380V / 120V Isolation Transformer Apply Into Industrial Field
Model No.: KWB
Advanced and reasonable structure, small volume light weight, convenient
installation, maintenance-free and economical.
Low noise and low loss, good heat dissipation performance, strong loading ability.
Moisture proof performance, it can run in 95% relative humidity
Low value of partial discharge, can guarantee long term safety operation in working voltage
It can increase 40-50%of rated capacity shortly in forced air cooling
Good insulation performance, high tolerance for lightning impulse level, and strong ability to bear sudden short circuit.
It is high mechanical strength and good thermal stability. With rational combination of insulation material, it can obtain the same temperature expansion coefficient with copper conductor.
The computer temperature controller automatic monitoring and protection provides reliable safeguard for transformer's safety operation.
It is with strong ability of flame retardant and automatic flameout. It can install in load center.
Rated high voltage:10 (10.5,11,6,6.3,6.6.)kV
High voltage tapping range: ±5% or ±2*2.5%
Rated low voltage: 0.4kV, 0.415kV, 0.433kV
Connection symbol: Dyn11, Yyn0
Insulation level: LI75AC35/LI0AC3
GB1094.11-2007(Instead of GB6450-1986)
GB/T10228-2008(Instead of GB/T10228-1997)
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Company Profile of KeWang Group
Kewang was established in 1995 with headquarter in Songshan Lake National High-Tech Industrial Development Zone, Donguan city, Guangdong Province, China. It has a total construction of 50.000 square meters which consists of two subsidiaries, Dongguan Kewang Technology Co., Ltd, & Jiangxi Kewang Technology Co., Ltd. Dongguan Kewang is the Group's high class product development, manufacturing and sales base. Jiangxi Kewang is the Group's Conventional products R & D, manufacturing base, with an area of 130,000 square meters. Kewang Group is a high-tech enterprise norminated by Guangdong Government. It's engaged in new energy and power supply whose business covers power devices for Wind Energy, Solar Energy, and Natural Gas. It's dedicated to R&D, manufacturing,sales & engneering of high/ low voltage transmission, distribution devices & related power devices. Moreover, it provides integrated solutions for enterprises power suply, data center, and distributed new energy. Kewang has been serving for royal customers over 40 countries, with recognized good quality & professional service. As a leading power supply company, Kewang Group had taken the lead to be qualified with the ISO9001 quality system certification & ISO14001 environment system certification, and the CCC China mandatory certification. Its products are qualified with European CE certification and American UL certification. We had taken 11 projects norminated by the local government: 4 of which had won government's scientific prizes, and over 30 patents had been achieved. We keep consistent cooperation with South China University of Technology and Wuhan University. With the introduction of high class technical talents, we integrate various resources for R&D, quality& management improvement-- these cooperation enable us to set up strong advantages in techniques, talents & brand promotion. Kewang group upholds the principle of "Technology Oriented & Sustainable Operation". We keep introduction of new techniques for innovated products, keep on improving management & optimizing product quality. We are dedicated to prvode global customers power solutions which are reliaible, energy-saving & environment-friendly. We create win-win value for customers, and return value to the piblic, which's our original motivation as Kewang's "beginner's mind". Main machines we use for manufacturing
Voltage regulators / stabilizers, gensets, tranformers,UPS etc Machines for production
Vertical winding machine
Toroidal Winding Machine
Foil winding machine
Vacuum impregnation machines
Machines for testing
3 Phase intelligent power measuring electric meter
Negative load test box
Aging test room
TEAM WORK SHOW of KEWANG GROUP
Quality Assurance System of Kewang Group 1.Supplier Evaluation 2.Income Inspection ( Material Purchasing ) 3.Testing (Winding ) ( Lamination stacking )(VPI Peration) 4.F/G Ispection ( Assembling and Cleaning ) 5.Packing 6.Shipping
Our Service 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 FAQ Q1: What is the Guarantee?
