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How much oil is in a 100 kVA transformer?

Nov 14, 2025

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An oil-immersed transformer is a transformer where the core and windings are submerged in insulating oil inside a steel tank. This oil provides essential cooling, insulation, and moisture protection for the components. It works by using convection to circulate the oil, which carries heat away from the core and windings to radiators for dissipation.

 

How much oil is in a 100 kVA transformer?

For a pole-mounted transformer, the oil weight is 94kg, for a single-phase pad-mounted transformer, the oil is 141kg.

100 KVA 3 pahse Transformer Specification

100 KVA Transformer Data Sheet

100 KVA Transformer Capacity

100KVA

Standard

IEC60076

Cooling Mode

ONAN

Rated Voltage

HV11000V-LV415/240V

Phase

3 phase

Frequency

50HZ

Vector Group

Dyn11

100 KVA Transformer Load Capacity In KW

80KW

100 KVA Transformer Full Load Current

HV5.25A/LV139.12A

100 KVA Transformer Impedance

4%

100 KVA Transformer Dimensions

1000*800*750mm

100 KVA Transformer Copper Weight

200kg

Oil Capacity Of 100 KVA Transformer

160kg

100 KVA Transformer Weight

615kg

100 KVA Copper Transformer Price

USD1*00.00/SET

 

100 KVA Transformer Details

100 KVA Transformer Details

100 KVA Transformer Nameplate

100 KVA Transformer Nameplate

1.How many amps is a 100 KVA transformer?

HV5.25A/LV139.12A

 

2.How much does a 100 KVA transformer weight?

Oil Weight:160 KG

Total Weight excluding oil:455 KG

Total Weight including oil:615 KG

Total Weight with shipment:650 KG

 

3.How much oil in 100 KVA transformer?

160 KG

 

4.How many houses can a 100 KVA transformer supply?

The number of houses a 100 KVA transformer can supply depends on several factors such as the size and power rating of each house, the distance between the transformer and the houses, and the electrical load of each house. Generally, a 100 KVA transformer can supply power to between 30 and 50 average-sized homes.

 

5.What is the cost of 100 KVA transformer?

USD1*00.00/SET

 

6.How big is a 100kVA transformer?

A 100kVA transformer's size varies significantly depending on the type, but dimensions typically range from roughly 1150×760×1360mm for some three-phase units to around 1000×700×700mm for single-phase pole-mounted models. Weights also differ, from approximately 500-720 kg for dry or pole-mounted types to 680 kg or more for some oil-filled units.

Size and weight variations

 

Type Dimensions (L x W x H) Weight (approx.)
Three-Phase Oil-Immersed 1150 x760 x 1360 mm mm 680 kg
Single-Phase Pole-Mounted 1000 x 700 mm(cylindrical) mm (cylindrical) Varies, depends on specific model and mounting
Single-Phase Pad-Mounted 740 x940 x910 mm mm Varies, depends on specific model and mounting
Dry Type 850x650x1150 mm mm 500 kg

 

7.

What is the load capacity of a 100 kVA transformer in kW?

80 KW

100 KVA transformer load capacity in kW

 

8.How many kw is 100 kVA 3 phase?

The formula for converting kVA into kW is:

100 kVA x 0.8 = 80 kW.

1, transformer output power is the apparent power, and active power (KW) relationship is: apparent power = active power x power factor. 2, with the average power factor of 0.8 calculation,a 100 KVA transformer can provide (100 KVA × 0.8) 80 KW active power for the load.

oil-immersed transformer Specifications

Hermetically Sealed Fully with Mineral oil type

1. Specifications (Technical Data are subjected to change without notice.)

 

