• 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
  • 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
  • 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
  • 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
  • 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
  • 1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv

Application: Power
Phase: Three
Core: Core-type Transformer
Cooling Method: Oil-immersed Type Transformer
Winding Type: Two-winding Transformer
Certification: ISO9001
Customization:

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Manufacturer/Factory

Basic Info.

Model NO.
S11-1250/35-11
Usage
Distribution Transformer
Frequency Characteristics
Low Frequency
Shape of Core
U
Brand
Eacher/Shenda
Rated Capacity
30-3000kVA
Material
Copper
Input Voltage
6kv/6.3kv/10kv/10.5kv/11kv
Frequency
50Hz/60Hz
Transport Package
Nude Packing/Iron Case
Specification
S9 S10 S11 S13 S9-M S10-M S11-M S13-M
Origin
Zhejiang
Production Capacity
50000

Product Description

Product Description
S11-1250/35-11 power transformer is popular world wide in different industry. It is impact and cost-effient.

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
 
Capacity 1000-3000KVA,Photo on the left shows a 1250kva transformer.
Primary voltage 10kv 20kv 35kv
Secondary voltage 0.4kv 11kv
Frequency 50/60 Hz

Certifications
1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv

Certificates owned by shenda:
100MVA/220kv power transformer short circuit test report
-issued by CESI Italy&CTQC China

120MVA/33KV oil EAF transformer
50MVA/69KV oil power transformer
10MVA/33kv dry-type transformer
Type test report
-issued by KEMA Netherlands

63MVA/110KV Power transformer short circuit test report
-issued by CTQC China

12.5MVA/22KV Rectifier transformer routine test
-issued by V-Check korea

ISO 9001&ISO14001&OHSAS 18001
CE-POWER TRANSFORMER&FURNACE TRANSFORMER&DRY-TYPE TRANSFORMER&REACTOR

Transformer Characteristics
1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
Winding .
The winding must be especially protected - both against high electrical stress due to
external over voltages and against mechanical overloads by short circuits. They are made of copper or aluminum. Low-voltage windings are made of strip or flat wire while
high voltage windings are manufactured from round or profile wire. ("diamond-dotted paper") bonds the winding into a compact block
while drying and increases the short-circuit capacity additionally.

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
Magnetic Core lamination.
The three-limb iron core is made of oblique cut Grain-oriented, seven-step silicon steel lamination insulated on both sides,
guaranteeing low losses and low noise. These values are even improved by laser treatment. It is protected on the surface with a
flash-proof varnish in order to prevent the sheet from corrosion and to reduce the noise.

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
Oil tank.
Whether during transport or operation -the tank must be absolutely tight under mechanical stress. We have vast constructional experience, the most modern calculation methods and high-quality welding work. Special attention is paid to
corrosion protection. Pretreatment of the surface is processed by phosphating pickling, contributes to corrosion protection, just
like multi-coating with preset drying times for each layer. On request, hot-dip galvanization provides for even better protection

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
Test lab
Testing are conducted for every transformer before delivery.Tests are classified to be routine tests and type test.
A - Routine tests: According to IEC 60076 standard , the following tests must be carried out for all units of the transformers
a- Measurement of winding resistance .
b- Measurement of voltage ratio and check of phase displacement.
c- Measurement of short circuit impedance and load losses.
d-Measurement of no-load losses and current .
e-Dielectric routine tests including the separate source AC voltage withstanding test and short duration induced over voltage withstanding test ( ACSD ) .

B - Type tests :
The following tests shall be carried out
a- Temperature rise test
b- Lightning impulse test

C - Special tests :
a- Determination of noise level according to IEC 60551 .
b- Oil leakage test
c- Overload test at 150 % rated current for one hour after temperature rise test ( top oil temperature rise and winding temperature rise must be measured and recorded in the report test also hot spot temperature rise must be calculated and recorded on the report test ) .
d- Short Circuit Dynamic stability Test (test report from independent and accredited laboratory for similar transformer will be accepted).


Packaging and transportation
1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv



Company Introduction
SHENDA electric group is a manufacturer and wholesale company that manufactures good & high quality electric transformers from 2000. The company provides the customized products and OEM service. The factory own the 3 production base worldwide,2 in China and 1 in USA.We also own a transformer research institute with more than 30 electric engineers .
1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv
Our Services
1. Pre-Sale Service
- Quick response: reply you within 8 hours, to save your time.
- Professional solution: supply professional completed solution base on your technical requirements,  to complete your technical plan.
- Quoataion: submit a competive price within 2 days, to promote your business

2. In Sale Service
- Supplying stipulated completed drawings
- Supplying manufacturing plan and processing photos
- Making the test plan and book hotel for the witness person
- Making good arrangement of the delivery and shipment

3. Afer Sale Service
- Supplying professional supervision and commissioning within 15 days
- Training the workers
- Providing 12 months waranty of quality and perforance

1250kVA Distribution Transformer 1000-3000kVA Transformer 35kv 11kv

FAQ
1,Q:
Are you manufacturer?
 
   A:
Yes, we are manufacturer. Our factory is in JiangShan City, zhejiang  Province.
 
2,Q:
What is your delivery time ? 
 
   A:
Depend on the type of transformer.
 
3,Q:
What is your payment term?
 
  A:
30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it.
 
4,Q:
Are your transformers supported for customization ?
 
  A:
Yes, of course. We can design and produce accroding to the technical requirements and parameters of customers.
 
5,Q:
Do you offer guarantee for the products?
 
   A:
Yes. Different transformers is different. We offer at least one year guarantee for all of our transformers.
 
6,Q:
Do you accept Factory Acceptance Test?
 
   A:
Yes. It's available. And we are responsible for each set transformer's testing (ICE).
 
7,Q:
Do you assign engineer for after-sale service?
 
   A:
Yes. For our products,we all provide after-sale installation instructions service
 

 

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Manufacturer/Factory
Number of Employees
26
Year of Establishment
2007-11-07