The purpose of  a  distribution  transformer  is to reduce the primary voltage of the electric distribution system to the utilization voltage serving the customer.   A distribution  transformer  is a static device constructed with two or more windings used  to transfer alternating  current  electric  power by  electromagnetic induction from one circuit to another at the same frequency but with different values of voltage and current.

Amruta Enterprises has the necessary infrastructure to design & manufacture distribution transformers upto 2 MVA.

•  Design & Manufacturing:

Our transformers are robust, highly efficient & also very economical. They are designed to withstand short-circuit test as well as lightning impulse test as per standards. Best quality raw materials & excellent workmanship make our product reliable & long lasting.

•  Standard:
The transformers are manufactured in accordance with IS 2026/1977 or as per customer’s requirements.

•  Range: 
5 KVA – 2000 KVA (6.6 KV, 11KV, 22KV, 33KV)

•  Vector Group & Tappings:
The transformers are connected as per vector group reference Dyn 11 in accordance with international practice.

Tappings are provided with +/- 5% in steps of 2.5% or as per customer’s requirements.

•  Insulation:
Oil immersed transformers are insulated by electrical grade insulated press board & thermally upgraded insulating paper.

Oil:  Dehydrated EHV-Grade transformers oil as per IS 355 is used for proper insulation & cooling after testing all parameters.


•  Termination:
The quality porcelain bushings are used on high voltage/ low voltage side terminals. Cable boxes are also provided as per customer’s requirements.

•  Tank:
The tanks are made from CRCA/HR sheets with adequate thickness. The welding is done using DC welding rectifiers / invertors. This ensures proper fusion of metal with high quality leak proof joints. Sufficient radiators are provided to take care of cooling off the transformers. All the tanks are pressure tested, ensuring no leakage. The tanks are de-greased & phosphated prior to painting.

•  Painting:
The external surfaces of transformers are given a primary coat of zinc chromate primer & two finishing coats of synthetic enameled paint. The inner surface coat is given a coat of oil & heat resistant paint.

•  Testing:  Our transformers are tested for all the routine tests as per IS 2026 at our works with all the modern testing facilities. A 3ph power analyser meter is used for measurement of losses. All our equipments are periodically calibrated from NABCL accredited labs.

• Type testing can be arranged at NABCL accredited labs such as ERDA or CPRI .

•  Accessories:
The accessories provided are oil filling hole, oil drain valve, standard thermometer, oil level gauge, skid wheel, breather, earthing terminal, no-load tap changer.


•  Optional Accessories:
Buchholz relay, cooling fan, HV & LV cable box, cable duct, busbar duct, dial type thermometer, on-load tap changer (OLTC), protective fuse & lightning arresters are available upon customer’s request with additional cost.

•  Salient Features:

•  Robust Design
•  Highly efficient
•  Long lasting
•  Economical