Every EV traction inverter requires a DC link active discharge as a safety-critical function. The discharge circuit is required to discharge the energy in the DC link capacitor under the following conditions and requirements: Power transistor on, off control using the TPSI3050-Q1.
Abstract: when an Electrical Vehicle (EV) encounters an accident or the vehicle is taken to a service station, the DC-link capacitor in the inverter must be discharged to ensure safety of both the passengers and the operator.
To control the voltage so that the voltage does not exceed 50 V (touch safe), the auxiliary power supply has to turn on and power up safety-relevant circuits that can discharge the DC link caps (active discharge) or actively short circuit the motor. Every EV traction inverter requires a DC link active discharge as a safety-critical function.
Figure 1. Simplified Block Diagram of a Traction Inverter The DC-Link capacitor is a part of every traction inverter and is positioned in parallel with the high-voltage battery and the power stage (see Figure 1). The DC-Link capacitor has several functions, such as to help smooth voltage ripples, filtering unwanted harmonics and reducing noise.
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The DC-Link capacitor is a part of every traction inverter and is positioned in parallel with the high-voltage battery and the power stage (see Figure 1). The DC-Link …
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Dhineshkumar, K., Vengadachalam, N., Muthusamy, S. et al. Integrated MPPT and bidirectional DC DC converter with reduced switch multilevel inverters for electric vehicles …
In this paper, a novel five-level inverter based on DC power-capacitor series charge-discharge switching strategy is proposed. By analysing its topology and circuit simulation, the following …
Explore SAE International''s article on DC-link capacitor active discharge and IGBT weak short circuit for mobility solutions and knowledge advancement.
Zooming in to the traction inverter system reveals multiple blocks including the power management IC (PMIC) and the microcontroller (MCU), the high-power IGBT or SiC …
when an Electrical Vehicle (EV) encounters an accident or the vehicle is taken to a service station, the DC-link capacitor in the inverter must be discharged to ensure safety of …
The UCC142140-Q1 integrates a high-efficiency, low-emissions isolated DC/DC converter for powering the gate drive of SiC or IGBT power devices in traction inverter motor …
Fig. 10-9 shows the block diagram of a typical power drive system. In this figure, AC power source is rectified into DC by rectifier diodes and then reversely converted into AC by switching at …
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Built on our all-compatible drive architecture these inverter modules are designed to fulfil all your requirements for a common DC bus drive system.
A DC-Link Hybrid Active Discharge Scheme for Traction Inverters October 2024 Conference: ECCCE Europe 2024 At: Darmstadt, Germany Authors:
L9502 Single isolated Gate Driver (6kv) for Traction inverter with protection, diagnostics and communication Designed for ISO 26262 compliance
An MCU with fast control loop enables the use of high-speed, lighter motor, and powertrain integration such as an inverter integrated with DC-DC converters. Efficiency – …
Enabling Smarter DC Link Discharge in EV Traction Inverters By using an integrated gate driver for DC link discharging, you can shrink …
Enabling Smarter DC Link Discharge in EV Traction Inverters By using an integrated gate driver for DC link discharging, you can shrink BOM costs, save PCB space, …
A DC-Link Hybrid Active Discharge Scheme for Traction Inverters October 2024 Conference: ECCCE Europe 2024 At: Darmstadt, …
1. Concept and Necessity of Reverse Power Protection Reverse power protection refers to measures taken in energy storage or renewable energy generation systems to prevent …
The Power Inverter Module (PIM) enablement software kit executes on the MPC5775E1 MCU, which enables user-supplied motor control application software to control …
Increasing vehicle electrification has opened a niche for power supplies, such as DC-DC converters and inverter modules, which are not in most ICE vehicles.
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