ELECTRIC POWER RATINGS GUIDE

Transcription

1 ELECTRIC POWER RATINGS GUIDE Generator Sets

2 CONTENTS RATINGS GUIDE Caterpillar Diesel Ratings 4 Caterpillar Diesel Rental Ratings 9 Caterpillar Diesel Ratings Definitions 0 Caterpillar Ratings 4 Caterpillar Ratings Definitions 9 Conversion Tables 22 Note Pages 33

3 CAT GENERATOR SETS DIESEL

4 DIESEL RATINGS DIESEL RATINGS CAT 50 Hz DIESEL RATINGS CAT 50 Hz DIESEL RATINGS (CONT.) Standby kva Prime Continuous Generator Set Model 500 rpm 3406C 3406C 3406C C5 ACERT TM C5 ACERT C5 ACERT C5 ACERT C8 ACERT C8 ACERT C8 ACERT C8 ACERT C8 ACERT 342C 342C 342C C32 ACERT 3508B C32 ACERT B 352B 352B-HD 352B-HD B 356B-HD C75 C75 Configuration EU Stage II,, Low Emissions EU Stage II,, Low Emissions EU Stage II,, Low Emissions EU Stage II,, Low Emissions, Low Emissions, Low Emissions EU Stage II EU Stage II,, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions, Low Emissions Standby kva Prime Continuous Generator Set Model 000 rpm 3508B B B 6CM20 8CM20 9CM rpm CM25 8CM CM CM32 6CM rpm 6CM32 8CM32 9CM rpm 6CM43 7CM43 8CM43 9CM43 2CM43 6CM43 Configuration 4 5

5 DIESEL RATINGS DIESEL RATINGS CAT 60 Hz DIESEL RATINGS CAT 60 Hz DIESEL RATINGS (CONT.) 6 ekw Standby Prime *All ratings at.0 pf Generator Set Model Configuration Single Phase Output* 800 rpm D3-4S D7-4S D20-6S D25-8S D30-8S D40-6S D50-6S D60-8S D80-6S D00-6S D3-4 D8-4 D20-6 D25-8 D30-0 D40-6 D50-6 D60-6 D80-6 D00-6 D25-6 D50-8 D75-2 **All ratings at 0.8 pf 3-Phase Output** 800 rpm CAT 60 Hz DIESEL RATINGS (CONT.) Standby ekw Prime Continuous Generator Set Model 800 rpm 3306B 3306B C9 ACERT TM Engine C.5 C2.2 C2.2 C2.2 C2.2 C4.4 C4.4 C4.4 C4.4 C4.4 C.5 C2.2 C2.2 C2.2 C2.2 C4.4 C4.4 C4.4 C4.4 C4.4 C6.6 C6.6 C6.6 Configuration Standby (ESP) ekw Prime Continuous Note : (ESP) Emergency Standby Rating Generator Set Model 800 rpm C9 ACERT TM 3406C 3406C C5 ACERT 3406C C5 ACERT C5 ACERT C5 ACERT C5 ACERT C8 ACERT C8 ACERT C27 ACERT C27 ACERT C27 ACERT C27 ACERT C32 ACERT 3508B C32 ACERT B 352B 352C B 356C 356B 356C-HD C75-6 C75-6 Configuration,, Low Emissions,, Low Emissions,, Low Emissions EPA Tier 2,, Low Emissions EPA Tier 2,, Low Emissions EPA Tier 2, EPA Tier 2, EPA Tier 2, EPA Tier 2, EPA Tier 2, EPA Tier 2, EPA Tier 2,, Low Emissions EPA Tier 2,, Low Emissions, Low Emissions EPA Tier 2, Low Emissions EPA Tier 2 EPA Tier, EPA Tier 2, EPA Tier 2, EPA Tier 2 7

6 DIESEL RATINGS DIESEL RENTAL UNIT RATINGS CAT 60 Hz DIESEL RATINGS (CONT.) CAT 60 Hz RENTAL UNIT RATINGS Standby ekw Prime Continuous Generator Set Model 200 rpm 3508B 352B B 356B 900 rpm 6CM20 8CM20 9CM rpm CM CM25 9CM CM32 6CM rpm 6CM32 8CM32 9CM32 54 rpm 6CM43 7CM43 8CM43 9CM43 2CM43 6CM43 Configuration Standby * 300* 400* * 2000 *Available at 50Hz ekw Prime Continuous Rental Generator Model 800 rpm XQ20 XQ30 XQ45 XQ60 XQ80 XQ00 XQ230 XQ300 XQ400 XQ600 XQ000 XQ2000 Configuration EPA Tier 2 EPA Tier 2 EPA Tier 2 8 9

