资源描述
中华人民共和国
西安西变中特电气有限责任公司
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
THE PEOPLE’S REPUBLIC OF CHINA
REPORT NO. ZT1710A1828.1SB
SERIAL NO. 2015030225
TYPE SZ11-10000/35
产品试验报告
TEST REPORT OF PRODUCT
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 1/9
Page
目录
CONTENTS
1. 技术参数 2
Specification
2. 保证值、允差及测量值 3
Guaranteed value、tolerance and measured value
3. 试验结论 3
The test conclusion
4. 电压比测量及联结组标号检定 4
Voltage ratio test and check of connection symbol
5. 绕组电阻测量 4
Measurement of winding resistance
6. 绝缘电阻及介损测量 5
Measurement of insulation resistance and tanδ
7. 油箱及储油柜密封试验 5
Oil tank and conservator hermetic test
8. 外施耐压试验 5
Separate source voltage withstand test
9. 空载损耗及空载电流的测量 6
Measurement of no-load loss and no-load current
10. 空载电流谐波分析 7
Harmonic analyze of no-load current
11. 负载损耗及短路阻抗的测量 7
Measurement of load loss and impedance
12. 零序阻抗测量 7
Measurement of zero-sequence impedance
13. 感应耐压试验 8
Induced over voltage withstand test
14. 有载分接开关试验 8
On-load tap changer test
15. 绕组频率响应特性曲线 8
Measurement of transformer winding frequency-response
16. 有载开关过渡电阻及波形 8
Transition resistances and oscillogram of the on-load tap-changer
17. 绝缘油试验 9
Insulation oil test
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 2/9
Page
1. 技术参数
Specification
产品工号 2015030225 技术协议 2015030225JX
Serial No. Agreement
产品型式 SZ11-10000/35 频 率 50Hz
Type Frequency
联结组标号 YNd11 冷却方式 ONAN
Connection symbol Type of cooling
相 数 3 绕组温升 65 K
Number of phase Temp. Rise of winding
油面温升 55K 技术规范 ZT1710A1828.1
Temp. Rise of top oil Technical regulation
绝缘水平 h.v. 线路端子 LI/AC 200/85 kV
Insulation level Line terminal
h.v. 中性点端子 LI/AC 200/85 kV
Neutral terminal
l.v. 线路端子 LI/AC 75/35 kV
Line terminal
绕组额定值
Rating value of winding
绕组
Winding
h.v.
l.v.
容量(MVA)
Rated power
10
10
电压(kV)
Voltage
35
10.5
分接(%)
Tapping
±3×2.5
--
电流(A)
Current
165.0
549.9
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 3/9
Page
2. 保证值 实测值 允差
Guaranteed value Measured value Tolerance
项 目
Item
保证值
Guaranteed value
允差(%)
Tolerance
实测值
Measured value
1
空载损耗(kW)
No load loss
10
+0
9.32
2
空载电流(%)
No load current
0.6
+0
0.18
3
负载损耗(kW)
Load loss
47
+0
46.21
4
总损耗(kW)
Total loss
57
+0
55.53
5
阻抗电压(%)
Impedance voltage
7.5
±5
7.38
3. 试验结论
The test conclusion
本产品依据中华人民共和国标准(GB)、西安西变中特电气有限责任公司技术条件以
及用户技术协议进行试验。
试验结果符合以上标准、技术条件、技术协议,试验合格。
Tests are performed in accordance with THE PEOPLE’S REPUBLIC OF CHINA NATIONAL’S STANDARD(GB)、the technical requirements of the client and. XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD specification.
The test results meet or exceed all requirements.
试 验 杨坤、桂晓伟
TEST BY
编 制 刘海伟
WRITTEN BY
校 核
CHECKED BY
审 查
CERTIFIED BY
日 期 2015-12-17
DATE
西安西变中特电气有限责任公司
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 4/9
Page
4. 电压比测量及联结组标号检定
Voltage ratio test and check of connection symbol
高压对低压 联结组标号:YNd11
h.v./ l.v. Connection symbol
分接
Tap
电压比计算值
Calculator ratio
电压比实测偏差(%)
Measured ratio error
标准允许偏差
Tolerance
AB/ab
BC/bc
CA/ca
1
3.583
-0.08
-0.09
-0.08
额定档≤±0.5%
Rated tap
2
3.500
-0.01
-0.02
-0.01
3
3.417
0.09
0.09
0.09
4
3.333
-0.05
-0.05
-0.04
5
3.250
0.05
0.05
0.05
6
3.167
0.16
0.16
0.16
7
3.083
0.01
-0.01
0.01
5. 绕组电阻测量 单 位:mΩ 油 温: 18.9 ℃
Measurement of winding resistance Unit Oil temperature
高压绕组
h.v. winding
低压绕组
l.v. winding
分接
Tap
OA
OB
OC
ab
bc
ca
1
252.3
253.6
254.4
35.58
35.60
35.66
2
243.4
244.7
245.2
电阻不平衡率:线≤1 % 相≤2 %
Unbalance ratio among the three phase’s resistance.
