山东兄弟变压器有限公司
联 系 人：赵经理
联系电话：0635－8252177
手 机：13306350610
传 真：0635-8252188
邮 编：252000
网 址：http//www.xdbyq.com
Email ：xdbyq@126.com
详细地址：山东省聊城市新南环路166号
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Distribution Transformer 315 kVA |
Unit |
Guaranteed value |
Guaranteed |
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General |
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Manufacturer |
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Xinda International |
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Country of manufacture |
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Manufacturer Designation |
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Kind of installation安装方式 |
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outdoor pole mounted |
outdoor pole mounted |
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Standards标准 |
|
IEC 60076 |
IEC 60076 |
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Single- or three-phase unit相数 |
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three-phase |
three-phase三相 |
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Type of core铁心类型 |
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core type |
core type铁心式 |
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Type of tank油箱类型 |
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hermetically sealed |
hermetically sealed密封地 |
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Number of windings绕组数 |
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two |
Two两 |
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Specification of oil (general)油规格 |
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IEC 60296 (03) |
IEC 60296 (03) |
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Ratings等级 |
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Rated power额定功率 |
kVA |
315 |
315 |
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Ambient temperature (max.)环境温度（最大） |
°C |
45 |
45 |
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Maximum service altitude 工作点最高海拔 |
m |
3000 |
3000 |
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Temperature rise limit 温升限制 - oil / top顶油 - windings / average 平均绕组 - windings hot spot 绕组热斑 |
K K K |
55 60 70 |
55 60 70 |
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Rated voltages (no-load): 额定电压（空载） - primary UN1 一次 - secondary UN2 二次 |
kV kV |
15 0.4 |
15 0.4 |
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Rated frequency 额定频率 |
Hz |
50 |
50 |
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Permissible load of neutral point 中性点可允许的负载 |
% |
100 |
100 |
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Vector group symbol 向量组符号 |
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Dyn11 |
Dyn11 |
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Impedance voltage at rated power 额定功率时阻抗电压 |
% |
4 |
4 |
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Magnetic flux density (UN1, 50 Hz) 磁通密度(一次侧，50HZ) |
Tesla |
max. 1.7 |
1.66 |
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No-load losses 空载损耗 |
kW |
|
0.578 |
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Load losses负载损耗 |
kW |
|
4.530 |
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Tapping range 分接范围 |
± % |
5 |
5 |
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Number of steps 级数 |
± steps |
3 |
3 |
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Continuous power at all taps 不同级数时功率连续 |
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yes |
yes |
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Principal tapping 主要分接电压 |
kV |
15 |
15 |
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Minimum Creepage distance 最小爬电距离 |
mm |
>720 |
>720 |
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Insulation Level / Primary winding, bushings 绝缘等级/一次绕组，套管 - Power frequency withstand 工频耐压 - Lightning impulse level 闪络脉冲等级 |
kV kV |
38 95 |
38 95 |
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Insulation Level / Secondary winding, bushings绝缘等级/二次绕组，套管 - Power frequency withstand voltage工频耐压 - Lightning impulse level闪络脉冲等级 |
kV kV |
8 24 |
8 24 |
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Tests测试 |
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Routine tests: IEC 60076 and Specifications常规实验 |
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on each unit |
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Separate source over-voltage withstand test不同来源过压耐受测试 - Primary一次 - Secondary二次 |
kV kV |
on each unit 50 8 |
50 8 |
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Induced overvoltage withstand test, 感应过压耐受测试 - test voltage / primary 测试电压/一次 - test voltage / secondary 测试电压/二次 |
kV kV |
on each unit 38 0.8 |
38 0.8 |
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Operation Details |
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Cooling method 冷却方式 |
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ONAN |
ONAN |
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Noise level at a measuring distance of 0.3 m 距离0.3m噪声等级 |
dB(A) |
<48 |
<48 |
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Masses, Measures and Drawings |
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Transformer total mass 变压器毛重 |
kg |
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See the drawing |
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Overall dimensions including bushings:尺寸 - height高 - depth深 - width宽 |
mm mm mm |
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See the drawing |
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Descriptions 描述 - drawing of dimensions - pamphlet |
No. No. |
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See the drawing |
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