





Primary Voltage Ratings: 38 kV
Secondary Voltage Ratings: 13.2 kV
CONNECTION TYPE: Dyn1
TYPE: Oil Type
BIL: 250/110kV
Standards: ANSI C57
Power Rating: 12/16/20MVA & 13.5/18/22.5MVA
Certificate: UL
Cooling Method: ONAN/ONAF1/ONAF2
The 5 MVA power transformer was delivered to Canadian customers in 2023. It functions as a step-down transformer with a primary voltage of 27.6kV and a secondary voltage of 4.16kV. The no-load voltage regulator, situated on the high-voltage side, offers five adjustable settings. Daelim Transformer’s 5 MVA power transformer is designed and manufactured in accordance with CSA C88 standards, cUL listed, utilizing high-quality copper windings and silicon steel sheet materials. It features reduced energy losses, lower carbon footprint, and ensures excellent fire protection, safety, reliability, and stability.
Contact Daelim Transformer for special requirements
| Technical Data | |
| Power Rating | 5MVA |
| Primary Voltage | 27,600Y |
| Secondary Voltage | 4,160Delta |
| Cooling Method | KNAN |
| Frequency | 60Hz |
| Vector Group | YNd1 |
| Efficiency | 99.51% |
| Load Loss at Rated Voltage | 32,000W |
| No Load Losses | 5,070W |
| Impedance | 6.50% |
| Winding Material | Copper |
| Altitude | ≤1,000m |
| No. of Tap Position | 5 |
| Color | ANSI Grey70# |
| 5MVA Power Transformer Dimension | |
| Wide | 3230mm |
| Deth | 3070mm |
| High | 2190mm |
| 5MVA Power Transformer Weight | |
| Tank & Accessories | 2450Kg |
| Oil Weight | 2900Kg |
| Total Weight | 10000Kg |
H.V Bushing (34kV 125A Spade 2 Hole)
L.V Bushing (10kV 1000A Spade 4 Hole)
Radiators
Handhole
Pressure relief device
Cover over prd with pipe
Liquid level gauge
Thermometer
Lifting hook for complete transfomrer
1”Drain valve with 3/8” sampler
Tap changer
Name plate(stainless steel)
Marshalling box
Cabinet CAB ASSY
H.V&L.V cable support bracket
Drain valve guard with pentahead bolt
Lightning arrester
Pentahead bolt arrangement
Instrument box with pentahead bolt
The 5MVA power transformer employs vegetable oil as the insulating liquid and utilizes the KNAN cooling method. This insulating liquid not only enhances the transformer’s insulation performance but also prolongs its operational lifespan. Importantly, it poses no environmental pollution risk and offers high fire protection levels. A lightning arrester is incorporated on the high-voltage side. Transformer gauges include contacts, a low oil level alarm, high oil level trip, high oil temperature alarm and trip, and an automatic pressure release device.

An additional feature of this transformer is its anti-theft and anti-tampering measures. From completed transformer photos, it’s evident that instrumentation is secured with a pentahead bolts instrument box . It is equipped with an external drain and sample valve with pentahead bolts. The high-voltage cabinet measures 1605mm in width, 665mm in depth, and 1765mm in height, while the low-voltage cabinet measures 890mm in width, 410mm in depth, and 1585mm in height.

Our 5MVA power transformers adhere to international standards such as IEEE, ANSI, CSA, IEC, and other relevant standards for quality and safety.
Our 5MVA power transformers are certified with ISO, UL, cUL, CSA, CE, FM, SGS, and other certificates and test reports, ensuring compliance with global quality benchmarks.
The delivery time typically ranges from 12 to 16 weeks, ensuring efficient fulfillment of orders.
We offer a warranty period of 24-month for each transformer.
Yes, Daelim Transformer maintains after-sales, maintenance, and installation service stations in the United States and Canada, ensuring comprehensive support post-purchase.
Absolutely! Daelim Transformer welcomes visits to our factory at any time. Please contact us to arrange a visit and learn more about our manufacturing processes firsthand.
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