1-1. 22kV - 400/230V & 24kV - 416/240V

Item Capacity No load Load loss (75oC) Impedance Dimensions(mm) Total weight Oil
kVA Watt Watt % Height Length Width kg Liter
1 50 160 950 4 1,100 1,000 700 500 135
2 100 250 1,550 4 1,250 1,050 750 750 200
3 160 360 2,100 4 1,300 1,150 750 990 250
4 250 500 2,950 4 1,350 1,200 750 1300 300
5 315 800 3,900 4 1,400 1,400 800 1300 350
6 400 960 4,600 4 1,400 1,500 850 1550 380
7 500 1,150 5,500 4 1,500 1,550 900 1750 430
8 630 1,350 6,500 4 1,550 1,600 850 2,150 450
9 800 1,600 11,000 6 1,600 1,800 1,100 2,500 650
10 1,000 1,950 13,500 6 1,750 1,900 1,100 3,200 700
11 1,250 2,300 16,400 6 1,850 2,000 1,150 4,000 850
12 1,500 2,800 19,800 6 1,950 2,100 1,250 4,150 1,150
13 2,000 3,250 24,000 6 2,050 2,250 1,350 5,650 1,450
14 2,500 3,500 28,500 6 2,150 2,450 1,450 6,450 1,750

 

1-2. 33kV - 400/230V

Item Capacity No load Load loss (75oC) Impedance Dimensions(mm) Total weight Oil
kVA Watt Watt % Height Length Width kg Liter
1 50 170 950 4 1,300 1,000 700 550 165
2 100 260 1,550 4 1,400 1,050 750 800 230
3 160 370 2,100 4 1,450 1,150 750 990 280
4 250 520 2,950 4 1,500 1,200 750 1450 350
5 315 850 3,900 4 1,550 1,350 800 1450 400
6 400 1000 4,600 4 1,550 1,450 850 1700 450
7 500 1,200 5,500 4 1,650 1,500 900 1900 500
8 630 1,400 6,500 4 1,700 1,650 850 2,300 550
9 800 1,700 11,000 6 1,750 1,850 1,100 2,650 700
10 1,000 2,000 13,500 6 1,900 1,950 1,100 3,350 750
11 1,250 2,350 16,400 6 2,000 2,000 1,150 4,150 900
12 1,500 2,850 19,800 6 2,100 2,100 1,250 4,300 1,200
13 2,000 3,300 24,000 6 2,200 2,250 1,350 5,800 1,450
14 2,500 3,800 28,500 6 2,350 2,450 1,450 6,600 1,750

Distribution Transformer Outline

info-1-1

Distribution Transformer

info-1-1

 

2. Accessories (Standard & Option)

Item   kVA 50 100 160 250 315 400 500 630 800 1000 1250 1500 2000 2500
1 Bushings   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
2 Arcing horn   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
3 Off load tap changer   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
4 Earth terminal   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
5 Lifting lug   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
6 Lifting eye   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
7 Wheel   ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
8 Nameplate   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
9 Oil drain   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
10 Thermometer pocket   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
11 Marshaling box   ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
12 Cable box   ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
13 P'ry terminal connector Pad type ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Clamp type ● ● ● ● ● ● ● ● ● ● ● ● ● ●
14 S'ry terminal connector Pad type ● ● ● ● ● ● ○ ○ ○ ○ ○ ○ ○ ○
Clamp type ○ ○ ○ ○ ○ ○ ● ● ● ● ● ● ● ●
15 Oil level gauge W/O contact ● ● ● ● ● ● ● ● ● ● ● ● ● ●
16 Thermometer W/O contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
17 WDG Temp.indicator 2 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
18 Pressure relief device W/O contact ● ● ● ● ● ● ● ● ● ● ● ● ● ●
1 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

Accessaries List
● Standard Accessaries
○ Option Accessaries

 

3. Remarks

Fuji Tusco reserve the right to any changes of these information, herein.

Distribution transformers are designed for general application uses at ambient temperature maximum 40℃ at temperature raised 60℃ (top oil) / 65℃ (winding), which will be manufactured and tested in accordance with the latest IEC standard.

