48Vdc Power Source Circuit
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- The document describes a circuit for charging and discharging 15 batteries connected in series. It includes specifications for the solar cell, batteries, and regulator used to charge the batteries. Simulation results are provided showing the voltage over time when charging and discharging the batteries under different conditions.
48Vdc Power Source Circuit
- 1. 48Vdc Power Source Circuit. • SPEC: – Solar cell: Vmp=14.9V, Imp=3.56A, Pmax=53W – Battery: 3.6V, 1.4Ahr. – Regulator: Vin(min)=60V, Vout=48V All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 1 Dbreak D1 + - + - S1 S VON = 0.5 VOFF = 0 V2 TD = 0 TF = 100n PW = 12 PER = 24 V1 = 0 TR = 100n V2 = 5 0 0 + U16 EH53T-02 + U17 EH53T-02 + U18 EH53T-02 + U19 EH53T-02 0 0 R3 1000MEG ROUT 3.01k 0 OUT R1 1.02k 00 Cout 1u Vout ADJ Vin U20 LR8 R2 39.72k HI 0 U1 PLUS MINUS U2 PLUS MINUS U3 PLUS MINUS U4 PLUS MINUS U5 PLUS MINUS U6 PLUS MINUS U7 PLUS MINUS U8 PLUS MINUS U9 PLUS MINUS U10 PLUS MINUS U11 PLUS MINUS U12 PLUS MINUS U13 PLUS MINUS U14 PLUS MINUS U15 PLUS MINUS
- 2. INTERNAL ERROR – Overflow, Convert. • INTERNAL ERROR – Overflow, Convert All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 2
- 3. Charge batteries 15pcs in series. • Charge current list: 1.4A, 2.4A, 3.4A All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 3 0 0 HI Dbreak D1 I1 {I1} C1 1n 0 PARAMETERS: I1 = 1.4 U1 PLUS MINUS U2 PLUS MINUS U3 PLUS MINUS U4 PLUS MINUS U5 PLUS MINUS U6 PLUS MINUS U7 PLUS MINUS U8 PLUS MINUS U9 PLUS MINUS U10 PLUS MINUS U11 PLUS MINUS U12 PLUS MINUS U13 PLUS MINUS U14 PLUS MINUS U15 PLUS MINUS
- 4. Time 0s 0.2s 0.4s 0.6s 0.8s 1.0s 1.2s 1.4s 1.6s 1.8s 2.0s V(HI) 55V 60V 65V 70V 75V Charge batteries 15pcs in series result. • Run to time: 2s • Step size: 10ms • Total job time (using Solver 1) = 1.38s All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 4 Charge current=3.4A Charge current=2.4A Charge current=1.4A • .Options ITL1= 500 • .Options ITL2= 200 • .Options ITL4= 100, Besides set default.
- 5. Charge batteries x15 model. • Charge current list: 1.4A, 2.4A, 3.4A All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 5 0 0 Dbreak D1 I1 {I1} 0 C1 1n HI PARAMETERS: I1 = 1.4 Batteries x15 in series U1 LI-ION CELL = 15 CYCLE = 0 SOC = 0 PLUS MINUS
- 6. Time 0s 0.2s 0.4s 0.6s 0.8s 1.0s 1.2s 1.4s 1.6s 1.8s 2.0s V(HI) 55V 60V 65V 70V 75V Charge batteries x15 model result. • Run to time: 2s • Step size: 10ms • Total job time (using Solver 1) = 0.23s All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 6 Charge current=3.4A Charge current=2.4A Charge current=1.4A • .Options ITL1= 500 • .Options ITL2= 200 • .Options ITL4= 100, Besides set default.
- 7. Discharge batteries 15pcs in series. • RL list: 100Ω, 500Ω, 1kΩ, 1.5kΩ All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 7 0 C1 1n ROUT {RL} 0 0 PARAMETERS: RL = 100 HI U1 PLUS MINUS U2 PLUS MINUS U3 PLUS MINUS U4 PLUS MINUS U5 PLUS MINUS U6 PLUS MINUS U7 PLUS MINUS U8 PLUS MINUS U9 PLUS MINUS U10 PLUS MINUS U11 PLUS MINUS U12 PLUS MINUS U13 PLUS MINUS U14 PLUS MINUS U15 PLUS MINUS
- 8. Time 0s 10s 20s 30s 40s 50s 60s 70s 80s 90s 100s V(HI) 0V 10V 20V 30V 40V 50V 60V 70V 80V Discharge batteries 15pcs in series result. • Run to time: 100s • Step size: 100ms • Total job time (using Solver 1) = 7.39s All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 8 RL=100Ω RL=500Ω RL=1kΩ RL=1.5kΩ • .Options ITL1= 500 • .Options ITL2= 200 • .Options ITL4= 100, Besides set default.
