3 Phase Step Down 0.4kv Power Transformer

Product Description

3 phase step down 0.4kv power transformer

Product Description

Power transformer oil immsered overhead transformer rated voltage during 6-35kV, oil immersed transformer are most used in power plant,power grid transmission and distribution station,industry& commerce electrical substation as the electrical equipment of power transmission,
1,Two windings or three windings
2,On-load or no-load voltage tapping changer
3,Natural cooling or force air or oil cooling,
4,capacity range 10-5000kVA

++++Standard Features

1,Product Range:15kVA-10000kVA, up to 44kV
2, System voltage: max. 36 kVA 200 BIL
3,Coolers: corrugated wall or radiator
4,Oil preservation: hermetically sealed or conservator/free breathing
5, Tap changer: off-circuit or on-load
6, Cooling medium: mineral oil, Midel
7, Steel type core clamping system
8, High voltage (HV) multilayer winding
9, Low voltage (LV) foil winding or layer winding
10, Winding materials aluminium or copper
11,High temperature class transformers
12,Low noise solution
13,Efficient transformers with reduced losses
14, Liquid-filled
15,Used in special conditions
16,Sophisticated facilities
17, Usage of wooden case
18, 3D package for drawings
19, Special test like Zero Sequence Impendence test
20, Cooling: ONAN, ONAN/ONAF, KFAF, KFW

++++Service condition
a) Suitable for indoor or outdoor application
b)Air temperature: Maximum temperature: +40ºC; Minimum temperature:-30ºC
c) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
d) Altitude above sea level: Maximum installation altitude: 2000m.
e)Max wind speed:35M/s
f) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
g) No frequent violent shake
Note: * Beyond those services condition should enquiry to manufacturer technical dept during order
++++ Tests
1,   Voltage ratio. Polarity and phase relationship test on each tapping
2,   Resistance of all windings
3,  No-load current and no-load losses measurement
4,   Load losses measurement at rated current and frequency
5,   Impedance voltage measurement
6,   Induced over-voltage and separate source voltage withstand tests
7,  Impulse voltage withstand test.
8,   Noise level test
9,   Oil leakage test
10, Overload test at 150% rated current for one hour after temperature rise test and hot resistance measurement of (HV - LV)
 
 

Rated Power	Load losses	No-load losses	No load current%	Impedance%
S11-30	630	100	2.1	4
S11-50	910	130	2	4
S11-63	1090	150	1.9	4
S11-80	1310	180	1.8	4
S11-100	1580	200	1.6	4
S11-125	1890	240	1.5	4
S11-160	2310	270	1.4	4
S11-200	2730	330	1.3	4
S11-250	3200	400	1.2	4
S11-315	3830	480	1.1	4
S11-400	4520	570	1	4
S11-500	5410	680	1	4
S11-630	6200	810	0.9	4.5
S11-800	7500	980	0.8	4.5
S11-1000	10300	1150	0.7	4.5
S11-1250	12000	1360	0.6	4.5
S11-1600	14500	1640	0.6	4.5

 

Our Services
1,Quick response in before sales period help you got order
 
2,Excellent service in production time let you know each step we made
 
3,Reliable quality solve you aftersale headache
 
4,Long quality waranty ensure you can buy without hesitate
 
Company Information
We are professional manufacturer of power transformer,electrical transformer,step voltage regulator,oil immersed and cast resin dry type transformer
 
ISO9001&14001 approval company
 
Each series transformer we manufacutured was type tested
 
Professional technical team ensure our product was always advanced amony your competitor
Founded in 2006, with a registered capital of 10 million USD, Zhejiang Farady Electric enjoys about 10 years experience in distribution transformer manufacture.
Farady is located in Liushi of Yueqing, a costal city, which is often referred as the Electric Products Capital in China. Boardered by the State road, highway, and high-speed railway, close to
SHANGHAI/NINGBO/WENZHOU sea ports, and the Yongqiang International airport in Wenzhou, we enjoy a great advantage in transportation which thus can guarantee our clients the fast shipping.
Our main products include: step voltage regulator up to 35kV, conventional and complete self-protection transformer, single phase pad mounted transformer, withstand high overload transformer, capacity-adjustable transformer, amorphous transformer, energy-saving transformer, etc green transformer. All the products of ours have passed the national laboratory type test, which also wins the STATE GRID of China as one of our contractors.
The company is equipped with the state-of-the-art technology, sophisticated facilities, ISO9001 quality management system certification and ISO14001 environment certification approval.
We also enjoy the Certification of New Hi-tech Enterprises, National Spark Program, and own more than 70 item transformer patents, with which our products are not only popular in the domestic market but also exported to Southeast Asia, South America, Africa and the middle east.
Today, boasting the value of products specialization, brand management, and business globalization, with the sprits of pragmatism, innovation, efficiency, and responsibility, Farady Company is dedicated to become the biggest name in the international business of transformers in China, and contributes its share to the transformation from the Made in China into the Invented in China.
Certificate