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The Harm of Three-phase Current Unbalance in Transformer
1. Influence on distribution transformers (1) The three-phase load imbalance of power transformer will increase the loss of transformer: the loss of transformer includes no-load loss and load loss.
Date：2020-10-05 View：1955
What is Distribution Transformer
Basic knowledges about distribution transformer, including definition, types like oil immersed type, dry type, pad mounted type, pole mounted type. Distribution transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines
Date：2020-07-17 View：988
Step Voltage Regulator and Transformer Workshop
Step Voltage Regulator and Transformer Workshop - Step voltage regulator and transformer workshop is capability of manufacturing AVR and transformer from 2.4kV up to 66kV, 30MVA rating at max.
Date：2019-09-03 View：928
Profile of Rockwill Electric Group
Rockwill Electric Group is focus on power transmission & distribution line business, gains worldwide high reputation for its own technology smart grid products like: smart power transformer, smart distribution transformer, smart switchgears, etc.
Date：2019-08-05 View：1289
What is compact substation CSS
What is compact substation CSS? The CSS Compact substation is actual a prefabricated eletric equipment unit which is comprising of MV & MV switchgear, Power & Distribution transformer, LV switchboard, Connection busbar and other accessories.
Date：2019-05-09 View：602
Rockwill Group products in west africa
Rockwill Group products in west africa Switchgear installation Distribution transformer
Date：2019-04-04 View：366
220kV Power Transformer
220kV three-phase oil immersed on-load voltage regulating power transformer. It is characteristic of compact construction, low weight, high efficiency, low loss and low noise, reliability of performance.
Date：2020-09-16 View：576
Medium Voltage High Voltage Power Distribution Transformer
China medium voltage high voltage power distribution transformer 11kV ,15kV,22kV,33kV up to 25000kVA.
Date：2020-09-16 View：466
Power transformer
China power transformer 11kV,15kV,22kV,33kV up to 25000kVA. Meeting IEC 60076, GB1094.3,5-2003, GB/T6457-1999 standard.
Date：2020-09-16 View：589
Oil Type Rectifier Transformer
China oil type rectifier transformer manufactured by Rockwill with a low price and good quality. Products meet the IEC60076 Standard and customization available. It has exported to many countries like South Africa, Mozambique, Tanzania, Uganda, Ethiopia, etc.
Date：2020-09-16 View：242
S11 33kV Oil Immersed Power Transformer
China oil filled power transformer manufactured by Rockwill with a low price and good quality. Products meet the IEC60076 Standard and customization available. It has exported to many countries like South Africa, Mozambique, Tanzania, Uganda, Ethiopia, etc.
Date：2020-09-16 View：515
33kV 11kV oil immersed power transformer
Low loss oil immersed distribution transformer is mainly made of iron core and windings which are placed in the oil tank that filled with insulating oil. It is mainly used for power plant, power transmission and distribution station as the equipment of power transmission.
Date：2020-09-16 View：794
Oil Filled Power Transformer
China oil filled power transformer manufactured by Rockwill with a low price and good quality. Rated voltage includes 11kV , 15kV, 22kV, 33kV. Supporting customization. It has exported to many countries like South Africa, Mozambique, Tanzania, Uganda, Ethiopia, etc.
Date：2020-09-16 View：474
110/66 kV Power Transformer
China 110/66 kV power transformer manufactured by Rockwill with a low price and good quality. Supporting customization. It has exported to many countries like South Africa, Mozambique, Tanzania, Uganda, Ethiopia, etc.
Date：2020-09-16 View：480
35kV Power Transformer
China 35kV power transformer manufactured by Rockwill with a low price and good quality. Supporting customization. It has exported to many countries like South Africa, Mozambique, Tanzania, Uganda, Ethiopia, etc.
Date：2020-09-16 View：919
Furnace Transformer
China furnace transformer has features like small size, light weight, high efficiency, low loss, low noise, reliable operation and large overloading capacity, etc.
Date：2020-09-16 View：770
11KV 3 phase oil immersed distribution transformer
Rockwill oil immersed transformers sell well all over the world, including Ethiopia, Malaysia, Thailand, Kenya, Mozambique, Congo, Rwanda, Pakistan, South Africa and so on.
Date：2020-09-16 View：2935
Distribution transformer with amophous coil low loss
Three phase amorphous coil distribution transformer with standard fully complied with IEC60076, GB1094-1996. The oil immersed transformer has rated voltage during 6-35kV, it is most used in power plant, power grid transmission and distribution station, industry& commerce electrical substation as the electrical equipment.
Date：2020-09-16 View：2566
20kV SCB10 cast resin distribution transformer dry type
Three phase dry type cast resin distribution transformers manufactured by Rockwill. Full complied with IEC60076, GB1094-1996. Having low price and high quality.
Date：2020-09-16 View：4797
11/0.4KV 50kVA oil-immersed Distribution transformers
China Distribution transformers oil-immersed with power rating from 25 to 2500 kVA and Voltage 6-36/0,4 (0.23)kV. In 50/60 Hz power transmission and distribution system for power supply and lighting in industrial and agricultural field.
Date：2020-09-16 View：3708
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Add: Wengyang Industrial Zone,Wenzhou City, Zhejiang Province,China.

Call: +86-577-27869969

E-mail: barry@rockwill.cn

About Us

SF6 Load Break Switch Factory

SF6 Load Break Switch Factory
Ring Main Unit Factory

Ring Main Unit Factory
Low Voltage Switchgear Assembly Line

Low Voltage Switchgear Assembly Line
Step Voltage Regulator and Transformer Workshop

Step Voltage Regulator and Transformer Workshop
Rockwill Testing Laboratory

Rockwill Testing Laboratory
Rockwill Metal Clad Switchgear Factory

Rockwill Metal Clad Switchgear Factory
Auto Recloser Workshop Factory

Auto Recloser Workshop Factory
Profile of Rockwill Electric Group

Profile of Rockwill Electric Group

Success References

Auto Relcoser and Outdoor SF6 LBS in Tanzania

Auto Relcoser and Outdoor SF6 LBS in Tanzania
No.6: Smart SCADA solution achieve greatly cost saving by reducing power line losses !

No.6: Smart SCADA solution achieve greatly cost saving by reducing power line losses !
Nowadays exceed 1200 number Auto reclosers running in Africa

Nowadays exceed 1200 number Auto reclosers running in Africa
110kV substation completed in Afghanistan

110kV substation completed in Afghanistan
Kenya Diesel Generation Substation Project

Kenya Diesel Generation Substation Project
China Outdoor Vacuum Recloser in Ukraine

China Outdoor Vacuum Recloser in Ukraine
Step Voltage Regulator is Running Well in Russia

Step Voltage Regulator is Running Well in Russia
Supporting Pamir Energy for the Solar Power Project

Supporting Pamir Energy for the Solar Power Project