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Product Description

The 110KV power transformers have the characteristics of low loss, low temperature rise, low noise, low partial discharge, and strong short-circuit resistance, thereby saving a lot of electrical energy loss and operating costs. This product is mainly used in power plants, substations, and large industrial and mining enterprises.

Product features

1. The product has the characteristics of low no-load current, low noise, high heat dissipation efficiency, and high mechanical strength of the fuel tank.

2. It can reduce the internal temperature rise of the coil and extend the lifespan of the insulation material.

3. The product adopts special processes during transportation and use to prevent displacement and loosening.

Technical parameter

Table 1. 110KV level three-phase dual winding non excitation voltage regulating power transformer

Transformer capacity（kVA）	High pressure（kV）	Low pressure（kV）	Connection symbol	No-load loss（kW）	Load loss（kW）	No-load current（％）	Short circuit impedance（％）
6300	110±2×2.5%； 115±2×2.5%；121±2×2.5%	6.3 6.6 10.5	YNd11	7.40	35.0	0.62	10.5
8000				8.90	42.0	0.62
10000				10.5	50.0	0.58
12500				12.4	59.0	0.58
16000				15.0	73.0	0.54
20000				17.6	88.0	0.54
25000				20.8	104	0.50
31500				24.6	123	0.48
40000				29.4	148	0.45
50000				35.2	175	0.42
63000				41.6	208	0.38
75000		13.8 15.75 18 21		47.2	236	0.33	12--14
90000				54.4	272	0.30
120000				67.8	337	0.27
150000				80.1	399	0.24
180000				90.0	457	0.20

Table 2. 110KV level three-phase three winding non excitation voltage regulating power transformer

Transformer capacity（kVA）	High pressure（kV）	Medium voltage（kV）	Low pressure（kV）	Connection symbol	No-load loss（kW）	Load loss（kW）	No-load current（％）	Short circuit impedance（％）
Transformer capacity（kVA）	High pressure（kV）	Medium voltage（kV）	Low pressure（kV）	Connection symbol	No-load loss（kW）	Load loss（kW）	No-load current（％）	Boost	Step-down
6300	110±2×2.5% 115±2×2.5% 121±2×2.5%	36 37 38.5	6.3 6.6 10.5 21	YNyn0d11	8.90	44.0	0.66	High - Medium1 7.5-18.5 High - Low 10.5 Medium - Low 6.5	High - Medium 10.5 High - Low18--19 Medium - Low 6.5
8000					10.6	53.0	0.62
10000					12.6	62.0	0.59
12500					14.7	74.0	0.56
16000					17.9	90.0	0.53
20000					21.1	106	0.52
25000					24.6	126	0.48
31500					29.4	149	0.48
40000					34.8	179	0.44
50000					41.6	213	0.44
63000					49.2	256	0.40

Table 3. 110KV level three-phase dual winding on load tap changer power transformer

Transformer capacity（kVA）	High pressure（kV）	Low pressure（kV）	Connection symbol	No-load loss（kW）	Load loss（kW）	No-load current（％）	Short circuit impedance（％）
6300	110±8×1.25%	6.3 6.6 10.5 21	YNd11	8.00	35.0	0.64	10.5
8000				9.60	42.0	0.64
10000				11.3	50.0	0.59
12500				13.4	59.0	0.59
16000				16.1	73.0	0.55
20000				19.2	88.0	0.55
25000				22.7	104	0.51
31500				27.0	123	0.51
40000				32.3	156	0.46	12--18
50000				38.2	194	0.46
63000				45.4	232	0.42

Table 4. 110KV level three-phase three winding on load tap changer power transformer

Transformer capacity（kVA）	High pressure（kV）	Medium voltage（kV）	Low pressure（kV）	Connection symbol	No-load loss（kW）	Load loss（kW）	No-load current（％）	Short circuit impedance（％）
6300	110±8×1.25%	36 37 38.5	6.3 6.6 10.5 21	YNyn0d11	9.60	44.0	0.76	High - Medium 10.5 High - Low 18--19 Medium - Low 6.5
8000					11.5	53.0	0.76
10000					13.6	62.0	0.71
12500					16.1	74.0	0.71
16000					19.3	90.0	0.67
20000					22.8	106	0.67
25000					27.0	126	0.62
31500					32.1	149	0.62
40000					38.5	179	0.58
50000					45.5	213	0.58
63000					54.1	256	0.53

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110KV power transformers