ELECTRIC POWER RATINGS GUIDE Generator Sets Ratings Guide.pdfELECTRIC POWER RATINGS GUIDE Generator...

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ELECTRIC POWER RATINGS GUIDE Generator Sets ELECTRIC POWER RATINGS GUIDE Generator Sets DATA CENTER SOLUTIONS For More Information: (866) 787-3271 [email protected]

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Page 1: ELECTRIC POWER RATINGS GUIDE Generator Sets Ratings Guide.pdfELECTRIC POWER RATINGS GUIDE Generator Sets ELECTRIC POWER RATINGS GUIDE Generator Sets DATA CENTER SOLUTIONS For More

ELECTRIC POWERRATINGS GUIDEGenerator Sets

ELECTRIC POWERRATINGS GUIDEGenerator Sets

DATA CENTER SOLUTIONS

For More Information:(866) [email protected]

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CONTENTSRATINGS GUIDE

Cat® Diesel Generator Sets

50 Hz Ratings 4

60 Hz Ratings 6

Rental Power Ratings 9

Definition of Diesel Ratings 10

Cat Gas Generator Sets

50 Hz Ratings 14

60 Hz Ratings 15

Definition of Gas Ratings 17

EMCP 4 20

Systems Products 24

Conversion Tables 28

Product Support Definitions 39

Product Support – Customer Support Agreements 40

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CAT® GENERATOR SETSDIESEL

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DIESEL 50 HZ

4

CAT® 50 Hz DIESEL RATINGS, 275 kVA – 4000 kVA

Prime

275320365365410455500550600635680725810

10001150127513601500160017001825200022752725

2825* 3600*

Continuous

––––––– ––– –––

910100012061320

–1500

–1600175020002500

2600* 3250*

Configuration

Low BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFC

EU Stage II, Low BSFCLow BSFCLow BSFCLow BSFCLow BSFC

Low BSFC, Low EmissionsLow BSFCLow BSFC

Low BSFC, Low EmissionsLow BSFC, Low EmissionsLow BSFC, Low EmissionsLow BSFC, Low Emissions