 

Open Type with Conservator Tank (Mineral Oil)

 

1. Specifications (Technical Data are subjected to change without notice.)

 

1-1. Open Type with Conservator Tank 22kV – 400/230V & 24kV - 416/240V

Item Capacity No load Load loss (75oC) Impedance Dimensions(mm) Total weight Oil
kVA Watt Watt % Height Length Width kg Liter
1 50 160 950 4 1,250 1,300 850 650 150
2 100 250 1,550 4 1,350 1,300 850 750 200
3 160 360 2,100 4 1,450 1,400 850 950 250
4 250 500 2,950 4 1,550 1,500 850 1200 320
5 315 800 3,900 4 1,600 1,550 850 1250 350
6 400 960 4,600 4 1,650 1,600 900 1550 380
7 500 1,150 5,500 4 1,700 1,700 950 1800 450
8 630 1,350 6,500 4 1,750 1,800 950 2,100 600
9 800 1,600 11,000 6 1,850 1,900 1,050 2,650 650
10 1,000 1,950 13,500 6 2,050 2,050 1,150 3,200 700
11 1,250 2,300 16,400 6 2,100 2,250 1,200 4,000 900
12 1,500 2,800 19,800 6 2,250 2,250 1,350 4,200 1,100
13 2,000 3,250 24,000 6 2,350 2,300 1,400 5,500 1,200
14 2,500 3,500 28,500 6 2,500 2,500 1,550 6,500 1,800

 

1-2. Open Type with Conservator Tank 33kV – 400/230V

Item Capacity No load Load loss (75oC) Impedance Dimensions(mm) Total weight Oil
kVA Watt Watt % Height Length Width kg Liter
1 50 170 950 4 1,450 1,400 900 700 200
2 100 260 1,550 4 1,550 1,400 900 800 250
3 160 370 2,100 4 1,650 1,500 900 1,000 300
4 250 520 2,950 4 1,750 1,600 900 1250 350
5 315 850 3,900 4 1,750 1,650 900 1350 400
6 400 1000 4,600 4 1,800 1,700 950 1650 450
7 500 1,200 5,500 4 1,850 1,800 1000 1900 500
8 630 1,400 6,500 4 1,900 1,900 1,000 2,200 650
9 800 1,700 11,000 6 2,000 2,000 1,100 2,750 700
10 1,000 2,000 13,500 6 2,200 2,150 1,200 3,500 750
11 1,250 2,350 16,400 6 2,250 2,350 1,250 4,500 950
12 1,500 2,850 19,800 6 2,400 2,350 1,400 4,800 1,150
13 2,000 3,300 24,000 6 2,500 2,400 1,450 6,200 1,250
14 2,500 3,800 28,500 6 2,650 2,600 1,600 7,200 1,850

 

Distribution Transformer Outline

info-1-1

Distribution Transformer

info-1-1

 

2. Accessories (Standard & Option)

Item   kVA 50 100 160 250 315 400 500 630 800 1000 1250 1500 2000 2500
1 Bushings   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
2 Arcing horn   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
3 Off load tap changer   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
4 Dehydrating breather filled with
silica gel		   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
5 Earth terminal   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
6 Lifting lug   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
7 Lifting eye   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
8 Wheel   ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
9 Nameplate   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
10 Oil drain   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
11 Thermometer pocket   ● ● ● ● ● ● ● ● ● ● ● ● ● ●
12 Marshaling box   ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
13 Cable box   ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
14 P'ry terminal connector Pad type ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Clamp type ● ● ● ● ● ● ● ● ● ● ● ● ● ●
15 S'ry terminal connector Pad type ● ● ● ● ● ● ○ ○ ○ ○ ○ ○ ○ ○
Clamp type ○ ○ ○ ○ ○ ○ ● ● ● ● ● ● ● ●
16 Oil level gauge W/O contact ● ● ● ● ● ● ● ● ● ● ● ● ● ●
17 Thermometer W/O contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
18 WDG Temp.indicator 2 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
19 Buchholz relay 2 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ● ● ● ● ●
19 Pressure relief device W/O contact ● ● ● ● ● ● ● ● ● ● ● ● ● ●
1 contact ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

Accessaries List
● Standard Accessaries
○ Option Accessaries

 

3. Remarks

Fuji Tusco reserve the right to any changes of these information, herein.

Distribution transformers are designed for general application uses at ambient temperature maximum 40℃ at temperature raised 60℃ (top oil) / 65℃ (winding), which will be manufactured and tested in accordance with the latest IEC standard.

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