Questions tagged [igbt]

Insulated-gate bipolar transistor, voltage-driven power transistor with fast switching times

0
votes
1answer
73 views

why fs25r12w1t4 infineon module is burnt out when high current is paassed through it?

I am implementing a VFD for Induction motor drive. I have used fs25r12w1t4 Infineon IGBT module ( 1200v 25A) with gate driver 6ed003l06-f2. It always burnt out when I passed 2A current. What may the ...
1
vote
2answers
311 views

TTL or IGBT Output - software switchable

I am creating a circuit which will be used in an Engine Management system. Its function is to: a) either drive a 12v ignition coil directly (using a normal IGBT) b) or if required, offer instead a ...
1
vote
2answers
105 views

Three phase rectifier heatsink

I need to choose a heatsink and a fan for cooling a three phase rectifier. Let's say that the total power dissipation is 1.8kW and that the rectifier is made of three half bridge IGBT/diode modules ...
-1
votes
2answers
665 views

IGBT H-bridge failure

I am using Infineon's IGBT - IKW50N65H5 and IKW50N65F5 for a H-bridge inverter. The DC supply to the inverter is the line supply of 230VAC with KBPC5010's full wave rectification. The bridge was being ...
0
votes
0answers
335 views

Can you drive a logic level IGBT directly from a micro controller?

My question pertains specifically to devices like an EcoSPARK®2 400V, N-Channel Ignition IGBT. I'm investigating the requirements for building an electronic ignition system for a go cart. This would ...
-1
votes
1answer
537 views

IGBT failure on Inverters [closed]

We were using Mitsubishi IGBT with the code CM400DY-24NF but had to change to Fuji IGBT 2MBI450U4E-120. These IGBTs are used in inverters and the inverters are used in solar energy applications and ...
1
vote
2answers
76 views

Repairing failed board trace

I am replacing some igbt transistors on a circuit board from my Samsung TV. While de-soldering one of the 4 components one of the traces from the gate lead fell off. I am looking for the best ...
0
votes
0answers
161 views

IGBT SOA rating vs. Short Circuit rating

I have an IGBT (with integrated anti-parallel diode; forgive the BJT symbol in the diagram) that is switching an inductive load with a ~300 Vdc supply. The threshold voltage is ~5V and I'm driving it ...
2
votes
2answers
781 views

IGBT-based capacitor charge transfer and thyristor-based capacitor discharge

simulate this circuit – Schematic created using CircuitLab I am designing a circuit to provide a couple of strong and fast current pulses (~1000 A, more current is better, ~100 us, half-sine) ...
0
votes
2answers
358 views

What are the parameters to consider while selecting MOSFET or IGBT for Inverter and SMPS Design [closed]

I'm working on a project to design Buck Converter with following Criteria Vin: 4.5-60V Vout:8-15V Iout:6-12Amps
0
votes
1answer
59 views

Igbt switching for magnetic coils

I am constructing igbt based switching circuit for switching multiple coils with a proper time delay for a scientific experiment. I need to simulate the circuit before doing on board. I am using ...
0
votes
1answer
79 views

Thermal design for an IGBT

I am working on a project that involes an inverter made with IGBTs. The device I selected for builing the H bridge is this: STGW60H65DFB. One of my roles in this project is also to select a suitable ...
0
votes
2answers
147 views

Dual gate driver inputs/outputs tied together

I'm using an IR4427 dual low-side gate driver to drive a single IXEL40N400 IGBT. Since I'm not using the second side, I'm considering tying its input to the active input and output to the active ...
0
votes
1answer
1k views

Turn-on resistance - IGBTs

I would like to find out the internal resistance Ron of this IGBT device : http://www.infineon.com/dgdl/Infineon-IHW50N65R5-DS-v02_04-EN.pdf?fileId=5546d461464245d30146ae23713f0115 The Ron ...
0
votes
0answers
354 views

Who do IGBT rectifiers have floating gates (unlike MOSFET rectifiers)?

When I search Google Images for "IGBT rectifier", I notice that they all appear to have floating gates. But don't IGBT's have gates like the ones on MOSFET's, in which it's insulated from the other ...
2
votes
1answer
512 views

DC bus inversion to 3 phase AC modified sine wave using IGBTs

I'm working with a variable voltage inverter. I have 3 phase AC voltage coming in at 480V RMS line to line. It hits a full wave SCR front end, has a DC bus link, and is inverted with IGBTs to created ...
0
votes
1answer
31 views

Does a datasheet paramaters of an IGBT gives you a DC , AC rms or an average value

For an example if you look at this datasheet for an IGBT datasheet , It has values for 1) Vces 2) Ic 3) VGes ect. Does these values give you a DC, or AC RMS or an average value?
0
votes
4answers
865 views

How can I reduce the current draw for a dimmer with a triac for an immersion heater?