Low BSFCLow BSFC, Low EmissionsLow BSFC, Low Emissions

Low BSFCLow BSFCLow BSFC

Generator SetModel

3406C3406C3406C

C15C15C15C15C18C18C18

3412C3412C3412C

C3235123512

3512B3512B

3512B-HD3512B-HD

35163516B

3516B-HDC175-16C175-16C175-20

1500 rpmStandby

300350400400450500550605660700750800900

11001250140015001600175018752000225025003000

3100* 4000*

kVA

*Rating does not include package mounted radiator

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DIESEL50 HZ

CAT 50 Hz DIESEL RATINGS, 2200 kVA – 17463 kVA

Prime

2425325048506500

1963260039255200

––

–––

––––––

Continuous

2200293844005875

177523633550472569889313

345646565238

6550763887259825

1309417463

Configuration–

Low BSFCLow BSFCLow BSFCLow BSFC

–Low BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFC

Low BSFCLow BSFCLow BSFC

Low BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFC

Generator Set Model

3606360836123616

3606360836123616

12CM3216CM32

6CM328CM329CM32

6CM437CM438CM439CM4312CM4316CM43

1000 rpmStandby

2688357553757150

2163286343255725

––

–––

––––––

kVA

750 rpm

600 rpm

500 rpm

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DIESEL 60 HZ

6

CAT 60 Hz DIESEL RATINGS, 12 ekW – 175 ekW

Engine

C1.5C2.2C2.2C2.2C4.4C4.4C4.4C4.4C4.4

C1.5C2.2C2.2C2.2C2.2C4.4C4.4C4.4C4.4C4.4C6.6C6.6C6.6

Configuration

EPA Tier 4 FinalEPA Tier 4 FinalEPA Tier 4 FinalEPA Tier 4 Final

ESEESEESEESEESE

EPA Tier 4 FinalEPA Tier 4 FinalEPA Tier 4 FinalEPA Tier 4 FinalEPA Tier 4 Final

ESEESEESEESEESEESEESEESE

Single Phase Output* 1800 rpmStandby

12.118

21.223.336

37.146.660.477.3

131820253040506080

100125150175

ekW

3-Phase Output** 1800 rpm

Prime

180210225 225

Continuous

––––

Configuration

ESELow BSFCLow BSFC

ESE

Generator Set Model

C93306B3306B

C9

1800 rpmStandby

200230250250

ekW

CAT 60 Hz DIESEL RATINGS, 180 ekW – 250 ekW

Available only for North America

Prime

11.21720223435445773

12161822273645557290

114136158

Generator SetModel

D13SD20SD25SD30SD40SD50SD60SD80S

D100S

D13D18D20D25D30D40D50D60D80

D100D125D150D175

(ESE) EPA Emergency Stationary Exempt

*All ratings at 1.0 pf **All ratings at 0.8 pf (ESE) EPA Emergency Stationary Exempt

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DIESEL60 HZ

CAT 60 Hz DIESEL RATINGS, 275 ekW – 4000 ekW

Prime

275275320320365365410455–

500545591591635635680680725725910

10001135127513601360160018251825

–22502725

2825* 3600*

Continuous

–––––––––– –––––– –––

830890

1010123012301230145016401650

–20502500

2600* 3250*

Configuration

ESELow BSFCLow BSFC

ESE, Low BSFC Low BSFC

ESE, Low BSFC ESE, Low BSFC

EPA Tier 4 Interim, ESE, Low BSFCESE, Low BSFC ESE, Low BSFC ESE, Low BSFC ESE, Low BSFC

Low BSFCESE, Low BSFC

Low BSFCESE, Low BSFC

Low BSFCEPA Tier 4 Interim, ESE, Low BSFC

Low BSFCESE, Low BSFC

Low BSFCLow BSFC

Low BSFC, Low EmissionsLow BSFC, Low Emissions

ESELow BSFC

Low BSFC, Low EmissionsESE

Low BSFCESE

EPA Tier 4 Interim, ESE, Low BSFC EPA Tier 4 Interim, ESE, Low BSFC

ESE, Low BSFC

Generator Set Model

C93406C3406C

C153406C

C15C15C15C15C18C18C27

3412CC27

3412CC27

3412CC27

3412CC3235123512

3512B3512B3512C3516

3516B3516C3516B

3516C-HDC175-16C175-16C175-20

1800 rpmStandby

300300350350400400450500

550 (ESP)550600650650700700750750800800

100011001250140015001500175020002000225025003000

3100* 4000*

ekW

(ESE) EPA Emergency Stationary Exempt (ESP) Emergency Standby Rating *Rating does not include package mounted radiator

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DIESEL 60 HZ

8

CAT 60 Hz DIESEL RATINGS, 1650 ekW – 13970 ekW

Prime

1820242036404840

1525202030504040

––

–––

––––––

Continuous

1650220033004400

137518302750366055907450

276537254190

5240611069807860

1047513970

Configuration

Low BSFCLow BSFCLow BSFCLow BSFC

Low BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFC

–Low BSFCLow BSFCLow BSFC

Low BSFCLow BSFCLow BSFCLow BSFCLow BSFCLow BSFC

Generator SetModel

3606360836123616

3606360836123616

12CM3216CM32

6CM328CM329CM32

6CM437CM438CM439CM4312CM4316CM43

900 rpm

ekW

720 rpm

600 rpm

514 rpm

Standby

2000266040005320

1680220033604400

––

–––

––––––

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DIESELRENTAL POWER RATINGS

CAT 60 Hz RENTAL POWER RATINGS, 18 ekW – 1250 ekW

Prime

1827415490

182320455725–

Continuous

–––––––––

1250

Configuration

EPA Tier 4 InterimEPA Tier 4 Interim

EPA Tier 3EPA Tier 3EPA Tier 3

EPA Tier 4 InterimEPA Tier 4 InterimEPA Tier 4 InterimEPA Tier 4 Interim

EPA NSPS SI Capable

Rental Generator Model

XQ20XQ30XQ45XQ60XQ100XQ200XQ350XQ500XQ800

XQ1250G

1800 rpmStandby

2030

45* 60*

100*200350500800–

ekW

*Subject to availability

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DIESEL RATINGS DEFINITIONS

10

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 emergency 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. Fuel stop power in accordance with ISO3046.

