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3 4 5 Winding Transformer

PVJ POWER 3, 4 & 5 WINDING TRANSFORMER FOR SOLAR & WIND APPLICATIONS

Capacity : Upto 2.5 MVA in 11KV, 22KV & 33KV configurations in Step Up Configuration of 3, 4 & 5 Winding Application.

In the Solar & Wind Industry in some cases Multiple Winding s are required where one winding in addition to its primary and secondary winding is used. This additional winding, apart from primary and secondary windings, is known as Tertiary winding of transformer. Because of this third or fourth or fifth winding, the transformer is called a 3, 4 or 5 winding transformer.

Tertiary winding is provided in electrical power transformer to meet one or more of the following requirements-

  • It reduces the unbalancing in the primary due to unbalancing in three phase load.
  • It redistributes the flow of fault current.
  • Sometime it is required to supply an auxiliary load in different voltage level in addition to its main secondary load. This secondary load can be taken from tertiary winding of three winding transformer.
  • As the tertiary winding is connected in delta formation in 3 winding transformer, it assists in limitation of fault current in the event of a short circuit from line to neutral.

These types of Transformers are generally used in application in Solar Parks & Wind Power Projects. Special multiple windings design of the transformer enables to connect multiple inverters to the grid with minor number of transformers in total.

FEATURES OF PVJ POWER 3, 4 & 5 WINDING TRANSFORMER FOR SOLAR & WIND APPLICATIONS

Magnetic Liquid Level Gauge (ANSI 71)
Oil Temperature Gauge (ANSI 26)
No-Load Tap Changer (when required)
Pressure Test and Upper Filter Press (1″ connection)
Corrosion Resistant Nameplate
Provisions for Jacking and Lifting
Base Suitable for Rolling and Skidding
Pressure Relief Valve

Optional Features

Current Transformers
Contacts on Standard Gauges
Pressure Relief Device (standard over 3 MVA)
Winding Temperature Gauge (ANSI 49)
Sudden Pressure Rise Relay (ANSI 63)
Forced Air Cooling
Lightning Arresters
Load Break and Multi-Voltage Switches
Stainless Steel Construction
Digital Transformer Monitor
Class 1 Div II/Marine/Corrosive Environments
High Altitude
Seismic Conditions and Anchoring

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