Comparison of temperature sensitive electrical parameter based methods for junction temperature determination during accelerated aging of power electronics

Wuest, Felix; Trampert, Stefan; Janzen, S.; Straube, Stefan; Schuster, Martin

doi:10.1016/j.microrel.2018.07.124

Cited by 7 publications

(3 citation statements)

References 3 publications

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“…The other approach uses dynamic electrical parameters to estimate T j . Such dynamic parameters include the threshold voltage V th [31], [33], [80]- [83], Miller-plateau voltage V gp [84], turn-on delay time t don [85], maximum current slope of turn-on dI/dt max,on [85], turn-off time t off [85], [86], turn-off delay time t doff [87], the peak value of V EE max during turn-off [88], [89] and the flatband voltage V fb [90]. The following describes the above methods.…”

Section: ) Monitoring the Junction Temperature T Jmentioning

confidence: 99%

Ensuring a Reliable Operation of Two-Level IGBT-Based Power Converters: A Review of Monitoring and Fault-Tolerant Approaches

Liu

Yang

et al. 2020

IEEE Access

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Despite the emerging multi-phase and multi-level converters, two-level insulated gate bipolar transistor-based power converters are still widely used in industrial applications in nowadays. Thus, its reliability is of significant importance for ensuring industrial safety. In this paper, a review of the possibilities to ensure the reliable operation of these power converters is presented. The possible approaches are categorized into two groups: condition monitoring and fault-tolerant control. The former approach performs the monitoring methods of power converters, which enables the identification of device degradation to be realized. Accordingly, the mechanisms, indicators, and measuring methods of degradation are demonstrated in this paper to assist the design of condition-based maintenance. In contrast, the latter approach is a postfault one, where power converters remain the operation by activating the fault-tolerant units after faults are identified. For this approach, fault detection, fault isolation, and tolerant strategies are essential. Finally, the performance and cost-effectiveness of the two categories are discussed in this paper. INDEX TERMS Two-level power converter, reliability, condition Monitoring, fault tolerance, renewable energy application, insulated gate bipolar transistor.

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Section: ) Monitoring the Junction Temperature T Jmentioning

confidence: 99%

Ensuring a Reliable Operation of Two-Level IGBT-Based Power Converters: A Review of Monitoring and Fault-Tolerant Approaches

Liu

Yang

et al. 2020

IEEE Access

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“…The development goals of the online condition monitoring in this paper include: (a) estimation of both the junction temperature (TJ) and the load current (IL) without using temperature sensors and current sensors, because TJ and IL are important parameters that determine the reliability of power devices; and (b) measurement from the gate terminal of a power device that can be integrated into gate driver ICs. Many papers have been published on the estimation of TJ and/or IL (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16) , however, there have been no papers achieving the two development goals. In Ref.…”

Section: Introductionmentioning

confidence: 99%

Estimation of Both Junction Temperature and Load Current of IGBTs from Output Voltage of Gate Driver

2023

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For the online condition monitoring of IGBTs, a new estimation method of both the junction temperature (TJ) and the load current (IL) of IGBTs using a momentary high-Z gate driving (MHZGD) from the output voltage (VOUT) of the gate driver is proposed, which can be integrated into the gate driver ICs. TJ is estimated from VOUT difference during and after the MHZGD period, and IL is estimated from VOUT during MHZGD. In the 110 switching measurements at 11 different TJ's from 25 °C to 125 °C and 10 different IL's from 12.5 A to 80 A for each of the three IGBTs, TJ and IL estimation errors in a low test cost parameter determination method are + 4.9 °C / − 8.4 °C and + 1.1 A / − 4.3 A, respectively. In contrast, TJ and IL estimation errors in a parameter determination method with small error are + 4.9 °C / − 8.1 °C and + 1.0 A / − 1.8 A, respectively.

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“…An AFT tests a DUT with a predetermined time-effect force and obtains data showing the fatigue characteristics of it. However, the existing fatigue model requires stable and fixed operating conditions because these models were established under the AFT results of fixed experimental conditions [4,11,12]. Therefore, the existing model cannot be fully applied to the changing conditions of the actual operating conditions, and this is the actual application of the TC.…”

Section: Introductionmentioning

confidence: 99%

Fault Prediction Model of High-Power Switching Device in Urban Railway Traction Converter with Bi-Directional Fatigue Data and Weighted LSM

et al. 2019

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The switching device is relatively weakest in the traction converter, and this paper aims at the fault prediction of it. Firstly, the mathematical distribution is analyzed based on the results that were obtained in electro thermal simulation and a single-directional accelerated fatigue test. Then, the accelerated fatigue test with bi-directional fatigue current is proposed, the data from which reflects the accelerating effect from FWD on the device aging process. The analytical model of fatigue process is fitted with the data that were obtained in the test. In order to shorten the test time consumption, we propose a weighted least squares method (LSM) to fit the failure data. Finally, the prediction model is presented with the consideration of fatigue signature and Arrhenius temperature factor.

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Comparison of temperature sensitive electrical parameter based methods for junction temperature determination during accelerated aging of power electronics

Cited by 7 publications

References 3 publications

Ensuring a Reliable Operation of Two-Level IGBT-Based Power Converters: A Review of Monitoring and Fault-Tolerant Approaches

Ensuring a Reliable Operation of Two-Level IGBT-Based Power Converters: A Review of Monitoring and Fault-Tolerant Approaches

Estimation of Both Junction Temperature and Load Current of IGBTs from Output Voltage of Gate Driver

Fault Prediction Model of High-Power Switching Device in Urban Railway Traction Converter with Bi-Directional Fatigue Data and Weighted LSM

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