Standby PowerOutput 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. Fuel stop power in accordance with ISO3046.

Mission Critical Standby PowerOutput available with varying load for the duration of the interruption of the normal source power. Average power output is 85% of the standby power rating. Typical operation is 200 hours per year, with maximum expected usage of 500 hours per year. Fuel stop power in accordance with ISO3046.

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DIESELRATINGS DEFINITIONS

Prime PowerOutput available with varying load for an unlimited time. Average power output is 70% of the prime power rating. Typical peak demand of 100% of prime-rated ekW with 10% of overload capability for emergency use for a maximum of 1 hour in 12. Overload operation cannot exceed 25 hours per year. Prime power in accordance with ISO8528. Fuel stop power in accordance with ISO3046.

Load ManagementOutput available with varying load for maximum 500 hours a year. Average power output is 100% of the prime power rating. Typical peak demand of 100% of prime-rated ekW. Overload operation not available. Load Management power in accordance with ISO8528. Fuel stop power in accordance with ISO3046.

Continuous PowerOutput available without varying load for an unlimited time. Average power output is 70 – 100% of the continuous power rating. Typical peak demand is 100% of continuous rated ekW for 100% of operating hours. Continuous power is in accordance with ISO8528. Fuel stop power in accordance with ISO3046.

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CAT GENERATOR SETSGAS

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GAS 50 HZ

14

CAT 50 Hz CONTINUOUS – GAS RATINGS, 66 kW – 6520 kWkW

720 rpmkW

1000 rpmkW

1500 rpm Natural Gas Biogas– – 66 – G3306 NA– – 86 G3306 NA* –– – 107 – G3406 NA– – 115 G3306 TA* –– – 126 G3406 NA* –– – 166 G3406 TA* –– – 174 – G3412 NA– – 282 G3412 TA* –– – 374 3412C –– – 400 CG132–8 CG132–8– – 485 G3508 –– – 600 CG132–12 CG132–12– – 731 G3512 –– – 777 G3512 –– – 800 CG132–16 CG132–16– – 983 G3516 –– – 1017 G3512E –– – 1041 – G3516– – 1088 G3516 –– – 1105 – G3516– – 1200 CG170–12 CG170–12– – 1211 G3512E –– – 1560 CG170–16 CG170–16– – 1603 G3516E –– – 1605 G3516C –– 1722 – G3608 –– – 1976 G3520C –– – 1982 G3520C G3520C– – 2000 CG170–20 CG170–20– – 2010 G3520C –– – 2039 G3520E –– 2582 – G3612 –– 2830 – – CG260–12– 3333 – CG260–12 –– 3440 – G3616 –– 3770 – – CG260–16

4300 – CG260–16 –6520 – – G16CM34 –

Ratings at ISO3046/1 conditions. SCAC Temp = 40-53°C (104-127°F). PF = 1.0.Natural Gas at 35.6 MJ/N·m3 (905 Btu/ft3), MN = 80.Biogas (Landfill, Sewage, Digester Gas) at 18.0-23.6 MJ/N·m3 (457-600 Btu/ft3) and MN = 130-134.

