どちらが良いか, wireless temperature measurement or distributed fiber optic temperature sensor for substations-INNO

変電所は、電圧を変換する電力システム内の電力設備です。, 電気エネルギーを受け取って分配する, 電気の流れを制御する, そして電圧を調整します. 非常に重要なエネルギー変換基地として, 変電所で火災やその他の電力事故が発生した場合, 大規模停電は避けられない, 企業の生産や国民生活に重大な影響と損失をもたらす. そこで, 変電所の安全性と信頼性を確保し、火災を回避することが重要です. その中で, 機器の過熱は、変電所の火災につながる可能性のある重要な隠れた危険です. 変電所の高電圧開閉装置の動的接点および静的接点、その他の接続部での過熱, ケーブルジョイント, ケーブル接続, 高圧ケーブルの部分放電は大規模事故の主な隠れた危険である. さらに, これらの場所では、電圧が数千ボルト、場合によっては数万ボルトになることがよくあります。, オペレーターが立ち入って調査することは安全上大きな危険をもたらす.

Characteristics and Disadvantages of ワイヤレス温度測定 System in Substation

ワイヤレス温度センサー, wireless centralized receiver, 変電所監視, centralized control station, remote monitoring center, the wireless temperature sensor is connected to the wireless centralized receiver through wireless communication; The wireless centralized receiver is connected to the substation monitoring through wired communication; Substation monitoring and centralized control station connection; Connection between remote monitoring center and centralized control station; The substation monitoring configuration is equipped with a GSM network that can trigger temperature anomaly alarm information to be sent to the relevant staff’s mobile phones; The remote monitoring center, centralized control station, and substation monitoring are each equipped with temperature monitoring display devices, which monitor the temperature of the substation equipment in real time. The substation monitoring has a preset temperature threshold, which can compare the received temperature data with the preset threshold and send abnormal alarm information to the relevant staff’s mobile phones to passively set a temperature threshold. It cannot set multi-level alarms according to the specific environment. If there are significant differences in the basic temperature of multiple points in the substation, the system is prone to misjudgment, and even a large fire may occur when the alarm is triggered. Unable to accurately locate the location of the accident point, can only determine the fire alarm area, and cannot reflect the real-time temperature situation.

の利点 分散型光ファイバー温度測定システム in Substation

Due to its ability to achieve distributed continuous monitoring of temperature along the fiber optic cable, and its advantages such as small size, 軽量, 良好な電気絶縁性, 耐化学腐食性, 高温耐性, 高感度, 迅速な対応, 防爆, 難燃性, 低コスト, 電磁干渉に対する耐性, 分散型光ファイバー temperature sensors have been widely used in pipeline leak detection, dam infiltration, 電力システムの監視, fire warning, and medical treatment.

FJINNO provides an 光ファイバー温度測定システム for substation temperature monitoring. By using distributed optical fiber temperature testing based on Raman scattering temperature measurement technology, temperature anomalies can be accurately and timely located on one optical fiber; 同時に, the system is equipped with multi-level temperature alarm values and temperature rise rate alarms, displaying temperature distribution curves in real time, and providing early warning before a fire occurs. This solves the problem that existing temperature measurement systems can only passively set a temperature threshold, which is prone to misjudgment and cannot accurately locate the location of the accident point. 目下, there are many studies on distributed fiber optic temperature measurement technology based on Raman scattering at home and abroad. The technical basis for achieving distributed measurement of temperature along the fiber optic cable is the Raman scattering and optical time domain reflection technology generated when light propagates in the fiber optic cable. When light undergoes Raman scattering in the fiber optic cable, its scattered light intensity is related to temperature, so intensity modulation technology can be used to measure the temperature along the fiber optic cable; By using optical time domain reflection technology, the demodulation of the position information of the measured temperature point can be achieved, thus completing the distributed measurement of temperature along the fiber optic cable.