home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Planet Source Code Jumbo …e CD Visual Basic 1 to 7
/
5_2007-2008.ISO
/
data
/
Zips
/
Power_Fact2056133262007.psc
/
pf corrector designer
/
Form1.frm
next >
Wrap
Text File
|
2007-03-26
|
15KB
|
572 lines
VERSION 5.00
Begin VB.Form Form1
Caption = "Power Factor Corrector"
ClientHeight = 8490
ClientLeft = 60
ClientTop = 450
ClientWidth = 9405
LinkTopic = "Form1"
MaxButton = 0 'False
ScaleHeight = 8490
ScaleWidth = 9405
StartUpPosition = 2 'CenterScreen
Begin VB.VScrollBar VScroll3
Height = 3975
Left = 9120
Max = 50
Min = 1
TabIndex = 26
Top = 4320
Value = 1
Width = 255
End
Begin VB.Timer Timer2
Interval = 17
Left = 6600
Top = 360
End
Begin VB.PictureBox pic
AutoRedraw = -1 'True
BackColor = &H80000012&
Height = 3975
Left = 240
ScaleHeight = 3915
ScaleWidth = 8835
TabIndex = 20
Top = 4320
Width = 8895
End
Begin VB.CommandButton Command2
Caption = "STOP"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 1320
TabIndex = 16
Top = 0
Width = 1215
End
Begin VB.Timer Timer1
Interval = 17
Left = 7800
Top = 240
End
Begin VB.VScrollBar VScroll2
Height = 1335
Left = 7440
Max = 100
Min = 1
TabIndex = 13
Top = 2400
Value = 1
Width = 255
End
Begin VB.VScrollBar VScroll1
Height = 1335
Left = 6720
Max = 3000
Min = 1
TabIndex = 12
Top = 2400
Value = 1
Width = 255
End
Begin VB.TextBox txtpf
Height = 285
Left = 6720
TabIndex = 9
Top = 1920
Width = 855
End
Begin VB.CheckBox Check1
Caption = "Click to connect capacitor"
Height = 435
Left = 3840
TabIndex = 8
Top = 1080
Width = 1935
End
Begin VB.CommandButton Command1
Caption = "SIMULATE"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 375
Left = 0
TabIndex = 4
Top = 0
Width = 1335
End
Begin VB.TextBox txtload
Height = 285
Left = 6720
TabIndex = 3
Top = 1560
Width = 855
End
Begin VB.TextBox txtcap
Height = 285
Left = 4080
TabIndex = 2
Top = 2160
Width = 495
End
Begin VB.TextBox txtammeter
Height = 285
Left = 1560
TabIndex = 1
Top = 690
Width = 855
End
Begin VB.TextBox txtsource
Height = 285
Left = 1560
TabIndex = 0
Top = 1920
Width = 855
End
Begin VB.Label Label15
Height = 255
Left = 8280
TabIndex = 27
Top = 4080
Width = 1095
End
Begin VB.Label Label14
Caption = "PF corrector"
Height = 255
Left = 2880
TabIndex = 25
Top = 2160
Width = 975
End
Begin VB.Label Label13
Caption = "Legend:"
Height = 255
Left = 240
TabIndex = 24
Top = 3600
Width = 735
End
Begin VB.Label Label12
Caption = "Power Wave From"
Height = 255
Left = 3120
TabIndex = 23
Top = 3960
Width = 1695
End
Begin VB.Line Line13
BorderColor = &H0000FFFF&
BorderWidth = 3
X1 = 1080
X2 = 2880
Y1 = 4080
Y2 = 4080
End
Begin VB.Label Label11
Caption = "Current Wave Form"
Height = 255
Left = 3120
TabIndex = 22
Top = 3720
Width = 1695
End
Begin VB.Line Line12
BorderColor = &H00FFFFFF&
BorderWidth = 3
X1 = 1080
X2 = 2880
Y1 = 3840
Y2 = 3840
End
Begin VB.Label Label10
Caption = "Voltage Wave Form"
Height = 255
Left = 3120
TabIndex = 21
Top = 3480
Width = 1695
End