NA = Naturally Aspirated, Stoichiometric Engine: *Catalyst Rating AvailabilityTA = Turbocharged & Aftercooled, Stoichiometric Engine: *Catalyst Rating AvailabilityAll other engines: Lean Burn

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GAS60 HZ

CAT 60 Hz STANDBY – GAS RATINGS, 235 kW – 1040 kWkW

1800 rpm Natural Gas235 G3406 TA*450 G3412 TA*

1040 G3516

Ratings at ISO3046/1 conditions. SCAC Temp = 53°C (127°F). Standby ratings at PF = 0.8.Natural Gas at 35.6 MJ/N·m3 (905 Btu/ft3), MN = 80. Contact dealer for LPG or Propane ratings.Biogas (Landfill, Sewage, Digester Gas) at 18.0-23.6 MJ/N·m3 (457-600 Btu/ft3) and MN = 130-134.

NA = Naturally Aspirated, Stoichiometric Engine: *Catalyst Rating AvailabilityTA = Turbocharged & Aftercooled, Stoichiometric Engine: *Catalyst Rating AvailabilityAll other engines: Lean Burn

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GAS60 HZ

16

CAT 60 Hz CONTINUOUS – GAS RATINGS, 76 kW – 6520 kWkW

720 rpmkW

900 rpmkW

1200 rpmkW

1500 rpmkW

1800 rpm Natural Gas Biogas– – – – 76 – G3306 NA– – – – 87 G3306 NA –– – – – 104 G3306 NA* –– – – – 137 – G3406 NA– – – – 143 G3306 TA* –– – – – 155 G3406 NA* –– – – – 192 G3406 TA* –– – – – 194 – G3412 NA– – – – 217 G3406 TA* –– – – – 253 G3412 NA* –– – 373 – – G3508 TA* –– – – – 400 CG132–8 CG132–8– – – – 403 G3412 TA* –– – – – 453 G3412C –– – 564 – – G3512 TA* –– – 581 – – G3512 –– – – – 600 CG132–12 CG132–12– – 779 – – G3516 –– – – – 800 CG132–16 CG132–16– – 824 – – – G3516– – 945 – – – G3516– – – 1084 – – G3516– – – 1200 – CG170–12 CG170–12– – 1312 – – G3516B –– 1549 – – – G3608 –– – – 1550 – CG170–16 CG170–16– – 1626 – – G3520C G3520C– – – – 1663 G3516C –– – – 2000 – CG170–20 CG170–20– – – 2026 – G3520E –– – – – 2077 G3520C –– 2347 – – – G3612 –– 2530 – – – – CG260–12– 3000 – – – CG260–12 –– 3121 – – – G3616 –– 3370 – – – – CG260–16– 4000 – – – CG260–16 –

6520 – – – – G16CM34 –

Ratings at ISO3046/1 conditions. SCAC Temp = 40-53°C (104-127°F). PF = 1.0.Natural Gas at 35.6 MJ/N·m3 (905 Btu/ft3), MN = 80.Biogas (Landfill, Sewage, Digester Gas) at 18.0-23.6 MJ/N·m3 (457-600 Btu/ft3) and MN = 130-134.

NA = Naturally Aspirated, Stoichiometric Engine: *Catalyst Rating AvailabilityTA = Turbocharged & Aftercooled, Stoichiometric Engine: *Catalyst Rating AvailabilityAll other engines: Lean Burn

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GASRATINGS DEFINITIONS

CAT GAS RATING DEFINITIONS

Standby PowerOutput 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. Fuel stop power in accordance with ISO3046.

Continuous PowerOutput available without varying load for an unlimited time. Average power output is 70-100% of the continuous power rating. Typical peak demand is 100% of continuous rated ekW for 100% of operating hours. Continuous power is in accordance with ISO8528. Fuel stop power in accordance with ISO3046.

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EMCP 4

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EMCP 4.1The EMCP 4.1 provides basic engine controls – stop/run/auto push button controls, cycle crank, and cool down timer. The 3.8 inch graphical display supports multiple languages, including character languages such as Chinese, Arabic, Russian, and Japanese. The EMCP 4.1 provides monitoring of generator electrical output, including AC voltage, current, and frequency, and mechanical information such as oil pressure, oil temperature, coolant temperature, engine speed, and battery voltage. It also provides a number of protective functions, such as warnings and shutdowns for over/under voltage, over/under frequency, low oil pressure, high coolant temperature, low coolant level, failure to start, and overspeed.

