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mirror of https://github.com/metrostroi-repo/MetrostroiAddon.git synced 2026-05-02 00:42:29 +00:00

Improved battery charging and control circuits current computing; also added more correct BPSN overload protection code

This commit is contained in:
Moon Horse
2024-07-05 21:49:44 +03:00
parent 14310e2cfe
commit 24a3e9f67c
7 changed files with 50 additions and 53 deletions

View File

@@ -59,8 +59,6 @@ function TRAIN_SYSTEM:SolveAllInternalCircuits(Train,dT,firstIter)
local P = Train.PositionSwitch
local RheostatController = Train.RheostatController
local RK = RheostatController.SelectedPosition
--local B = (Train.Battery.Voltage >= 60) and 1 or (Train.Battery.Voltage >= Train.Battery.CutoffVoltage) and 0.5 or 0
--local B = linearity*(Train.Battery.Voltage - Train.Battery.CutoffVoltage)/(Train.Battery.StartVoltage - Train.Battery.CutoffVoltage)
local B = Train.Battery.Voltage > Train.Battery.CutoffVoltage and 1 or 0
local BO = B*Train.VB.Value*(1-Train.PA1.Value)
local BO2 = B*Train.VB.Value*(1-Train.PA2.Value)

View File

@@ -57,8 +57,6 @@ function TRAIN_SYSTEM:SolveAllInternalCircuits(Train,dT,firstIter)
local P = Train.PositionSwitch
local RheostatController = Train.RheostatController
local RK = RheostatController.SelectedPosition
--local B = (Train.Battery.Voltage >= 60) and 1 or (Train.Battery.Voltage >= Train.Battery.CutoffVoltage) and 0.5 or 0
--local B = math.min(1,linearity*(Train.Battery.Voltage - Train.Battery.CutoffVoltage)/(Train.Battery.StartVoltage - Train.Battery.CutoffVoltage))
local B = Train.Battery.Voltage > Train.Battery.CutoffVoltage and 1 or 0
local BO = B*Train.VB.Value*(1-Train.PA1.Value)
local BO2 = B*Train.VB.Value*(1-Train.PA2.Value)

