40 MVA Transformer for Solar Park


  • Primary Voltage Ratings: 110kV
  • Secondary Voltage Ratings: 20kV
  • CONNECTION TYPE: YNd11
  • TYPE: Conservator Type
  • BIL: 550/125kV
  • Standards: IEC
  • Application: Solar Park
  • Power Rating: 40MVA
  • Cooling Method: ONAN/ONAF

The 40 MVA transformer is utilized in a 50 MWac solar park in eastern Albania. This step-up transformer connects to the government’s 110 kV substation, with a primary voltage of 20 kV and a secondary voltage of 110 kV. It features an ONAN/ONAF cooling method and an OLTC (On-Load Tap Changer) with 17 taps adjustment positions (±8*1.5%). The transformer is designed and manufactured in accordance with IEC standards.


Quote Now

Contact Daelim Transformer for special requirements

Characteristics Data Unit
Rated Power @ONAN 40  MVA
@ONAF 50  MVA
Cooling method ONAN/ONAF  
No Load Rated Voltages ( HV/LV ) 110 / 20 kV
Voltage Tapping @ HV 17 taps; (+8 ; -8) x 1,50% On Load  
Vector Group YNd11  
Frequency 50  Hz
Maximum Ambient Temperature 40  °C
Average Winding / Top Oil Temprature Rise Limits 65 / 60  
Altitude <1200 m
No-Load Losses @1.0xUn Po 29  kW
Load Losses @75 °C, 110/20 kV & 50 MVA Pk 199  kW
Short Circuit Impedance @75 °C, 110/20 kV & 50 MVA Uk 11  %
No-Load Current Io 3 %
No-Load Sound Pressure Level @1 m ONAN LpA 75  dB
   
Insulation Levels BIL (kV) AC (kV)
HV 550  230 
HV-N 250  95 
LV 125  50 
   
Bushing Types and Terminations  
HV   Condenser Open Air
HV-N   DIN Open Air
LV   DIN Open Air
HV Bushing
LV Bushing
On-Load Tap Changer
Oil Temperature Indicator
Winding Temperature Indicator
Oil Level Indicator (Main Tank)
Oil Level Indicator (OLTC Conservator)
Buchholz Relay (Main Tank)
Buchholz Relay (Seperator)
Pressure Relief Device
Control Cabinet
Automatic Voltage Regulator (AVR)
Breather (Main Tank)
Breather (OLTC)
Cooling Fans
Separator
Thermal Image Current Transformer
Impact Recorder

Daelim Transformer has specialized in transformer design and production for the international market for over 20 years. Our team possesses extensive technical expertise and experience. Whether your project is located in North America, Central and South America, Europe, Australia, or other regions, we are equipped to provide reliable, safe, and competitive transformer solutions.

Scope of Power Transformer Supply

  • Standards: IEEE/ANSI, CSA, IEC, BS, AS/AZS
  • Power Rating: Up to 500 MVA
  • High Voltage: Up to 345 kV
  • Regions: North America, South America, Australia, Europe, etc.

For detailed information, please contact Daelim Transformer.

 

40MVA Transformer Manufacturing

40 mva transformer manufacturing

 

Finished Transformer In The Workshop

40mva transformer

 

40 MVA Transformer Testing

40 mva transformer testing

 

40 MVA Transformer Package and Shipping

40mva transformer package and shipping
 

Related Article


69KV Series Substation, Latin America

Built in 2016, the 69kv series substation incuding Kaliti-l 69/13.8 mva substation; Cotebie 69/22kv 20mva substation;Kaliti-II 69/13.8kv 24mva substation;

20mVA Furnace Transformer, Mexico

Installation in 2018, is used to supply power to an electric furnace, which lowers the high voltage to the furnace-required lower voltage. It was designed according to client's request.

230 kV Three Phase Power Transformer For USA Market

In 2023, Daelim Transformer designed and manufactured a cutting-edge 230 kV three-phase power transformer for a client in Nevada, USA. The client recently shared installation and operational photos, showcasing the successful deployment of this remarkable transformer. Let's delve into the specifics of this transformer project!

Canadian 69 kV Substation Transformer Project

Today, we are excited to present a case study on a 69 kV substation transformer project by Daelim Transformer. Our Canadian client required a step-down transformer for their substation to connect with the hydroelectric grid in Quebec.

13.8 kV 10.5 MVA Substation Transformer for Ecuador

A customer from Ecuador contacted Daelim Transformer for a 10.5MVA substation transformer (13.8kV high voltage, 2.4kV low voltage). Daelim Transformer provided a customized solution, conducted virtual factory tours, ensured rigorous quality control via video inspections, and offered post-delivery online training and ongoing support, fostering a successful partnership.

20MVA Power Transformer for the United States

This project involves the development of a 20 MVA three-phase power transformer tailored for the United States market. The primary voltage is 24.94kV, and the secondary voltage is 4.16kV, indicating it functions as a step-down transformer. The design and production fully comply with IEEE C57.12.00 standards and have passed third-party UL team testing. All accessories also adhere to IEEE standards. FR3 vegetable oil serves as the insulating liquid for the transformers.

DOE
AS
GOST