| 光声光谱技术在电厂变压器在线监测中的应用 |
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| 引用本文：曾 毅1，李志军2,严新荣3，冯英岭2，宗起振2，吴 淼4.光声光谱技术在电厂变压器在线监测中的应用[J].计算技术与自动化,2017,(4):60-63 |
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| 中文摘要:发电厂作为智能电网的起点，其安全运行的重要性不言而喻，而发电厂中变压器作为发电输电的关键设备，需要长期高负荷运行，一旦发生故障会对电厂的经济效益和社会生产造成巨大影响。光声光谱技术作为一种新的变压器油中溶解气体在线监测技术，相较于传统的气相色谱法有着诸多优势：测量精度高、检测时间短、长期稳定性好、无需载气结构简单、多种气体同时在线监测、显著减少维护成本等。由此可见，光声光谱法更加适用于变压器油中气体在线监测，能够对变压器状况做到实时监测，对典型故障作出预警，增加变压器的安全性和可靠性。实际应用结果表明,具有及其广阔的推广应用前景。 |
| 中文关键词:光声光谱 在线监测 溶解气体分析 DFB 有源光声池 |
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| Photoacoustic Spectroscopy Applyed to Transformer On-line Monitoring in Power Plant |
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| Abstract:Power plant as the starting point of the smart grid，the safe operation is the importance of self-evident，the transformer in power plants as the key part of power transmission equipment，had been worked in high load for a long time，In the event of failure,it will make huge impact economic to power plant and social production.Photoacoustic spectroscopy as a new kind of dissolved gas in transformer oil online monitoring technology，compared with the traditional gas chromatography has many advantages: high accuracy，short test time，good stability with long-term，no need carrier of simple structure，kinds of gas monitored on-line at the same time，reduced the maintenance costs significantly，etc.Photoacoustic spectroscopy，therefore，is more suitable for gas in transformer oil on-line monitoring，will achieve real-time monitoring of transformer condition and the typical fault warning.The practical results show that，it has the broad application prospect. |
| keywords:photoacoustic spectroscopy on-line monitoring dissolved gas analysis DFB active photoacoustic cell |
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