Begin VB.Line Line11
BorderColor = &H0000FF00&
BorderWidth = 3
X1 = 1080
X2 = 2880
Y1 = 3600
Y2 = 3600
End
Begin VB.Label Label9
Alignment = 2 'Center
BackStyle = 0 'Transparent
Caption = "S"
BeginProperty Font
Name = "MS Sans Serif"
Size = 24
Charset = 0
Weight = 400
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H000000FF&
Height = 495
Left = 720
TabIndex = 19
Top = 1680
Width = 735
End
Begin VB.Shape Shape1
BorderStyle = 0 'Transparent
FillStyle = 0 'Solid
Height = 615
Left = 720
Shape = 2 'Oval
Top = 1680
Width = 735
End
Begin VB.Label Label3
Caption = "microF"
Height = 375
Left = 4680
TabIndex = 18
Top = 2160
Width = 615
End
Begin VB.Line Line10
X1 = 3960
X2 = 3960
Y1 = 2040
Y2 = 3360
End
Begin VB.Line Line9
BorderWidth = 3
X1 = 3480
X2 = 4440
Y1 = 2040
Y2 = 2040
End
Begin VB.Line Line8
BorderWidth = 3
X1 = 3480
X2 = 4440
Y1 = 1920
Y2 = 1920
End
Begin VB.Line Line7
X1 = 3960
X2 = 3960
Y1 = 840
Y2 = 1920
End
Begin VB.Label Label8
Height = 255
Left = 7800
TabIndex = 17
Top = 2280
Width = 1575
End
Begin VB.Label Label7
Caption = "PF"
Height = 255
Left = 7440
TabIndex = 15
Top = 3840
Width = 495
End
Begin VB.Label Label6
Caption = "Load "
Height = 255
Left = 6600
TabIndex = 14
Top = 3840
Width = 615
End
Begin VB.Label Label5
Alignment = 2 'Center
BackColor = &H000000C0&
Caption = "LOAD"
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H00FFFF80&
Height = 1215
Left = 5760
TabIndex = 11
Top = 1440
Width = 735
End
Begin VB.Label Label1
Caption = "power factor"
Height = 255
Left = 7680
TabIndex = 10
Top = 1920
Width = 1095
End
Begin VB.Label Label4
Caption = "Load, watts"
Height = 255
Left = 7680
TabIndex = 7
Top = 1560
Width = 1095
End
Begin VB.Label Label2
Alignment = 2 'Center
BackColor = &H00C0C0C0&
Caption = "Ammeter"
ForeColor = &H00FF0000&
Height = 255
Left = 1560
TabIndex = 6
Top = 480
Width = 855
End
Begin VB.Label source
Caption = "SOURCE"
Height = 255
Left = 1200
TabIndex = 5
Top = 2400
Width = 1335
End
Begin VB.Line Line6
X1 = 6120
X2 = 6120
Y1 = 3360
Y2 = 2640
End
Begin VB.Line Line5
X1 = 6120
X2 = 6120
Y1 = 840
Y2 = 1440
End
Begin VB.Line Line4
X1 = 1080
X2 = 6120
Y1 = 3360
Y2 = 3360
End
Begin VB.Line Line3
X1 = 1080
X2 = 1080
Y1 = 2280
Y2 = 3360
End
Begin VB.Line Line2
X1 = 1080
X2 = 6120
Y1 = 840
Y2 = 840
End
Begin VB.Line Line1
X1 = 1080
X2 = 1080
Y1 = 2400
Y2 = 840
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'Coded by Arnel Missiona
'www.geocities.com/arnelmissiona
Private OLDpf As Double
Private corCAP As Double
Private x As Double
Private prevx1 As Double
Private prevy1 As Double
Private prevcy1 As Double
Private prevpy1 As Double
Private mult As Double
Private center As Integer
Private xmult As Integer
Dim angle As Double
Private angleLAG As Double
Private Sub Check1_Click()
On Error GoTo err
Dim Capvar As Double
If Check1.Value = 1 Then
OLDpf = txtpf
xc = Round(1 / (2 * 3.1416 * 60 * txtcap) * 1000000, 2)
Capvar = (txtsource ^ 2) / xc
va2 = (CDbl(txtload) / CDbl(txtpf)) ^ 2
