Power Transformer
F Series On Load Tap Changer
China Rockwill F series on load tap changer (OLTC), which has advanced structure, long service life and high reliability. It is normally used in oil-immersed three-phase transformer as three phase step voltage regulator with frequency 50Hz/60Hz, voltage up to 40.5KV and rated current up to 400A.
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China Neutral earthing transformer - Zig zag grounding transformer manufacturer
Neutral Earthing Transformer(Zig-Zag grounding transformer) is a auxiliary transformer for transmission & distribution line protection, Rockwill is a professional manufacturer for earthing transformer
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35kV OLTC Power Transformer
Rockwill 35kV OLTC power transformer which is equiped with OLTC for regulatoring the voltage in an accurate range. It is a main part for used in power transmission and distribution system like substation. It completely complies with IEC 60076 standard for meeting different countries' needs.
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35kV Oil Immersed Power Transformer
Rockwill 35kV oil immersed power transformer is used for AC power transmission system which has advantages of high quality, reasonable price, easy for installation, operation friendly ans so on.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Power transformer
China power transformer 11kV,15kV,22kV,33kV up to 25000kVA. Meeting IEC 60076, GB1094.3,5-2003, GB/T6457-1999 standard.
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Medium Voltage High Voltage Power Distribution Transformer
China medium voltage high voltage power distribution transformer 11kV ,15kV,22kV,33kV up to 25000kVA.
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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.
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36kV Oil Type Power Transformer
Rockwill 36kV Oil Type Power Transformer with capacity from 50kVA - 3.15MVA. It is manufactured with high efficiency, low loss and maintenance free. It complies with IEC60076 and has been solding in Africa, South Asia, Middle East and so on.
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