结果: 合格
Results OK
3
234.5
235.7
236.4
4
223.0
223.7
223.9
5
233.6
234.8
235.5
6
242.4
243.7
244.4
7
252.3
253.6
254.3
附套管编号
No. of bushing
A
B
C
O
a
b
c
1520355
1520353
1520359
1520356
1520499
1520498
1520500
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 5/9
Page
6. 绝缘电阻及介损测量 油 温: 18.9 ℃ 湿度:14%
Measurement of insulation resistance and tanδ Oil temp. R.H.
被试绕组
Measured winding
R15sec
(MΩ)
R60sec
(MΩ)
R60sec/ R15sec
tanδ
(%)
Cx
(nF)
高压对低压及地
h.v./ l.v. and ground
10000
14000
1.40
0.192
5.700
低压对高压及地
l.v./ h.v. and ground
8000
11000
1.38
0.226
9.381
高压及低压对地
h.v. and l.v./ground
9000
12000
1.33
0.235
6.356
高压对低压
h.v. /l.v.
--
--
--
0.207
4.357
绝缘电阻测试用 5000V 兆欧表
Measurement of insulation resistance with DC5000V megger
介质损耗因素 (tanδ) 在 10kV AC 电压下用2618H电桥测试。
Measurement of tanδ with 2618H bridge under AC 10kV
7. 油箱及储油柜密封试验
Oil tank and conservator hermetic test
变压器油箱及储油柜注满油,在油箱及储油柜的最高油面施加 30 kPa 的静压力,试验时间持续 24 小时。油箱及储油柜不得有渗漏。
试验结果: 合格
The transformer tank and conservator oil-filled which withstand pressure 30 kPa for 24 hours, during the time no oil leakage.
The test result is OK.
8. 外施耐压试验
Separate source voltage withstand test
在被试绕组对地之间施加50Hz 交流电源,持续时间60秒。
Apply AC power voltage between tested winding and the ground, 60 seconds ,other windings grounded.
被试绕组
Tested winding
试验电压(kV)
Testing voltage
频率(Hz)
Frequency
持续时间(s)
Duration
试验结果
Results
高压对低压及地
h.v. winding
85
50
60
通 过
OK
低压对高压及地
l.v. winding
35
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 6/9
Page
9. 空载损耗及空载电流的测量 频 率: 50 Hz
Measurement of no-load loss and no-load current Frequency
变压器以额定频率在低压侧三相励磁,其他绕组开路。
The transformer’s L.V. side is energized with rated frequency, others are free.
励磁电压(kV)
Excited voltage
励磁电流(A)
Exciting current
功 率
(kW)
Loss
空载损耗
(kW)
No-load
loss
空载电流
(%)
No-load
current
U/Ur
(%)
平均值
Average value
有效值
r.m.s
Ia
Ib
Ic
3.6
0.39063
0.39117
0.0265
0.0266
0.0370
0.01505
--
--
10
1.0539
1.0548
0.0579
0.0592
0.0819
0.09755
--
--
50
5.2590
5.2641
0.2289
0.2334
0.3224
2.1133
--
--
70
7.3602
7.3678
0.3249
0.3081
0.4381
4.0393
--
--
90
9.4661
9.4800
0.5789
0.4288
0.6794
7.0778
--
--
100
10.500
10.522
1.0546
0.8171
1.1369
9.3348
9.32
0.18
105
11.026
11.059
1.6035
1.3186
1.7539
11.111
--
--
110
11.550
11.628
3.181
2.7806
3.5920
14.245
--
--
115
12.046
12.340
11.725
10.931
12.488
20.283
--
--
感应前空载
100
10.500
10.546
1.0474
0.8305
1.1227
9.3579
9.32
0.18
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 7/9
Page
10. 空载电流谐波分析
Harmonic analyze of no-load current
励磁电压1.0额定电压
Energized with 1.0 rated voltage
次数
Series
I1=1.007A
(%H01)
I2=0.7452A
(%H01)
I3=1.077A
(%H01)
次数
Series
I1=1.007A
(%H01)
I2=0.7452A
(%H01)
I3=1.077A
(%H01)
1
100
100
100
6
0.280
1.283
0.649
2
2.366
2.302
1.288
7
11.567
17.458
14.208
3
11.268
14.953
6.281
8
0.084
0.220
0.127
4
1.327
1.485
0.753
9
2.390
2.200
1.055
5
26.534
38.866
30.304
--
11. 负载损耗及短路阻抗的测量 频 率: 50Hz
Measurement of load loss and impedance Frequency
接线方式
Connection
测试值 油温:18.9 ℃
Measured value
按额定容量折至75℃
Corrected value at 75℃
加压绕组
Applied
短路绕组
Shorted
分接
Tap
电压(kV)
Voltage
电流(A)
Current
功率(kW)
Loss
负载损耗
(kW)
Load loss
阻抗电压
(%)
Impedance volt
高压
h.v.
