor force, which will greatly improve the production efficiency, lower production cost, and produce more energy-saving, environmentally friendly, more safe and reliable the product for the users!
HFY Certificate 

Our Services
1.Pre sale service A. make technical solution B. send quotation, technical data sheet and drawing prepare power transmission plan, testing plan and shipment plan

2. In sale service supervise the manufacturing schedule totally in accordance with the plan b.    send photos to customer during every manufacturing process(hold point) c.    inform the customer one week before testing. d. quick response within 12 hours any time.

3. After sale service
a.All parts are under Two Years Warranty with defects from manufacturer. All spare parts and component can be offered for free from the original manufacturer or HFY.
b. Training We will provide free training to your technician free of charge at our factory site in Qingdao, China. The total training period would be 2 working days. All travel and related expensed would be at the purchaser's expense.
c. Technical Documents: Original operation and service manuals, the service manual is completed with wiring diagram, block diagram and trouble shooting information.
d. Installation Usually, clients can do the installation and operation by themselves when following the detailed English user manual. If clients want our technician do this work, please read the following terms: The initial installation is not included with the professional HFY team member.
All installation with the Hengfengyou team must be scheduled at least 4 weeks in advance before actual trip taken. All necessary connectivity must be ready prior the service being scheduled.
While Hengfengyou team member arrives at the site for a complete and final installation, two days training course will be provide to the customer for operation and maintenance procedure. The initial installation is provided within 5 working days excluding travel days.
The actual installation days may vary, based on different machine mode. Each day of working hour consist at 8 working hours. Any additional day will be charge according to our service fee listed below.
When initial installation is being called for the Hengfengyou team required, the surcharge will be made in advance by the purchase at US$100/person/day plus all travel expenses. Travel expenses; local and destination transportation charges (air, train, ferry, bus, taxi or any means of transportation required to arrive to/from destination); accommodation (minimum of 3 star hotel facility) and 3 daily meals.

The Finished Project

Team Show

FAQ
Q1: Is OEM/ODM available?
A1: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q2: What's your MOQ?
A2: One Set.
Q3: How is the delivery time?
A3: It depends your order quantity and it normally takes about 15-20 days.
Q4: How do you control the quality?
A4: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
Q5: How long is the warranty?
A5: Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.