10KV、20KV S11/S13/S20/S22 Oil-immersed distribution transformer

S11/513/S20/S22 series fully sealed oil-immersed transformers are applicable to power systems with an ac 50Hz and rated working voltage of 20kV and below,as distribution transformers for petroleum, metallurgy, chemical industry, textile, light industry and other enterprises and places with large dust.

Get A Quote

PREV：No previous product NEXT：Pre-Installed Underground Box Transformer

Description
Parameter

Iron core: The iron core is a cold-rolled silicon steel sheet with high permeability magnetic grain orientation. The iron core is a new type of iron core, a full oblique joint stacking type iron core. The iron core column is a circular section of multi-stage steps, and the iron yoke and the iron core are equal sections.

Winding: The winding adopts corrugated oil channel, no paint dipping process, tight tape binding; The windings are concentric coils: the high voltage winding has a tap required for the tapping voltage, which is led to the tap-changer, the switch is installed on the box cover, and the tap voltage can be changed after the power supply is disconnected.

Safety protection device: A 30~2000kVA transformer is equipped with a voltage relief valve; Gas relays with alarm and tripping terminals can be installed according to user requirements.

Oil temperature measuring device: the transformer is equipped with a glass thermometer tube base, the tube base i located on the top of the tank, and extends into the oil 120±10mm;1000~2000kVA transformer equipped with outdoor signal thermometer;

Transformer oil tank: The transformer oil tank is composed of corrugated walls, and the surface is sprayed with dust, and the paint film is firm. The corrugated heat sink not only has a cooling function, but also has a "breathing "function, and the elasticity of the corrugated heat sink can compensate for the change in the volume of transformer oil caused by the temperature rise and fall. Therefore, the fully sealed transformer has no oil storage tank, reducing the overall height of the transformer. When the transformer is packaged, the vacuum oiling process is used to completely remove the moisture in the transformer, and the transformer oil does not contact the air. It can effectively prevent the oxygen and moisture from invading the transformer and lead to the deterioration of the transformer insulation performance and the transformer oil aging, so the oil sample test is carried out from time to time.

6- 10 kV type S11-M Oil-immersed distribution transformers

Rated capacity (KVA)	Voltage combination and tap range			Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	High voltage (KV)	High voltage tap range(%)	Low pressure (KV)	Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
30	11 10.5 10 6.3 6	±5 ±2×2.5%	0.4 0.69	Yyn0 Dyn11	100	630/600	2.3	4
50					130	910/870	2	4
63					150	1090/1040	1.9	4
80					180	1310/1250	1.9	4
100					200	1580/1500	1.8	4
125					240	1890/1800	1.7	4
160					280	2310/2200	1.6	4
200					340	2730/2600	1.5	4
250					400	3200/3050	1.4	4
315					480	3830/3650	1.4	4
400					570	4520/4300	1.3	4
500					680	5410/5150	1.2	4
630					810	6200	1.1	4.5
800					960	7500	1	4.5
1000					1150	10300	1	4.5
1250					1360	12000	0.9	4.5
1600					1640	14500	0.8	4.5
2000					1960	19800	0.8	5
2500					2310	23000	0.7	5

20kv type S11-M Oi-immersed distribution transformers(30kva~1600kva three-phase double-winding unexcited voltage regulation distribution transformer)

Rated capacity (KVA)	Voltage combination and tap range			Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	High voltage (kV)	High voltage tap range(%)	Low pressure (kV)	Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
30	11 10.5 10 6.3 6	±5 ±2×2.5%	0.4 0.69	Yyn0 Dyn11	100	630/600	2.3	4
50					130	910/870	2	4
63					150	1090/1040	1.9	4
80					180	1310/1250	1.9	4
100					200	1580/1500	1.8	4
125					240	1890/1800	1.7	4
160					280	2310/2200	1.6	4
200					340	2730/2600	1.5	4
250					400	3200/3050	1.4	4
315					480	3830/3650	1.4	4
400					570	4520/4300	1.3	4
500					680	5410/5150	1.2	4
630					810	6200	1.1	4.5
800					960	7500	1	4.5
1000					1150	10300	1	4.5
1250					1360	12000	0.9	4.5
1600					1640	14500	0.8	4.5
2000					1960	19800	0.8	5
2500					2310	23000	0.7	5

