G S A Industries, Delhi
G S A Industries, Delhi
Rampura, Delhi
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Control Transformer

We manufacture trader and exporter a wide range of Control Transformers, which is fabricated from superior quality of raw materials. The product is appreciated for its durability, comfort, reliability and specific features like optimum performance, latest technology and compact design. These transformers are available in various versions like single phase, three phase, isolation transformer and auto transformer. Packed with latest features, our control transformers are of world beating standards.
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Auto Transformer
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Approx.
Rs 1.5 Lakh
Per Piece(s)

Auto Transformer

We are a leading name in the market for providing Auto Transformers to the client. Their rich attributes such as overload protection, automation operations, rugged construction and durability, makes the auto transformers highly demanded. Our customers can avail the auto transformer in various technical specifications.

 

Features:

 

  • Simple and automated operation
  • Low maintenance
  • Enhanced serving life

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Three Phase Transformer
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Approx.
Rs 25,000
Per Piece(s)

Three Phase Transformer

Three Phase Transformers are used to change values of three phase voltage and current and made up of three sets of primary and secondary windings. Our supremely experienced professionals use only the finest quality materials and follow all industry specifications during making of these quality transformers. Our three phase transformers are available from 500 VA TO 200 KVA.

 

Features:

 

  • Three sets of windings
  • Change the values
  • Long service life

There are only 4 possible transformer combinations:

  • Delta to Delta - use: Industrial applications
  • Delta to Wye/star - use: most common; commercial and industrial
  • Wye/star to Delta - use: High voltage transmissions
  • Wye /star to star / Wye - use: Rare, don't use causes harmonics and balancing problems

DELTA connection:

  • A delta system is a good short-distance distribution system
  • It is used for neighborhood and small commercial loads close to the supplying substation
  • Only one voltage is available between any two wires in a delta system
  • The delta system can be illustrated by a simple triangle
  • A wire from each point of the triangle would represent a three-phase, three-wire delta system
  • The voltage would be the same between any two wires

WYE/Star Connection:

  • In a wye system the voltage between any two wires will always give the same amount of voltage on a three phase system
  • However, the voltage between any one of the phase conductors (X1, X2, X3) and the neutral (X0) will be less than the power conductors
  • For example, if the voltage between the power conductors of any two phases of a three wire system is 208v, then the voltage from any phase conductor to ground will be 120v
  • This is due to the square root of three phase power
  • In a wye system, the voltage between any two power conductors will always be 1.732 (which is the square root of 3) times the voltage between the neutral and any one of the power phase conductors
  • The phase-to-ground voltage can be found by dividing the phase-to-phase voltage by 1.732

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Single Phase Transformers
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Approx.
Rs 1,500
Per Piece(s)

Single Phase Transformers

Single Phase Transformers are to supply power to control and / or auxiliary equipment not intended for direct connection to the main source. Control Transformers are specifically used to provide control supply voltage for the control circuits of AC motor starters, i.e. Starter coils, timers, indicating lamps electronics protection relays etc. Control Transformers for contractor applications have to Energize the coil and Maintain a contact for definite period of time. The initial energizing of the coil takes 5 to 40 mil. seconds and requires 3 to 10 times the normal current. While calculating the VA rating of the Control transformer, this factor should be taken in to account. They are available for single phase and three phase inputs and are in the range from 15 VA to 30 KVA.

Specification:

  • Rating: 250 VA
  • Freq: 50/60 Hz

 

Construction:

  • Control Transformers are two winding transformers with both windings made of copper
  • Power House transformers are made of using high quality materials
  • Electrolytic grade super enameled wire with best insulations are used
  • Core material are CRGO EI or Strip cores. Experienced hands with best machines for winding
  • Ensures best results with minimum size
  • Appropriate class of insulation materials are used
  • Transformers are impregnated in insulating varnish for long lasting performance
  • Input and out are terminated on Bakelite board with proper size of terminals

Information required while ordering:

Input supply:

  • Voltage, Frequency and Number of Phases i.e. Single or Three Phases
  • In case of Three Phase system Type of connection- Star / Delta / Vector group

Output:

  • Voltage and current in of each secondary winding( if multiple out put windings are required)

Class of insulations:

  • Service conditions if other than standard service conditions

Application Specific Transformers:

We make transformers as per specific requirements and some of standard applications are:

  • Auto Transformers for auto transformer starter
  • High voltage transformers
  • High current transformers for load testing
  • Potential Transformers for metering and instrumentation
  • Short Circuit-proof transformers
  • Pulse transformers for power electronics

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Control Transformer
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Approx.
Rs 35,000
Per Piece(s)

Control Transformer

We provide a solution to the variegated demand of Control Transformer in the market. It is a static machine used for transforming power from one circuit to another without changing frequency. it is generally used in transmission network which is normally known as power transformer, distribution transformer is used in distribution network and this is lower rating transformer and current transformer & potential transformer, we use for relay and protection purpose in electrical power system and in different instruments in industries are called instrument transformer.

 

Features:

 

  • Changing magnetic flux
  • Varying electromotive force
  • Multiple size and capacity

Other Details:


  • Transformer converts single phase to three phase or vice versa, single phase to 3 phase transformer useful where their is only single phase connection available or vice versa ,one phase to 3 phase transformer / one phase to 3 phase converter

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Isolation Transformer
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Approx.
Rs 20,000
Per Piece(s)

Isolation Transformer

Being one of the leading names in providing excellent quality products and services, we are offering Isolation Transformers used to decouple two circuits. Our transformer allows an AC signal or power to be taken from one device and fed into another without electrically connecting the two circuits. Made from latest technology and equipment with the help of highly qualified professionals, these are extensively used in computers and laboratory instruments.


