BR-PV-HT 冰雹試驗(yàn)機(jī),Hail Tester
- 公司名稱 上海泊?？茖W(xué)儀器有限公司
- 品牌
- 型號 BR-PV-HT
- 產(chǎn)地 上海泊睿
- 廠商性質(zhì) 生產(chǎn)廠家
- 更新時間 2018/5/14 13:07:32
- 訪問次數(shù) 4450
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穩(wěn)態(tài)模擬器及I-V測試儀,組件戶外測試系統(tǒng),紫外預(yù)處理試驗(yàn)機(jī),引出端強(qiáng)度試驗(yàn)機(jī),濕漏電流測試系統(tǒng),機(jī)械載荷試驗(yàn)機(jī),冰雹撞擊試驗(yàn)機(jī),旁路二極管熱性能測試系統(tǒng),熱斑耐久試驗(yàn)機(jī),EVA交聯(lián)度測試儀
1）標(biāo)準(zhǔn)冰球直徑：25mm系列
2）標(biāo)準(zhǔn)冰球質(zhì)量：7.53g±2
3）標(biāo)準(zhǔn)冰球速度：23.0m/s±2
4）冰雹槍頭自動定位
5）執(zhí)行IEC 61215:2005 & Ed.3、IEC 61646:2008光伏PV組件冰雹試驗(yàn)標(biāo)準(zhǔn).
BR-PV-HT Hail Tester
Implementation of standards: IEC 61215:2005 & Ed.3, IEC 61646:2008
| Diameter mm | Mass g | Test velocity m.s-1 | Diameter mm | Mass g | Test velocity m.s-1 |
| 12.5 15.0 25.0 35.0 | 0.94 1.63 7.53 20.7 | 16.0 17.8 23.0 27.2 | 45.0 55.0 65.0 75.0 | 43.9 80.2 132.0 203.0 | 30.7 33.9 36.7 39.5 |
| From the table, we calculated the square of hail speed by 0.047~0.049 equals hail diameter. Thus we calculate the hail air resistance coefficient. When the hail free fallers accelerated to a certain stag, hail gravity and hail resistance balance final constant speed landing. Based on the above principles, our hail tester is for hail and shells by the pneumatic acceleration. When cartridge from gun, hail with constant speed bumps after components. | |||||
In order to avoid the hail breached, we give the hail added a protective device hail shell, or cartridge. The diameter of hail shell and the gun shell is very consistent. The diameter of it and the shell, very consistent gun size. High-pressure gases in this state promote cartridge directly, so speed control and speed repeatability is better.
Module mounting: >
Speed repeatability （firing success rate）: > 90%
Gun positioning: laser sighting, electric control displacement
Ultra high speed optical fiber measurement system: speed reading
Low temperature test chamber temperature and deviation range:
Electronic balance: maximum weighing range
Gas source or silent air compressor: > 0.3MPa
|
| Standard hail diameter: Standard hail mass: Send speed setting: Speed measure accuray: ±2% Speed windage range: ±5% NOTE: Hail manufacturing temperature |
Pass criteria:
The 11 points before and after ice impact, through EL equipment inspection crack, because cannot pass through visual inspection method.
Vertical firing mode, solved technical problems of the acceleration of gravity of hail and speed deviation.
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