镍镉蓄电池根据IEEE1115计算的30KVA UPS带电120分钟示例,直流母线384VDC

Battery Sizing Report

 

 

Project:30KVA UPS

Company:CHDY

Date:2022-09-13

Cell Mfg: Changhong

Sized by: CH

Conform:IEEE1115

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Input Parameters

 

 

Max. System Voltage(V)

480

Min. System Voltage(V)

320

Voltage Depression(V)

0

Charging Voltage Per Cell(V)

1.5

Cell End Voltage(V)

1

Ambient Temperature(°C)

20 ~ 20

Aging Factor

1.25

Design Margin

1.15

Power Factor

0.8

Inverter Efficiency

93%

Power duty cycle

 

 

(1)

Period

(2)

Load (KWorKVA)

(3)

Change in Load (KWorKVA)

(4)

Duration or Period (minutes)

(5)

Time to end of section (minutes)

(6)

Kt

(7)

Tt

(8)

Required SectionSize (3)x1000/Min

.VxPF/IEx(6)

x(7)

Section1---if A2 is greater than A1 go to Section2

1

A1=30

A1- A0=30

M1=120

t=M1=120

2.1

1

169.35

 

total=169.35

Calculation

Required Capacity = [Required SectionSize(8) + rndSize] × Design Margin × Aging Factor

= [169.35 + 0] × 1.15 × 1.25

=243.45 Ah

Reverese:Number of Cells =[ Min. System Voltage + Voltage Depression ]/Final Voltage

=[320V + 0V]/1V

=320

 

Cell Selected

Selection : KPM245

Battery Selected :1 ×320 KPM245

 

 

 

 

 

 

 

Performance Data

 

Technical Data for Battery

Cell Type: KPM245

 

Discharge current in amperes at 20 deg. C for fully charged cell

 

End voltage=1.14V/Cell

 

Model

C5

Hours

Mins

Secs

AH

10

8

5

3

2

1.5

1

30

20

15

10

5

1

30

5

1

KPM245

245

23.7

29.4

46.1

62.5

79.2

94.7

111

142

163

178

202

242

339

377

436

449

 

End voltage=1.1V/Cell

 

Model

C5

Hours

Mins

Secs

AH

10

8

5

3

2

1.5

1

30

20

15

10

5

1

30

5

1

KPM245

245

24.3

30.1

47.8

71.3

92.3

110

138

178

206

222

251

300

419

467

552

589

 

End voltage=1.05V/Cell

 

Model

C5

Hours

Mins

Secs

AH

10

8

5

3

2

1.5

1

30

20

15

10

5

1

30

5

1

KPM245

245

24.7

30.6

48.5

79.1

103

125

165

220

249

275

313

372

516

581

686

739

 

End voltage=1V/Cell

 

Model

C5

Hours

Mins

Secs

AH

10

8

5

3

2

1.5

1

30

20

15

10

5

1

30

5

1

KPM245

245

24.8

30.9

49

80.1

117

141

183

259

303

332

375

454

633

709

846

896

 

2023年12月5日 10:33