LG Electronics 10 Actual Power Rating Calculations, Formulas to Calculate Actual Power Ratings

Page 17

LG-10 thru LG-30 - User Manual

Electro-Steam Generator Corp.

4.4) ACTUAL POWER RATING CALCULATIONS

Because the HEATER VOLTAGE RATINGS only come in 4 different voltages, and there are so many different voltages in the field, the TOTAL POWER RATING is only completely accurate if the VOLTAGE IN is exactly equal to the HEATER VOLTAGE RATING. This means, in most cases, the TOTAL POWER RATING is not completely accurate. The AMERAGE and INPUT VOLTAGE can be used to calculate the ACTUAL POWER RATING.

FORMULAS TO CALCULATE ACTUAL POWER RATINGS

THREE PHASE

SINGLE PHASE

DEFINITIONS:

 

 

 

 

PA

= Actual Power Rating

 

 

I

= Amperage

 

 

 

VI

= Input Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACTUAL POWER RATING CALCULATIONS (KW)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

 

208

220

230

240

380

400

 

415

425

440

460

480

550

575

600

LG-10

 

10

11.2

9.18

10

11.1

9.26

 

9.97

10.5

8.4

9.18

10

8.4

9.18

10

LG-15

 

15

13.7

15

16.3

16.7

15.1

 

16.3

17.1

12.6

13.8

15

12.6

13.8

15

LG-20

 

19.5

17.8

19.5

21.2

21.7

19.7

 

21.2

22.2

16.4

17.9

19.5

16.4

17.9

19.5

LG-25

 

23.6

26.4

23

25

26.3

29.1

 

24.9

26.1

21

23

25

21

23

25

LG-30

 

29.3

32.7

26.9

29.3

32.5

27.1

 

29.2

30.6

24.6

26.9

29.3

24.6

26.9

29.3

4.5) STEAM CAPACITY CALCULATIONS

Steam Capacity Calculations are based on the impossible feed water temperature of 212°F. WARNING – Anything above 140°F will cause damage to water solenoid and pump.

NET STEAM CAPACITY CALCULATIONS

MODEL

 

Feed Water

Feed Water

Feed Water

Feed Water

UNIT

 

@ 212°F

@ 140°F, 90% of 212°F

@ 100°F, 80% of 212°F

@ 60°F, 75% of 212°F

LG-10

34.5

LB/hr - 15.7 Kg/hr

31.1 LB/hr – 14.1 Kg/hr

27.6 LB/hr – 12.5 Kg/hr

25.9 LB/hr – 11.8 Kg/hr

LG-15

51.7

LB/hr - 23.5 Kg/hr

46.5 LB/hr – 21.1 Kg/hr

41.4 LB/hr – 18.8 Kg/hr

38.8 LB/hr – 17.6 Kg/hr

LG-20

69.0

LB/hr - 31.3 Kg/hr

62.1 LB/hr – 28.2 Kg/hr

55.2 LB/hr – 25.0 Kg/hr

51.8 LB/hr – 23.5 Kg/hr

LG-25

86.0

LB/hr - 39.0 Kg/hr

77.4 LB/hr – 35.1 Kg/hr

68.8 LB/hr – 31.2 Kg/hr

64.5 LB/hr – 29.3 Kg/hr

LG-30

103.5 LB/hr - 47.0 Kg/hr

93.2 LB/hr – 42.3 Kg/hr

82.8 LB/hr – 37.6 Kg/hr

77.6 LB/hr – 35.2 Kg/hr

17 of 33

Image 17
Contents LG-10 thru LG-30 HO T Table of Contents Little Giant LG-SERIES Installation InstructionsOperation & Sequence of Events Important Read Installation Instructions Before OperatingManual Blow Down Cleaning & MaintenanceCleaning Water Level Probes Cleaning or Replacing Heaters Cleaning Water Level ProbesBrass Sight Glass Standard Replacing Glass Gauge & Rubber Washers or Glass PackingsBrass Sight Glass Seismic Replacing Glass Gauge & Rubber Washers or Glass PackingsAfter Chamber CHEMICAL/ACID TreatmentBefore Chamber CHEMICAL/ACID Treatment Reinstall Safety Valve #18 and close Manual Drain #19Definitions Pressure Control Data SheetSetting Pressure Controls Instuctions Setting the Pressure Controls80 PSI 85 PSI Setting the Pressure Controls25 PSI 27 PSI 11 PSI 13.5 PSIHeater Power & Voltage Ratings Calculations and Data SheetsTotal Power Rating Calculations Available Heater RatingsSingle Phase AMP Draw Calculations Amps Three Phase AMP Draw Calculations AmpsAmperage Calculations Formulas to Calculate AmperageFormulas to Calculate Actual Power Ratings Actual Power Rating CalculationsActual Power Rating Calculations KW Steam Capacity CalculationsParts Legend LG L Parts Legend LG LParts Legend LG Lmafd Parts Legend LG H Parts Legend LG HParts Legend LG Hmafd Parts Legend LG HmafdDrawing Title Installation Data LG L Installation DataInstallation Data LG Lmafd LG H Drawing Title Installation Data LG HInstallation Data LG Hmafd Grnd Probe Lengths121-010-030-111110 ON/OFF Toggle Switch 121-010-030-111210 33-13.33KW Heaters can be 3PH 10-30KW1PH 10KW 1PH 10-25KW Drawing Title Heaters LG Single PhaseDrawing Title Heaters LG 10-30 3PH 10-30KWELECTRO-STEAM Generator Corporation Limited Warranty

10, 30 specifications

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