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CNC Electric Group Co., Ltd.

Power Transformer, Voltage Transformer, Transformers manufacturer / supplier in China, offering CNC Sz9/Szf9 Oil Immersed on-Load-Tap-Changing Transformer of 35kv and Below, Distribution Box (YC-XSA), Bus Bar and so on.

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Supplier Homepage Product Power Trasmission And Distribution Equipment CNC Sz9/Szf9 Oil Immersed on-Load-Tap-Changing Transformer of 35kv and Below

CNC Sz9/Szf9 Oil Immersed on-Load-Tap-Changing Transformer of 35kv and Below

FOB Price: Get Latest Price
Min. Order: 1 SET
Production Capacity: 1, 000 PCS/Day
Transport Package: Standard Export Packing
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: SZ9
  • Phase: Three
  • Cooling Method: Oil-immersed Type Transformer
  • Certification: ISO9001-2000
  • Frequency Characteristics: Power Frequency
  • Type: Voltage Transformer
  • Specification: IEC 60076
  • Application: Power, Electronic, Instrument
  • Core: Core-type Transformer
  • Winding Type: Two-winding Transformer
  • Usage: Distribution Transformer
  • Brand: CNC
  • Trademark: CNC, Changcheng
  • Origin: Zhejaing, China
Product Description
Oil Immersed On-load-tap-changing Transformer of 35kv and Below

General:

This product is applied to power system of three-phase, 50Hz as well as 35kv and below. It is the main transformer equipment of medium and small-sized transformer substation; Supplies power distribution, power and illumination for the industry and agriculture.

The company introduces domestic and oversea advanced technique, and adopts the latest material and optimizes design, which enables the product structure more reasonable, and greatly improves the product electric strength, mechanical strength and heat-sinking capability. S9 series product has passed the short-circuit test prepared by Wuhan High voltage Research Institute and also the test prepared by National Center for Quality Supervision & Test of Transformer.

Altitude: ≤ 1000m

Ambient temperature: The highest temperature +40 º C, the highest monthly mean temperature +30º C; The lowest temperature -10º C, the highest yearly mean temperature +20 º C.

Installation environment inclination of installation place: <3° , no obvious dust and corrosive or flammable gas.

Accord to Standards: IEC60076
SZ9 and SFZ9 series three phase on-load-tap-changing transformer of 35kv
Rated power kva Voltage Connection symbol No-load current  (%) Impedence voltage    (%) Loss (kw) Weight (t)
H. V    kv L. V      kv No-load Load Oil  Ovrall weight Oil filling and weight adding Transportation weight
1600   35± 3* 2.5%  38.5± 3* 2.5% 6.3        6.6    10.5      11 Ynd11 0.9 6.5 2.2 18.5 1.8 6.5 0.4 4.9
2000 0.9 6.5 2.9 20.2 2 7 0.6 6.3
2500 0.9 6.5 3.4 22.7 2.2 8.1 0.7 6.9
3150 0.8 7 4.1 26 2.5 9.3 0.7 7.6
4000 0.8 7 1.9 30.7 2.7 11.4 0.8 8.1
5000 0.75 7 5.8 36 3.1 12.9 0.8 10.5
6300 0.75 7.5 7 38.7 3.6 15.4 0.9 13
8000   35± 3* 2.5%  38.5± 3* 2.5% 6.3            10.5        Yd11 0.7 7.5 9.9 43 4.5 17.8 0.9 15.4
10000 0.7 7.5 11.6 50.6 4.6 19.3 1 17.2
12500 0.7 8 13.8 59.9 5.9 24.7 1.2 22.5
16000 0.7 8 16.2 73 6.6 32.5 2 27
20000 0.7 8 19.5 84.6 7.9 36.7 2.1 31
25000 0.7 8 22.5 100.2 8.1 38.5 2.2 33.5
31500 0.6 8 26.4 124 10.5 40.5 2.3 38























SZ9 and SFZ9 series three phase on-load-tap-changing transformer of 10kv
Rated power kva Voltage Connection symbol No-load current  (%) Impedence voltage    (%) Loss (kw) Weight (kg)
H. V    kv L. V      kv No-load Load Oil  Ovrall weight Transportation weight
100   10± 4*2.5% 10.5± 4*2.5% 6.3± 4*2.5% 6± 4*2.5% 0.4 Yyn 360 2500 1.8 4 220 770 770
200 420 3100 1.8 4 325 1250 1250
150 510 3600 1.7 4 350 1320 1320
315 610 4300 1.6 4 390 1430 1430
400 10.5± 4*2.5%  6.3± 4*2.5%      6± 4*2.5% 0.4 Dyn11  Yyn0 730 5200 1.5 4 420 1700 1700
500 870 6210 1.4 4 540 1995 1995
630 1120 7650 1.3 4.5 620 2620 2620
800 1360 9360 1.2 4.5 840 3385 3385
1000 1590 11000 1.1 4.5 905 4200 4200
1250 1870 13050 1 4.5 1040 4750 4750
1600 2390 15570 0.9 4.5 1450 5760 5760
2000   10± 3*2.5% 10.5± 3*2.5% 0.4 Yd11 2850 18600 0.8 6.5 1950 7900 7900
2500 6.3  3.15 3250 21500 0.8 6.5 2270 8600 8600
3150 4100 25300 0.8 6.5 2950 9800 9800
4000 5200 2990 0.7 6.5 3200 10500 7500
5000 5900 34030 0.7 6.5 3660 11600 8810
6300 7200 38500 0.7 6.5 4560 13300 11000
8000 9500 42500 0.7 6.5 5120 16630 13550
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