To Size the required ampere hour capacity of the battery and current rating of battery charger in large substations.Full description
Industrial battery sizing calculation sheet with all formulas and proceduresFull description
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Design basis consideration for Battery sizing a document by TCE.Full description
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Battery sizing calculationsFull description
The Batteries form a significant part of many electronic devices. Typical electrochemical batteries or cells convert chemical energy into electrical energy. Batteries based on the charging ability are classified into primary and secondary cells. Seco
NICKEL CADMIUM BATTERY & CHARGER SIZING CALCULATION FOR STATIONARY APPLICATIONS (ELECTRICAL SUBSTATION) AS PER IEEE STD. 1115-2000 BATTERY DATA Nominal System Voltage Maximum Allowable System Voltage Minimum Battery Voltage Design Margin Aging Factor Cell Discharge-End Voltage Number of Cells Number of Battery Bank Total Number of Cells
-6 -7 Capacity Rating Temparature Factor at t Derating Factor Minute Rate for t Minute (Tt) (Kt)
Time to End of Section
(amperes) (amperes) (minutes) Section 1 - First Period Only - If A2 is greater than A1, go to Section 2 1 320.00 A1-0 = 320 M1= 0.080 t1 = M1 = A1=
(minutes)
-8 Required Section Size (3) x (6) x (7) Rated Amp Hrs (Ah) Positive Values
=
Negative Values
0.08
0.432 Section 1
1.230 Total
170.035 170.035
Section 2 - First Two Periods Only - If A3 is greater than A2, go to Section 3 1 A1= 320.00 A1-0 = 320 M1= 0.080 t1 = M1+M2 = 2 A2= 100.00 A2-A1= -220 M2= 29.920 t2 = M2 =
30.00 29.92
1.000 1.000 Section 2
1.000 1.000 Sub Total Total
320.000 0.000 320.000 490.035
0.000 -220.000 -220.000
Section 3 - First Three Periods Only - If A4 is greater than A3, go to Section 4 1 A1= 320.00 A1-0 = 320 M1= 0.080 t1 = M1+M2+M3= 2 A2= 100.00 A2-A1= -220 M2= 29.920 t2 = M2+M3 = 3 A3= 280.00 A3-A2= 180 M3= 30.000 t3 = M3 =
60.00 59.92 30.00
1.780 1.779 1.000 Section 3
1.500 1.500 1.000 Sub Total Total
854.400 0.000 180.000 1,034.400 447.330
0.000 -587.070 0.000 -587.070
Section 4 - First Four Periods Only - If A5 is greater than A4, go to Section 5 1 A1= 320.00 A1-0 = 320.00 M1= 0.080 t1 = M1+M2+M3+M4= 2 A2= 100.00 A2-A1= -220.00 M2= 29.920 t2 = M2+M3+M4 = 3 A3= 280.00 A3-A2= 180.00 M3= 30.000 t3 = M3+M4 = 4 A4= 200.00 A4-A3= -80.00 M4= 60.000 t4 = M4 =
120.00 119.92 90.00 60.00
1.000 1.000 1.000 1.000 Section 4
1.000 1.000 1.000 1.000 Sub Total Total
320.000 0.000 180.000 0.000 500.000 200.000
0.000 -220.000 0.000 -80.000 -300.000
Section 5 - First Five Periods Only - If A6 is greater than A5, go to Section 6 1 A1= 320.00 A1-0 = 320.00 M1= 0.080 t1 = M1+M2+M3+M4+M5= 2 A2= 100.00 A2-A1= -220.00 M2= 29.920 t2 = M2+M3+M4+M5 = 3 A3= 280.00 A3-A2= 180.00 M3= 30.000 t3 = M3+M4+M5 = 4 A4= 200.00 A4-A3= -80.00 M4= 60.000 t4 = M4+M5 = 5 A5= 40.00 A5-A4= -160.00 M5= 59.420 t5 = M5 =
179.42 179.34 149.42 119.42 59.42
1.000 1.000 1.000 1.000 1.000 Section 5
1.000 1.000 1.000 1.000 1.000 Sub Total Total
320.000 0.000 180.000 0.000 0.000 500.000 40.000
0.000 -220.000 0.000 -80.000 -160.000 -460.000
Section 6 - First Six Periods Only - If A7 is greater than A6, go to Section 7 1 A1= 320.00 A1-0 = 320.00 M1= 0.080 t1 = M1+M2+M3+M4+M5+M6= 2 A2= 100.00 A2-A1= -220.00 M2= 29.920 t2 = M2+M3+M4+M5+M6 = 3 A3= 280.00 A3-A2= 180.00 M3= 30.000 t3 = M3+M4+M5+M6 = 4 A4= 200.00 A4-A3= -80.00 M4= 60.000 t4 = M4+M5+M6 = 5 A5= 40.00 A5-A4= -160.00 M5= 59.420 t5 = M5+M6 = 6 A6= 120.00 A6-A5= 80.00 M6= 0.580 t6 = M6 =
180.00 179.92 150.00 120.00 60.00 0.58
1.000 1.000 1.000 1.000 1.000 1.000 Section 6
1.000 1.000 1.000 1.000 1.000 1.000 Sub Total Total
