1000 KVA Oil Immersed Type Transformers

Henan GNEE Electric Co., Ltd. is one of the leading manufacturers and suppliers of 1000 kva oil immersed type transformers in China, also supports customized service with low price. Welcome to buy discount 1000 kva oil immersed type transformers for sale here from our factory. If you have any enquiry about pricelist, please feel free to email us.

 

A 1000 kVA oil immersed transformer is a critical component in medium-voltage power distribution systems, widely used in industrial plants, commercial facilities, and utility substations. Designed for durability and efficiency, this transformer uses insulating mineral oil for cooling and insulation, ensuring stable operation even under heavy load conditions.

 

 

At GNEE, our 1000 kVA oil-filled transformers are engineered with advanced manufacturing processes, strict quality control, and compliance with international standards to meet global customer requirements.

 

 

Parameter	Specification
Rated Capacity	1000 kVA
Primary Voltage	6 kV / 10 kV / 11 kV / 33 kV (custom)
Secondary Voltage	0.4 kV or customized
Frequency	50 Hz / 60 Hz
Cooling Method	ONAN (Oil Natural Air Natural)
Insulation Class	Class A
Vector Group	Dyn11 / Yyn0 (optional)
Impedance Voltage	4% – 6%
Standards	IEC, ANSI, GB

 

 

These transformers are widely used in:

• Industrial manufacturing plants
• Power generation and distribution systems
• Mining and metallurgy industries
• Commercial buildings and infrastructure projects
• Renewable energy systems (solar and wind farms)

Their versatility and reliability make them ideal for both indoor and outdoor installations.

 

Better heat dissipation and cooling efficiency

• Higher overload capacity
• Lower initial investment cost
• Longer lifespan under proper maintenance
• Suitable for outdoor and heavy-duty applications

 

 

Proper installation is essential to ensure the safe and efficient operation of a 1000 kVA oil immersed transformer. Please follow these key precautions:

Foundation Preparation
Install the transformer on a solid, level concrete foundation capable of supporting its full weight. Ensure proper alignment to avoid mechanical stress.

 

Adequate Ventilation
Maintain sufficient space around the transformer to allow heat dissipation. Avoid installing in enclosed or poorly ventilated areas unless forced cooling is provided.

 

Safe Clearance Distance
Keep appropriate clearance from walls, other equipment, and live parts to ensure safety and ease of maintenance.

 

Grounding System
Ensure reliable grounding of the transformer tank and neutral point to prevent electrical hazards and improve system stability.

 

Oil Level and Quality Check
Before commissioning, verify that the insulating oil level is normal and free from contamination or moisture.

 

 

Electrical Connections
Confirm that all primary and secondary connections are correctly installed, tightened, and meet the specified voltage ratings.

 

Protection Devices Installation
Equip the transformer with necessary protection devices such as surge arresters, Buchholz relay (if applicable), and temperature indicators.

 

Pre-Commissioning Testing
Conduct routine tests including insulation resistance, turns ratio, and dielectric strength before energizing.

 

Environmental Conditions
Avoid installation in areas with excessive dust, corrosive gases, or high humidity unless special protection measures are applied.

 

Qualified Personnel Only
Installation and commissioning should be carried out by experienced and certified electrical engineers.

 

 

• Strict Quality Control: Full inspection from raw materials to finished products
• OEM & Custom Design: Voltage, vector group, and specifications tailored to your project
• Global Export Experience: Serving clients across Asia, Africa, Europe, and the Americas
• Fast Delivery: Stable production capacity ensures shorter lead times
• Complete Documentation: MTC, test reports, and certifications provided

 

 

 

What is a 1000 kVA oil immersed transformer used for?
A 1000 kVA oil immersed transformer is used for stepping down medium voltage to low voltage for industrial, commercial, and utility power distribution.

 

What is the efficiency of a 1000 kVA oil filled transformer?
Typically, efficiency can reach over 98%, depending on design and operating conditions.

 

What cooling method is used in oil immersed transformers?
The most common method is ONAN (Oil Natural Air Natural), which relies on natural oil circulation and air cooling.

 

What is the lifespan of a 1000 kVA oil immersed transformer?
With proper maintenance, it can operate reliably for 20–30 years or more.

 

Can the transformer be customized?
Yes, parameters such as voltage, impedance, and vector group can be customized based on project requirements.

 

What standards do your transformers comply with?
Our transformers comply with IEC, ANSI, and GB standards.

 

Is it suitable for outdoor installation?
Yes, oil immersed transformers are ideal for outdoor use due to their sealed and durable structure.

 

What is the difference between Dyn11 and Yyn0 vector groups?
Dyn11 provides better harmonic suppression and is commonly used in distribution systems, while Yyn0 is simpler but less flexible.

 

How is the transformer tested before delivery?
Routine tests include ratio test, insulation resistance, load loss, no-load loss, and voltage withstand tests.

 

Do you provide after-sales support?
Yes, we offer technical support, installation guidance, and long-term service assistance.

 

What is a 1000kva transformer?

A 1000 kVA transformer is an electrical device that operates at a capacity of 1000 kVA (kilo volt amperes). The kVA rating indicates the transformer's maximum capacity to handle electrical power. This type of transformer is typically used for medium-to-high power applications where voltage regulation is critical.

 

What is an oil immersed type transformer?

An oil immersed transformer houses its core and windings submerged in insulating oil, which serves three critical functions: Cooling: The oil absorbs and dissipates heat generated during operation. Insulation: It prevents electrical breakdown by insulating live components.

 

How many amps is a 1000 kVA transformer good for?

A 1000 kVA transformer is generally utilized in the process of transforming a high-voltage power supply line into a low-voltage power supply line. It uses kilovolt-amperes as the units of measurement for the transformer's apparent power (kVA). It is capable of withstanding a voltage of 120 and an amperage of 8333.

 

How much does a 1000 kVA transformer weigh?

6800 lbs.

KVA 1000/1330. S/N GO# MVG 02269. Weight 6800 lbs.

 

Get A Quote For 1000 KVA Oil Immersed Transformers

 

Looking for a reliable supplier of 1000 kVA oil immersed type transformers?
Contact GNEE today for competitive pricing, fast delivery, and customized solutions tailored to your project needs.

 

Rated Capacity(kVA)	Voltage Combination			Vector group	No-load Loss(kW)	Load Loss(kW)	No-load Current(%)	Short-Circuit Impedance(%)
	High Voltage(kV)	High Voltage Tapping Range(%)	Low Voltage(LV)
30	20	±2×2.5 or ±5	0.4	Dyn11 or Yan11 or Yyn0	0.08	0.66/0.63	1.7	5.5
50					0.1	0.96/0.91	1.6
63					0.12	1.14/1.09	1.5
80					0.14	1.37/1.30	1.4
100					0.16	1.64/1.57	1.2
125					0.19	1.98/1.88	1.2
160					0.23	2.41/2.30	1.1
200					0.27	2.85/2.72	1
250					0.32	3.34/3.18	0.96
315					0.38	4.00/3.81	0.88
400					0.46	4.72/4.39	0.8
500					0.54	5.64/5.48	0.8
630					0.65	6.48	0.72
800					0.78	7.84	0.64
1000					0.92	10.7	0.56	6
1250					1.1	12.5	0.56
1600					1.33	15.1	0.48
2000					1.56	19.1	0.48
2500					1.87	22.2	0.4

 

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