A1: 12 months (for free) from the date of B/L. Important: 1. The efficiency of our Voltage Regulators / Stabilizers are 90% to 95% (some series of them reaches 95%), please don't let them work overload! 2. Please make sure that all the electric wires are connected correctly according to the electric diagram! Q2: Can we put/show our own Logo on your products? A2: Yes, no problem, however, the quantity should be a bit bigger. Q3: For your products, can we take our Favourite Colours? A3: Yes, no problem. But we need certain quantity , all colors need to be debugged. Q4: Is OEM/ODM available? A4: Yes, it is! Our products can be Customized. We have 20 senior engineers in our R&D Dept., we design and produce all kinds of Automatic Voltage Regulators/Stabilizers ,transformers according to our customers' specific requirements. Q5: How about the Packing? A5:All exported goods are packed with compsite board cartons , so that we could better protect our roducts and also easier for being piled up Q6: How about the Delivery Time? A6: Generally speaking, it takes us 2 weeks to produce the goods after deposit or L/C. Q7: What is your monthly output? A7: 6000pcs Q8: What is the MOQ? A8: For the small capacity products (Automatic Voltage Regulators/Stabilizers) of the default configuration, it is 5 sets. For the big capacity products, it is 1 set. Q9: How about the Delivery Terms? A9: By sea or by air or by road, FOB ,CFR, CIF, etc. any is acceptable to us. Besides, some items can be sent by international express, such as DHL,TNT,UPS,EMS, Fedex, etc. Q10: Can you offer Form A or Form E or C/O ? A10: Yes, no problem, we can apply for it from our local government. Q11: What kind of Certificates do you have? A11: ISO9001:2008 ( Register Number : UQ110457R0) (Website :www.uicc-web.com) ISO14001:2004 ( Register Number :UE120063R0) (Website :www.uicc-web.com) CE can made according to customers' requirements Fifth-Class Qualification of Transmission and Distribution projects. License of Telecom Equipments Network (issued No. 25-4751-011468) Member of CPSS (ZHGT ZI No. 654) High-Tech Enterprise Q12 :What patents do you have ? 1.)Patent Name : UPS power with dual core isolation transformer leakage inductance
Patent Number : ZL200420095777.2
2.) Patent Name : Three-phase UPS load output isolation transformer balanced structure
Patent Number : ZL200520067082.8
3.) Patent Name : Adjustable Precision winding mode for the square core transformer and reactor coils
Patent Number : ZL201220003826.X
4.) Patent Name : An improved three phase shift reactor
Patent Number : ZL201220004052.2
5.) Patent Name : An improved phase-shifting rectifier transformer
Patent Number : ZL201220035747.7
6.) Patent Name : Oblique laminations for transformer means sewn directly or reactor core in square
Patent Number : ZL201220035746.2
7.) Patent Name : An easy cooling coil transformers and reactors
Patent Number : ZL201220202948.1
8.) Patent Name : A co-yoke filter reactor
Patent Number : 201,210,144,509.4
9.) Patent Name : PV isolation transformer cores for tensioning devices
Patent Number : ZL201320174097.9
10.) Patent Name : Winding mold for photovoltaic reactor with iron core
Patent Number : ZL201320174024.X
11.) Patent Name : Parking solar charging station
Patent Number : ZL201220732233.7
12.) Patent Name : An inverter PV filter reactor coils
Patent Number : 201,320,816,933.9
13.) Patent Name : For transformer or reactor coil end insulating structure
Patent Number : 201,320,817,109.5 Q13: What is the Terms of Payment?
A13: L/C, T/T Q 14.What to do? A 14. To enter into a long term good/happy business relationship on the basis of mutual benefit, please contact us now.We'll answer/reply you within 24 hours (except our holidays) after we see your inquires. Contact us if you need more details on Transformer. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Voltage Transformer、Electric Transformers. If these products fail to match your need, please contact us and we would like to provide relevant information.
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