Power Transformers: Efficient Solutions for Reliable Energy Transmission

Power Transformer

Img
Img
Img
Img


At T-Power we manufacturer Three Phase Power Transformers Stack Core Type Copper wound, outdoor/ indoor type, Step Down/Step Up, Completely Self Protected-LV&HV transformers, connection options of Delta & Star Type as per Vector group ref. Dyn 11 with rating range of 1000kVA to 10000kVA. T-Power make power transformers have been installed at coal fields, power projects, housing projects, national level business houses, and individual manufacturing units.

Ratings : Three Phase CRGO-Upto 10000kVa
Applicable Standards : IS, IEC, ANSI, JIS, DIN, BS Etc.
Cooling : ONAN, ONAF
Insulating Fluid : Mineral Oil to specification
Frequency : 50Hz, 60 Hz
Primary voltage : Upto 33000V
Secondary Voltage : 22000, 11000, 6600, 3300 V (Other Voltages as required)
Winding material : Copper
Taping range : Off circuit and On load tap changers as per customer specification

Technical Specifications

* Duty, Type Outdoor / Indoor, Pole or Ground Mounted

* Voltage Class 3.3, 6.6, 11, 22, 33 KV or any Specific

* No. of phases 1 or 3 phase

* Frequency 50/60 Hz

* Vector Group Dyn 1 or Dyn 5 or Dyn 11 or any specific

* Insulating Fluid PCB Free Mineral Oil, both inhibited & uninhibited, as per IS/IEC and customer requirement

* Class of Insulation Class A

* Off circuit tap changer to provide ±5% in 5 Step, ±7.5% in &Step taps in step of 2.5% and customer requirement. cusom built for any other ranges.

* OLTC will be internally/externally mounted per the requirement

* Winding Material Aluminium or Coffer with multi paper covering (MPC)

* Painting Epoxy, Polyurethane or customer specific

Protective Devices

* Buchholz Relay with Alarm and Trip Contact starting form 500 KVA.

* Oil Temperature Indicator(OTI) with Alarm an Trip Contact starting form 500 KVA.

* Winding Temperature Indicatore(WTI) with Alarm and Trip Contact starting form 500 KVA.

* Magnetic Oil level gauge(MOG) with Alarm Contact starting form 500 KVA.

* Marshalling Box to House O.T.I and WTI starting form 500 KVA.

Standard Fittings

* Earthing Terminals

* Thermometer Pocket

* Explosion Vent with Diaphragm

* Bottom-Filter Valve

* Silica Gel Breather

* LV & HV Side Cable Box



* Lifting Lugs

* Oil Conservation with Drain Plug

* Oil Level Indicator

* Top Filter Valve

* Cooling Radiators

Optional Accessories on Request

*  Neutral C.T.

*  Shut – off Valves

*  Annunciation Window

*  Pressure Release Valve

*  Windowing temperature indicator and oil temperature indicator with indication

*  RTDs for winding temperature measurement

*  Oil preservation system through air cell/thermosphyon filter

*  Neutral earthing bar with epoxy supports.

Features

*  cost effectiveness and reliability

*  Designed for 25 years of trouble-free performance.

*  Design conforms to IS 2026, IEC 60076, ANSi and other relevant standards

*  Low Power loss and Low Noise

*  Designed to withstand electrical impulses and thermal and dynamic stresses

*  Optimum utilization of active materials for compactness.Modern manufacturing techniques ensure