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General Features

STD Power Transformers are individually designed and manufactured to meet and exceed the highest industry standards and the exact specifications for the particular application involved. Special options and features are planned into the original design and built into the unit. STD Power Transformers are liquid-oil-immersed for the most efficient and reliable long-term operation in a wide variety of utility and industrial applications.

In addition to having extended our product line, we have also developed a technological, administrative and marketing infrastructure that is comparable with some of the finest manufacturers of similar products at worldwide.

STDTransformer is uniquely focused on becoming one of the most valued global providers of power & distribution products for utilities and industry.  Std Transformer is Design, manufacturing and exporting 53 Countries of the Power Transformer

Applications
  • Generation Step-up Units (GSU)
  • Transmission Substations
  • Distribution Substations
  • Industrial Plants
  • Oil & Gas
  • Cement
  • Chemicals & Petrochemicals
  • Rolling Mills
  • Mining
  • Desalination Plants
Main Characteristics
  • Power Rating : from 4MVA up to 50MVA
  • Voltage Level : from 3,3kV up to 66kV
  • Frequency : 50 or 60Hz
  • Vector Group : single phase or three phase transformers with possibility of   star and/or delta connections in any of its windings.
  • Number Of Windings : possibility to manufacture transformers with primary + secondary, double secondary, or triple secondary and any other type according to requirements of customer.
  • Cooling : according to EN/IEC 60076, ONAN, ONAF, KNAN, KNAF, OFAF
  • Tap Changer : OLTC or OFFCIRCUIT
Standard Accessories
  • Earthing Terminals
  • Low Voltage Bushings
  • Off Load Tap Changer
  • Safety Valve
  • Terminal Box
  • Filling Tap
  • Conservator (if not hermetic)
  • Buchholz Relay
  • Lifting Lugs
  • Thermometer pocket
  • Medium Voltage Windings
  • Bi-Directional Rollers
  • Magnetic Core
  • Oil discharge and extraction valve
  • Low Voltage Windings
  • Clamps
  • Oil level indicator (if not hermetic)
  • Medium Voltage Bushings
  • Silica Gel Breather (if not hermetic)
  • Tank with Corrugated Wall
  • Plug-in connectors (upon request)
  • Earthing point on tank
  • Name plate
  • Jacking Pods
Accessories Upon Request
  • DGPT2 or RIS or DMCR (if hermetic)
  • LV Extension Bars
  • Safety Valve with Contacts
  • Winding Temprerature Indicator
  • Cable Box (MV / LV)
  • Oil Level Indicator with Contacts (if not hermetic)
  • PT100 sensors for oil temperature control (PTO)
  • Others (Contact Us)