kicad/pcb_calculator/calculator_panels/iec60664.cpp

1331 lines
35 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2023 Kicad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Based on IEC60664-1 : 2020-05
#include "iec60664.h"
#include <iostream>
double IEC60664::GetMinGrooveWidth( const POLLUTION_DEGREE aPD, const double aDistIso )
{
if( aDistIso <= 0 )
return -1;
// Based on IEC60664-1 : 2020-05 §6.8
if( abs( aDistIso ) < 3 )
return aDistIso / 3;
switch( aPD )
{
case POLLUTION_DEGREE::PD1: return 0.25;
case POLLUTION_DEGREE::PD2: return 1.0;
case POLLUTION_DEGREE::PD3: return 1.5;
default: return -1;
}
}
double IEC60664::GetClearanceAltitudeCorrectionFactor( const double aAltitude )
{
// Based on IEC60664-1 : 2020-05 Table A.2
if( aAltitude <= 2000 )
return 1.0;
if( aAltitude <= 3000 )
return 1.14;
if( aAltitude <= 4000 )
return 1.29;
if( aAltitude <= 5000 )
return 1.48;
if( aAltitude <= 6000 )
return 1.70;
if( aAltitude <= 7000 )
return 1.95;
if( aAltitude <= 8000 )
return 2.25;
if( aAltitude <= 9000 )
return 2.62;
if( aAltitude <= 10000 )
return 3.02;
if( aAltitude <= 15000 )
return 6.67;
if( aAltitude <= 20000 )
return 14.5;
return -1;
}
double IEC60664::GetClearanceForRMSVoltage( const double aVRMS, const FIELD aField )
{
// Based on IEC60664-1 : 2020-05 Table A.1
switch( aField )
{
case FIELD::INHOMOGENEOUS:
if( aVRMS <= 0.028 )
return 0.001;
if( aVRMS <= 0.053 )
return 0.002;
if( aVRMS <= 0.078 )
return 0.003;
if( aVRMS <= 0.102 )
return 0.004;
if( aVRMS <= 0.124 )
return 0.005;
if( aVRMS <= 0.152 )
return 0.00625;
if( aVRMS <= 0.191 )
return 0.008;
if( aVRMS <= 0.23 )
return 0.010;
if( aVRMS <= 0.25 )
return 0.012;
if( aVRMS <= 0.26 )
return 0.015;
if( aVRMS <= 0.28 )
return 0.020;
if( aVRMS <= 0.31 )
return 0.025;
if( aVRMS <= 0.33 )
return 0.030;
if( aVRMS <= 0.37 )
return 0.040;
if( aVRMS <= 0.37 )
return 0.040;
if( aVRMS <= 0.40 )
return 0.050;
if( aVRMS <= 0.42 )
return 0.0625;
if( aVRMS <= 0.46 )
return 0.080;
if( aVRMS <= 0.50 )
return 0.10;
if( aVRMS <= 0.52 )
return 0.12;
if( aVRMS <= 0.57 )
return 0.15;
if( aVRMS <= 0.62 )
return 0.20;
if( aVRMS <= 0.67 )
return 0.25;
if( aVRMS <= 0.71 )
return 0.30;
if( aVRMS <= 0.78 )
return 0.40;
if( aVRMS <= 0.84 )
return 0.50;
if( aVRMS <= 0.90 )
return 0.60;
if( aVRMS <= 0.98 )
return 0.80;
if( aVRMS <= 1.06 )
return 1.0;
if( aVRMS <= 1.20 )
return 1.2;
if( aVRMS <= 1.39 )
return 1.5;
if( aVRMS <= 1.68 )
return 2.0;
if( aVRMS <= 1.96 )
return 2.5;
if( aVRMS <= 2.21 )
return 3.0;
if( aVRMS <= 2.68 )
return 4.0;
if( aVRMS <= 3.11 )
return 5.0;
if( aVRMS <= 3.51 )
return 6.0;
if( aVRMS <= 4.26 )
return 8.0;
if( aVRMS <= 4.95 )
return 10;
if( aVRMS <= 5.78 )
return 12.0;
if( aVRMS <= 7.0 )
return 15.0;
if( aVRMS <= 8.98 )
return 20.0;
if( aVRMS <= 10.8 )
return 25.0;
if( aVRMS <= 12.7 )
return 30.0;
if( aVRMS <= 16.2 )
return 40.0;
if( aVRMS <= 19.6 )
return 50.0;
if( aVRMS <= 22.8 )
return 60.0;
