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49 Threads found on Inverter Output Control
It is better to use PI control in a feedback system of an inverter power stage in a microinverter?
Hi, I'm a student. I have a project & I don't know how to do it. I have to make an inverter (12 Volts DC to AC converter) , then control the output voltage using a thyristor. Any hints how to make it? I searched Google & found this weblog :
Is this a feasible way to control a BLDC pump??, ie by having ?Buck-boost SMPS? -> ?3 PHASE inverter? -> ?BLDC? (the buck-boost SMPS is output current regulated, and the current is regulated to that level which makes the BLDC speed go to the desired speed). So, we wish to supply a 600W BLDC with a buck-boost converter which has (...)
This topic is coming up more frequently. See the list of related threads further down this column. Click one and it will lead you to more information that may be helpful. Also, try a forum search on 'grid tie inverter'.
Current sense at the output side of the Grid Tie inverter is used to sense the presence of the electric utility current across the output for islanding? right?.. where should I connect it? my block diagram is an inverter stage then an EMI filter, should my current sense loop be connected in between the (...)
i tried to implement a multilevel inverter. i done already in matlab which shows what i want. during the hardware implementation the output voltage shows the same result as in matlab if load is zero. when i connect a load the output voltage becomes zero no current flows through it.why this problem occurs. the sources are 3 nos of 12V (...)
Dear, I need to rectify the output of a commercial inverter (Chinese - 12V to 220V - 250W) and then filter it to have a DC voltage. The rectifier works perfect, but when I connect two capacitors in series to achieve the necessary voltage the output became zero. Which is the effect that the capacitors ge
Hi, I'd like to build a 3-phase DC to AC inverter that can regulate its output around 230V and frequency 50Hz and can be connected to the grid. I'd like to hear from professional people what is the most powerful microcontroller that can be used ? I am using PIC micro and have been advised to use PIC18F2331 as it contains many PWM ch . What (...)
I was trying to use a 13.8Vdc to 110VAC power inverter (350 watts) to power a model railroad layout. THe resistance of the tracks was if I recall correctly, when one engine was on, about 12 ohms. There were two turnoffs and a blinking (led) water tower that ran on about 18Vrms. At 17 or 18 VDC the lay out draws a little over 1 amp, I figured a
Hey guys do you have any block diagram control, or know some reference, so I can control a single-phase inverter to operate at fixed power factor? 's
I have built my 12 to 220 modified inverter (1000 watt). I use ATMEGA8 and IRF3205 in my design. I am sure about 220V and 50Hz on output. My design almost look like this. 107891 In addition to feedback signal. My problem is : this inverter Destroyed my three home fans (its driver board use triacs). 1078
I'm trying to design a DC-AC Pure sine wave power inverter which will take 12 V DC from a battery and Provide a 220 Vrms, 50Hz sine wave output. I've seen many references, but most of them are either square wave or modified square wave. I've designed a bubba oscillator using LM348 which produces a 50Hz sine wave. But it's amplitude is only 1Vpk.
Dear Friends, I made single phase inverter and the output waveform i have seen in DSO. Please share your views is it correct output or some modification are require? Thank you105978105979
Hi friends. I have trouble with my boost converter+inverter design. My boost converter is work proper itself but when I try to connect a full bridge inverter to output of the converter, converter output voltage dramatically drops down. Actually, I'm trying to have 220Vrms AC voltage from inverter (...)
hi everyone!!! i just built a modified smps inverter rated 600watts.the problem am facing now is that when i plug in rechargeable led flash light,my ir2110 get damage but work with appliance with using sg3525 to control two ir2110 at d H-bridge side with irfp460 mosfet.i didnt apply any filter at the final output.switching frequency(
I'm not an expert, however a synchronous motor, as the name say, has a speed synchronized with the frequency of the AC signal from which it is supplied. Then to vary the speed you need a static inverter that allows to change the frequency of its output while the voltage is always the same (230V in your case). Possibly the power dissipation of the
I'm generating a PWM duel clock to run an inverter. The all the functions are working properly. But the problem is in feedback. The output voltage should be fixed. For this I'm using negative feedback. The feedback program is: void neg_feed() { ADCON0=0b00000001; //avg_pwm2 = avg_pwm1; adc_rd0 = ADC_Read(0); avg_
You should start with a small capacity inverter, like 100W. Then scale it up for your required power. Start learning on the various blocks - PWM control section, feedback section, MOSFET drive section, power stage, output filter, etc. Two very common PWM controllers you could take a look at are SG3525 and SG3524. You can (...)
If I'm reading the LUT right, then LO = ~IO right? As in, out = ~in. The output is just an inverter, and is not dependent on the value of "control". Now if you attach 1 to that control signal (which is what I suspect what you did to get the above warning), then it will give you a warning telling the "1" you just connected is (...)
joelyoung, I can advise that washing machines are heavy loads to plug at sinusoidal inverters, even if it was been oversized. However, in order to provide a regulated output, you can do by PID control. Take a look here for further information : +++