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https://github.com/metrostroi-repo/MetrostroiAddon.git
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110 lines
6.2 KiB
Lua
110 lines
6.2 KiB
Lua
--------------------------------------------------------------------------------
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-- Battery (HKH-80 type NiCd battery)
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--------------------------------------------------------------------------------
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-- Copyright (C) 2013-2018 Metrostroi Team & FoxWorks Aerospace s.r.o.
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-- Contains proprietary code. See license.txt for additional information.
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--------------------------------------------------------------------------------
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Metrostroi.DefineSystem("Battery")
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TRAIN_SYSTEM.DontAccelerateSimulation = true
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function TRAIN_SYSTEM:Initialize()
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-- Предохранители цепей (ПА1, ПА2)
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self.Train:LoadSystem("PA1","Relay","PP-28", { trigger_level = 31.5 }) -- A
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self.Train:LoadSystem("PA2","Relay","PP-28", { trigger_level = 31.5 }) -- A
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-- Battery parameters
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self.ElementCapacity = 80 -- A*hour
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self.Capacity = self.ElementCapacity * 3600
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self.Charge = self.Capacity
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-- Current through battery in amperes
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self.Current = 0
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self.Charging = 0
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self.ElementCount = 52
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self.StartVoltage = 75 -- 1.44 volt per fully charged new NiCd-cell
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self.Voltage = self.StartVoltage
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self.IResistance = 0.018*52 -- 0.018 Ohm is a standard internal resistance of a fully-charged and rested new 80 Ah NiCd-cell
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self.SoC0v = 52 -- 52 volts at 0% state of charge assuming 1.0 volt per fully discharged cell
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self.SoC = 100 -- fully charged
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self.CutoffVoltage = 54.7 -- 52 Volts actually, but due to lack of CC's current simulation train devices won't ever be shut down with this value
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self.Ibatt = 0
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self.eds_eq = 0
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self.hvcounter = 0
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self.Dischar = false
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self.ComputerCar = false
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end
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function TRAIN_SYSTEM:Inputs()
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return { "Charge", "Dischargeable", "InitialVoltage", "CarType" }
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end
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function TRAIN_SYSTEM:Outputs()
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return { "Capacity", "Charge", "Voltage" }
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end
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function TRAIN_SYSTEM:TriggerInput(name,value)
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if name == "Charge" then self.Charging = value end
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if name == "Dischargeable" then self.Dischar = value end
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if name == "InitialVoltage" then self.StartVoltage = value end
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if name == "CarType" then self.CarType = value end
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end
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function TRAIN_SYSTEM:Think(dT)
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if self.CarType == 1 then
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self.SoC = 100 * (self.Voltage - self.SoC0v)/(75 - self.SoC0v)
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if self.SoC > 60 then
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self.IResistance = 1e-4 * self.SoC + 0.012
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elseif 20 <= self.SoC and self.SoC <= 60 then
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self.IResistance = 0.018
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elseif self.SoC < 20 then
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self.IResistance = math.min(1.1, 0.018 + 1.56^(12-1.48*self.SoC)) -- just made it up by myself >_>
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end
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self.IResistance = self.IResistance * self.ElementCount
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if self.Train.ComputerCar then
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local nodecurr_sum, branchcond_sum = 0, 0
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local eds_eq = 0
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local hvcounter = 0
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for k,v in ipairs(self.Train.WagonList) do
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if v.PowerSupply.X2_2 > 0 and v.A24.Value > 0 then
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hvcounter = hvcounter + 1
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end
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end
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--a "two-node method" of 10's wire voltage computing
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for k,v in ipairs(self.Train.WagonList) do
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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)
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--+ 1/((1 - v.VB.Value*v.A49.Value)*1e12 + 1e3)
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branchcond_sum = branchcond_sum + 1/(v.LK4.Value > 0 and 20 or 1e12) + 1/(v.RV1.Value > 0 and 10 or 1e12) + 1/(v.KK.Value > 0 and 24 or 1e12) + 1/(1e3) + v.A56.Value*(v.VB.Value/v.Battery.IResistance + v.PowerSupply.X2_1*v.A24.Value/v.PowerSupply.IResistance)
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end
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eds_eq = nodecurr_sum/branchcond_sum
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for k,v in ipairs(self.Train.WagonList) do
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v.PowerSupply.car_control_load = eds_eq*(1/(v.LK4.Value > 0 and 20 or 1e12) + 1/(v.RV1.Value > 0 and 10 or 1e12) + 1/(v.KK.Value > 0 and 24 or 1e12))
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v.Battery.Ibatt = math.min(60,(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))
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v.Battery.eds_eq = eds_eq
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v.Battery.hvcounter = hvcounter
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v.eds_eq = v.Battery.eds_eq
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--print(v.PowerSupply.car_control_load,v.Battery.Ibatt,v.Battery.IResistance)
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end
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end
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-- Calculate discharge
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if self.Dischar then
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self.Train.BattCurrent = self.Ibatt*self.Train.A24.Value
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self.Train.PA1:TriggerInput("Close",self.Ibatt)
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self.Train.PA2:TriggerInput("Close",self.Ibatt)
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self.Charge = math.min(self.Capacity,self.Charge + self.Ibatt * (self.Ibatt < 0 and 1000/self.SoC0v or 500/self.SoC0v)* dT)--1.33*Capacity
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end
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-- Calculate battery voltage
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local batt_calc_voltage = math.max(self.StartVoltage,self.eds_eq*self.Train.VB.Value*self.Train.A56.Value,self.Train.PowerSupply.VoltageOut*self.Train.VB.Value*self.Train.A24.Value*self.Train.PowerSupply.X2_1)
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self.Voltage = batt_calc_voltage*(self.Charge/self.Capacity)
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--self.Voltage = self.StartVoltage*(self.Charge/self.Capacity)
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else
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-- Calculate discharge
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self.Current = 0--self.Train.KVC.Value*90*(self.Train.PowerSupply.XT3_1 > 0 and 3 or -1 + 4*self.Train:ReadTrainWire(27))*50*self.Train.Panel["V1"]
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--print(self.Train.Panel["V1"])
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self.Charge = math.min(self.Capacity,self.Charge + self.Current * dT)
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-- Calculate battery voltage
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if self.Train.PowerSupply then
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self.Voltage = 65*(self.Charge/self.Capacity) + ((self.Train.PowerSupply.XT3_1 or self.Charging) > 0 and 17 or 0)
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else
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self.Voltage = 65*(self.Charge/self.Capacity) + (self.Charging > 0 and 17 or 0)
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end
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end
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--print(self.eds_eq)
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end |