3 phase oil-immersed distribution transformer

11kV 22kV 33kV oil-immersed ONAN ditribution transformer
Tender project distribution transformer
3phase oil filled transformer

Main Characteristics

1.Low no-load loss and energy conservation

2.Low noise and environmental protection

3.Long service lifetime and safe and reliable performance

4.Advanced structural design and exquisite craftsmanship

5.Appropriate protective measures

 

Normal Operation Conditions

1.Installation site: outdoors or indoors

2.Altitude: less than 1000M

 

3.Ambient temperature: -25oC~+40oC

 

4.Maximum relative humidity: 95%(25oC)

5.Earthquake-resistant capability: the horizontal acceleration of ground surface is 0.3g, and 

          the vertical acceleration of ground surface is 0.15g

          concurrently acting continuous three sine waves, safety factor ≥1.67

6.All-weather working capability in outdoor environment

7.The equipment has certain capability in dustproof, antifouling, waterproof, earthquake resistance and shock resistance

 

Note: Transformers operating in special environment are available upon the demand of customers.

 

 

 

S(B)9-M(RL)-10~3150/10,6  

Performance Parameter List

 

Rated capacity (kVA)	Voltage combination and tap range			Connection Group	No-load loss (W)	75°C load loss (W)	No-load current (%)	Impedance voltage (%)
	High voltage (kV)	Tap (%)	Low voltage (kV)
10	6 6.3 6.6 10 10.5 11	±5 ±2×2.5	0.4 0.69	Yyn0 Dyn11 Yzn11	70	310/325	3.20	4.0
20					100	480/500	3.00
30					130	600/630	2.80
50					170	870/910	2.50
63					200	1040/1090	2.40
80					250	1250/1310	2.20
100					290	1500/1580	2.10
125					340	1800/1890	2.00
160					400	2200/2310	1.90
200					480	2600/2730	1.80
250					560	3050/3200	1.70
315					670	3650/3830	1.60
400					800	4300/4520	1.50
500					960	5150/5410	1.40
630					1200	6200	1.30	4.5
800					1400	7500	1.20
1000					1700	10300	1.10
1250					1950	12000	1.00
1600					2400	14500	0.90
2000					2650	17400	0.80	5.0
2500					3200	20200	0.70
3150					3800	24000	0.60

Note: 1. Load loss values above the oblique line in the table are applicable to the Yyn0 connection group, and the values below the oblique line are applicable to the Dyn11 or Yzn11 connection group. 

         2. The list shows main performance parameters of a three-phase duplex winding off-circuit-tap-changing distribution transformer. Customized transformers of different specification are available upon the demand of users.

 

Ordering Instructions

Please provide the following parameters for placing an order: 1. Product model; 2. Rated capacity; 3. Voltage combination; 4. Regulation range; 5. Frequency; 6. Connection group symbol; 7.Technical requirements for special product.