Page 38 - 青岛特变电工有限公司

干式变压器系列
Dry-type transformers series

结构特征 / Structure
R
R
SGB11 系列是采用杜邦 NOMEX 纸为基础的绝缘系统，在变压器的 SGB10 series is the use of paper-based DuPont NOMEX insulation systems,
整个使用寿命期间都保持极佳的电气性能和机械性能。NOMEX 不易 during the entire life of the transformer maintains excellent electrical and
R
R
老化，耐收缩及抗压缩，加上弹力特强，因此可以确保变压器即使使 mechanical properties. NOMEX not aging, resistance to shrinkage and
resistance to compression, coupled with an exceptionally strong elasticity, thus
用数年之后，线圈仍保持结构紧密，并且能够承受短路的压力。 ensuring even for several years after the transformer coil remains compact,
高标准的安全性，无可燃性树脂，无有毒气体，不助燃。 and can withstand the pressure of a short circuit.
单位 kVA 的体积和重量减少 High standards of safety, no flammable resin, no toxic gas, no combustion.
紧急过负载的能力增加 Reducing the size and weight unit kVA
修理、维护方便 Increase the capacity of the emergency overload
Repair, easy to maintain
噪音低 Low noise
对湿度、灰尘、污染不敏感 Humidity, insensitive to dust, pollution
运行无局部放电及永无“龟裂”的可能 Run no partial discharge and never "crack" may
设计灵活，可按客户的要求设计制成所需要的任何规格。 Design flexibility, customers can request the design of any specification made need.

工作条件 / Working conditions

● 安装高度：海拔不超过 1000m； ● Installation Altitude: not exceed 1000m;
● 电源电压的波形：似于正弦波； ● Supply voltage waveform: similar to a sine wave;
● Symmetry multiphase power supply voltage: polyphase transformer
● 多相电源电压的对称性：多相变压器所连接的电源电压应近似对称。
connected supply voltage should be approximately symmetrical.
● 环境温度：
● Ambient temperature:
最高气温 +40℃ ; 最高日平均气温 +30℃；最高年平均气温 +20℃ ; Maximum temperature +40℃ ; the highest daild ave-rage temperature+30℃ ;
最低气温 -30℃ ( 适用于户内式变压器 )。 The highest annual average temperature is+ 20℃ ; minimum temperature of
-30℃ (suitable for indoor type transformer).

技术参数 / Technical Parameter

电压组合及分接范围
额定容量 Range of voltage and tap 联结组标号 空载损耗 负载损耗 空载电流 短路阻抗
Rated capacity 高压 高压分接范围 低压 Vector No-load Load No-load Short circuit
impedance
(kVA) high pressure High pressure Low pressure Group Symbol loss（W） loss (W) current(%) (%)
(kV) tap range(％ ) （kV）
80 340 1750 2.2 4
100 360 2170 2.0 4
125 430 2590 1.8 4
160 490 3100 1.8 4
200 560 3970 1.6 4
250 650 4680 1.6 4
315 6.3 790 5610 1.4 4
6.6
400 ±5% Dyn11 880 6630 1.4 4
10 0.4
500 ±2×2.5% Yyn0 1050 7950 1.4 4
10.5
630 11 1170 9780 1.2 6
800 1370 11560 1.2 6
1000 1590 13350 1.1 6
1250 1880 15640 1.1 6
1600 2210 18110 1.1 6
2000 2990 21250 1.0 6
2500 3600 24740 1.0 6

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