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Main performance parameters for SC (B) 10  15~22KV voltage regulating power transformer without excitation

Model	Rated capacity (KVA)	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
			High- voltage	Tapping range	Low- voltage
SC10-50	50	Yyn0 or Dyn11	15 20 22	±5% ±2×2.5%	0.4	345	1180	2.4	6.0
SC10-100	100					545	1910	2.2
SC10-160	160					682	2780	1.8
SC10-200	200					745	2820	1.8
SC10-250	250					855	3280	1.6
SC10-315	315					980	3910	1.6
SC10-400	400					1165	4640	1.4
SC10-500	500					1365	5550	1.4
SC10-630	630					1545	6550	1.2
SC10-800	800					1775	7910	1.2
SC10-1000	1000					2090	9370	1.0
SC10-1250	1250					2410	11050	1.0
SC10-1600	1600					2820	13300	1.0
SC10-2000	2000					3280	15690	0.8
SC10-2500	2500					3910	18550	0.8

 

• n Main performance parameters for SC (B) 10 35KV voltage regulating power transformer without excitation

Model	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
		High- voltage	Tapping range	Low- voltage
SC10-800	Dyn11 Yd11 Yyn0	33~38.5	±5% ±2×2.5%	3.5 6 6.3 10 10.5 11	2200	9400	1.1	6.0
SC10-1000					2610	10800	1.1
SC10-1250					3060	11900	1.0
SC10-1500					3600	15400	1.0
SC10-2000					4130	18200	0.9	7.0
SC10-2500					4750	21800	0.9
SC10-3150					5880	24500	0.8	8.0
SC10-4000					6860	29400	0.8
SC10-5000					8180	34960	0.7
SC10-6300					9680	40800	0.7
SC10-8000	Dyn11 Yd11 YNd11				11000	46060	0.6	9.0
SC10-10000				6 6.3 10.5 11	12660	56500	0.6
SC10-12500					15400	64600	0.5
SC10-16000					18900	76000	0.5
SC10-20000					22400	85500	0.4	10.0

 

Voltage classes KV	Maximum running voltage KV (effective value)	Rated short-time power frequency withstand voltage KV (effective value)/1 minute	Rated lightning impulse withstand voltage kV (peak value)
			Full wave	Clipped wave
0.4	0.46	5	75	85
10	12	35	75
20	24	50	125
35	42	70	170

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