I've been working on variable control for a immersion heater. The problem is that the heater consumes a lot of current, about 10 to 15 Amps. I already have to circuits to control it, the problem is ...
1
vote
2answers
410 views

Input capacitance IGBT and MOSFET

I measured the input capacitance of a MOSFET and found it was greater than an IGBT. Why is this? Is it due to the Miller capacitance seen in a MOSFET?
0
votes
3answers
380 views

Resistor values for a Voltage- Controlled Current Source Circuit

simulate this circuit – Schematic created using CircuitLab Hi Folks, During my bachelor thesis, I am learning IGBT gate driver cricuits. I am struggling with understanding the following ...
1
vote
3answers
681 views

Transistor Amplifier Classes

There are many different power amplifier classes for transistors, like: A, B, A/B, C, D, etc. But as I searched through the internet and I only found those classes referring to BJTs. What about JFETs,...
0
votes
1answer
281 views

mazzilli zvs both igbt failure

I try to build mazzili zvs with 2 IGBT toshiba MG75Q2YS40 75A 1200v. For the each fast diode, I use 2 pieces DSEC60-06 A 600v 30A in series to get 1200v. for this, I use 2 power source: 12 volt for ...
0
votes
1answer
68 views

How to cut of the DC supply from a high power motor control?

For my project I built a BLDC motor controller. Now I have to cut of the controller from the battery. A relay is not easy because common my application needs >200Amps The highside switches I ...
1
vote
0answers
364 views

Significant voltage drop across IGBT

I'm using an IGBT in a wireless charger circuit as a swtich to send 'pulses' of power across the gap. I have 14V coming from the mosfet driver and I can see around 5v on the collector. I have the ...
0
votes
1answer
867 views

Ways to Protect Mosfet from Burning on PWM for running universal dc motor?

I want to control one universal dc motor (vacuum cleaner Motor 220V,8A) with AVR micro and one high power mosfet. So the power part schematic is here: But the problem is here when input voltage going ...
2
votes
2answers
250 views

Risks of using device body as heat sink for IGBT and Bridge rectifier

I want to know is any risk factor (electrical shocking or ... ) for using one aluminum (4mm) device body which is used as heat-sink for IGBT and Bridge rectifier that are working with 220 volt power? ...
1
vote
1answer
258 views

MG8Q6ES42 - N CHANNEL IGBT

I found this "MG8Q6ES42 - N CHANNEL IGBT" power switching control motor hybrid integrated circuit between some old motor application circuit boards. Although I found datasheet for it, I didn't found ...
1
vote
3answers
655 views

Semikron 4 Control pin IGBT

Below is the datasheet of the IGBT https://www.semikron.com/dl/service-support/downloads/download/semikron-datasheet-skm75gb063d-22890050 It has 4 Control Pins , Number 4,5,6,7 . Generally a MOSFET ...
1
vote
2answers
92 views

How can earth fault meter work through inactive IGBTs

I have a setup with a Bender IRDH375 connected to the DC bus of an IGBT based inverter. If I connect a 50kOhm resistor to earth while running the inverter, it detects it well. That part is reasonably ...
1
vote
1answer
341 views

How to create high voltage levels for high side input of a driver?

I need to charge and discharge a capacitor up to supply Voltage and down to GND level. Supply voltage of the system may change between 120V and 60V. Also, to drive capacitor charge/discharge switch, I ...
1
vote
3answers
1k views

High current, low voltage switch

I have a serious hobby coilgun project powered by a 6S (25V) LiPo Battery. Currently i have the LiPo, capable of at least 600A burst current connected to a ~75mOhm circuit for some 300+A of peak ...
1
vote
2answers
287 views

What gate resistor for IGBT irg4pc50s

I am building a H-Bridge. This is the schematic of my driver board for 1 of the IGBT's. I do not know how to calculate the R1. The Vge is 15v, The Ic is 41A. What would be the best size of resistor to ...
1
vote
1answer
50 views

Power supply for dirvers in 3-phase motors - multiple transfromer windings

Looking into 3-phase motor drivers, especially ones for IGBT hex modules for motor drivers, I have noticed the use of transformer windings is arranged so that there is a separate winding for each of ...
0
votes
1answer
2k views

Relay Vs MOSFET or IGBT

Curious on your thoughts for an application and the pros and cons of using a relay or a MOSFET or IGBT. The application involves switching a 96V lead acid battery pack on and off for periods of 5 ...
-5
votes
1answer
299 views

present with me a “ic” for only produce dead time for IGBT gate driver [closed]

i need to "ic" only for produce dead time with been 2 pulses. i need dead time=={4-5 micro second}
-1
votes
4answers
832 views

How to convert 700V AC to 5V DC 500mA?