- 9. Discharge batteries x15 model. • RL list: 100Ω, 500Ω, 1kΩ, 1.5kΩ All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 9 U1 LI-ION CELL = 15 CYCLE = 0 SOC = 100 PLUS MINUS 0 PARAMETERS: RL = 100 ROUT {RL} 0 HI R3 1000MEG 0 C1 1n Batteries x15 in series 0
- 10. Time 0s 10s 20s 30s 40s 50s 60s 70s 80s 90s 100s V(HI) 0V 10V 20V 30V 40V 50V 60V 70V 80V Discharge batteries x15 model result. • Run to time: 100s • Step size: 100ms • Total job time (using Solver 1) = 0.94s All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 10 RL=100Ω RL=500Ω RL=1kΩ RL=1.5kΩ • .Options ITL1= 500 • .Options ITL2= 200 • .Options ITL4= 100, Besides set default.
- 11. Characteristic are equal. All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 11 Batteries x15 in series U1 LI-ION PLUS MINUS 0 HI U1 PLUS MINUS U2 PLUS MINUS U3 PLUS MINUS U4 PLUS MINUS U5 PLUS MINUS U6 PLUS MINUS U7 PLUS MINUS U8 PLUS MINUS U9 PLUS MINUS U10 PLUS MINUS U11 PLUS MINUS U12 PLUS MINUS U13 PLUS MINUS U14 PLUS MINUS U15 PLUS MINUS
- 12. U2 N = {0.1*cell} U3 N = {0.1*cell} U4 N = {5m*cell} 9 R1 {cell*(3.6*24*3600/(0.05*C*Tscale))} V1 PLUS IN- OUT+ OUT- IN+ G5 C*1e-14*exp(38*V(2,7)/(V(N)+1m)) GVALUE IN+ IN- OUT+ OUT- E4 V(OCV0)*0.99328*exp(-0.00070544*cy cle) EVALUE 0 OCV 0 MINUS 7 C2 {2k*C/Tscale} R2 {cell*0.0869/C} IN- OUT+ OUT- IN+ G1 LIMIT(V(%IN+, %IN-)/1,-100,I(V1)) GVALUE 0 N 1 C1 {36*C/Tscale} IC = {SOC} 0 IN+ IN- OUT+ OUT- E3 cell*V(OCV) EVALUE 12 0 IN+ IN- OUT+ OUT- E2 (0.5*cell)*exp(-V(SOC)/20) EVALUE 3 VMAX 100 4 U1 ETABLE 2 R5 {cell*180m/C} R4 {cell*240m/C} MINUS 0 SOC PARAMETERS: C = 1.4 Tscale = 3600 SOC = 0 cy cle = 0 cell = 15 C3 {1.5k*C/Tscale} R3 {cell*6.8/C} OCV0 MINUS Lithium-Ion Battery equivalent circuit. All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 12
- 13. Batteries x15 in series. • SPEC: – Solar cell: Vmp=14.9V, Imp=3.56A, Pmax=53W – Battery: 3.6V, 1.4Ahr. – Regulator: Vin(min)=60V, Vout=48V All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 13 HI 0 OUT ROUT 3.01k 0 R1 1.02k 0 0 Cout 1u Vout ADJ Vin U6 LR8 R2 39.72k 0 Dbreak D5 Batteries x15 in series U5 LI-ION CELL = 15 SOC = 0 PLUS MINUS + U1 EH53T-02 + U2 EH53T-02 + U3 EH53T-02 + U4 EH53T-02 + - + -S1 S VON = 0.5V VOFF = 0V 0 0 V2 TD = 0 TF = 100n PW = 12 PER = 24 V1 = 0 TR = 100n V2 = 5 0 R3 1000MEG
- 14. Charge and Discharge x15 in series result. • Run to time: 72s • Step size: 100ms • Total job time (using Solver 1) = 0.88s All Rights Reserved Copyright (C) Bee Technologies Corporation 2009 14 Time 0s 12s 24s 36s 48s 60s 72s V(HI) V(OUT) 0V 10V 20V 30V 40V 50V 60V 70V 80V (36.000,64.782) .182m,67.324) (24.000,60.094) Vin-Vout >12V Charge Discharge Charge Discharge Charge Discharge • .Options ITL1= 500 • .Options ITL2= 200 • .Options ITL4= 100, Besides set default.