if( aVRMS <= 29.2 )
return 80.0;
if( aVRMS <= 35.4 )
return 80.0;
break;
case FIELD::HOMOGENEOUS:
if( aVRMS <= 0.028 )
return 0.001;
if( aVRMS <= 0.053 )
return 0.002;
if( aVRMS <= 0.078 )
return 0.003;
if( aVRMS <= 0.102 )
return 0.004;
if( aVRMS <= 0.124 )
return 0.005;
if( aVRMS <= 0.152 )
return 0.00625;
if( aVRMS <= 0.191 )
return 0.008;
if( aVRMS <= 0.23 )
return 0.010;
if( aVRMS <= 0.25 )
return 0.012;
if( aVRMS <= 0.26 )
return 0.015;
if( aVRMS <= 0.28 )
return 0.020;
if( aVRMS <= 0.31 )
return 0.025;
if( aVRMS <= 0.33 )
return 0.030;
if( aVRMS <= 0.37 )
return 0.040;
if( aVRMS <= 0.37 )
return 0.040;
if( aVRMS <= 0.40 )
return 0.050;
if( aVRMS <= 0.42 )
return 0.0625;
if( aVRMS <= 0.50 )
return 0.080;
if( aVRMS <= 0.57 )
return 0.10;
if( aVRMS <= 0.64 )
return 0.12;
if( aVRMS <= 0.74 )
return 0.15;
if( aVRMS <= 0.89 )
return 0.20;
if( aVRMS <= 1.03 )
return 0.25;
if( aVRMS <= 1.15 )
return 0.30;
if( aVRMS <= 1.38 )
return 0.40;
if( aVRMS <= 1.59 )
return 0.50;
if( aVRMS <= 1.79 )
return 0.60;
if( aVRMS <= 2.15 )
return 0.80;
if( aVRMS <= 2.47 )
return 1.0;
if( aVRMS <= 2.89 )
return 1.2;
if( aVRMS <= 3.50 )
return 1.5;
if( aVRMS <= 4.48 )
return 2.0;
if( aVRMS <= 5.41 )
return 2.5;
if( aVRMS <= 6.32 )
return 3.0;
if( aVRMS <= 8.06 )
return 4.0;
if( aVRMS <= 9.76 )
return 5.0;
if( aVRMS <= 11.5 )
return 6.0;
if( aVRMS <= 14.6 )
return 8.0;
if( aVRMS <= 17.7 )
return 10;
if( aVRMS <= 20.9 )
return 12.0;
if( aVRMS <= 25.7 )
return 15.0;
if( aVRMS <= 33.5 )
return 20.0;
if( aVRMS <= 41.2 )
return 25.0;
if( aVRMS <= 48.8 )
return 30.0;
if( aVRMS <= 63.6 )
return 40.0;
if( aVRMS <= 78.5 )
return 50.0;
if( aVRMS <= 92.6 )
return 60.0;
if( aVRMS <= 120.9 )
return 80.0;
if( aVRMS <= 148.5 )
return 80.0;
break;
default:
break;
}
return -1; // Out of range
}
double IEC60664::GetClearanceToWithstandTransientVoltage( const double aVoltage,
const POLLUTION_DEGREE aPD,
const FIELD aField )
{
// Based on IEC60664-1 : 2020-05 Table F.2
switch( aField )
{
case FIELD::INHOMOGENEOUS:
if( aPD <= POLLUTION_DEGREE::PD1 )
{
if( aVoltage <= 0.33 )
return 0.01;
if( aVoltage <= 0.40 )
return 0.02;
if( aVoltage <= 0.50 )
return 0.04;
if( aVoltage <= 0.60 )
return 0.06;
if( aVoltage <= 0.80 )
return 0.10;
if( aVoltage <= 1.0 )
return 0.15;
}
if( aPD <= POLLUTION_DEGREE::PD2 )
{
if( aVoltage <= 1.0 )
return 0.2;
if( aVoltage <= 1.2 )
return 0.25;
if( aVoltage <= 1.5 )
return 0.5;
}
if( aPD <= POLLUTION_DEGREE::PD3 )
{
if( aVoltage <= 1.5 )
return 0.8;
if( aVoltage <= 2.0 )
return 1.0;
if( aVoltage <= 2.5 )
return 1.5;
}
if( ( aPD >= POLLUTION_DEGREE::PD4 ) && ( aVoltage <= 2.5 ) )
return 1.6;
if( aVoltage <= 3.0 )
return 2.0;
if( aVoltage <= 4.0 )
return 3.0;
if( aVoltage <= 5.0 )
return 4.0;
if( aVoltage <= 6.0 )
return 5.5;
if( aVoltage <= 8.0 )
return 8.0;
if( aVoltage <= 10 )
return 11;
if( aVoltage <= 12 )
return 14;
if( aVoltage <= 15 )
return 18;
if( aVoltage <= 20 )
return 25;
