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首頁> 外文會(huì)議>IEEE Workshop on Electrical Machines Design, Control and Diagnosis >DC-link sensor Fault Detection and isolation for railway traction electric drives
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DC-link sensor Fault Detection and isolation for railway traction electric drives

機(jī)譯：直流鏈傳感器鐵路牽引電力驅(qū)動(dòng)器的故障檢測與隔離

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This article presents the design and the implementation of a fault detection and isolation strategy for sensors in variable speed drives. Electric drives use several current and voltage sensors for control and protection. The principal objective of the strategy is to detect faults in DC-Link sensors, since the conclusion of a preliminary study showed that in some applications many functionalities in the control strategy depend on it. Although it was mainly designed for DC-Link sensors, thanks to the FDI structure presented here, the algorithm is able to detect faults in other sensors. The strategy is based on state observers and has been validated through real time simulations in a Hardware-in-the-Loop platform. The principal components of the platform are an OPAL-RT real time simulator and a commercial traction control unit.
機(jī)譯：本文介紹了變速驅(qū)動(dòng)器中傳感器的故障檢測和隔離策略的設(shè)計(jì)和實(shí)現(xiàn)。電驅(qū)動(dòng)器使用多個(gè)電流和電壓傳感器進(jìn)行控制和保護(hù)。該策略的主要目標(biāo)是檢測DC-Link傳感器中的故障，因?yàn)槌醪窖芯康慕Y(jié)論表明，在某些應(yīng)用中，控制策略中的許多功能都依賴于此。盡管它主要是為DC-Link傳感器設(shè)計(jì)的，但是由于這里提供的FDI結(jié)構(gòu)，該算法能夠檢測其他傳感器中的故障。該策略基于狀態(tài)觀察器，并且已經(jīng)在“硬件在環(huán)”平臺(tái)中通過實(shí)時(shí)仿真進(jìn)行了驗(yàn)證。該平臺(tái)的主要組件是OPAL-RT實(shí)時(shí)模擬器和商用牽引力控制單元。

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