Tesla Transformers Limited Tesla Transformers Limited

Electrical Transformer

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Our product range includes a wide range of Electrical Transformer such as Unitised Transformers, Power Transformers, Cast Resin Transformers and Dry Type Transformers.


Unitised Transformers
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We specialize in manufacturing Unitised Transformers that are available in compact sizes, used in outdoor locations and are suitable for frequent shifting. Transportable Substation is mainly used for feeding power from high voltage to low voltage in open cast mines, metro cities and construction sites. The substation is mounted and installed on wheels or skid frames or channels and are provided with that of lifting hooks. The unitised substation consists of the following main components:

 

  • Outdoor type Transformer are available upto 1600KVA 11KV-6.6KV-3.3KV/415V, DYn11, ONAN with off load tap changing switch. These standard fittings are in compliance with IS/IEC standards. The transformers are provided with HT Flange that has bushings and are coupled directly with that of outgoing HT Panel and LT flange with the incoming of LT Panel. The transformer can be either Dry type with Nomex insulation or Oil immersed type. In Dry type transformer, the total unit is housed in a single outdoor type enclosure instead of three separate enclosures

 

  • Vacuum Circuit Breaker panel in outdoor enclosure upto 11KV 1250 and is complete with PT, CT, Relay & Instrument Chamber. The outdoor panel is directly coupled with that of HT Flange of the transformer by means of copper busbars. The incoming of this HT Panel is provided with either cable box or plug socket. In addition, a Ring Main Unit or a Load Break Switch can be coupled with the HT bushing of the transformer

 

  • LT Panel is outdoor type that comprises of one or more air circuit breaker or MCCB either in board or single formation. These transformers are suitable for system voltage of 415V, 3-Phase 50 C/S. The incoming LT Panel is coupled directly with that of LT flange of the transformer. The outgoing is either plug or cable box & socket arrangement is used for feeding power to that of LT equipment


Power Transformers
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Power Transformers hot

We manufacture and supply power transformers that are of high performance and are available with large support system. In addition, we provide turnkey solutions that include installation, development, manufacture and commissioning of power transformers. These are mainly used for power stations, transformers stations and auxiliary plants for generating stations, special transformers for transport and industry, reactors and accessories.

Our products meet international quality standards and are available upto 100 MVA and 220 KV class. These products are highly acclaimed among our customers’ in India as well as abroad.

Power transformers are available with the following specifications:
  • Incorporating off load tap changer and on load tap changer
  • With remote tap changer control (rtcc) & automatic voltage regulator

Transformers are supplied with desired cooling specifications i.e Onan, Onaf, Knan etc. and are manufactured according to our customers’ specifications.

Cast Resin Transformers
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Cast Resin Transformers hot

We offer extensive range of Cast Resin Transformers that meet the variegated requirements of our customers’. These transformers are available in different models and technical dimensions and are customized according to client’s specific requirements.

 

The Cast Resin Transformers are manufactured employing quality cold rolled oriented grain steel that ensures low specific losses. These transformers are insulated on both sides by means of a thin inorganic coating (Carlyle). The stiffness, uniform pressing and solidity of the columns ensure low noise level. Our range of transformers is found in low or high voltage windings. The products are tested on various standards like IEC 726 / IS 2026 / IS 11171 and also on temperature rise or full wave impulse test according to our client’s requirements.

 

Our range is available in 5000 KVA and 11 KV Class.


Dry Type Transformers

Dry Type Transformers hot

We are engaged in offering Dry Type Transformers that are class 'H' insulated and are available with high dielectric strength and are high temperature resistance. The temperature ranges comply with IEC-60076/IS-2026/IS-1171 standards and are available with range upto 1600 KVA and 11 KV Class.



These are available in various versions like:

  • Well ventilated enclosure with that of baffles and lip-cut louvers for outdoor installation
  • Open type execution that enable installation in an existing enclosure or panel
  • Non ventilated enclosure that assures outdoor installation


The following are some of the advantages of our Dry Type Transformers:

  • The non-biodegradable materials we use, make the transformers suitable for strict and adverse environmental conditions
  • No explosion or fire hazards because of absence of any liquid insulation and use of nonflammable materials
  • There is no requirement of oil sump and this makes the transformers ideally suitable for installation near load centers. This inturn improves voltage regulation and reduces cabling costs

Our transformers require minimum maintenance and the following explains the same:

  • The absence of insulating liquid reduces maintenance and cleaner looks
  • Access to active parts for inspection is easy and is user-friendly
  • A lifecycle analysis reveals the cost-effectiveness of Dry type Transformers though the initial cost is very high
  • This Dry type Transformer is tested for dynamic short circuit and are designed for required BIL values






Contact Us
Tesla Transformers Limited
Mr. Jaideep Jain
30 B, Industrial Area, Govindpura
Bhopal - 462023, Madhya Pradesh, India

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