Cat Generator Sets Ratings Guide - 11 / 20 Pages

19
GAS
ratings definitions
CAT GAS RATING DEFINITIONS
Standby Power
These ratings are applicable for supplying continuous electrical
power (at variable load) in the event of a utility power failure. No
overload is permitted on these ratings. Natural gas ratings have been
established on natural gas with net calorific Low Heat Value (LHV) of
approximately 35.6 MJ/m3 (905 Btu/ft3) and 80 methane number (MN).
Continuous Power
Output available without varying load for an unlimited time.
Continuous power in accordance with ISO8528, AS2789, and BS5514.
Natural gas ratings have been established on natural gas with net
calorific Low Heat Value (LHV) of approximately 35.6 MJ/m3
(905 Btu/ft3) and 80 methane number (MN).
GAS 60 Hz
18
CAT 60 Hz CONTINUOUS
GAS RATINGS, 1155 kW - 6520 kW
kW
1200 rpm





1600
















kW
1800 rpm


1300
1400



1660
1900
2055
2055











Low Energy
Gas





G3520C †, †††
















Natural
Gas
G3606
G3606
G3516B
G3516B
G3608
G3520C
G3608
G3516C
G3520C
G3520C
G3520C IM*
G3612
G3612
G3612
G3612
G3612
G3612
G3616
G3616
G3616
G3616
G16CM34
kW
900 rpm
1155
1235


1540

1640




2310
2315
2335
2465
2595
2615
3080
3105
3285
3480

kW
720 rpm





















6520
*IM Island Mode
† Landfill
††† Non-Landfill Biogas

Cat Generator Sets Ratings Guide
  1. P. 1

  2. P. 6

    9DIESELrental power ratingsCAT 60 Hz RENTAL POWER RATINGS, 18 ekW - 2000 ekWPrime1827415470901582102753655459109109101825Continuous–––––––––––––––ConfigurationEPA...
  3. P. 7

    11DIESELratings definitionsPrime PowerOutput available with varying load for an unlimited time. Averagepower output is 70% of the prime power rating. Typical...
  4. P. 8

    CAT GENERATOR SETSgas
  5. P. 9

    15GAS50 HzCAT 50 Hz CONTINUOUSGAS RATINGS, 1606 kVA - 8150 kVACAT 50 Hz CONTINUOUS CHPGAS RATINGS, 1380 kVA - 2500 kVAkVA1500 rpm––1944194419751986––24382458––––––––NaturalGasG3606G3606G3516C...
  6. P. 10

    17GAS60 HzCAT 60 Hz CONTINUOUSGAS RATINGS, 150 kW - 820 kWkW1800 rpm150177190191350–––375375––––––––––––––––––––NaturalGasG3406...
  7. P. 11

  8. P. 12

    CONVERSIONSratings guide
  9. P. 13

    23CONVERSIONSELECTRICAL TABLESSingle-PhaseV x I x P.F.1000V x I1000kW.746 x EFF. (Gen)HP x .746EFF. (Mot.)HP x .746V x P.F. x EFF.kW x 1000V x P.F.kVA...
  10. P. 14

    25CONVERSIONSREDUCED VOLTAGE STARTERSType of StarterFull Voltage StarterAuto Transformer• 80% Tap• 65% Tap• 50% TapResistor StarterSingle...
  11. P. 15

    27CONVERSIONSENGINE ROOM VENTILATIONEngine room ventilation can be estimated by the following formulas,assuming 100°F (38°C) ambient air temperature:V...
  12. P. 16

    29CONVERSIONSCONVERSION FACTORSU.S.gal/min1694.5448.84.40315.85million U.S.gal/day0.001 44010.06460.006 340.0228ft3/s0.002 231.54710.009 810.0353m3/h0.2270157.73101.913.60L/s0.063143.828.320.27781FlowUnitU.S....
  13. P. 17

  14. P. 18

  15. P. 19

  16. P. 20

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