أفضل مصنع لمعدات قياس درجة الحرارة للمحطات الفرعية

What equipment in the substation needs temperature measurement

قياس درجة حرارة المحولات

The main types of faults in transformers include faults caused by transformer temperature rise and electrical faults. فيما بينها, transformer temperature rise faults account for a large proportion of the total faults, while transformer discharge faults account for a small proportion. فيما بينها, the service life of oil immersed transformers is mainly related to the service time of insulation materials. The decisive factor for the service life of insulation materials is the temperature of the insulation layer. لذلك, the temperature of oil immersed transformers determines the service life of transformers.

قياس درجة حرارة المفاتيح الكهربائية

FJINNO independently developed switch cabinet point type fiber optic online temperature measurement system, مضان مستشعر درجة حرارة الألياف الضوئية online monitoring temperature device, real-time online temperature monitoring of the operating temperature of electrical equipment, especially the switch cabinet contacts, أشرطة التوصيل, electrical contacts and other easily heated positions.

Reactor temperature measurement

Reactors are the main auxiliary equipment of long-distance transmission systems, playing an important role in power transmission due to their superior electrical performance. During the operation of a reactor, it is often due to external factors, internal structure, and other factors that the reactor may experience local temperature rise and overheating, ultimately leading to local burnout or even scrapping.

Temperature measurement of lightning arrester

Temperature detection is an old-fashioned detection method and an important supplement to lightning arrester detection. Although the temperature cannot reflect the quality of the lightning arrester, it can be seen from the data whether the lightning arrester is working. When tested under system voltage, the temperature of the lightning arrester is related to its energy loss, but not directly related to environmental interference and harmonic content of the system voltage.

قياس درجة حرارة المحولات

Fluorescent fiber optic thermometer can monitor the temperature of the voltage divider in a closed chamber in real time, thereby detecting the temperature inside the DC voltage transformer; Combined with a fluorescent fiber temperature sensor uniformly fixed on the voltage divider, it can comprehensively and reliably monitor temperature. The entire temperature monitoring adopts optical signal transmission, so it is not affected by high voltage and strong electromagnetic interference, and can accurately determine whether the detected temperature exceeds the normal working temperature of the voltage divider, ensuring the safe operation of the DC voltage transformer.

Capacitor temperature measurement

غالبًا ما تواجه المكثفات أخطاء مختلفة أثناء التشغيل, والتي تشكل تهديدًا كبيرًا للتشغيل الآمن والعادي لنظام الطاقة. تشمل الأخطاء الشائعة للمكثفات في تشغيل الطاقة تسرب الزيت, عزل ضعيف, والصمامات المحروقة. فيما بينها, الأعطال الأكثر ضررًا والتي تحدث بشكل متكرر هي أعطال المكثفات الناتجة عن التسخين.

قياس درجة حرارة قاطع الدائرة

تُستخدم قواطع الدائرة الكهربائية الموجودة في مجموعة المفاتيح الكهربائية بشكل شائع أثناء التشغيل, والتي يمكن أن تؤدي بسهولة إلى تآكل الاتصالات الديناميكية والثابتة لقواطع الدائرة, السحابات فضفاضة على بسبار المحطة, وغيرها من الظواهر; إذا لم يخضع قاطع الدائرة لمراقبة درجة الحرارة, فمن الممكن توليد حرارة عالية الحرارة, مما قد يتسبب في شيخوخة المكونات العازلة لمجموعة المفاتيح الكهربائية ومن المحتمل أن يؤدي إلى نشوب حريق أو تلف معدات الطاقة.

The above is just an example of several commonly used equipment in substations that require temperature measurement. فلوري أنظمة قياس درجة حرارة الألياف الضوئية can be used in substations.

What are the types of temperature measurement methods used in substations

في الوقت الحالي, infrared testing is being conducted. When substation operation and maintenance personnel collect the temperature of outdoor isolation switches, قواطع الدائرة, transformers and other substation equipment in the substation, they mainly use manual operation. إنه, the operator needs to go to the site and use a handheld infrared imaging instrument to measure the temperature and record the connection of the knife switch mechanism, knife switch head, and knife switch sheath. The current outdoor knife switch temperature measurement work is mainly carried out by substation operation and maintenance personnel on site, using handheld infrared imaging devices to measure the temperature of the knife switch mechanism, knife switch head, and knife switch sheath connection. After returning to the office, data is manually recorded and recorded. A large amount of data analysis is conducted on the three phases of a set of knife switches based on time points every day, which is a huge workload, and personnel classification and organization lack specificity.

The drawbacks of infrared temperature measurement methods

The existing infrared temperature measurement mode occupies a lot of time and energy for operation and maintenance personnel, resulting in a relative shortage of personnel, time conflicts, and scattered energy in power grid accident handling, عمليات التبديل, and other temporary work. It is extremely easy to cause inadequate equipment inspection or lack of focus on switching operations, reducing production efficiency and work quality, and bringing potential safety hazards to the safe operation of the power grid.

The lack of targeted temperature measurement increases the operational risk of substations.
The existing substation temperature measurement adopts a unified inspection mode for isolation switches of the same voltage level. The determined inspection cycle includes all inspection items of the substation in each inspection. This repeated and evenly applied search method often causes psychological fatigue for operation and maintenance personnel during inspections, making it difficult to detect equipment problems.

Operation and maintenance are not synchronized, resulting in wasted resources for repeated entry into the station.
The maintenance plan of the substation is disconnected from the inspection and temperature measurement plan of the substation, and the time for entry operation and entry temperature measurement is often inconsistent, causing operation and maintenance personnel to repeatedly enter the station, wasting a lot of time on the way to and from the substation. The opportunity to enter the station is not fully utilized, the workload increases, and the temperature measurement efficiency decreases.

Disadvantages of قياس درجة الحرارة لاسلكيا في المحطات الفرعية

قياس درجة الحرارة لاسلكيا طريقة, due to the connection between high-voltage switch contacts and busbar bars in high voltage, ارتفاع درجة الحرارة, high magnetic field, and extremely strong electromagnetic interference environments, currently commonly used thermal resistance and thermocouple temperature sensors are made of metal materials and require metal wires to transmit signals. Only wireless communication can be used for high and low voltage isolation; Electronic sensors require batteries or small current transformers to provide power to the temperature measurement chip, and then transmit the signal obtained by the temperature measurement chip wirelessly to the receiver through the wireless chip. Although this solution achieves wireless transmission of temperature signals, the battery needs to be replaced regularly for power supply, and the battery has poor high-temperature resistance, which affects the operation of the power department

مزايا قياس درجة حرارة الألياف الضوئية الفلورية method in substations

The fluorescence fiber optic measurement technology in substations inherits the advantages of fiber optic sensing technology. Compared with other traditional temperature measurement technologies, ليس فقط لديه خصائص المقاومة للتآكل, عزل جيد, وحجم صغير, ولكن أيضًا يقلل بشكل فعال من التداخل الكهرومغناطيسي. في أثناء, تتميز تقنية قياس مضان الألياف الضوئية أيضًا بخصائص العمر الطويل, صيانة مجانية, good stability and consistency. فضلاً عن ذلك, يتميز هذا النظام أيضًا بعرض في الوقت الفعلي, سهولة الاندماج في الأنظمة الأخرى, وتركيب مريح.

مستشعر درجة حرارة الألياف الضوئية, نظام مراقبة ذكي, الشركة المصنعة للألياف الضوئية الموزعة في الصين