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220kV power transformer

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1000

220kV power transformer

The 220kV power transformer developed and produced by Tianan Electric adopts a 110kV power transformer folded plate fuel tank structure, which makes the product structure more reasonable, convenient for on-site installation and hanging cover inspection, and combines the company’s years of experience in transformer production and design, product reliability and performance The indicators have reached the international advanced level. After continuous improvement and improvement, a series of products have been formed. The product series include three-phase dual-winding and three-winding non-excitation voltage-regulating transformers, on-load voltage-regulating transformers and autotransformers.

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Number of views:

1000

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Transformer

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For more information, please send an email or call our hotline.

TEL：+86-0574-65728118

E-mail：sales@tianan.com

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Product application: power plants, substations, large industrial and mining enterprises

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(S11 series 220kV three-phase dual-winding non-excitation voltage regulating power transformer)

Rated Capacity	Voltage combination and tapping range		Connection group	No load loss (kW)	Load loss(kW)	No-load current (%)	Short circuit impedance (%)
Rated Capacity	high pressure HV	Low pressure LV	Connection group	No load loss (kW)	Load loss(kW)	No-load current (%)	Short circuit impedance (%)
31500	220 ±2×2.5% 242 ±2×2.5%	6.3 6.6 10.5 11	Ynd11	28	128.3	0.5	12～14
40000				32.8	149.2	0.5
50000				39.2	179.6	0.45
63000				46.4	209.0	0.45
75000		10.5 11 13.8		53.6	237.5	0.4
90000				61.6	273.6	0.35
120000				75.2	327.8	0.35
150000		11 13.8 15.75 18、20		89.6	384.8	0.3
160000				93.6	403.8	0.29
180000				102.4	436.1	0.26
240000				128.0	538.7	0.22
300000				151.2	641.3	0.18
360000				173.6	735.3	0.18
370000				176.8	750.5	0.18
400000				187.2	795.2	0.15
420000				193.6	824.6	0.15

S11 series 220kV three-phase three-winding on-load tapping power transformer

Rated Capacity	Voltage combination and tapping range			Connection group	No load loss (kW)	Load loss(kW)	No-load current (%)	Capacity allocation(%)	Short circuit impedance (%)
Rated Capacity	high pressure HV	Medium pressure MV	Low pressure LV	Connection group	No load loss (kW)	Load loss(kW)	No-load current (%)	Capacity allocation(%)	Short circuit impedance (%)
31500	220 ±8×1.25%	69 115 121	6.3 6.6 10.5 11 35 37 38.5	YNyn0d11	35.2	153.9	0.57	100/100/100 100/50/100 100/100/50	High-Medium 12～14 High-low 22～24 Medium-low 7～9
40000					41.6	179.6	0.50
50000					48	213.8	0.43
63000					56	248.0	0.43
90000					73.6	333.5	0.36
120000					92	410.4	0.36
150000			10.5 11 13.8 35 37 38.5		108	487.4	0.29
180000					124.8	598.5	0.29
240000					154.4	741.0	0．25

110kV power transformer

None

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