Feature

Made of High-quality Silicon-steel Sheets, and Laminated by Steps

Low loss, Low noise, and High Short-circuit Withstand Capacity, Etc

Wildly Used in Power Station, Power Plant, and Gets High Praise from Them

Passed a Complete Set of National Tests and the Short-circuit Withstand Capacity Test.

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Product Introduction

OVERVIEW

The core of 110kV power transformers is made of high-quality silicon-steel sheets, and laminated by steps. It is advantageous in low loss, low noise, and high short-circuit withstand capacity, etC. Now it is wildly used in power station, power plant, and gets high praise from them. SZ11-63000/110 transformers have passed a complete set of National tests and the short-circuit withstand capacity test.

Technical Parameters

110kV Double -winding Power Transformers with On -load Tap -changer

Rated Capacity	Voltage ratio (KV)			Vector Group	No-load Loss	No-load Current	Full-load Loss	Impedance
(kVA)	HV	Tapping Range	LV		(kW)	(%)	(kW)	(%)
6300	110 121	±8×1.25%	6.3 6.6 10.5 11	YNd11	10	0.6	36	10.5
8000					12	0.6	45
10000					14.2	0.55	53
12500					16.8	0.55	63
16000					20.2	0.5	77
20000					24	0.5	93
25000					28.4	0.45	110
31500					33.8	0.45	133
40000					40.4	0.4	156
50000					47.8	0.4	194
63000					56.8	0.35	234
75000					63.4	0.35	278
90000					73.1	0.3	320
120000					91.2	0.3	397

110kV Three -winding Power Transformers with On -load Tap -changer

Rated Capacity	Voltage ratio (KV)			Vector Group	No-load Loss	No-load Current	Full-load Loss	Impedance
(kVA)	HV	Tapping Range	LV		(kW)	(%)	(kW)	Step -Down	Step -Up
6300	110 ±8× 1.25%	35 37 38.5 ±2×2.5% or ±5%	6.3 6.6 10.5 11	YNd110d11	12	0.6	47	H-M 10.5 H-L 17-18 M-L 6.5	H-M 17-18 H-L 10.5 M-L 6.5
8000					14.4	0.6	56
10000					17.1	0.55	66
12500					20.2	0.55	78
16000					24.2	0.5	95
20000					28.6	0.5	112
25000					33.8	0.45	133
31500					40.2	0.45	157
40000					48.2	0.4	189
50000					56.9	0.4	225
63000					67.7	0.35	270

66kV Double-winding Power Transformers with Off -circuit Tap -changer

Rated Capacity	Voltage ratio (KV)			Vector Group	No-load Loss	No-load Current	Full-load Loss	Impedance
(kVA)	HV	Tapping Range	LV		(kW)	(%)	(kW)	(%)
6300	110 121	±2×2.5	6.3 6.6 10.5 11	YNd11	9.2	0.6	36.0	9
8000					11.2	0.6	42.7
10000					13.2	0.55	50.4
12500					15.6	0.55	59.8
16000					18.8	0.5	73.5
20000					22.0	0.5	89.1
25000					26.0	0.45	105.3
31500					30.8	0.45	126.9
40000					36.8	0.4	148.9
50000					44.0	0.4	184.5
63000					52.0	0.35	222.3

66kV Double-winding Power Transformers with On -load Tap -changer

Rated Capacity	Voltage ratio (KV)			Vector Group	No-load Loss	No-load Current	Full-load Loss	Impedance
(kVA)	HV	Tapping Range	LV		(kW)	(%)	(kW)	(%)
6300	63 66 69	±8×1.25%	6.3 6.6 10.5 11	YNd11	10	0.6	36.0	9
8000					12	0.6	42.7
10000					14.2	0.55	50.4
12500					16.8	0.55	69.8
16000					20.2	0.5	73.5
20000					24	0.5	89.1
25000					28.4	0.45	105.3
31500					33.7	0.45	126.9
40000					40.3	0.4	148.9
50000					47.6	0.4	184.9
63000					56.2	0.35	222.3

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