7 DIESEL RATINGS DEFINITIONS DIESEL RATINGS DEFINITIONS CAT DIESEL RATING DEFINITIONS: Emergency Standby Power (ESP) Output available with varying load for the duration of an emergency outage. Average power output is 70% of the standby power rating. Typical operation is 50 hours per year with maximum expected usage of 200 hours per year. Standby power in accordance with ISO8528 and ISO3046. Prime Power Output available with varying load for an unlimited time. Average power output is 70% of the prime power rating. Typical peak demand of 00% of prime-rated ekw with 0% of overload capability for emergency use for a maximum of hour in 2. Overload operation cannot exceed 25 hours per year. Prime power in accordance with ISO8528 and ISO3046. Standby Power Output available with varying load for the duration of the interruption of the normal source power. Average power output is 70% of the standby power rating. Typical operation is 200 hours per year, with maximum expected usage of 500 hours per year. Standby power in accordance with ISO8528 and ISO3046. Continuous Power Output available without varying load for an unlimited time. Average power output is 70-00% of the continuous power rating. Typical peak demand is 00% of continuous rated ekw for 00% of operating hours. Continuous power in accordance with ISO8528 and ISO

8 CAT GENERATOR SETS GAS

9 GAS RATINGS GAS RATINGS CAT 50 Hz CONTINUOUS GAS RATINGS CAT 50 Hz CONTINUOUS GAS RATINGS (CONT.) kva 000 rpm kva 500 rpm Natural G3306 NA G3306 NA G3306 TA G3306 TA G3406 NA G3408 NA G3406 TA G3408 TA G3408 TA G3408 TA G3408 TA G3408 LE G3408 LE G342 TA G342C LE G3508 LE G3508 LE G3508 LE G3508 LE G352 LE G352 LE G352 LE G352 LE G356 TA G356 LE G356 TA G356 LE G356 TA G356 LE G356 B G356 B G356 B Propane G3408 NA G3408 TA G3408 TA G3408 TA G3408 TA G356 LE G356 LE Low Energy G352 LE G356 LE kva 000 rpm kva 000 rpm kva 500 rpm kva 500 rpm Natural G3606 G3520 B G3520 B G3606 G356 C G356 C G3608 G3608 G3520 C G3520 CIM G362 G362 G362 G362 G366 G366 G366 Natural G356 B G356 B G3520 B G356 E G356 E G3520 C G3520 E Propane Low Energy G3520 CCMM CAT 50 Hz CONTINUOUS CHP GAS RATINGS Propane Low Energy 4 Note : A factory supplied generator by DTO or a customer supplied generator needed. 5

10 GAS RATINGS GAS RATINGS CAT 60 Hz STANDBY GAS RATINGS CAT 60 Hz CONTINUOUS GAS RATINGS (CONT.) kw 000 rpm CAT 60 Hz CONTINUOUS GAS RATINGS kw 200 rpm kw 800 rpm kw 800 rpm Natural G3406 NA G3406 TA G3406 TA G3406 TA G3408 TA G3408 TA G3408 TA G3408 TA G342 TA G342C LE G342 TA G342 TA G342 TA G342 TA G342 TA G342 TA G342 TA G356 LE Natural G3306 NA G3306 NA G3306 TA G3306 TA G3306 TA Propane G3408 TA G3408 TA G342 TA G342 TA Propane Low Energy Low Energy kw 200 rpm kw 800 rpm Natural G3406 NA G3406 TA G3408 TA G3408 TA G3408 TA G3408 TA G342 TA G3508 LE G3508 LE G3508 TA G342 TA G342C LE G3508 LE G3508 TA G3508 LE G3508 LE G3508 LE G352 TA G352 TA G352 TA G352 LE G352 LE G352 LE G356 TA G356 TA G356 TA G356 LE G356 LE G356 LE Propane G3408 NA G3408 TA G3408 TA G342 TA G342 TA G342 TA G356 LE G356 LE Low Energy G356 LE Note : A factory supplied generator by DTO or a customer supplied generator needed. 6 7

