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21 Threads found on edaboard.com: Igbt Test Circuit
Hello everyone, Currently I am studying the switching characteristics of igbt using Pspice simulation. I downloaded the spice model from manufacturer's website (for example, Infineon and International Rectifier) and used the same dynamic test circuit recommended by the product datasheet. I found many simulation results for switching loss (...)
Has any one tried simulating igbt with PSpice for accurate power loss and switching characteristics under HARD switching conditions? How accurate the simulation results are?
oh, thanks for ur remind. as to the desaturation diode, i have connected it to the igbt.
I didn't connect the COM to ground because I'll use a Neutral-Point-Clamped arm and I don't want to make a connection between the four igbt emitter. The ground connection is required. Please consult the IR2110 application notes about permitted voltage differences between pins. Besides the required DC path between COM and VSS, t
Hi all, I need info on how to test igbt. Can it be tested without being removed from PCB? Rgds
You can test the igbt by multimeter at the Diode test position. Emetor Collektor must be open circuit at the two direction (If you see reverse diod this is not problem). Gate Emetor must be open circuit. If you see any short circuit at the any two pin igbt is (...)
I have igbt module BSM15GD60DLC. It is installed in 3-phase VSD and I suspect that one output phase is faulty. Does anyone has data sheet? Is it possible to test this module with multimeter?
I need circuit diagram/related theory for designing a power electronics circuit for controlling AC motor of about 1 hp. Please help
Hi guys, I am designing igbt driver. How to select the current rating of Gate driver for particular igbt. What is the criteria. What is the criteria for selecting fast switching diodes across the igbt Driver. I want use the SGP23N60UFD in 3-phase Half Bridge design. Please give me suggestions to select the suitable driver for 3-phase Half (...)
Hello there I am asking about some help. I am doing a project wich supposed to oscillating current about 25 kHz. L1 = L2 and i replace l3 with a 100watt lamp. It works. When i change the lamp with an 500 watt lamp( the load will have about 1800watt ). The circuit doesn´t work and blow up the igbt. Any one help me? Why igbt blows up? In both (...)
hi, i will suggest you a test method. in the start-up if your controller makes the dutycycle %100 your igbt will dead and you con not even notice it if it wolud not explose :) so i make my own tests with a "series lamp" always. there is a picture of it, sorry for bad drawing. but you can test your (...)
Hey Gentleman! Hi I think your mean is that you want to test your igbt ( is intact or not?). if yes, your answer is simple! if you give +15 volts between gate to emitter of your igbt , Its collector , emitter junction , will become short circuit( approximately). if you can see this behavior , your igbt is (...)
mosfets have a tendency to fail closed, while igbts have a tendency to fail OPEN in inverter topology. so i always used igbt.
hello. i recently in the process of the igbt short protection. but i meet with a little problem. my igbt driver CANNT protect the igbt when the igbt is in the short circuit condition. i use the VLA500-01 driver which is from isahaya, and the igbt module is CM1400DU-24NF. the attachment is (...)
Hi, I'm new to the TL494 and i'm using it for a buck converter. So, basically i'm using it for the igbt. I've tried carrying out the circuit given in the datasheets (for tl494) at can anyone share how the test inputs (pin 3 and 4) work? and is there a difference in
I use 4 mornsun QP12W05S-37 igbt drivers for drive H bridge 1200V,200A igbts ,I use the recommended circuit in the datasheet. Bit the igbt will failed and become shorted because of over current or short circuit,,please help me to find a reliable igbt driver that helps to prevent (...)
Hi, I need to test an igbt driver for an INFINEON FF100R12RT4 I NEED TO KNOW WHAT LOAD TO PLACE ON THE DRIVER OUTPUT (gate signal ) TO ENSURE THAT THE DRIVER circuit IS OK BEFORE I INSTALL THE NEW igbt
Do you just wish to see the output signals? If so, then, observe output at LO for low side signal. Connect VS to ground and observe output at HO for low side signal. Then remove connection from VS to ground. This way, you can only observe output signals/pulses. To figure out if the high side drive is proper or not, you need to connect a MOSFET/IG
Does anyone know how to test BSM50GP120 igbt module
Hi guys, we are trying to use ir2113 to drive the igbt for our project. We plan to make an H-bridge using the igbts but we cant drive the igbt using our IC. When we tried placing our PWM as input in the HIN pin of the IC, the HO pin only outputs a straight DC voltage. When we tried on the LOW side, it worked fine. Our PWM is 0 to 5V (...)
Dear friend Hi For gate drive, you can use from gate driver ic or use totem pole driver circuit, it is very fast to mosfet or igbt control