General

CHNGS offers a complete range of distribution transformers designed to grant the reliability, durability, and efficiency required in utility, industrial, and commercial applications. Farady’s liquid-filled transformers are manufactured in accordance with the most demanding industry and international standards. Compliance with important standards, from IEC to VDE, is a matter of course, just as much as the exclusive use of high-quality materials. Qualified employees implement the demanding standards in daily practice.

Standard & Features

-Product Range:15kVA-20MVA, up to 44kV

-System voltage: max. 36 kVA 200 BIL

-Coolers: corrugated wall or radiator

-Oil preservation: hermetically sealed or conservator/free breathing

-Tap changer: off-circuit or on-load

-Cooling medium: mineral oil, Midel

-Steel type core clamping system

-High voltage (HV) multilayer winding

-Low voltage (LV) foil winding or layer winding

-Winding materials aluminium or copper

-High temperature class transformers

-Low noise solution

-Efficient transformers with reduced losses

-Cooling: ONAN, ONAN/ONAF, KFAF, KFW

Service Condition

a) Suitable for indoor or outdoor application

b)Air temperature: Maximum temperature: +40℃; Minimum temperature:-30℃

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

Technical Data

Factory Test

• Voltage ratio. Polarity and phase relationship test on each tapping

• Resistance of all windings

• No-load current and no-load losses measurement

• Load losses measurement at rated current and frequency

• Impedance voltage measurement

• Induced over-voltage and separate source voltage withstand tests

• Impulse voltage withstand test.

• Noise level test

• Oil leakage test

• Overload test at 150% rated current for one hour after temperature rise test and hot resistance measurement of (HV – LV)

Professional Oil Immersed Transformer supplier and manufacturer 

1. 1. Zhejiang GONGSHUN Electrical Co.,Ltd (electricgs.com), Our company was founded in the late 1990s, specializing in the production of inflatable cabinets, SF6 inflatable cabinets, and various high and low voltage complete sets of electrical equipment. It has multiple subsidiaries under its jurisdiction, including high-voltage load switch branch, high-voltage circuit breaker branch, high-voltage fuse branch, and technology development branch.Our technical expertise, comprehensive product portfolio and long-term rich experience are helping many customers in need to solve their power problems. We’re happy to help at any time.  Whether you need application product advice or technical assistance, our global service team is committed to providing you with the right support. For more technical information about medium voltage earthing switch, feel free to contact us, send an email to gongshun@electric-cn.com 
   2. Our company specializes in producing 12KV-40.5KV series high-voltage electrical products: FZN58, FLN48, FLN36, FZRN25, FZN21, FN18, ZFN16, FN12, FN8, FN7, FN5, XRNT, XRNP, VS1, ZN28, ZW8, ZW32, JN15, GN19, GN22, GN24, GN30, CLXGN15-12, HXGN □ -12, DXG-12 (L), DFW □ -12 high-voltage cable branch box, CLXGN □ -12 (SF6) series inflatable cabinet 12KV and 35KV cable accessories, etc; CLVXP-12 indoor AC high voltage fixed switchgear, CL-SIS-12 compact solid insulated ring main unit, professional assembly Schneider SC6 (SF6) series load switchgear, ABB produced SFG (SF6) series load switchgear and other series products; Distribution and agency of high-voltage load switches and inflatable cabinets produced by Schneider Electric and ABB; Siemens produces the 3AJ1 series of indoor medium voltage vacuum circuit breakers and other related products. The company has a complete range of products and has been operating safely on domestic and international power grids for a long time, receiving unanimous praise from both new and old users. Among them, multiple products such as FZRN25, FN12, FLN36-12, XRNT-12 have been exported to various countries and regions in East Asia, South Asia, Southeast Asia, Africa, and the United States.