modelPI
PI controller operational amplifier circuit
Extends from PartialOpAmp (Partial circuit of operational amplifiers).
Information
Inverting proportional-integral controller = PI, based on the IdealizedOpAmpLimited model.
Transfer function: vOut/vIn = -k*s/(1 + s*T)
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Voltage | Vps (from PartialOpAmp) | +15 | Positive supply |
| SI.Voltage | Vns (from PartialOpAmp) | -15 | Negative supply |
| Real | V0 (from PartialOpAmp) | 15000.0 | No-load amplification |
| Real | k | 1 | Desired amplification |
| SI.Resistance | R1 | 1000 | Resistance at negative input of OpAmp |
| SI.Resistance | R2 | k*R1 | Calculated resistance to reach k |
| SI.Time | T | Time constant | |
| SI.Capacitance | C | T/k/R1 | Calculated capacitance to reach T |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| PositivePin | p1 (from FourPin) | Positive electrical pin of port 1 | |
| NegativePin | n1 (from FourPin) | Negative electrical pin of port 1 | |
| PositivePin | p2 (from FourPin) | Positive electrical pin of port 2 | |
| NegativePin | n2 (from FourPin) | Negative electrical pin of port 2 |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| SI.Voltage | v1 (from FourPin) | Voltage drop of port 1 (= p1.v - n1.v) | |
| SI.Voltage | v2 (from FourPin) | Voltage drop of port 2 (= p2.v - n2.v) | |
| SI.Current | i1 (from FourPin) | Current flowing from pos. to neg. pin of port 1 | |
| SI.Current | i2 (from FourPin) | Current flowing from pos. to neg. pin of port 2 | |
| Modelica.Electrical.Analog.Ideal.OpAmpLimited | opAmp (from PartialOpAmp) | ||
| SI.Voltage | v | c.v | Capacitor voltage = state |
| Modelica.Electrical.Analog.Basic.Resistor | r1 | ||
| Modelica.Electrical.Analog.Basic.Resistor | r2 | ||
| Modelica.Electrical.Analog.Basic.Capacitor | c |