Substation Transformer(Skid Mounted Transformer)

Substation Transformer

Daelim substation transformer

Daelim’s substation transformers(skid-mounted transformers) feature a sealed tank construction, making them suitable for challenging environments. These transformers can be customized to meet your specific requirements, including special environments, altitudes, efficiency values, and more.

Furthermore, Daelim’s skid-mounted transformers adhere to a wide range of international standards, including CSA, ANSI, IEEE, AS, NZS, IEC, and EN. This ensures that our transformers meet the necessary quality and safety regulations for various regions.

Station Transformer Customization

Daelim Transformer, supported by a highly skilled technical team, offers extensive customization options to meet your specific requirements. Some of the customizable features include:

Standards and Rules:
K-Factor.
Audible Sound
Efficiency Value
Bushing Layout
Accessories Brand
Impedance Value
Standard Testing
Special Environments

If you have other special requirements, please contact Daelim Transformer or send information to pingruidan@daelim-electric.com

Substation Transformer Drawing

The Daelim Transformer’s substation transformer outline drawings mainly contain the following information:

Transformer Dimensions: length * width * height;
Transformer Part Location and Identification
Transformer Accessories
LV & HV Cable Entry Points
HV and LV Terminal Spacing
LV Cable Outlet Box Size
HV Cable Outlet Box Dimensions
Technical Data
Transformer Weight(oil, tank & accessories)

The substation transformer designed and produced by Daelim Transformer ensures that it fully meets your requirements, ensuring that the transformer can be installed and used accurately after you receive it.

Standard Features & Available Options

Standard Features	Available Options
Liquid Level Gauge Top Oil Temperature Gauge Fill Plug Drain Valve with Sampler Schrader Valve for Nitrogen Blanket Automatic Pressure Relief Valve Externally Operated De-Energized Tap Changer Tank Grounding Pads Jacking provision Base designed for rolling Undercoating of tank bottom to prevent corrosion Diagrammatic corrosion resistant nameplate	Hazardous duty for classified areas Primary & Secondary Dual Voltage & Special Taps Primary Molded Vacuum Interrupters Secondary Breakers304L & 316L Stainless Steel tank, cabinets, & hardware Mineral Oil or FR3 Nitrogen Pressurization Systems K-Factor for drive applications Neutral Grounding Resistors Seismic Withstand Fork Lift Pockets Special Paint Colors

Small Substation Transformer Catalog

Substation Transformer Warranty

Daelim substation transformers offer a minimum warranty period of 24 months, providing you with peace of mind. Daelim Transformer’s dedicated after-sales team is committed to promptly addressing any non-human faults that may arise during the warranty period.

Offline Factory Inspection
Online Video Factory Inspection
Online Video Supervision of Substation Transformer Tests

Small Substation Transformer Manual

Daelim Transformer Services

Daelim Transformer’s comprehensive services encompass pre-sales, sales, and after-sales support.

Pre-sales: Daelim Transformer’s knowledgeable sales team possesses expertise in transformer technology, enabling them to quickly understand your needs, answer technical queries, and provide swift quotations. Efficient communication ensures valuable time and energy savings for you.

Sales: Once you place an order with Daelim Transformer, its after-sales team keeps you informed about the production progress of your substation transformer. You can conveniently track the status of your order through Daelim’s system, anytime and anywhere.

After-sales: With a widespread presence across the American market, Daelim Transformer’s after-sales team is always ready to assist you. Should any issues occur with your transformer, our local team will promptly visit your site to troubleshoot and resolve the problem, ensuring minimal disruption.

Substation Transformer Testing

At Daelim Transformer, we prioritize the strict testing of every transformer we produce. Our testing procedures adhere to the regulations of different countries and cater to specific customer requirements, ensuring compliance with various standards. The extensive range of tests we conduct includes:

Dielectric Tests: Safeguarding Insulation Integrity
Voltage Ratio and Vector Group Measurement: Ensuring Precision
Winding Resistance Measurement: Validating Electrical Conductivity
Power-Frequency Voltage Withstand Test: Assessing Endurance
Induced Voltage Withstand Test: Ensuring Robustness
Measurement of No-load Losses and No-load Current: Optimizing Efficiency
Measurement of Impedance Voltage and Load Losses: Evaluating Performance
Sealed Test: Verifying Protection
Sound Level Measurement: Ensuring Quiet Operation
Lighting Impulse Voltage Withstand Test: Enhancing Resilience
Temperature Rise Test: Validating Heat Dissipation
Oil Test: Assessing Insulation Properties

Rest assured that Daelim Transformer employs stringent testing procedures to deliver transformers that meet the highest quality standards, comply with regulations, and surpass customer expectations. Choose Daelim Transformer for reliable, thoroughly tested transformers that power your electrical systems with confidence.

