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INNOVATIVE ENGINEERING SOLUTIONS for YOUR PUMP and GEAR BOX NEEDS

Generator Transformers

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Technical Specs

  • Power Range: 25 to 600 MVA

  • Voltage Range: 33 to 400 kV

  • Standards: ANSI, IEC, IS, BS, Others

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Features​​

  • Better short circuit strength

  • Compact design

  • Durability

  • Optimum losses

  • Lower footprint

  • Low temperature rise

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Shunt Reactors

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Technical Specs​

Dielectric Analysis:

  • Winding Insulation

  • Impulse Withstand

  • Oil Duct Stresses

  • Creep Stresses

Electro-Magnetic Analysis:

  • Stray Losses in Structures

  • I²R and Eddy Losses in Windings

  • Reactance

  • Tank Hot-Spot

Thermal Analysis:

  • Core Temperature

  • Winding Gradient

  • Cooling

  • Oil Flow

Structural Analysis:

  • Clamping Structure

  • Pressure Withstand

  • Vacuum Withstand

  • Seismic Stability

  • Transport Capability

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Features​​

  • Compliant with IEC, ANSI, BIS, ISO and other international standards

  • Customized to customer’s specifications

  • Capable to withstand extreme environmental conditions

  • Capable to withstand seismic, wind and ice loads

  • Capable to withstand transport shocks

  • Low noise and vibration levels

  • Low weight and less carbon footprint

  • Easy assembly with fewer loose parts

  • Arrangements for worker safety at substations

  • Compact size requires lower expenditure on civil structures

  • Easily transportable to remote sites with narrower roads

  • Transportability through road, rail, sea and air

  • Require low maintenance

 

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Auto Transformers

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Technical Specs​

  • Power Range: 50 to 1,500 MVA

  • Voltage Range: 132 to 765 kV

  • Standards: ANSI

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Features​

  • Better short circuit strength

  • Compact design

  • Durability

  • Optimum losses

  • KEMA Tested

  • Epoxy bonded CTC for common winding to improve short circuit withstand strength

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Furnace Transformers

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Technical Specs​

  • Ratings: 12 to 46 MVA

  • Voltages: 0.7 to 33 kV

  • Standards: ANSI, IEC, IS, BS, Others

 

Features

  • Customized designs

  • High Endurance Capability against Frequent Short Circuits

  • Unique designs

  • Optimum losses

  • Long life

  • Sustain durability

  • Low maintainance

 

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Low Power Transformer Up To 50 MVA, 132 Class

Low Power Transformer Up To 50 MVA, 132

Technical Specs

  • Ratings: 4 MVA to 50 MVA

  • Voltage: Up to 132 kV

  • Description: Low power transformers are used to step down high voltage (e.g., 132 kV / 66 kV) to medium voltage (e.g., 33 kV / 11 kV)

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Applications

  • Oil and Gas, Infra - Projects, Mines Metal Minerals, Railways, FMCG, Power Generations, Smarts Cities, SEBs, etc.

    End Applications:

    • Generator Transformers are used as step up transformer at generator end application  

    • Station Transformers are used to supply auxiliary load to power plant 

    • Unit Auxiliary Transformer are used to supply power to auxiliary equipment

    • Multi winding Transformers are used in rectifier duty application

    • System Transformers are used as intermediate to step down the voltage

Solar Transformer

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Technical Specs

  • Rated Power: Up to 5 MVA

  • Rated Voltage: Up to 36 kV

  • Phases: 3 Phase Unit

  • Rated Frequency: 50 Hz

  • Type of Cooling: ONAN

  • Manufacturing Standards: IS 2026

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Features

  • Proven technology of CG Global design having superior short circuit withstand Capability.

  • Manufacturing technology with automatic SCADA controlled CNC machines for maintaining process parameters during windings and achieving high quality electric and mechanical connections.

  • All the ratings are type tested as per IS: 2026.

  • CG is partnering with global leaders for exploring potential of solar energy & introducing advance technology.

DT as per IS1180 

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Technical Specs

  • Ratings: 315 kVA to 4 MVA

  • Voltages: 3.3 kV to 33 kV

  • Standards: IS 1180 (BIS) / IS 2026 (BIS) / IEC 60076

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Features

  • Automated production resulting in uniform quality by using CNC machines.

  • No axial force under short circuit condition due to foil construction resulting in increased reliability.

  • Increased withstand capacity during short circuit due to increase in the surface area of winding.

  • Compact Transformer.

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Applications

  • Refineries, Chemical Plants, Cement Plants, Large Infra Projects, Smart Cities, SEBs, Various Industries etc.

    1. Industrial Transformers are used in Industries to cater lighting load & load of 3 ph motors

    2. Sub Station Transformers are used in substation to provide electricity to house hold

    3. Multi winding Transformers are used in converter inverter duty application

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Dry Type Cast Resin Transformers

Dry Type Cast Resin Transformers_edited.

Technical Specs

  • Type: Vacuum Pressure Impregnated or Cast Resin Type

  • Output: 315 kVA to 3,000 kVA

  • Voltage: 3.3 kV to 33 kV

  • Frequency: 50 Hz or 60 Hz

  • Standards: IS and IEC

  • Insulation: Class H or F

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Features

  • Permium Quality Casting

  • Non- Hygroscopic

  • Non-Inflammable

  • High short circuit strength

  • High impluse strength

  • Low losses

  • Long life cycle

  • Low Maintenance

  • Low cost installation

  • Space saving

  • Certified safe

  • State-of-the-art construction for optimum performance

  • Safety features of low voltage windings

  • Safety features of high voltage windings

  • Optimal thermal protection

  • Environment friendly

  • Easy installation and connection

  • Reliable

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Bio Transformers up to 132 KV Class

Bio Transformers up to 132 KV Class_edit

Technical Specs

  • Ratings: 315 kVA to 4 MVA

  • Voltages: 3.3 kV to 33 kV

  • Standards: IS 1180 (BIS) / IS 2026 (BIS) / IEC 60076

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Features

  • Updated electrical design due to permittivity changes.

  • Tailored cooling design due to viscosity changes.

  • Experimentally validated in house design software.

  • Adapted procedures for impregnation & oil filling process.

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Applications

  • In ecologically sensitive locations.

  • Specific regulations apply.

  • Near rivers and lakes.

  • Near drinking and groundwater reserves.

  • Near crowded place

  • Industrial Transformers used in Industries to cater lighting load & load of 3 ph motors

  • Residential Transformers for distribution of power to house hold.

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Metro Traction Transformers

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Technical Specs

  • Ratings: Up to 30.24 MVA

  • Voltage: Up to 132 kV

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Features

  • Traction transformers are critical components in the traction chain, affecting both train performance and operator services.

  • CG supplies traction transformers for all applications: locomotives, tram-trains and AC metros offering different designs in terms of size, weight and power ratings.

  • They can be mounted either in the machine room of the train, on the roof or under the floor, providing maximum flexibility and reliability in single and multiphase systems.

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Applications

  • Traction Transformers are used in Railways to give power to DC/AC motors in engine.

  • Track side Transformers are used to step down the voltage to the level of catenary voltage i.e. 25 kV

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