EMCP 4.2The EMCP 4.2 builds on the features of the EMCP 4.1 controller, offering expanded generator set protection and monitoring, such as generator kW, kVA, and kW-hr.

Flexibility is also increased with the addition of a modbus RTU communication port, remote annunciator modules, and expansion I/O modules to allow the EMCP 4 system to be configured to meet site specific design requirements.

With the additional monitoring and expansion modules available, the EMCP 4.2 is designed to provide control and protection for critical installations, such as NFPA-110 Level 1 applications.

EMCP 4

CAT EMCP 4

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21

EMCP 4.3The EMCP 4.3 further expands the EMCP 4 product line with the addition of 5.5 inch graphical display and additional context specific navigation keys.

With the addition of a modbus TCP port, the EMCP 4.3 controller can be easily integrated into complex systems requiring complete generator set monitoring.

EMCP 4.4The EMCP 4.4 builds on the EMCP 4.3 functionality with the addition of fully automatic multi generator set paralleling. The EMCP 4.4 provides all of the functions required to automatically parallel generator sets, including dead bus arbitration, automatic or manual modes of operation, and load sharing (real and reactive). The EMCP 4.4 can also be configured to automatically cycle generator sets on line and off line based on the site load.

EMCP 4

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SYSTEMS PRODUCTS

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Paralleling Switchgear50 Hz & 60 HzFully customizableBreaker Based – 220V to 27 kVColor Touchscreen (HMI) ControlsTypical applications: Emergency Standby Utility Paralleling Load Management Prime Power

EPIC (Engine Paralleling and Integration Control)Generator Set Paralleling Controls (customer supplied electrically operated breaker)Color Touchscreen (HMI) ControlsField expandableTypical applications: Emergency Standby Utility Paralleling Load Management

XLM1 (Emergency Transfer and Load Management)Parallels a single genset to a single utilityCustomer ConfiguredColor Touchscreen (HMI) ControlsTypical applications: Emergency Standby Utility Paralleling Load Management

SYSTEMS PRODUCTS

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25

50 Hz

Output kVA Parallel Capable UPS Model UPS TypeEnergy Storage

60-120 Y UPSB125 Double Conversion Battery160-500 Y UPSB505 Double Conversion Battery

250 N UPS250i Line Interactive Flywheel250-500 Y UPS500iG Line Interactive Flywheel

750-1000 Y UPS1000iZ Line Interactive Flywheel

60 Hz

Output kVA Parallel Capable UPS Model UPS TypeEnergy Storage

40-130 Y UPSB130 Double Conversion Battery150-225 Y UPSB220 Double Conversion Battery300-500 Y UPSB500 Double Conversion Battery

555-1100 Y UPSB1100 Double Conversion Battery300 N UPS300 Line Interactive Flywheel

300-600 Y UPS600G Line Interactive Flywheel900-1200 Y UPS1200Z Line Interactive Flywheel

ATSAmp Rating Poles Model Type

40-4000 2,3,4 MX Contactor40-1200 2,3,4 ATC Contactor30-1000 2,3,4 ATC MCCB & MCS

200-5000 2,3,4 ATC Power Breaker

Operating Modes: Open Transition Closed Transition Delayed Transition Bypass Isolation

SYSTEMS PRODUCTS

UPS

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CONVERSIONSRATINGS GUIDE

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CONVERSIONS

28

FUEL SYSTEM – DIESEL

Day Tank Sizing

Tank Size (gal) = Rated BSFC (lb/hp•hr) x Rated HP x Load Factor 7.076 (lb/gal)

x Hours Between Refilling+ Reserve Requirement

ORRule of Thumb for tank size with 25% reserve0.056 x Ave. BHP demand x Hours between refills x 1.25 = gal.0.27 x Ave. BKW demand x Hours between refills x 1.25 = liters.

Note: Additional tank capacity required for cooling of recirculated fuel in unit-injected engines. Tank should be located below level of injectors or nozzles.