if( aVoltage <= 25 )
return 33;
if( aVoltage <= 30 )
return 40;
if( aVoltage <= 40 )
return 60;
if( aVoltage <= 50 )
return 75;
if( aVoltage <= 60 )
return 90;
if( aVoltage <= 80 )
return 130;
if( aVoltage <= 100 )
return 170;
break;
case FIELD::HOMOGENEOUS:
if( aPD <= POLLUTION_DEGREE::PD1 )
{
if( aVoltage <= 0.33 )
return 0.01;
if( aVoltage <= 0.40 )
return 0.02;
if( aVoltage <= 0.50 )
return 0.04;
if( aVoltage <= 0.60 )
return 0.06;
if( aVoltage <= 0.80 )
return 0.10;
if( aVoltage <= 1.0 )
return 0.15;
if( aVoltage <= 1.2 )
return 0.2;
}
if( aPD <= POLLUTION_DEGREE::PD2 )
{
if( aVoltage <= 1.2 )
return 0.2;
if( aVoltage <= 1.5 )
return 0.3;
if( aVoltage <= 2.0 )
return 0.45;
if( aVoltage <= 2.5 )
return 0.60;
if( aVoltage <= 3.0 )
return 0.80;
}
if( aPD <= POLLUTION_DEGREE::PD3 )
{
if( aVoltage <= 3.0 )
return 0.80;
if( aVoltage <= 4.0 )
return 1.2;
if( aVoltage <= 5.0 )
return 1.5;
}
if( ( aPD >= POLLUTION_DEGREE::PD4 ) && ( aVoltage <= 5.0 ) )
return 1.6;
if( aVoltage <= 6.0 )
return 2.0;
if( aVoltage <= 8.0 )
return 3.0;
if( aVoltage <= 10 )
return 3.5;
if( aVoltage <= 12 )
return 4.5;
if( aVoltage <= 15 )
return 5.5;
if( aVoltage <= 20 )
return 8.0;
if( aVoltage <= 25 )
return 10;
if( aVoltage <= 30 )
return 12.5;
if( aVoltage <= 40 )
return 17;
if( aVoltage <= 50 )
return 22;
if( aVoltage <= 60 )
return 27;
if( aVoltage <= 80 )
return 35;
if( aVoltage <= 100 )
return 45;
break;
default:
break;
}
return -1; // Out of range
}
double IEC60664::GetClearanceToWithstandPeaks( const double aVoltage, const FIELD aField )
{
// Based on IEC60664-1 : 2020-05 Table F.8
switch( aField )
{
case FIELD::INHOMOGENEOUS:
if( aVoltage <= 0.04 )
return 0.001;
if( aVoltage <= 0.06 )
return 0.002;
if( aVoltage <= 0.1 )
return 0.003;
if( aVoltage <= 0.12 )
return 0.004;
if( aVoltage <= 0.15 )
return 0.005;
if( aVoltage <= 0.20 )
return 0.006;
if( aVoltage <= 0.25 )
return 0.008;
if( aVoltage <= 0.33 )
return 0.01;
if( aVoltage <= 0.4 )
return 0.02;
if( aVoltage <= 0.5 )
return 0.04;
if( aVoltage <= 0.6 )
return 0.06;
if( aVoltage <= 0.8 )
return 0.13;
if( aVoltage <= 1.0 )
return 0.26;
if( aVoltage <= 1.2 )
return 0.42;
if( aVoltage <= 1.5 )
return 0.76;
if( aVoltage <= 2.0 )
return 1.27;
if( aVoltage <= 2.5 )
return 1.8;
if( aVoltage <= 3.0 )
return 2.4;
if( aVoltage <= 4.0 )
return 3.8;
if( aVoltage <= 5.0 )
return 5.7;
if( aVoltage <= 6.0 )
return 7.9;
if( aVoltage <= 8.0 )
return 11.0;
if( aVoltage <= 10 )
return 15.2;
if( aVoltage <= 12 )
return 19;
if( aVoltage <= 15 )
return 25;
if( aVoltage <= 20 )
return 34;
if( aVoltage <= 25 )
return 44;
if( aVoltage <= 30 )
return 55;
if( aVoltage <= 40 )
return 77;
if( aVoltage <= 50 )
return 100;
break;
case FIELD::HOMOGENEOUS:
if( aVoltage <= 0.04 )
return 0.001;
if( aVoltage <= 0.06 )
return 0.002;
if( aVoltage <= 0.1 )
return 0.003;
if( aVoltage <= 0.12 )
return 0.004;
if( aVoltage <= 0.15 )
return 0.005;
if( aVoltage <= 0.20 )
