40 MVA Transformer for Solar Park

Name: 40 MVA Transformer for Solar Park
Brand: Daelim Transformer
SKU: 4876
Availability: InStock
Rating: 5 (1 reviews)

Additional information

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.

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 CE Certificate

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.