CSA IEEE Standard For North America

•IEEE C57.12.00™—Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers

• IEEE C57.12.10™—IEEE Standard Requirements for Liquid-Immersed Power Transformers

• IEEE C57.12.36™—IEEE Standard Requirements for Liquid-Immersed Distribution Substation Transformers

• IEEE C57.12.40™—IEEE Standard for Network, Three-Phase Transformers, 2500 kVA, and Smller;High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below

• IEEE C57.12.70™—Terminal Markings and Connections for Distribution and Power Transformers

• IEEE C57.12.28™—Switchgear and Transformers, Pad-Mounted Equipment—Enclosure Integrity

• IEEE C57.12.80™— Standard Terminology for Power and Distribution Transformers

• IEEE C57.12.90™—IEEE Standard Test Code for Liquid-Immersed DistributionPower, and Regulating Transformers

CSA IEEE Standards For North America

• IEEE C57.12.91™—IEEE Guide for Loading Mineral-Oil-Immersed Transformers andStep-Voltage Regulators

• IEEE C57.105™—Guide for Application of Transformer Connections in Three-Phase Distribution Systems

• IEEE C57.109™—Guide for Liquid-Immersed Transformer Through-Fault-Current Duration

• IEEE C57.111™—Guide for Acceptance of Silicone Insulating Fluid and Its Maintenance in Transformers

• IEEE C57.121™—Guide for Acceptance and Maintenance of Less Flammable Hydrocarbon Fluid in Transformers

• CSA-C88—Power Transformers and Reactors

• CSA-C802.3—Maximum Losses For Power Transformers

• DOE 2016 Energy Efficient (225–2500 kVA)

Substation Transformer Specification

kVA	HV	LV	Width(mm)	Length(mm)	Height(mm)
315kVA	11000V	400V	800	696	1336
500kVA	27600V	480GrdY/277V	1730	2300	1510
500kVA	11000V Delta	415V Star	1700	1700	1650
750kVA	11000V	433V	1850	1845	1465
1000kVA	14400V	415/240V	1085	1860	1570
1200kVA	13800V	240V	2450	1850	1820
1500kVA	24940V	600V	1800	1880	1895
2000kVA	7200V	600GrdY/346	1766	2680	1982
2000kVA	44000V	600V	1260	2090	1700
2500kVA	24940V	480GrdY/277V	2400	2200	2060
3000kVA	11000V	415V	1600	2330	1920
3000kVA	22800V	415/240V	2130	3500	1910
3750kVA	44000V	600V	2240	2650	2700
4000kVA	33kV×13.2kV	600Y/347	2150	3250	2290
5000kVA	34500V	7200V	3780	1850	3450
5000kVA	34500V	4160V Star	2799	2400	2938
6300kVA	35000V	400V	3520	2820	3470
6800kVA	34500V	800V	3400	2670	3400
7500kVA	27600Y	4160DELTA	3350	3290	2270
12000kVA	34500V	800V	3690	3200	3650

Substation Transformer Specification

Power rating	HV	LV	Width(mm)	Length(mm)	Height(mm)
1500/2000kVA	13800V	480GrdY/277V	1960	1750	2165
2500/3000kVA	34500V	480GrdY/277V	2199	2651	2159
2500/3000kVA	34500V	480V	2044	2672	2062
2500/3125kVA	16500V	600V Star	2247	1981	2286
3000/4000kVA	25000V	600V	2250	2850	1980
4000/5333kVA	25000V	600V	2260	2950	2200
1.5MVA	11000/6600V	1000V Star	1800	2200	1960
2.5MVA	22000V	11000V Star	2850	2200	2100
3/4MVA	4160V	480/277V Star	2800	2100	2080
4/5MVA	13800V	4160V Delta	3302	2700	2103
5/6.667MVA	44000V	124700V	2230	2235	3450
7.5/9.375MVA	34500V	4160V	2800	3800	3000
10/12.5MVA	249400V	4160V	2900	3800	3200
18/24MVA	13.8kV	6900V Star	3770	4900	3200
20/26.6MVA	249400V	4160V	4270	3180	3245
2000/2240-2500/2800kVA	13800V	2*480/277V	1950	2125	2414

IEC AS Standard For Skid Mounted Transformer

Features

• Simple tank and terminal configurations for optimum cost efficiency

• Accessories for Transformer Protection and Monitoring

• Cable Boxes, Kiosks, or open bushing arrangements

• Hermetically sealed for long life

• 100 to 20000kVA

• Zinc spray Paint system available for highly corrosive environments

• Standard Transformer oil or biodegradable fluid options available.