return 0.006;
if( aVoltage <= 0.25 )
return 0.008;
if( aVoltage <= 0.33 )
return 0.01;
if( aVoltage <= 0.33 )
return 0.01;
if( aVoltage <= 0.4 )
return 0.02;
if( aVoltage <= 0.5 )
return 0.04;
if( aVoltage <= 0.6 )
return 0.06;
if( aVoltage <= 0.8 )
return 0.1;
if( aVoltage <= 1.0 )
return 0.15;
if( aVoltage <= 1.2 )
return 0.2;
if( aVoltage <= 1.5 )
return 0.3;
if( aVoltage <= 2.0 )
return 0.45;
if( aVoltage <= 2.5 )
return 0.6;
if( aVoltage <= 3.0 )
return 0.8;
if( aVoltage <= 4.0 )
return 1.2;
if( aVoltage <= 5.0 )
return 1.5;
if( aVoltage <= 6.0 )
return 2;
if( aVoltage <= 8.0 )
return 3;
if( aVoltage <= 10 )
return 3.5;
if( aVoltage <= 12 )
return 4.5;
if( aVoltage <= 15 )
return 5.5;
if( aVoltage <= 20 )
return 8;
if( aVoltage <= 25 )
return 10;
if( aVoltage <= 30 )
return 12.5;
if( aVoltage <= 40 )
return 17;
if( aVoltage <= 50 )
return 22;
if( aVoltage <= 60 )
return 27;
if( aVoltage <= 80 )
return 35;
if( aVoltage <= 100 )
return 45;
break;
default:
break;
}
return -1;
}
double IEC60664::GetRatedImpulseWithstandVoltage()
{
// Based on IEC60664-1 : 2020-05 Table F.1
double voltage = m_ratedVoltage;
switch( m_overvoltageCat )
{
case OV_CATEGORY::OV_I:
if( voltage <= 50 )
return 330;
if( voltage <= 100 )
return 500;
if( voltage <= 150 )
return 800;
if( voltage <= 300 )
return 1500;
if( voltage <= 600 )
return 2500;
if( voltage <= 1000 )
return 4000;
if( voltage <= 1250 )
return 4000;
if( voltage <= 1500 )
return 6000;
break;
case OV_CATEGORY::OV_II:
if( voltage <= 50 )
return 500;
if( voltage <= 100 )
return 800;
if( voltage <= 150 )
return 1500;
if( voltage <= 300 )
return 2500;
if( voltage <= 600 )
return 4000;
if( voltage <= 1000 )
return 6000;
if( voltage <= 1250 )
return 6000;
if( voltage <= 1500 )
return 8000;
break;
case OV_CATEGORY::OV_III:
if( voltage <= 50 )
return 800;
if( voltage <= 100 )
return 1500;
if( voltage <= 150 )
return 2500;
if( voltage <= 300 )
return 4000;
if( voltage <= 600 )
return 6000;
if( voltage <= 1000 )
return 8000;
if( voltage <= 1250 )
return 8000;
if( voltage <= 1500 )
return 10000;
break;
case OV_CATEGORY::OV_IV:
if( voltage <= 50 )
return 1500;
if( voltage <= 100 )
return 2500;
if( voltage <= 150 )
return 4000;
if( voltage <= 300 )
return 6000;
if( voltage <= 600 )
return 8000;
if( voltage <= 1000 )
return 12000;
if( voltage <= 1250 )
return 12000;
if( voltage <= 1500 )
return 15000;
break;
default:
break;
}
return -1; // Out of range
}
IEC60664::MATERIAL_GROUP IEC60664::GetMaterialGroupFromCTI( const double aCTI )
{
if( aCTI >= 600 )
return MATERIAL_GROUP::MG_I;
if( aCTI >= 400 )
return MATERIAL_GROUP::MG_II;
if( aCTI >= 175 )
return MATERIAL_GROUP::MG_IIIa;
if( aCTI >= 100 )
return MATERIAL_GROUP::MG_IIIb;
return MATERIAL_GROUP::NOT_INSULATING;
}
double IEC60664::GetBasicCreepageDistance( const double aVoltage, const POLLUTION_DEGREE aPD,
const MATERIAL_GROUP aMG )
{
// Based on IEC60664-1 : 2020-05 Table F.5