I have a device that requires approximately 500 mA at 5 VDC, and I am required to get this power from two legs of a three phase power supply. The voltage between these legs can be between 110 and 700 ...
2
votes
6answers
470 views

Controlling the frequency of AC used to energize an electromagnet

I am trying to build an electromagnetic pendulum which essentially has a pendulum arm with a permanent magnet at its end which is 'kicked' by an electromagnet placed at the mean position to drive the ...
0
votes
0answers
210 views

Can an IGBT overcurrent damage the driver?

We are using an hex IGBT module (datasheet: http://www.microsemi.com/document-portal/doc_view/7751-aptgt150ta60pg-rev2-pdf) which is driven by two separate IGBT drivers, the 2SC0108T2D0-07 (datasheet ...
1
vote
1answer
220 views

Low-side DC shunt motor drive

I want to drive a DC shunt motor like in the picture below. The PWM circuit with optocoupler, mosfet driver etc. is not shown. This circuit works fine on 12V DC motors. It even worked when tested on ...
0
votes
1answer
677 views

How to use a subcircuit in capture / spice

I am wondering how to add an IGBT .subckt file to a schematic in Orcad Capture. I already found out that if you have an '.NIGBT' model, you can use the Breakout library. But I cannot find out how to ...
0
votes
1answer
853 views

Which formulas do I need to calculate current of a 3phase induction motor

How can I know the current a motor would require to run at a given RPM. Here are some values: 160 HP motor 325 volts 2300 RPM 311 ft/lbs of torque(not sure how useful this is) induction motor using ...
-2
votes
1answer
138 views

Amplifiying a 40kHz square signal to a higher frequency [closed]

So I designed a circuit with these two main parts: 1. The timer, powered by 12V DC consists of a 555 timer circuit enhanced with Op-Amp regulator circuit. This part is connected to irg4ph40upbf IGBT. ...
0
votes
2answers
196 views

IGBT naming question

I was looking at this site http://www.electronics-tutorials.ws/power/insulated-gate-bipolar-transistor.html Here an IGBT is an NMOS with a BJT> But the BJT looks to be a pnp device. When the NMOS ...
0
votes
2answers
1k views

120VAC to 90VDC Power Supply (for DC Stepper Motors)

I'm currently an electrical engineering student working on building a 3 degree of freedom motion simulator using three 90V DC Stepper Motors. Each motor can draw up to 5 A so I need to find or build a ...
12
votes
2answers
3k views

What is the difference between driving a MOSFET gate and an IGBT gate?

Can I use an suitable IGBT gate driver for driving the MOSFET, and vice versa? Which parameters (threshold, plateau, and turn on voltage ratings, gate capacitance, etc) must be the same for this ...
2
votes
1answer
476 views

adjustable IGBT current?

Goodmorning all, Here my very first question so I may be asking something that is may be already answerd but I couldn't find, My question is : How is current limiting achieved in modern IGBT based ...
1
vote
2answers
698 views

How can an active rectifier block current?

This is a 2 part question for my understand about how an MOSFET/IGBT based active rectifier controls current. 1) Assuming a 3 phase active front end to a DC bus, and some huge load on the DC bus ...
3
votes
1answer
727 views

Testing parallel IGBT module

A single NPN IGBT chip can usually be tested by a 9V battery between gate and emitter. However opening up a larger module reveals many IGBT modules in parallel. I`ve seen some inverters using ...
0
votes
2answers
793 views

Why this pair of IGBT's died silently?

Before some days I have taken a look at circuit which controls AC current's frequency. That circuit was a VFD which looks like: simulate this circuit – Schematic created using CircuitLab But ...
1
vote
1answer
1k views

How to set phase delay for a three phase igbt rectifier

I have a three phase igbt rectifier like so. three phase voltage = 690V. how to set the phase delay and DC link capacitor value(F) to get Vdc = 1070. I have updated the complete simulation with the ...