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SZ11, SFZ11 on-load voltage regulator series
⎝⎛彩票注册⎞⎠ >> Products >> Power transformer equipment series >> SZ11, SFZ11 on-load voltage regulator series
SZ11, SFZ11 on-load voltage regulator series


SZ11, SFZ11 on-load voltage regulator series

Overview of SZ11, SFZ11 on-load voltage regulator series

The SZ11 and SFZ11 on-load voltage regulator series meet the national standards GB1094 "Power Transformer" and GB / T6451 "Technical Parameters and Requirements for Three-Phase Oil-immersed Power Transformers". On-load voltage regulation range: 10 ± 4 × 2.5% KV, 35 ± 3 × 2.5% KV, non-excitation voltage regulation range: 10 ± 2 × 2.5% KV, 35 ± 2 × 2.5% KV, which can be reached on the primary side The on-load, non-excitation voltage regulating switch adjusts the voltage manually, electrically or automatically within the voltage regulating range to ensure the stability of the output voltage. The body adopts three positions of upper, middle and lower positions and special anti-loose and anti-vibration measures, so that it is free from hanging core inspection before installation and has anti-vibration function. The fuel tank uses high-quality steel plates, high mechanical strength, and high-quality acrylic products are used for rubber strips and rubber pads. It does not age for long-term operation and effectively prevents the leakage of transformer oil.

SZ11, SFZ11 on-load voltage regulator series model meaning

Technical data of SZ 11 SFZ 11 on-load voltage regulator series (35KV class)

Serial number model Rated Capacity
(KVA)
Rated voltage and tap range Connection group number Impedance voltage Loss (KW) No-load current Weight T Outer dimension (mm)
Length x width x height
Gauge mm
Portrait Landscape
high pressure
(KV)
Low pressure
(KV)
No load load Body weight Oil weight Gross weight
1 SZ 11 -1000/35 1000








35 ± 3
× 2.5%









38.5 ± 3
× 2.5%
6-10.5 Y d11






YN d11
6.5 1.6 12.8 1.1 2.56 1.735 5.14 3120 × 2410 × 2330 1070/1070
2 SZ 11 -1250/35 1250 1.88 15.4 1.1 2.77 1.8 5.4 3170 × 2740 × 2360 1070/1070
3 SZ 11 -1600/35 1600 2.23 18.4 1.0 2.8 1.7 5.9 2970 × 2514 × 2435 1070/1070
4 SZ 11 -2000/35 2000 2.3 19.2 1.0 3.65 2.05 6.8 3200 × 2780 × 2600 1070/1070
5 SZ 11 -2500/35 2500 2.72 20.6 1.0 3.9 2.02 7.7 3180 × 2244 × 2530 1070/1070
6 SZ 11 -3150/35 3150 7



7.5


8
3.23 24.7 0.9 4.2 2.1 8.5 3320 × 3100 × 2615 1070/1070
7 SZ 11 -4000/35 4000 3.87 29.1 0.9 5.1 2.3 9.5 3360 × 3130 × 2780 1070/1070
8 SZ 11 -5000/35 5000 4.64 34.2 0.85 6.4 2.7 11.5 3525 × 3260 × 2830 1070/1070
9 SZ 11 -6300/35 6300 5.63 36.8 0.85 7.0 3.53 14.1 3800 × 3370 × 2924 1070/1070
10 SZ 11 -8000/35 8000 7.87 40.6 0.75 9.12 4.07 17.74 4360 × 3550 × 3260 1475/1475
11 SZ 11 -10000/35 10000 9.28 48.1 0.75 10.92 5.25 19.2 4600 × 3200 × 3500 1475/1475
12 SZ 11 -12500/35 12500 10.94 56.8 0.7 13.63 6.4 24.7 4750 × 3400 × 3450 1475/1475
13 SZ 11 -16000/35 16000 13.2 65.5 0.7 15.25 7.5 29.5 4750 × 3580 × 3650 1475/1475
14 SZ 11 -20000/35 20000 15.6 82.8 0.6 18.86 9.5 34.5 5090 × 3474 × 4142 1475/1475
15 SZ 11 -25000/35 25000 21.28 99.60 0.6 21.23 11.3 37.2 5130 × 3490 × 4260 1475/1475
16 SZ 11 -31500/35 31500 25.28 118.8 0.6 25.56 12.5 42.8 5340 × 4160 × 4385 1475/1475
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