bool IsPCBmaterial = m_pcbMaterial;
if( aVoltage > 1000 )
IsPCBmaterial = false;
if( aPD >= POLLUTION_DEGREE::PD3 )
IsPCBmaterial = false;
if( aPD >= POLLUTION_DEGREE::PD2 && aMG == MATERIAL_GROUP::MG_IIIb )
IsPCBmaterial = false;
if( IsPCBmaterial )
{
if( aPD == POLLUTION_DEGREE::PD1 )
{
if( aVoltage <= 50 )
return 0.025;
if( aVoltage <= 63 )
return 0.040;
if( aVoltage <= 80 )
return 0.063;
if( aVoltage <= 100 )
return 0.100;
if( aVoltage <= 125 )
return 0.160;
if( aVoltage <= 160 )
return 0.250;
if( aVoltage <= 200 )
return 0.400;
if( aVoltage <= 250 )
return 0.560;
if( aVoltage <= 320 )
return 0.75;
if( aVoltage <= 400 )
return 1.0;
if( aVoltage <= 500 )
return 1.3;
if( aVoltage <= 630 )
return 1.8;
if( aVoltage <= 800 )
return 2.4;
if( aVoltage <= 1000 )
return 3.2;
}
if( aPD == POLLUTION_DEGREE::PD2 )
{
if( aVoltage <= 50 )
return 0.040;
if( aVoltage <= 63 )
return 0.063;
if( aVoltage <= 80 )
return 0.100;
if( aVoltage <= 100 )
return 0.160;
if( aVoltage <= 125 )
return 0.250;
if( aVoltage <= 160 )
return 0.400;
if( aVoltage <= 200 )
return 0.630;
if( aVoltage <= 250 )
return 1.000;
if( aVoltage <= 320 )
return 1.60;
if( aVoltage <= 400 )
return 2.0;
if( aVoltage <= 500 )
return 2.5;
if( aVoltage <= 630 )
return 3.2;
if( aVoltage <= 800 )
return 4.0;
if( aVoltage <= 1000 )
return 5.0;
}
}
if( aPD == POLLUTION_DEGREE::PD1 )
{
if( aVoltage <= 10 )
return 0.080;
if( aVoltage <= 12.5 )
return 0.090;
if( aVoltage <= 16 )
return 0.100;
if( aVoltage <= 20 )
return 0.110;
if( aVoltage <= 25 )
return 0.125;
if( aVoltage <= 32 )
return 0.14;
if( aVoltage <= 40 )
return 0.16;
if( aVoltage <= 50 )
return 0.18;
if( aVoltage <= 63 )
return 0.20;
if( aVoltage <= 80 )
return 0.22;
if( aVoltage <= 100 )
return 0.25;
if( aVoltage <= 125 )
return 0.28;
if( aVoltage <= 160 )
return 0.32;
if( aVoltage <= 200 )
return 0.42;
if( aVoltage <= 250 )
return 0.56;
if( aVoltage <= 320 )
return 0.75;
if( aVoltage <= 400 )
return 1.0;
if( aVoltage <= 500 )
return 1.3;
if( aVoltage <= 630 )
return 1.8;
if( aVoltage <= 800 )
return 2.4;
if( aVoltage <= 1000 )
return 3.2;
if( aVoltage <= 1250 )
return 4.2;
if( aVoltage <= 1600 )
return 5.6;
if( aVoltage <= 2000 )
return 7.5;
if( aVoltage <= 2500 )
return 10.0;
if( aVoltage <= 3200 )
return 12.5;
if( aVoltage <= 4000 )
return 16.0;
if( aVoltage <= 5000 )
return 20.0;
if( aVoltage <= 6300 )
return 25.0;
if( aVoltage <= 8000 )
return 32.0;
if( aVoltage <= 10000 )
return 40.0;
if( aVoltage <= 12500 )
return 50.0;
if( aVoltage <= 16000 )
return 63.0;
if( aVoltage <= 20000 )
return 80.0;
if( aVoltage <= 25000 )
return 100.0;
if( aVoltage <= 32000 )
return 125.0;
if( aVoltage <= 40000 )
return 160.0;
if( aVoltage <= 50000 )
return 200.0;
if( aVoltage <= 63000 )
return 250;
}
if( aPD == POLLUTION_DEGREE::PD2 && aMG == MATERIAL_GROUP::MG_I )
{
if( aVoltage <= 10 )
return 0.400;
if( aVoltage <= 12.5 )
return 0.420;
if( aVoltage <= 16 )
return 0.450;
if( aVoltage <= 20 )
