S11-M series 10kV three-phase two-winding non-excitation voltage regulating distribution transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
30	6 6.3 6.6 10 10.5 11	±2x2.5 ±5	0.4	Dyn11 Yzn11 Yyn0	100	630/600	1.5	4
50					130	910/870	1.3
63					150	1090/1040	1.2
80					180	1310/1250	1.2
100					200	1580/1500	1.1
125					240	1890/1800	1.1
160					280	2310/2200	1
200					340	2730/2600	1
250					400	3200/3050	0.9
315					480	3830/3650	0.9
400					570	4520/4300	0.8
500					680	5410/5150	0.8
630				Dyn11 Yyn0	810	6200	0.6	4.5
800					980	7500	0.6
1000					1150	10300	0.6
1250					1360	12000	0.5
1600					1640	14500	0.5
2000					1940	18300	0.4	5
2500					2290	21200	0.4

Note 1: For transformers with a rated capacity of 500kVA and below, the load loss value above the diagonal line in the table applies to the Dyn11 or Yzn11 connection group, and the load loss value below the diagonal line applies to the Yyno connection group. Note 2: For transformers with rated capacity of 500kVA and below, the load loss value above the diagonal line in the table applies to the Dyn11 connection group, and the load loss value below the diagonal line applies to the Yyn0 connection group.

S11-M series 20kV three-phase two-winding non-excitation voltage regulating distribution transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
30	20 22 24	±5% ±2x2.5%	0.4	Dyn11 Yzn11 Yyn0	100	690/660	2.1	5.5
50					130	1010/960	2
63					150	1200/1150	1.9
80					180	1440/1370	1.8
100					200	1730/1650	1.6
125					240	2080/1980	1.5
160					280	2540/2420	1.4
200					340	3000/2860	1.3
250					400	3520/3350	1.2
315					480	4210/4010	1.1
400					570	4970/4730	1
500					680	5940/5660	1
630					810	6820	0.9	6
800					980	8250	0.8
1000					1150	11330	0.7
1250					1380	13200	0.7
1600					1650	15950	0.6
2000					1950	19140	0.6
2500					2340	22220	0.5

S11 series 35kV three-phase two-winding non-excitation voltage regulating distribution transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
50	35 38	±5% ±2x2.5%	0.4	Dyn11 Yyn0	160	1200/1140	1.3	6.5
100					230	2010/1910	1.1
125					270	2370/2260	1.1
160					280	2820/2680	1
200					340	3320/3160	1
250					400	3950/3760	0.95
315					480	4750/4530	0.95
400					580	5740/5470	0.85
500					680	6910/6580	0.85
630					830	7860	0.65
800					980	9400	0.65
1000					1150	11500	0.65
1250					1400	13900	0.6
1600					1690	16600	0.6
2000					1990	19700	0.55
2500					2360	23200	0.55

Note 1: For transformers with rated capacity of 500kVA and below, the load loss value above the slash in the table applies to the Dyn11 connection group, and the load loss value below the slash applies to the Yyn0 connection group

S11 series 35kV three-phase double winding non-excitation voltage regulating power transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
630	35	±2x2.5% ±5%	3.15 6.3 10.5	Yd11	830	7860	0.65	6.5
800					980	9400	0.65
1000					1150	11500	0.65
1250					1400	13900	0.55
1600					1690	16600	0.45
2000					2170	18300	0.45
2500					2560	19600	0.45
3150	35-38.5	±2x2.5% ±5%	3.15 6.3 10.5		3040	23000	0.45	7
4000					3610	27300	0.45
5000					4320	31300	0.45
6300					5240	35000	0.45
8000	35-38.5	±2x2.5%	3.15 3.3 6.3 6.6 10.5	YNd11	7200	38400	0.35	8
10000					8700	45300	0.35
12500					10000	53800	0.3
16000					12100	65800	0.3
20000					14400	79500	0.3
25000					17000	94000	0.25	10
31500					20200	112000	0.25

Note: For transformers with a low voltage of 10.5kVA, products with the connection group number DYn11 can be provided. For transformers with a rated capacity of 3150kvA and above, the -5% tap position is the maximum current tap.

SZ11 series 35kV three-phase double winding on-load voltage regulating power transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
2000	35	±3x2.5%	6.3 10.5	Yd11	2300	19200	0.5	6.5
2500					2720	20600	0.5
3150	35-38.5				3230	24700	0.5	7
4000					3870	29100	0.5
5000					4640	34200	0.5
6300					5630	36700	0.5	8
8000				YNd11	7870	40600	0.4
10000					9280	48000	0.4
12500			6.3 6.6 10.5		10900	56800	0.35
16000					13100	70300	0.35
20000					15500	82700	0.3
25000					18300	97800	0.3	10
31500					21800	116000	0.3

Note: For low-voltage transformers with a voltage of 10.5kVA, products with the connection group number DYn11 are available. -7.5% tap position is maximum current tap.

S11-M series 20kV three-phase two-winding non-excitation voltage regulating distribution transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
30	20 22 24	±5% ±2x2.5%	0.4	Dyn11 Yzn11 Yyno	100	690/660	2.1	5.5
50					130	1010/960	2
63					150	1200/1150	1.9
80					180	1440/1370	1.8
100					200	1730/1650	1.6
125					240	2080/1980	1.5
160					280	2540/2420	1.4
200					340	3000/2860	1.3
250					400	3520/3350	1.2
315					480	4210/4010	1.1
400					570	4970/4730	1
500					680	5940/5660	1
630					810	6820	0.9	6
800					980	8250	0.8
1000					1150	11330	0.7
1250					1380	13200	0.7
1600					1650	15950	0.6
2000					1950	19140	0.6
2500					2340	22220	0.5

S11 series 35kV three-phase two-winding non-excitation voltage regulating distribution transformer

Rated capacity (kVA)	Voltage combination and tap range			association group label	No-load loss (W)	Load loss (W)	No-load current(%)	Short circuit impedance(%)
	High voltage (kV)	High voltage tap range (%)	Low voltage (kV)
50	35 38.5	±5% ±2x2.5%	0.4	Dyn11 Yyno	160	1200/1140	1.3	6.5
100					230	2010/1910	1.1
125					270	2370/2260	1.1
160					280	2820/2680	1
200					340	3320/3160	1
250					400	3950/3760	0.95
315					480	4750/4530	0.95
400					580	5740/5470	0.85
500					680	6910/6580	0.85
630					830	7860	0.65
800					980	9400	0.65
1000					1150	11500	0.65
1250					1400	13900	0.6
1600					1690	16600	0.6
2000					1990	19700	0.55
2500					2360	23200	0.55