69 kV 18 MVA Power Transformer

Name: 69 kV 18 MVA Power Transformer
Brand: Daelim Transformer
SKU: 4932
Availability: InStock
Rating: 5 (1 reviews)

Additional information

Primary Voltage Ratings: 69 kV Delta

Secondary Voltage Ratings: 13.8kV Wye

H.V. TAP RANGE: 69kV ± 2*2.5%

CONNECTION TYPE: Dyn1

TYPE: Conservator type

Standards: IEC

Application: Substation

Power Rating: 18 MVA, 24 MVA

Cooling Method: ONAN, ONAF

The 18 MVA transformer, manufactured by Daelim Transformer in December 2016, serves a substation in Guayaquil, Ecuador. Designed to IEC standards, it features a high voltage of 69 kV and a low voltage of 13.8 kV, with ONAN/ONAF cooling. It has an impedance of 7.3% at 18 MVA. Key features include no-load losses of 14.8 kW and load losses of 52 kW. Daelim Transformer provides reliable, high-efficiency products with competitive pricing and fast delivery. Contact us for detailed specifications and quotes.

The 18 MVA transformer was completed by Daelim Transformer in December 2016 and serves a substation in Guayaquil, Ecuador. Designed and manufactured to IEC standards, this transformer features a high voltage of 69 kV and a low voltage of 13.8 kV. The cooling method is ONAN/ONAF, and the impedance at 18 MVA is 7.3%.

HIGH VOLTAGE SIDE
Position Tap	Switches	Voltage	Current
Position Tap	Switches	Voltage	18 MVA	24 MVA
1	2-3	72450V	14.4A	191.3A
2	3-4	70725V	146.9A	195.9A
3	4-5	69000V	150.6A	200.8A
4	5-6	67275V	154.5A	206A
5	6-7	65550V	158.5A	211.4A

LOW VOLTAGE SIDE
Voltage	Current
	18 MVA	24 MVA
13.8 kV	753.1A	1004.1A

Losses:

No-Load Loss: 14.8 kW
Load Loss: 52 kW

Weight:

Tank and Accessories: 12,000 kg
Oil: 8,000 kg
Active Part: 17,000 kg
Transport Weight: 29,500 kg
Total Weight: 36,500 kg

Accessories:

18 mva transformer accessories

Pressure Relief Device with Contact
Oil Temperature Indicator with Contacts
Winding Temperature Indicator with Contacts
Vacuum Valve for Conservator Tank
Winding Thermometer
Oil Thermometer
Cooling Radiator
Conservator
Air Breather for Main Conservator
Draining and Filling Valve for Conservator
Connection Valve for Conservator and Rubber Bag
HV CT Terminal Box
LV CT Terminal Box
Oil Sampling Device
Cooling Fans (Single Phase AC 220V, 60 Hz)
Control Box

Daelim Transformer is a leading transformer manufacturer, delivering hundreds of large power transformers annually to markets in the Americas and Europe. Our team is proficient in IEEE, ANSI, IEC, EU, CSA, and AS standards. We offer safe, reliable, environmentally friendly, and high-efficiency transformer products with competitive pricing and quick delivery. Contact Daelim Transformer now for specifications, pricing, and technical documentation.