return 0.480;
if( aVoltage <= 25 )
return 0.500;
if( aVoltage <= 32 )
return 0.53;
if( aVoltage <= 40 )
return 0.56;
if( aVoltage <= 50 )
return 0.60;
if( aVoltage <= 63 )
return 0.63;
if( aVoltage <= 80 )
return 0.67;
if( aVoltage <= 100 )
return 0.71;
if( aVoltage <= 125 )
return 0.75;
if( aVoltage <= 160 )
return 0.80;
if( aVoltage <= 200 )
return 1.00;
if( aVoltage <= 250 )
return 1.25;
if( aVoltage <= 320 )
return 1.60;
if( aVoltage <= 400 )
return 2.0;
if( aVoltage <= 500 )
return 2.5;
if( aVoltage <= 630 )
return 3.2;
if( aVoltage <= 800 )
return 4.0;
if( aVoltage <= 1000 )
return 5.0;
if( aVoltage <= 1250 )
return 6.3;
if( aVoltage <= 1600 )
return 8.0;
if( aVoltage <= 2000 )
return 10.0;
if( aVoltage <= 2500 )
return 12.5;
if( aVoltage <= 3200 )
return 16.0;
if( aVoltage <= 4000 )
return 20.0;
if( aVoltage <= 5000 )
return 25.0;
if( aVoltage <= 6300 )
return 32.0;
if( aVoltage <= 8000 )
return 40.0;
if( aVoltage <= 10000 )
return 50.0;
if( aVoltage <= 12500 )
return 63.0;
if( aVoltage <= 16000 )
return 80.0;
if( aVoltage <= 20000 )
return 100.0;
if( aVoltage <= 25000 )
return 125.0;
if( aVoltage <= 32000 )
return 160.0;
if( aVoltage <= 40000 )
return 200.0;
if( aVoltage <= 50000 )
return 250.0;
if( aVoltage <= 63000 )
return 320.0;
}
if( aPD == POLLUTION_DEGREE::PD2 && aMG == MATERIAL_GROUP::MG_II )
{
if( aVoltage <= 10 )
return 0.400;
if( aVoltage <= 12.5 )
return 0.420;
if( aVoltage <= 16 )
return 0.450;
if( aVoltage <= 20 )
return 0.480;
if( aVoltage <= 25 )
return 0.500;
if( aVoltage <= 32 )
return 0.53;
if( aVoltage <= 40 )
return 0.80;
if( aVoltage <= 50 )
return 0.85;
if( aVoltage <= 63 )
return 0.90;
if( aVoltage <= 80 )
return 0.95;
if( aVoltage <= 100 )
return 1.00;
if( aVoltage <= 125 )
return 1.05;
if( aVoltage <= 160 )
return 1.10;
if( aVoltage <= 200 )
return 1.40;
if( aVoltage <= 250 )
return 1.80;
if( aVoltage <= 320 )
return 2.20;
if( aVoltage <= 400 )
return 2.8;
if( aVoltage <= 500 )
return 3.6;
if( aVoltage <= 630 )
return 4.5;
if( aVoltage <= 800 )
return 5.6;
if( aVoltage <= 1000 )
return 7.1;
if( aVoltage <= 1250 )
return 9.0;
if( aVoltage <= 1600 )
return 11.0;
if( aVoltage <= 2000 )
return 14.0;
if( aVoltage <= 2500 )
return 18.0;
if( aVoltage <= 3200 )
return 22.0;
if( aVoltage <= 4000 )
return 28.0;
if( aVoltage <= 5000 )
return 36.0;
if( aVoltage <= 6300 )
return 45.0;
if( aVoltage <= 8000 )
return 56.0;
if( aVoltage <= 10000 )
return 71.0;
if( aVoltage <= 12500 )
return 90.0;
if( aVoltage <= 16000 )
return 110.0;
if( aVoltage <= 20000 )
return 140.0;
if( aVoltage <= 25000 )
return 180.0;
if( aVoltage <= 32000 )
return 220.0;
if( aVoltage <= 40000 )
return 280.0;
if( aVoltage <= 50000 )
return 360.0;
if( aVoltage <= 63000 )
return 450.0;
}
if( aPD == POLLUTION_DEGREE::PD2
&& ( aMG == MATERIAL_GROUP::MG_IIIa || aMG == MATERIAL_GROUP::MG_IIIb ) )
{
if( aVoltage <= 10 )
return 0.400;
if( aVoltage <= 12.5 )
return 0.420;
