S11-M series three-phase double-winding no-load voltage regulation 20kV distribution transformer
Rated capacity (kVA)	Voltage combination (kV)			Bonding group	Loss (W)		No-load current (%)	short circuit impedance (%)	Weight (kg)		Exterior dimension (mm)					Gauge mm
Rated capacity (kVA)	High pressure	Low pressure		Bonding group	No-load	Load	No-load current (%)	short circuit impedance (%)	Oil weight	Total weight	Long	Wide		High		Gauge mm
30	20±5% Or ± 2 × 2.5%		0.4	Yyn0 Dyn11	100	690/660	2.1	5.5	100	360	800		680		950	400 × 400
50					130	1010/960	2		120	410	850		700		970	400 × 400
63					150	1200/1150	1.9		140	480	880		710		1000	400 × 400
80					180	1440/1370	1.8		150	540	900		720		1030	400 × 400
100					200	1730/1650	1.6		170	615	950		750		1050	400 × 400
125					240	2080/1980	1.5		180	710	950		900		1070	550 × 550
160					290	2540/2420	1.4		195	790	1000		900		1100	550 × 550
200					340	3000/2860	1.3		220	910	1050		930		1120	550 × 550
250					400	3520/3350	1.2		245	1040	1100		950		1150	550 × 550
315					480	4210/4010	1.1		280	1185	1450		950		1200	550 × 550
400					570	4970/4730	1		300	1370	1500		1000		1250	660 × 660
500					680	5940/5660	1		350	1620	1550		1050		1320	660 × 660
630					810	6820	0.9	6	420	2085	1650		1100		1350	660 × 660
800					980	8250	0.8		465	2400	1700		1200		1450	820 × 820
1000					1150	11330	0.7		580	2880	1900		1350		1500	820 × 820
1250					1380	13200	0.7		640	3300	1950		1380		1550	820 × 820
1600					1660	15950	0.6		770	4000	2050		1450		1600	820 × 820
Note: 1. For transformers with rated capacity of 500kVA and below, the load loss value above the slash in the table is applicable to Dyn11 connection group, and the load loss value below the slash is applicable to Yyn0 connection group. 2. The loss parameters in the table are also applicable to the three-phase transformer with high-voltage dual-voltage 20(10).