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Transformer Types Back

 

Crompton Greaves supplies widest range of Distribution Transformers . We are among few companies world wide to design & manufacture a comprehensive range of Transformers meeting International standards with world class inputs at our plants in Mumbai, Gwalior and Bhopal.

Expect it from Crompton Greaves : Reliability, Quality, Delivery and service they are essential ingredients of the unrivaled total performance inherent in every Crompton Greaves Distribution transformers.Their reliability measured by in service performance rates. Their quality measured by thenumber on units received by the customers meetings specific application, yet performing at improved efficiencies.
t Conventional Oil Filled t Earthing
t Special t Dry Type
t Fumace Duty t Package Sdubstation
t Locomotive    

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Conventional Oil Filled
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Standard Range Transformers ( FLEXTRA) : Range : 250 - 2000kVA
These transformers are standard in nature from design & manufacturing point of View. CGL can offer 11 kV transformers up to 2 MVA, with 3-4 weeks Delivery period.

Low loss transformers : Range : 250 - 5000kVA

These transformers are designed as per customer specified loss parameters or Capitalisation formula. CGL can offer transformers up to 5 MVA, up to 66 kV with delivery 2-3 weeks.

Low power transformers : Range : 5000-20000kVA
These transformers are designed as per customer specified loss parameters or Capitalisation formula.View. CGL can offer transformers up to 20 MVA, up to 66 kV with delivery 10-12 weeks from drawing approval.
 

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Special Top
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Induction Furnace/Thyristor/ Rectifier Duty transformer :
Range : upto 10,000 kVA, 33 kV
Applications : These are otherwise normal transformer but with extra care taken in design and manufacture of the harmonics which are likely to appear in the transformer windings. These harmonics are likely to increase the stray losses in the transformer. Mainly used in Railways Electric power stations and industrial applications .
 

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Fumace Duty Top
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Range : upto 5000 kVA, 33 kV
Applications: These are used to use with arc or induction furnaces of all sizes with on load tap changers or motorized off ckt tap switches (Complete with all limiting reactors in certain application). Mainly used in steel palnts , gas factories, Al industries, Calcium Carbide industries.
 

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Locomotive Top
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Range : Single phase and three phase up to 7500 kVA
Applications : These transformers are mounted on Locomotive in Engine Compartment itself, to step down the voltage collected from over head lines. The voltage at 25KV is stepped down to 865 or 1760 Volts . These voltages are further rectified through converters to suitable DC voltages specified for the traction motors , which drive the trains. Mainly used by Chittaranjan Locomotive works.
 

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Earthing Top
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Range : 100 kVa - 1250 kVA 66 kv Class
Applications : These transformers are use to get a neutral point and to provide earthing for non grounding systems eg. When delta connected windings between two transformers are connected , the system is not earthed . In such system earthing transformer provides grounding and provision of protection against earth faults. These are commonly"inter -star" or even known as Zig -Zag connected transformers. Mainly used by Electricity boards, supply undertakings etc.
 

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Dry Type Top
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Range : 200 kVA to 5000 kvA, 36 kV Class
Applications : Fire safety and environmental aspects are of increasing importance especially in respect of energy supply. The substitution of oil filled transformers by dry type transformers is one of the most urgent things to do . These transformers are used when it has to be located near load center and in a fire hazardous place. As there is no oil used in the transformer and special type of fire resistant insulation are used for the windings the fire risk is considerably reduced in this type of transformers .
Modern Dry type transformers are especially desired to offer minimum combustion energy by an economic recycling possibility of winding copper. Mainly used in steel Mining, railways, hotels, high rise buildings, hospitals etc.
 

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Package Sdubstation Top
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Range : 200 kVA to 5000 kvA, 36 kV Class
Applications : Fire safety and environmental aspects are of increasing importance especially in respect of energy supply. The substitution of oil filled transformers by dry type transformers is one of the most urgent things to do . These transformers are used when it has to be located near load center and in a fire hazardous place. As there is no oil used in the transformer and special type of fire resistant insulation are used for the windings the fire risk is considerably reduced in this type of transformers .
   
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