11 GAS RATINGS GAS RATINGS DEFINITIONS CAT 60 Hz CONTINUOUS GAS RATINGS (CONT.) CAT GAS RATING DEFINITIONS: kw 900 rpm kw 200 rpm 600 kw 800 rpm Natural G3606 G3606 G356BPM G356B G356B G3608 G3520C G356C G3608 G356C G3520C G3520C G3520CIM G362 G362 G362 G362 G362 G362 G366 G366 G366 G366 Low Energy G3520C 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 BS554. 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). ekw Generator output at 0.8 pf kva Generator output 8 9

12 CONVERSIONS RATINGS GUIDE

13 CONVERSIONS RATINGS GUIDE CONVERSIONS CONTINUED FUEL SYSTEM - DIESEL ELECTRICAL TABLES Day Tank Sizing Tank Size (gal) = Rated BSFC (lb/hp hr) x Rated HP x Load Factor (lb/gal) x Hours Between Refilling + Reserve Requirement OR Rule of Thumb for tank size with 25% reserve x Ave. BHP demand x Hours between refills x.25 = gal x Ave. BKW demand x Hours between refills x.25 = liters. To Obtain Kilowatts KVA Horsepower required when KW known (Generator) Alternating Current Single-Phase Three-Phase V x I x P.F. 000 V x I 000 KW.746 x EFF. (Gen).732 x V x I x P.F x V x I 000 KW.746 x EFF. (Gen) Direct Current V x I 000 KW.746 x EFF. (Gen) Note: Additional tank capacity required for cooling of recirculated fuel in unit-injected engines. Tank should be located below level of injectors or nozzles. KW input when HP known (Motor) HP x.746 EFF. (Mot.) HP x.746 EFF. (Mot.) HP x.746 EFF. (Mot.) On-Site Power Requirements Based on 00,000 sq ft. of office bldg., etc and 40 N. Latitudes Electric Requirements 600 kw continuous load (Air conditioning is absorption) Use three - 300kW units (2 prime and standby) Refrigeration One ton refrigeration = 200 Btu/min = 2,000 Btu/h One Boiler hp = 33,475 Btu/h One ton compressor rating = One engine hp Auxiliary air conditioning equipment requires /4 hp/ton of compressor rating Ice Plant Complete power requires 4-5 hp per daily ton capacity Air Compressor hp = /4 x cu ft m/min at 00 psi Increase bhp 0% for 25 psi Decrease bhp 0% for 80 psi 22 Air Conditioning and Compressor 400 tons prime load Use two hp engines (No Standby) Ampheres when HP known Ampheres when KW known Ampheres when KVA known Frequency (c.p.s) Reactive kva (KVAR) % Voltage Regulation HP x.746 V x P.F. x EFF. KW x 000 V x P.F. KVA x 000 V Poles x RPM 20 V x I x -(P.F.) (V NL -V FL ) V FL ELECTRICAL TABLE ABBREVIATIONS: V - voltage in volts I - current in ampheres KW - power in kilowatts (actual power) KVA - kilovolt-ampheres (apparent power) HP - horsepower RPM - revolutions per minute HP x x V x EFF. x P.F. KW x x V x P.F. KVA x x V Poles x RPM x V x I x -(P.F.) (V NL -V FL ) V FL HP x.746 V x EFF. KW x 000 V 00 (V NL -V FL ) V FL KVAR - reactive kilovolt-ampheres EFF. - efficiency as a decimal factor NL - no load FL - full load P.F. - power factor Note: DC KW = DC KVA 23

14 CONVERSIONS CONTINUED CONVERSIONS CONTINUED THREE-PHASE CONNECTION SYSTEMS REDUCED VOLTAGE STARTERS Type of Starter Motor Voltage (% Line Voltage) Line Current (% Full Voltage) Starting Current Starting Torque (% of Full Voltage) Starting Torque Full Voltage Starter Auto Transformer 80% Tap 65% Tap 50% Tap Resistor Starter Single Step (adjusted for motor voltage to be 80% of line voltage) Reactor 50% Tap 45% Tap 37.5% Tap Part Winding (lowspeed motors only) 75% Winding 80% Winding