On-Site Power RequirementsBased on 100,000 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 1 standby)

Refrigeration • One ton refrigeration = 200 Btu/min = 12,000 Btu/h • One Boiler hp = 33,475 Btu/h • One ton compressor rating = One engine hp • Auxiliary air conditioning equipment requires 1/4 hp/ton of compressor rating

Ice Plant • Complete power requires 4-5 hp per daily ton capacity

Air Compressor • hp = 1/4 x cu ft m/min at 100 psi Increase bhp 10% for 125 psi Decrease bhp 10% for 80 psi

• Air Conditioning and Compressor 400 tons prime load Use two – 200 hp engines (No Standby)

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29

CONVERSIONS

ELECTRICAL TABLES

Single-Phase

V x I x P.F.1000

V x I1000

kW .746 x EFF. (Gen)

HP x .746EFF. (Mot.)

HP x .746V x P.F. x EFF.

kW x 1000V x P.F.

kVA x 1000V

Poles x RPM120

V x I x 1-(P.F.)2

1000

100 (VNL-VFL)VFL

Three-Phase

1.732 x V x I x P.F.1000

1.732 x V x I1000

kW .746 x EFF. (Gen)

HP x .746EFF. (Mot.)

HP x .7461.732 x V x EFF. x P.F.

kW x 10001.732 x V x P.F.

kVA x 10001.732 x V

Poles x RPM120

1.732 x V x I x 1-(P.F.)2

1000

100 (VNL-VFL)VFL

To Obtain

kW

kVA

Horsepower required when kW known (Generator)

kW input when HP known (Motor)

Ampheres when HP known

Ampheres when kW known

Ampheres when kVA known

FrequencyHz

ReactivekVA (kVAr)

% VoltageRegulation

Direct Current

V x I1000

kW .746 x EFF. (Gen)

HP x .746EFF. (Mot.)

HP x .746V x EFF.

kW x 1000V

100 (VNL-VFL)VFL

Alternating Current

ELECTRICAL TABLE ABBREVIATIONS:

V – voltage in voltsI – current in amphereskW – power in kilowatts (actual power)kVA – kilovolt-ampheres (apparent power)HP – horsepowerRPM – revolutions per minute

kVAr – reactive kilovolt-ampheresEFF. – efficiency as a decimal factorNL – no loadFL – full loadP.F. – power factorNote: DC kW = DC kVA

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CONVERSIONS

30

THREE-PHASE CONNECTION SYSTEMS

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31

CONVERSIONS

REDUCED VOLTAGE STARTERS

Type of Starter

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 (low- speed motors only)

• 75% Winding • 80% Winding

Motor Voltage(% Line Voltage)

100

806550

80

5045

37.5

100100

Line Current (% Full Voltage)Starting Current

100

684630

80

5045

37.5

7550

Starting Torque(% of Full Voltage)

Starting Torque

100

644225

64

252014

7550

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CONVERSIONS

32

COMPARISON OF REDUCED VOLTAGE STARTING METHODS

*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.

Characteristic

Starting Line Current at Same Motor

Terminal Voltage

Starting Power Factor

Power Draw from Line During Starting

Ease of Control

Maintenance

Line Disturbance

Autotransformer

Least

Increases slightly with speed

Motor momentarily disconnected from

line from start to run

Same

Same

Reactor

Same

Same

Two-Step Part Winding

Increases slightly with speed

Smooth

No provision for adjustment of starting current

Less than others

More than others

––– More than autotransformer type –––

––– Varies with conditions and type of load –––

––– More than autotransformer type –––

Increases rapidly with speed

Smooth. Transfer made with little change in

motor terminal voltage

Primary Resistor

Lower in small size- otherwise equal

Same

Same

Relative Cost

Smoothnessof Acceleration

Torque

Average Average Less than others

Low High* Low Low

Low

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33

CONVERSIONS

ENGINE ROOM VENTILATION

Engine room ventilation can be estimated by the following formulas, assuming 100°F (38°C) ambient air temperature:

V (cfm) = H + Engine Combustion Air 0.070 x 0.24 x T

V (m3/min) = H + Engine Combustion Air 1.099 x 0.017 x T

V = Ventilation air (cfm) (m3/min).H = Heat radiation (Btu/min) (kW). T = Permissible temperature rise in engine room (°F) (°C).Density of air at 100°F = 0.070 lb/cu ft (1.099 kg/m3).Specific heat of air = 0.24 Btu/°F (0.017 kW/°C).