低压
l.v.
1
1.5088
80.67
10.975
46.18
7.63
4
1.4187
90.67
11.938
46.21
7.38
0.093377
5.989
0.0509
--
--
7
1.3211
100.60
14.416
53.29
7.24
12. 零序阻抗测量
Measurement of zero-sequence impedance
加压绕组
Applied
winding
加压方式
Mode of
applied
测量值
Measured value
电压(V)
Voltage
电流(A)
Current
零序阻抗(Ω/相)
Z.S. impedance(Ω/phase)
h.v.
(第4档)
O—ABC
105.93
40.169
7.91
147.11
55.354
7.97
188.25
70.485
8.01
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号:2015030225
Serial No.
页数: 8/9
Page
13. 感应耐压试验
Induced over voltage withstand test
使用200Hz 电源, 三相进行, 持续时间30秒。
The induced over voltage withstand test will be carried out with 200Hz power for 30 seconds on three phases.
施加电压(kV)
Exciting voltage
低压侧(l.v.)
线端感应电压(kV)
Induced terminal voltage
感应倍数
Induced times
分接位置
Tap position
21
70
2
4
试验结果: 合格
Results Satisfactory
14. 有载分接开关试验
On-load tap changer test
14.1有载分接开关操作试验
Operation test of on-load tap changer
1)变压器不励磁,分接开关完成8个操作循环。
2)变压器不励磁,在85%的额定操作电压下完成一个操作循环。
3)变压器在额定频率和额定电压下,空载励磁时,完成一个操作循环。
4)将一个绕组短路,并在负载试验时,在粗调选择器或极性选择器操作位置处,或
在中间分接每一侧的两个分接范围内,共完成10次分接变换操作。
1) With the transformer un-energized, eight complete cycles of operation.
2) With the transformer un-energized, and with the auxiliary voltage reduced to 85﹪ of its
rated value, one complete cycle of operation.
3) With the transformer energized at rated voltage and frequency at no-load, one completed
cycle of operation.
4) With one winding short-circuited and on measurement of load loss, 10 tap-change operation
across the range of two steps on each side from where a coarse or reversing changeover
selector operates, or otherwise from the middle tapping.
14.2辅助线路绝缘试验
Auxiliary circuits insulation test
完成装配后, 对分接开关辅助线路进行一分钟工频耐压试验, 试验电压2kV。
After the tap-changer is assembled on the transformer,a power frequency test voltage applied
to the auxiliary circuits is 2kV rms. For one minute.
试验结果: 合格
Results OK
15. 绕组频率响应特性曲线(见附页A1~A2)
Measurement of transformer winding frequency-response (Appendix A1~A2)
16. 有载开关过渡电阻及波形(见附页B1~B2)
Transition resistances and oscillogram of the on-load tap-changer(Appendix B1~B2)
西安西变中特电气有限责任公司产品试验报告
XI’AN XIBIAN ZHONGTE ELECTRIC CO., LTD.
TEST REPORT
产品工号: 2015030225
Serial No.
页数: 9/9
Page
17. 绝缘油试验
Insulation oil test
油击穿电压 69.5 kV/2.5mm
Breakdown voltage
运动粘度 10.129 mm/S
Viscosity(40℃)
酸值 0.006 mgKOH/g
Acidity
闪点 146.0 ℃
Flash point
介质损失角 0.000499
tanδ (90℃)
变压器绝缘油气相色谱分析
Gas chromatography analysis
气体组份
Gas composition
含量(μL/L)
Content
试验前
Before test
试验后
After test
氢 气 H2
6.87
6.55
一氧化碳 CO
9.24
9.60
二氧化碳 CO2
140.29
137.70
甲 烷 CH4
0.43
0.41
乙 烷 C2H6
0
0
乙 烯 C2H4
0
0
乙 炔 C2H2
0
0
烃类气体含量 C1+C2
0.43
0.41
试验结果 合格
Results OK
Order
I1=2.631E+0AH01
I2=1.992E+0AH01
I3=3.130E+0AH01
I[%H01]φi01[o]
I[%H01]φi01[o]
I[%H01]φi01[o]
1
100
100
100
2
3.216
5.324
3.273
3
15.094
19.528
7.947
4
2.266
3.544
1.831
5
25.517
36.840
27.120
6
1.351
1.503
2.066
7
11.683
18.970
13.440
8
0.550
0.511
0.612
9
2.401
1.314
1.522
10
0.129
0.137
0.059
11
1.098
0.696
0.593
12
0.006
0.066
0.058
13
0.543
0.643
0.205
14
0.066
0.116
0.090
15
0.514
0.289
0.293
16
0.020
0.188
0.127
17
0.537
1.019
0.305
18
0.019
0.120
0.072
19
0.142
0.720
0.427
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