if( aVoltage <= 16 )
return 0.450;
if( aVoltage <= 20 )
return 0.480;
if( aVoltage <= 25 )
return 0.500;
if( aVoltage <= 32 )
return 0.53;
if( aVoltage <= 40 )
return 1.10;
if( aVoltage <= 50 )
return 1.20;
if( aVoltage <= 63 )
return 1.25;
if( aVoltage <= 80 )
return 1.30;
if( aVoltage <= 100 )
return 1.40;
if( aVoltage <= 125 )
return 1.50;
if( aVoltage <= 160 )
return 1.60;
if( aVoltage <= 50000 )
return aVoltage / 100;
if( aVoltage <= 63000 )
return 600.0;
}
if( aPD == POLLUTION_DEGREE::PD3 && aMG == MATERIAL_GROUP::MG_I )
{
if( aVoltage <= 10 )
return 1.000;
if( aVoltage <= 12.5 )
return 1.050;
if( aVoltage <= 16 )
return 1.100;
if( aVoltage <= 20 )
return 1.200;
if( aVoltage <= 25 )
return 1.250;
if( aVoltage <= 32 )
return 1.30;
if( aVoltage <= 40 )
return 1.40;
if( aVoltage <= 50 )
return 1.50;
if( aVoltage <= 63 )
return 1.60;
if( aVoltage <= 80 )
return 1.70;
if( aVoltage <= 100 )
return 1.80;
if( aVoltage <= 125 )
return 1.90;
if( aVoltage <= 160 )
return 2.00;
if( aVoltage <= 200 )
return 2.50;
if( aVoltage <= 250 )
return 3.20;
if( aVoltage <= 320 )
return 4.00;
if( aVoltage <= 400 )
return 5.0;
if( aVoltage <= 500 )
return 6.3;
if( aVoltage <= 630 )
return 8.0;
if( aVoltage <= 800 )
return 10.0;
if( aVoltage <= 1000 )
return 12.5;
if( aVoltage <= 1250 )
return 16.0;
if( aVoltage <= 1600 )
return 20.0;
if( aVoltage <= 2000 )
return 25.0;
if( aVoltage <= 2500 )
return 32.0;
if( aVoltage <= 3200 )
return 40.0;
if( aVoltage <= 4000 )
return 50.0;
if( aVoltage <= 5000 )
return 63.0;
if( aVoltage <= 6300 )
return 80.0;
if( aVoltage <= 8000 )
return 100.0;
if( aVoltage <= 10000 )
return 125.0;
}
if( aPD == POLLUTION_DEGREE::PD3 && aMG == MATERIAL_GROUP::MG_II )
{
if( aVoltage <= 10 )
return 1.000;
if( aVoltage <= 12.5 )
return 1.050;
if( aVoltage <= 16 )
return 1.100;
if( aVoltage <= 20 )
return 1.200;
if( aVoltage <= 25 )
return 1.250;
if( aVoltage <= 32 )
return 1.30;
if( aVoltage <= 40 )
return 1.60;
if( aVoltage <= 50 )
return 1.70;
if( aVoltage <= 63 )
return 1.80;
if( aVoltage <= 80 )
return 1.90;
if( aVoltage <= 100 )
return 2.00;
if( aVoltage <= 125 )
return 2.10;
if( aVoltage <= 160 )
return 2.20;
if( aVoltage <= 200 )
return 2.80;
if( aVoltage <= 250 )
return 3.60;
if( aVoltage <= 320 )
return 4.50;
if( aVoltage <= 400 )
return 5.6;
if( aVoltage <= 500 )
return 7.1;
if( aVoltage <= 630 )
return 9.0;
if( aVoltage <= 800 )
return 11.0;
if( aVoltage <= 1000 )
return 14.0;
if( aVoltage <= 1250 )
return 18.0;
if( aVoltage <= 1600 )
return 22.0;
if( aVoltage <= 2000 )
return 28.0;
if( aVoltage <= 2500 )
return 36.0;
if( aVoltage <= 3200 )
return 45.0;
if( aVoltage <= 4000 )
return 56.0;
if( aVoltage <= 5000 )
return 71.0;
if( aVoltage <= 6300 )
return 90.0;
if( aVoltage <= 8000 )
return 110.0;
if( aVoltage <= 10000 )
return 140.0;
}
if( aPD == POLLUTION_DEGREE::PD3
&& ( aMG == MATERIAL_GROUP::MG_IIIa || aMG == MATERIAL_GROUP::MG_IIIb ) )
{
if( aVoltage <= 10 )