p2 = CDbl(txtload) ^ 2
var = va2 - p2
indvar = Sqr(var)
newvar = indvar - Capvar
newVA = Sqr(CDbl(txtload) ^ 2 + newvar ^ 2)
newpf = txtload / newVA
txtpf = Round(newpf, 4)
Else
txtpf = OLDpf
End If
err:
End Sub
Private Sub Command1_Click()
Timer1.Enabled = True
Timer2.Enabled = True
End Sub
Private Sub Command2_Click()
Timer1.Enabled = False
Timer2.Enabled = False
End Sub
Private Sub Form_Load()
Timer1.Enabled = False
Timer2.Enabled = False
source = "SOURCE: 220V"
txtsource = 220
txtload = 1
txtpf = 1
mult = 1 * 0.2
center = pic.Height / 2
xmult = 20
End Sub
Private Function ampere(pf As Double, power As Double, volts As Double) As Double
ampere = Round(power / (pf * volts), 2)
End Function
Private Sub Timer1_Timer()
Dim pf As Double
Dim volts As Double
Dim power As Double
Dim var As Double
pf = txtpf
volts = txtsource
power = txtload
txtammeter = ampere(pf, power, volts)
var = Sqr((txtload / txtpf) ^ 2 - txtload ^ 2)
Label8 = "VAR: " & Round(var, 2)
If Check1.Value = 0 Then
txtcap = Round(capacitor(txtsource, var) * 1000000, 0)
End If
End Sub
Private Sub Timer2_Timer()
On Error GoTo err
Dim radANGLE As Double
Dim radlagANGLE As Double
pic.DrawWidth = 1
pic.Scale (0, pic.Height)-(pic.Width, 0)
xpf = txtpf
If xpf <> 1 Then
angleLAG = (Atn(-xpf / Sqr(-xpf * xpf + 1)) + 2 * Atn(1)) * (180 / 3.1416)
Else
angleLAG = 0
End If
x = (x + 1) + xmult 'scale
angle = angle + 10 ' convert this to radians first
radANGLE = angle * (3.1416 / 180) ' in radians
yval = Sin(radANGLE) * txtsource * mult + center
cvalA = angle - angleLAG
radlagANGLE = cvalA * (3.1416 / 180) ' lagging angle in radians
lag = "Angle:" & angle & " anglelag:" & angleLAG & " LAG o:" & cvalA
cval = Sin(radlagANGLE) * CDbl(txtammeter) * (mult * 4) + center
power = ((Sin(radANGLE) * txtsource * Sin(radlagANGLE) * CDbl(txtammeter)) * (mult / 2)) + center
If (x - xmult) = 1 Then
pic.Line (0, yval)-(0, yval), vbGreen
pic.Line (0, cval)-(0, cval), vbGreen
pic.Line (0, power)-(0, power), vbGreen
prevx1 = x
prevy1 = yval
prevcy1 = cval
prevpy1 = power
Else
pic.Line (0, center)-(pic.Width, center), vbRed
pic.Line (prevx1, prevy1)-(x, yval), vbGreen
pic.Line (prevx1, prevcy1)-(x, cval), vbWhite
pic.Line (prevx1, prevpy1)-(x, power), vbYellow
prevx1 = x
prevy1 = yval
prevcy1 = cval
prevpy1 = power
End If
If x > pic.Width Then x = 0: pic.Cls
err:
'MsgBox err.Description
End Sub
Private Sub VScroll1_Scroll()
txtload = VScroll1.Value
End Sub
Private Sub VScroll2_Change()
txtpf = VScroll2.Value / 100
End Sub
Private Sub VScroll2_Scroll()
txtpf = VScroll2.Value / 100
End Sub
Private Function capacitor(volts As Double, var As Double)
On Error GoTo err
Dim x As Double
x = volts ^ 2 / var
capacitor = 1 / (2 * 3.1416 * 60 * x)
err:
End Function
Private Sub VScroll3_Change()
mult = VScroll3.Value * 0.2
Label15 = "ZOOM : " & VScroll3.Value
End Sub
Private Sub VScroll3_Scroll()
mult = VScroll3.Value * 0.2
Label15 = "ZOOM : " & VScroll3.Value
End Sub