6~10kV type S13-M Oil-immersed distribution transformers

Rated capacity (kVA)	Voltage combination and tap range			Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Rated capacity (kVA)	High voltage (kV)	High voltage tap range(%)	Low pressure (kV)	Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
30	6 6.3 6.6 10 10.5 11	±5 ±2×2.5%	0.4	Dyn11 Yzn11 Yyn0	80	630/600	1.8	4
50					100	910/870	1.6	4
63					110	1090/1040	1.6	4
80					130	1310/1250	1.5	4
100					150	1580/1500	1.4	4
125					170	1890/1800	1.4	4
160					200	2310/2200	1.3	4
200					240	2730/2600	1.2	4
250					290	3200/3050	1.2	4
315					340	3830/3650	1.1	4
400					410	4520/4300	1.1	4
500					480	5410/5150	1	4
630					570	6200	0.9	4.5
800				Dyn11 Yyn0	700	7500	0.8	4.5
1000					830	10300	0.8	4.5
1250					970	12000	0.7	4.5
1600					1170	14500	0.6	4.5

20kV type S13-M Oil-immersed distribution transformers

Rated capacity (KVA)	Voltage combination and tap range			Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	High voltage (kV)	High voltage tap range(%)	Low pressure (kV)	Connection symbol	No-load loss(W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
50	20 22 24	±5 ±2×2.5%	0.4	Dyn11 YynO	170	1270/1210	2	6.5
100					230	2120/2020	1.8	6.5
125					270	2500/2380	1.7	6.5
160					290	2970/2830	1.6	6.5
200					340	3500/3330	1.5	6.5
250					410	4160/3960	1.4	6.5
315					490	5010/4770	1.4	6.5
400					580	6050/5760	1.3	6.5
500					690	7280/6930	1.2	6.5
630					830	8280	1.1	6.5
800					980	9900	1	6.5
1000					1150	12150	1	6.5
1250					1410	14670	0.9	6.5
1600					1700	17550	0.8	6.5

10kV oil-immersed three-phase double-winding unexcited voltage regulation distribution transformer energy efficiency grade

Rated capacity(kVA)	S22 NX1			Short-circuit impedance(%)
	No-load loss(W)	Load loss(W)
	No-load loss(W)	Dyn11/Yzn11	Yyn0
30	65	455	430	4
50	80	655	625
63	90	785	745
80	105	945	900
100	120	1140	1080
125	135	1360	1295
160	160	1665	1585
200	190	1970	1870
250	230	2300	2195
315	270	2760	2630
400	330	3250	3095
500	385	3900	3710
630	460	4460		4.5
800	560	5400
1000	665	7415
1250	780	8640
1600	940	10440
2000	1085	13180		5
2500	1280	13360		5

10kV oil-immersed three-phase double-winding unexcited voltage regulation distribution transformer energy eficiency grade

Rated capacity	S20 NX2			Short-circuit impedance(%)
	No-load loss(W)	Load loss(W)
	No-load loss(W)	Dyn11/Yzn11	Yyn0
30	70	505	480	4
50	90	730	695
63	100	870	830
80	115	1050	1000
100	135	1265	1200
125	150	1510	1440
160	180	1850	1760
200	215	2185	2080
250	260	2560	2440
315	305	3065	2920
400	370	3615	3440
500	430	4330	4120
630	510	4960		4.5
800	630	6000
1000	745	8240
1250	870	9600
1600	1050	11600
2000	1225	14640		5
2500	1440	14840		5