return 1.000;
if( aVoltage <= 12.5 )
return 1.050;
if( aVoltage <= 16 )
return 1.100;
if( aVoltage <= 20 )
return 1.200;
if( aVoltage <= 25 )
return 1.250;
if( aVoltage <= 32 )
return 1.30;
if( aVoltage <= 40 )
return 1.80;
if( aVoltage <= 50 )
return 1.90;
if( aVoltage <= 63 )
return 2.00;
if( aVoltage <= 80 )
return 2.10;
if( aVoltage <= 100 )
return 2.20;
if( aVoltage <= 125 )
return 2.40;
if( aVoltage <= 160 )
return 2.50;
if( aVoltage <= 200 )
return 3.20;
if( aVoltage <= 250 )
return 4.00;
if( aVoltage <= 320 )
return 5.00;
if( aVoltage <= 400 )
return 6.3;
if( aVoltage <= 500 )
return 8.0;
if( aVoltage <= 630 )
return 10.0;
if( aVoltage <= 800 )
return 12.5;
if( aVoltage <= 1000 )
return 16.0;
if( aVoltage <= 1250 )
return 20.0;
if( aVoltage <= 1600 )
return 25.0;
if( aVoltage <= 2000 )
return 32.0;
if( aVoltage <= 2500 )
return 40.0;
if( aVoltage <= 3200 )
return 50.0;
if( aVoltage <= 4000 )
return 63.0;
if( aVoltage <= 5000 )
return 80.0;
if( aVoltage <= 6300 )
return 100.0;
if( aVoltage <= 8000 )
return 125.0;
if( aVoltage <= 10000 )
return 160.0;
}
return -1; // Pointed out of the table.
}
double IEC60664::ComputeClearanceDistance( const POLLUTION_DEGREE aPD, const FIELD aField,
const double aAltitude )
{
// Based on IEC60664-1 : 2020-05 chart G.1
#if 0 // Not handled in IEC60664-1
double frequency = 50;
bool coatedOrPotted = false;
if( frequency > 30e3 )
return -1; // Requires 60664-3
if( coatedOrPotted )
return -1; // Requires 60664-4
#endif
double clearance1 = GetClearanceToWithstandTransientVoltage(
( m_insulationType == INSULATION_TYPE::REINFORCED ) ? m_transientVoltage * 1.6
: m_transientVoltage,
aPD, aField );
double clearance2 = GetClearanceToWithstandPeaks(
( m_insulationType == INSULATION_TYPE::REINFORCED ) ? m_peakVoltage * 1.6
: m_peakVoltage,
aField );
if( ( clearance1 == -1 ) || ( clearance2 == -1 ) )
{
clearance1 = -1;
clearance2 = -1;
}
double clearance = ( clearance1 > clearance2 ) ? clearance1 : clearance2;
clearance *= GetClearanceAltitudeCorrectionFactor( aAltitude );
return clearance;
}
double IEC60664::ComputeCreepageDistance( const POLLUTION_DEGREE aPD, const MATERIAL_GROUP aMG )
{
// Based on IEC60664-1 : 2020-05 chart H.1
#if 0 // Not handled in IEC60664-1
double frequency = 50;
bool coatedOrPotted = false;
if( frequency > 30e3 )
return -1; // Requires 60664-3
if( coatedOrPotted )
return -1; // Requires 60664-4
#endif
double creepage = GetBasicCreepageDistance( m_RMSvoltage, aPD, aMG );
if( m_insulationType == INSULATION_TYPE::REINFORCED )
{
creepage *= 2;
}
return creepage;
}
bool IEC60664::Compute()
{
m_clearance = ComputeClearanceDistance( m_pollutionDegree, m_field, m_altitude );
m_creepage = ComputeCreepageDistance( m_pollutionDegree, m_materialGroup );
if( m_creepage < m_clearance || m_clearance <= 0 )
m_creepage = m_clearance;
m_minGrooveWidth = GetMinGrooveWidth( m_pollutionDegree, m_clearance );
return true;
}