View File

@@ -22,13 +22,18 @@ function TRAIN_SYSTEM:Initialize()
self.Charging = 0
self.ElementCount = 52
self.StartVoltage = 75 -- 1.44 volt per fully charged new NiCd-cell
self.Voltage = self.StartVoltage
self.TargetVoltage = self.Voltage
self.SoC = 0.5 + math.random()*0.5 -- 50-100 %
local EMF_soc, Uh_soc, tvb_sign
EMF_soc=-0.68175*self.SoC^8+8.82823*self.SoC^7-24.43179*self.SoC^6+31.87221*self.SoC^5-23.97881*self.SoC^4+11.24774*self.SoC^3-3.40685*self.SoC^2+0.74692*self.SoC+1.22076
Uh_soc=2.62496*self.SoC^8-12.77132*self.SoC^7+22.37586*self.SoC^6-18.04921*self.SoC^5+6.14667*self.SoC^4+0.26467*self.SoC^3-0.82125*self.SoC^2+0.21246*self.SoC+0.02641
self.TargetVoltage = (EMF_soc - Uh_soc)*self.ElementCount
self.Voltage = self.TargetVoltage
self.Vpart = 0
self.CellIRes = 0.009 -- 9 mOhm is a standard^w fake internal resistance of a fully-charged and rested new HKH-80 Ah NiCd-cell
self.IResistance = self.CellIRes*self.ElementCount
self.SoC0v = 52 -- 52 volts at 0% state of charge assuming 1.0 volt per fully discharged cell
self.SoC = 1.00 -- fully charged
--self.SoC0v = 52 -- 52 volts at 0% state of charge assuming 1.0 volt per fully discharged cell
self.CutoffVoltage = 45 -- we want deep discharge <_<
self.EthaCE0 = 0.94 -- Coulomb efficiency coeff
self.EthaCE = self.EthaCE0
@@ -65,12 +70,12 @@ function TRAIN_SYSTEM:Inputs()
return { "Charge", "Dischargeable", "InitialVoltage", "CarType", "Computer" }
end
function TRAIN_SYSTEM:Outputs()
return { "Capacity", "Charge", "Voltage", "eds_eq" }
return { "Capacity", "Charge", "Voltage", "eds_eq", "Ibatt" }
end
function TRAIN_SYSTEM:TriggerInput(name,value)
if name == "Charge" then self.Charging = value end
if name == "Dischargeable" then self.Dischar = value end
if name == "InitialVoltage" then self.StartVoltage = value end
--if name == "InitialVoltage" then self.StartVoltage = value end
if name == "CarType" then self.CarType = value end
end
@@ -98,7 +103,6 @@ function TRAIN_SYSTEM:Think(dT)
--self.CCcurrent_sigma = 0
--a "two-node method" of 10's wire voltage computing
-- разобраться с принципом подзаряда АКБ в момент отключения тумблера
for k,v in ipairs(self.Train.WagonList) do
nodecurr_sum = nodecurr_sum + v.A56.Value*(v.VB.Value*v.Battery.Voltage/v.Battery.IResistance + v.PowerSupply.X2_1*v.A24.Value*v.PowerSupply.VoltageOut/v.PowerSupply.IResistance)
--+ 1/((1 - v.VB.Value*v.A49.Value)*1e12 + 1e3)
@@ -109,21 +113,27 @@ function TRAIN_SYSTEM:Think(dT)
end
end
eds_eq = nodecurr_sum/branchcond_sum
-- сделать расчет потребляемого тока БПСН
--print(eds_eq, nodecurr_sum, branchcond_sum)
for k,v in ipairs(self.Train.WagonList) do
v.PowerSupply.car_control_load = eds_eq*GetBranchCondSum(v.Battery.Consumers)
local consumers_cond = GetBranchCondSum(v.Battery.Consumers)
v.PowerSupply.car_control_load = eds_eq*consumers_cond
v.Battery.Ibatt = math.min(1,(2-self.Train.PA1.Value-self.Train.PA2.Value))
*(math.min(1,(v.VB.Value*v.A56.Value+v.A24.Value))*v.VB.Value*((v.A56.Value*(eds_eq - v.Battery.Voltage)
+ v.PowerSupply.X2_1*(1-v.A56.Value)*(v.PowerSupply.VoltageOut*v.A24.Value - v.Battery.Voltage))))/v.Battery.IResistance -- math.max(0,(2.4*(v.Battery.Voltage/v.Battery.StartVoltage)-2.39))
--self.Ibatt_sigma = self.Ibatt_sigma + v.Battery.Ibatt
--self.CCcurrent_sigma = self.CCcurrent_sigma + v.PowerSupply.car_control_load
v.PowerSupply.Iout = v.VB.Value*math.min(1,(2-self.Train.PA1.Value-self.Train.PA2.Value))*v.A24.Value*(v.PowerSupply.VoltageOut - eds_eq)/v.PowerSupply.IResistance
+ v.VB.Value*v.A56.Value*v.A24.Value*(v.PowerSupply.VoltageOut - eds_eq)*consumers_cond
v.Battery.eds_eq = eds_eq
v.Battery.hvcounter = hvcounter
v.eds_eq = v.Battery.eds_eq
if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
print(v.eds_eq, nodecurr_sum, branchcond_sum)
--if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
--print(v.eds_eq, nodecurr_sum, branchcond_sum)
--print(v.PowerSupply.car_control_load,v.Battery.Ibatt,v.Battery.IResistance)
end
--print(v.PowerSupply.Iout,v.PowerSupply.Icosume)
--end
end
--for k,v in ipairs(self.Train.WagonList) do
--v.Battery.Ibatt_sigma = self.Ibatt_sigma
@@ -139,11 +149,11 @@ function TRAIN_SYSTEM:Think(dT)
local aCE = kCE*80 + 0.5
self.EthaCE = aCE - kCE * math.abs(self.Ibatt)
else
self.EthaCE = 0.94-5*math.exp(-self.Ibatt)
self.EthaCE = 0.94-0.8*math.exp(-self.Ibatt)
end
else
if self.SoC <= 1.0 then
self.EthaCE = 1
self.EthaCE = 1 -- maybe I should make it more than 1... (instead of self discharge current)
else
self.EthaCE = 0.5*math.exp(2.6*self.SoC) - 5.73 -- не бывает!
end
@@ -195,60 +205,46 @@ function TRAIN_SYSTEM:Think(dT)
-- Need to implement:
-- Battery voltage (EMF in our case) growth rate at SoC > 90%: 0.25 volt per 10%
-- Battery voltage (EMF in our case) decrease rate at SoC < 10%: 0.20 volt per 10%
--[[local i_bat = math.abs(self.Ibatt)
if self.SoC > 1.0 then
self.Voltage = 75 + math.exp(2-9*self.SoC)
elseif self.SoC > 0.2 then
local Kmin, Kmax = 3/0.8, 13/0.8
local KaCe = (Kmax - Kmin)/(63-8)
local Akc = Kmax-63*KaCe
local Kdis = Akc+KaCe*i_bat
local Avb = 75
TargVbatt = Avb - Kdis*self.SoC
else
local Ka = (75-68)/(64-8)
local Ai = (64-i_bat)*Ka+68
local Kb = (24-13)/(64-8)
local Bi = (i_bat-8)*Kb+13
TargVbatt = Ai - Bi*math.exp(-7*self.SoC)
end]]
if self.Ibatt > 0.005*self.ElementCapacity then
self.TargetVoltage = EMF_soc + Uh_soc
if self.SoC > 0.9 and self.Ibatt > 0.005*self.ElementCapacity then
if self.Vpart < 0 then self.Vpart = 0 end
self.Vpart = math.min(0.3,self.Vpart + 0.05)
--self.Vpart = math.min(0.3,self.Vpart + 0.05)
self.Vpart = 2.5*(self.SoC-0.9)
self.TargetVoltage = math.min(self.eds_eq/self.ElementCount, self.TargetVoltage + self.Vpart)
end
else
self.TargetVoltage = EMF_soc - Uh_soc
if self.SoC < 0.1 and self.Ibatt < -0.005*self.ElementCapacity then
if self.Vpart > 0 then self.Vpart = 0 end
self.Vpart = math.max(-0.2, self.Vpart - 0.05)
--self.Vpart = math.max(-0.2, self.Vpart - 0.05)
self.Vpart = -2.0*(0.1-self.SoC)
self.TargetVoltage = math.max(0.8, self.TargetVoltage + self.Vpart)
end
end
self.TargetVoltage = self.TargetVoltage*self.ElementCount
--print("Target Voltage = "..TargVbatt, self.Train)
tvb_sign = self.Voltage > self.TargetVoltage and -1 or 1
self.Voltage = self.Voltage + tvb_sign*0.05
--self.Voltage = self.Voltage + (TargVbatt - self.Voltage)*dT*0.05
--tvb_sign = self.Voltage > self.TargetVoltage and -1 or 1
--self.Voltage = self.Voltage + tvb_sign*0.05
self.Voltage = self.Voltage + (self.TargetVoltage - self.Voltage)*0.05
--self.Voltage = (75-self.SoC0v)*(self.Charge/self.Capacity)+self.SoC0v
-- DEBUG
-- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
--if self.Train.R_VPR and self.Train.R_VPR.Value < 0.5 then
--local tval = 1
--print("Target Voltage = "..self.TargetVoltage, "self.Voltage = "..self.Voltage, "train:",self)
--print("self.SoC = "..self.SoC, "self.Ibatt = "..self.Ibatt)
--print("self.eds_eq = "..self.eds_eq)
--print("self.EthaCE = "..self.EthaCE, "self.IResistance = "..self.IResistance)
--print("self.Capacity = "..self.Capacity)
--print("self.Train.PA2 = "..self.Train.PA2.Value)
--[[
EMF_soc=-0.68175*tval^8+8.82823*tval^7-24.43179*tval^6+31.87221*tval^5-23.97881*tval^4+11.24774*tval^3-3.40685*tval^2+0.74692*tval+1.22076
Uh_soc=2.62496*tval^8-12.77132*tval^7+22.37586*tval^6-18.04921*tval^5+6.14667*tval^4+0.26467*tval^3-0.82125*tval^2+0.21246*tval+0.02641
print("EMF_soc = "..EMF_soc, "Uh_soc = "..Uh_soc)--]]
end
--end
-- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
else
-- Calculate discharge