Features:

 

  • Decouple two circuits
  • Easy feeding of power
  • Efficient operation

 

Standard Isolation Transformers:

  • Isolation Transformers have primary and secondary windings that are kept physically separate
  • Sometimes isolation transformers are called "insulated transformers"
  • This is because the primary and secondary windings are insulated from each other
  • In an isolation transformer the output winding will be isolated, or floating from earth ground, unless bonded when it is installed

Shielded Isolation Transformers:

  • Shielded isolation transformers have all the features of the standard isolation transformers plus they also incorporate a full metallic shielding (this shielding is often copper or aluminum) between the primary and secondary windings
  • These shielded isolation transformers are then referred to as electrostatically shielded isolation transformers

The electrostatic shield ("Faraday Shield") is connected to earth ground and performs two functions:

  • It filters (attenuates) voltage spikes (voltage transients)
  • These shielded isolation transformers have an attenuation ratio of 100 to 1
  • It filters common mode noise
  • This is usually an attenuation of approximately 30 decibels
  • Shielded isolation transformers are preferred over standard isolation transformers because it provides protection for sensitive and critical equipment
  • When more than one shielded isolation transformer is installed between the source and the load, this is referred to as "cascading" and vastly improves power quality

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Resin Cast Control Transformer
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Approx.
Rs 1.1 Lakh
Per Piece(s)

Resin Cast Control Transformer

Transformers are electric equipment that changes the voltage and the current of electricity to facilitate its efficient transmission and distribution. Transformers are commonly used at power generation facilities to increase voltage and to decrease current in order to transport electric energy across transmission lines. When the electricity reaches the end user, transformers are used to reduce voltage and to increase current to make the electricity suitable for general use. The process of transforming voltage results in energy loss that is released in the form of heat and therefore transformers must contain effective cooling systems. Transformers are differentiated by their cooling systems (this is one of several ways that the transformer industry classifies its products). Dry type transformers dissipate heat directly into the ambient air. Liquid cooled transformers (e.g. oil filled transformers) dissipate heat into liquid mediums.

In a cast resin transformer, the dry epoxy resin coating the transformer coils serve as the insulation medium between coils. To ensure effective insulation, appropriate precautions must be maintained to ensure that any moisture or condensation has been removed when the epoxy resin is cast. Our cast resin transformers use four main types of insulation systems. The insulation systems used are: 155 degree Celsius Class “F” per IEC60076 (International Electro technical Commission) and 180 degree Celsius Class “H” for the Chinese market and 150 and 185 degree Celsius per ANSI (American National Standard Institute), IEEE (Institute of Electrical and Electronics Engineers), and NEMA (National Electrical Manufacturers Associations) standards for the U.S. and North American markets.

We manufacture cast resin transformers for a wide range of infrastructural and industrial applications, including:

  • Cast resin dry type distribution (dual voltage) transformers, which are used in a wide range of infrastructure, commercial, and residential developments to step down the voltage of electricity from the electric grid to lower levels
  • Cast resin dry type traction rectifier transformers, which are used in subways and light rail systems to deliver power to rail electrification systems
  • Cast resin dry type transformers for variable frequency drives, which are used in wide range of industrial applications to deliver power to drive electric motors
  • Cast resin dry type transformers for marine applications, which are used on board ships or off shore platforms
  • Cast resin dry type transformers for wind applications, which are used in wind farms (either in or outside the tower) to step up voltage of the electricity generated for transmission in medium voltage electric grids
  • Cast resin dry type transformers for solar applications, which are used in solar farms to step up voltage of the electricity generated for transmission to medium voltage
  • Cast resin dry type transformers for Polycrystalline Silicon Reduction Furnace, which are used by manufacturers to deliver power to polycrystalline manufacturing facilities
  • Cast resin dry type isolation transformers, which provide galvanic isolation to transfer power between two circuits not connected together and to protect against electric shock and suppress electric noise is sensitive devices

Additional Information:
  • Minimum Order Quantity: 0 Piece(s)
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Lighting Transformers
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Approx.
Rs 1 Lakh
Per Piece(s)

Lighting Transformers

Lighting Transformers are designed to supply power to lighting equipment in a commercial / industrial / domestic unit. Its primary supply connected to higher voltage source and secondary is to be connected to load. These serve as isolation between primary and secondary, it also restricts any high voltage spikes and EMF coming with the raw mains incoming power. It also restricts short circuit current in the load and saves major accidents.

 

Features:

 

  • Restrict short circuit current
  • Serve as isolation
  • Supplies power

Construction:

  • Control Transformers are two winding transformers with both windings made of copper
  • Power House transformers are made of using high quality materials
  • Electrolytic grade super enameled wire with best insulations are used
  • Core material are CRGO EI or Strip cores
  • Experienced hands with best machines for winding ensures best results with minimum size
  • Appropriate class of insulation materials are used
  • Transformers are impregnated in insulating varnish for long lasting performance
  • Input and out are terminated on Bakelite board with proper size of terminals

Information required while ordering:

  • Input supply: Voltage, Frequency
  • Out put: Voltage and current in of each secondary winding( if multiple out put windings are required)
  • Class of insulations: Service conditions if other than standard service conditions

Application Specific Transformers:

We make transformers as per specific requirements and some of standard applications are:

  • Auto Transformers for auto transformer starter
  • High voltage transformers
  • Inverter Transformers
  • Battery Charger Transformers
  • High current transformers for load testing
  • Potential Transformers for metering and instrumentation
  • Short Circuit-proof transformers
  • Pulse transformers for power electronics

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