15 CONVERSIONS CONTINUED CONVERSIONS CONTINUED COMPARISON OF REDUCED VOLTAGE STARTING METHODS ENGINE ROOM VENTILATION Characteristic Autotransformer Primary Resistor Reactor Two-Step Part Winding Starting Line Current at Same Motor Terminal Voltage Least More than autotransformer type Starting Power Factor Low High* Low Low Power Draw from Line During Starting Low More than autotransformer type Torque Increases slightly with speed Increases rapidly with speed Increases slightly with speed Smoothness of Acceleration Motor momentarily disconnected from line from start to run Smooth. Transfer made with little change in motor terminal voltage Smooth Relative Cost Average Lower in small sizeotherwise Average Less than others equal Ease of Control Same Same Same No provision for adjustment of starting current Engine room ventilation can be estimated by the following formulas, assuming 00 F (38 C) ambient air temperature: Maintenance Same Same Same Less than others V (cfm) = H + Engine Combustion Air x 0.24 x T Line Disturbance Varies with conditions and type of load More than others V (m 3 /min) = H + Engine Combustion Air.099 x 0.07 x T *Resistor starting adds considerable kw load to generator set. Total power required includes the motor kw and the kw which is lost as heat in the resistor. The series resistors account for a higher than normal starting power factor. V = Ventilation air (cfm) (m 3 /min). H = Heat radiation (Btu/min) (kw). T = Permissible temperature rise in engine room ( F) ( C). Density of air at 00 F = lb/cu ft (.099 kg/m 3 ). Specific heat of air = 0.24 Btu/ F (0.07 kw/ C)

16 CONVERSIONS CONTINUED CONVERSIONS CONTINUED CONVERSION FACTORS CONVERSION FACTORS Unit mm in ft yd m km mi mm Unit mm 2 in 2 m 2 ft 2 in mm ft yd Area in m m km ft mi sq mile = 640 acres cir mil = x 0-7 in 2 cir mil = x 0-6 cm 2 acre = 4840 yd 2 cir mil =.7854 x mils 2 Unit Kilogram Ounce Pound Short Ton Long Ton Metric Ton Kilograms ,06,000 Ounces Avoirdupois ,000 35,840 35,300 Length Weight Pounds Avoirdupois ,000 2,240 2,205 Short.2.02 Tons Long Metric Unit U.S. gpm million gal/day ft 3 /s m 3 /h L/s U.S. gal/min Flow million U.S. gal/day Energy ft 3 /s m 3 /h Therm =,000,000 Btu Btu/ft 3 = kg-cal/m 3 Btu/ft 2 /min = Watts/in 2 Btu/lb =.5556 kg-cal/kg L/s MCFD = 000 ft 3 /day MMCFD =,000,000 ft 3 /day lb/bhp-hr x = g/kw-hr Unit BTU Calorie Foot-Pound Joule Kilocalorie Therm BTU ,000 Cal ft-lb J Kcal Therm grain = gram 28 29

17 CONVERSIONS CONTINUED CONVERSIONS CONTINUED CONVERSION FACTORS CONVERSION FACTORS Volume and Capacity Volume and Capacity Unit in 3 ft 3 yd 3 mm 3 m 3 U.S.gal lmp gal liter acre-ft in x ft x yd mm ,000,000, m U.S. gal x lmp gal x liter x board-foot = 44 in 3 bushel =.244 ft 3 bushel = 4 pecks Power Unit Btu/min ft-lb/min Horsepower Joules/min Metric hp Kilowatt Watt Btu/min ft-lb/min hp J/min Metric hp kw W Pressure and Head Unit mm/hg in./hg in. H 2 0 ft. H 2 0 lb/in 2 kg/cm 2 bar kpa mm/hg (0 C) in./hg (0 C) in. H20 (60 F) ft. H20 (60 F) lb/in kg/cm bar Atmospheres 0.4Pa (4.7 psi) kpa

18 CONVERSIONS CONTINUED NOTES RATINGS GUIDE CONVERSION FACTORS Temperature Conversion F = (.8 x C) + 32 C = ( F - 32) Angle quadrant = 90 degrees quadrant =.57 radians radian = 57.3 degree = 60 minutes minute = 2.9 x 0 radians Identifying Code Letters on AC Motors NEMA Code Letter A B C D E F G H J K L M N P R S T U V Starting skva/hp Note: Code letters apply to motors up to 200 HP

19 NOTES NOTES

20 NOTES

21 To find your nearest dealer go to: LEXE June Caterpillar All Rights Reserved Printed in USA CAT, CATERPILLAR, their respective logos, ACERT, ADEM, "Caterpillar Yellow" and the POWER EDGE trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.