View File

@@ -20,10 +20,12 @@ function TRAIN_SYSTEM:Initialize()
self.X6_2 = 0
self.X2_1 = 0
self.OutputVoltage = 76--math.random(78,82) -- volts
self.IResistance = 0.01 --Ohm (сам выдумал, примерно на полтора порядка ниже, чем у АКБ)
self.car_control_load= 0 --Amp
self.VoltageOut = 0
self.OutputVoltage = 76 -- volts
self.IResistance = 0.01 -- Ohm (сам выдумал, примерно на полтора порядка ниже, чем у АКБ)
self.car_control_load = 0 -- Amp
self.Icosume = 0 -- 3rd rail current consumption, amp
self.Iout = 0 -- output current, amp
self.VoltageOut = 0
self.Active = 0
self.Train:LoadSystem("ConverterProtection","Relay","Switch", {bass = true})
@@ -34,7 +36,7 @@ function TRAIN_SYSTEM:Inputs()
end
function TRAIN_SYSTEM:Outputs()
return { "X2_2", "X6_2", "car_control_load", "VoltageOut", "OutputVoltage" }
return { "X2_2", "X6_2", "car_control_load", "VoltageOut", "OutputVoltage", "Icosume", "Iout" }
end
@@ -49,9 +51,11 @@ function TRAIN_SYSTEM:Think()
local Train = self.Train
-- Get high-voltage input
self.X2_1 = Train.KPP.Value * (1-Train.RZP.Value) * (1-self.X2[3]) -- P4
self.Icosume = self.VoltageOut*self.Iout/Train.Electric.Aux750V
-- Get battery input
local XT3_1 = self.X2[5]*self.X2_1
if Train.Electric.Aux750V*self.X2_1 > 975 then
if Train.Electric.Aux750V*self.X2_1 > 975 or self.Icosume > 28 then -- should be 25 - 30 amp
Train.RZP:TriggerInput("Close",1)
self.X2_1 = 0
XT3_1 = 0

View File

@@ -95,7 +95,7 @@ function TRAIN_SYSTEM:Initialize(parameters,extra_parameters)
if relay_types[relay_type] then
parameters = relay_types[relay_type]
else
print("[sys_relay.lua] Unknown relay type: "..parameters, self.Name)
--print("[sys_relay.lua] Unknown relay type: "..parameters, self.Name)
parameters = {}
end
parameters.relay_type = relay_type