1: I know, but .meas at ½ cycle let me read the voltages easily. 2: I’ll try that; good suggestion! Sent: Thursday, December 26, 2024 2:04 PM To: LTspice@groups.io Subject: EXTERNAL: Re: [LTspice]

Inductance is proportional to N², but voltage is proportional to N. You must redo your inductance calculation.

Two things I notice instantly: Primary voltage should be 311V. Voltages in SPICE are peak. You don't run a 50Hz transient for only 10ms.

Late night modelling certainly didn’t help! OK, replaced SQRT() with x**2 Tap-to-tap differences and voltages are slightly better. 18VAC winding is a bit worse, though. Still blows up with

Inductance is proportional to turns squared, not square root. Start with a simpler winding with one tap, and look at the directions of current flow. In an autotransformer, the 'secondary' current

Please see my recent upload, Autotransformer.zip I need some tutorials regarding autotransformer modelling! I was intrigued by Hassan's AC Stabilizer and tried to model TR1 The model differed from my

LTspice has a few kinds of "ideal" models.  I used both kinds. If you used any "real" diode (one with a part number), there's chances of a few factors that could affect results. The ideal diode "D"

I didn't use the "ideal" diode so even the minuscule capacitance was causing issues. The LTspice ideal diode is very similar to the XSPICE simple diode code model.

I thought that did something different (shutting off the current source as the voltage approaches zero).  Is there a different explanation?  Can it throttle the current when the terminal voltage

Did you try enabling "This is an active load" in the current source properties? -- Regards, Tony

I  would think that a non-Op-Amp would be needed in that case, perhaps a diff amp with a preset gain of 1 or 2. What is meant by the word "true" in "'true' Fully-Differential OpAmp"?  Is there

I uploaded Voltage-Clamped-Current-Source.asc which has four five ( three four, really) examples of adding a voltage clamp to an ideal current source.  It is not an algorithmic approach, but it does

Yes there are multiple types of "Fully-Differential Amplifiers". There is no set minimum requirements. For the case of feeding a differential ADC, a "true" Fully-Differential OpAmp is generally

Having issues making a current source with limited voltage compliance for an ideal charge pump in a PLL circuit. The methods of clamping the Source max Vc using a diode and voltage source or Zener

4 boost, 1 in-out, 1 buck boost_1, Ne/Nb: RL1 NC, RL2 NC, RL3 NC boost_1, Ne/Nb: RL1 NC, RL2 NO, RL3 NC boost_2, Ne/Nc: RL1 NO, RL2 NC, RL3 NC boost_3, Nd/Nb: RL1 NC, RL2 NC, RL3 NO boost_3,

Off topic When I started designing and producing mains stabilizers for the local consumers, around 4 decades ago, I used LM324 with trimmers to activate the relays properly (much like the one

Almost, but not quite.  One of the pins is the common, leaving you with 4 pins for choosing the input:output transformation. A is the common.  The input voltage may be applied between pin A and: *

The boost/buck question depends completely upon the taps of TR1. I believe there were 5 taps in the drawing, labelled A … E. If C was defined to be the 220VAC (Phase) input, then there would be two

Am autotransformer is modelled as several inductors in series, paying attention to the “start” marker. Once the inductors are lined up, write one “K” directive, to define the coupling among

I might be wrong, but it looks to me like this circuit best provides a voltage boost.  I guess there is one choice for voltage reduction.  So, it might not be a good choice for handling an