IEC AS Standard For Skid Mounted Transformer

Electrical Steel Type

Cold rolled, grain oriented,

silicon steel sheets

Tank Sealing

Hermetically sealed

Oil Type

Oil filled to AS1767 and BS148

HV Volts

6600, 11000, 22000, 33000

(others available)

LV Volts

433 – 250V Dyn11

As standard (others available)

HV Tappings

+5% to -7.5% up to 300kVA

+ 2.5 to -10% in 2.5% steps

500kVA and above

(others available)

Oil / Winding Rises

60 / 65˚C

As standard (others available)

BIL / Power Frequency Levels

95kVpeak / 28kVrms

150kVpeak / 50kVrms

200kVpeak / 70kVrms

Maximum Operating Pressure 35kPA

AS Specification For Skid Mounted Transformer

kVA	Width(mm)	Length(mm)	Height(mm)	Oil(Litre)	Total Mass(kg)
100	1300	1200	1000	300	900
200	1360	1200	1100	350	1200
300	1400	1300	1150	400	1480
500	1500	1400	1300	600	2200
750	1500	1700	1550	800	2780
1000	1500	1700	1550	780	3000
1250	1600	1800	1600	1000	3780
1500	1650	2000	1650	1200	4500

Substation Transformer Package

Due to the substantial weight of substation transformers, sea transportation is the preferred method for delivery. At Daelim Transformer, we employ two different packaging methods based on container types to ensure safe transit:

1. Wooden Box Packaging: Ultimate Protection

To safeguard the transformer from any potential impact or bumps during transportation, we utilize robust wooden box packaging. Firstly, the transformer is securely fastened onto a sturdy wooden support. Next, the entire unit is enveloped with fumigated logs, providing comprehensive protection, including the top. This packaging method guarantees that the transformer arrives at its destination undamaged.

2. Bare Installation: Ensuring Safety and Security

In cases where a naked installation is feasible, we employ an alternative packaging approach. The transformer is firmly secured on sleepers, ensuring stability during transportation. Additionally, to protect the terminal box (control box), we encase it within a wooden box. This method offers an additional layer of safeguarding while maintaining the overall integrity of the transformer.

At Daelim Transformer, we prioritize the secure packaging of substation transformers for sea transportation. Our packaging methods are designed to prevent any potential damage and ensure that your transformer arrives in pristine condition, ready for installation. Trust Daelim Transformer to handle your transformer transportation needs with utmost care and professionalism.

Daelim Transformer Factory

Finished transformer area

Material processing area

Substation Transformer assembly area

Substation transformer with UL

Substation Transformer Application

For Renewable Energy

Substation transformers are commonly utilized in solar and wind power plants to integrate with the grid, stabilize its operation, and enable direct interconnection of energy.

For Energy Storage

Substation transformers are crucial components in energy storage systems, facilitating voltage transformation, grid connection, power dispatch, grid stability, power quality, and frequency regulation.

For Portable Substation

The Daelim Transformer’substation transformer, purchased by an Australian customer, is designed for portable substations. It enables temporary power infrastructure deployment in remote or temporary locations for industrial, construction, or emergency power applications.

For Data Center & Mining

Daelim Transformer’s substation transformers are utilized in a small blockchain facility in Texas.. Four transformers are utilized to support the power needs of the facility, ensuring efficient and reliable operations.

For Utility

Substation transformers are vital components in utility power systems. They enable the efficient transmission and distribution of electrical energy, ensuring reliable power supply to end-users. These transformers facilitate voltage transformation, regulate power flow, and maintain grid stability, contributing to the smooth operation and resilience of the utility grid infrastructure.

For Oil & Gas Exploitation

Substation transformers provide electrical support to the oil and gas industry, providing electrical support to offshore and onshore facilities. They facilitate power distribution, ensure power quality and stability, and enhance efficiency, safety, and productivity in oil and gas exploration and production operations.

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Substation Transformer(Skid Mounted Transformer)