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CONVERSIONS

34

CONVERSION FACTORS

Unitmm2

in2

m2

ft2

mm2

1645.16

10 0000092903

in2

0.001551

1550144

m2

–0.000 645 16

10.0929

ft2

–0.006 944

10.7641

Area

mm1

25.4304.8914.41000

100 0000160 9340

in.03937

11236

39.370139 370.163 360

ft.0032810.083 33

13

3.280 843208.84

5280

yd.0010940.027 780.333 33

11.093 611093.61

1760

m.001

0.02540.30480.9144

11000

1609.34

km.0000 010.000 030.000 300.000 91

0.0011

1.609 34

mi––––

0.000 620.621 37

1

1 sq mile = 640 acres1 acre = 4840 yd2

1 cir mil = 7.854 x 10-7in2

1 cir mil = .7854 x mils21 cir mil = 5.067 x 10-6cm2

LengthUnitmminftydm

kmmi

1 grain = 0.064799 gram

––– Tons –––

Weight

Kilograms1

0.028350.4536907.21,0161,000

Unit1 Kilogram

1 Ounce1 Pound

1 Short Ton1 Long Ton

1 Metric Ton

OuncesAvoirdupois

35.271

1632,00035,84035,300

PoundsAvoirdupois

2.2050.0625

12,0002,2402,205

Short–––1

1.121.102

Long–––

0.89291

0.9842

Metric–––

0.90721.016

1

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35

CONVERSIONS

CONVERSION FACTORS

U.S. gal/min

1694.5448.84.40315.85

million U.S. gal/day

0.001 4401

0.06460.006 340.0228

ft3/s0.002 23

1.5471

0.009 810.0353

m3/h0.2270157.73101.9

13.60

L/s0.0631

43.828.320.2778

1

Flow

UnitU.S. gpm

1 million gal/dayft3/sm3/hL/s

MCFD = 1000 ft3/day MMCFD = 1,000,000 ft3/day lb/bhp-hr x 607.73 = g/kW-hr

1 Therm = 1,000,000 BtuBtu/ft2/min = 0.1220 Watts/in2

Btu/ft3 = 8.899 kg-cal/m3

Btu/lb = .5556 kg-cal/kg

Energy

UnitBTU

CalorieFoot-Pound

JouleKilocalorie

Therm

BTU1

0.003970.0012850.0009483.96825100,000

Cal252

10.3237650.23895

1000396.8254

ft-lb778

3.088661

0.737453089

128.5347

J1055.056

4.1871.356

14185

94.78169

Kcal0.2520.001

0.0030890.000239

10.39682

Therm0.00001

–––

2.5191

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CONVERSIONS

36

CONVERSION FACTORS

Unitmm/Hgin./Hgin. H20ft. H20lb/in2

kg/cm2

barkPa

mm/Hg(0°C)

125.4

1.868 2722.419251.7149735.559750.0627.500 62

in./Hg(0°C)

0.039 371

0.07 3550.882 652.036 0228.95929.530

0.295 30

in. H20(60°F)0.535713.61

112

27.70395

401.84.01835

ft. H20(60°F)

0.044641.134

0.083 331

2.30932.8433.49

0.33486

1 board-foot = 144 in3 1 bushel = 1.244 ft3 1 bushel = 4 pecks

Volume and Capacity

UnitBtu/minft-lb/min

HorsepowerJoules/minMetric hpKilowatt

Watt

Btu/min1

0.0012842.4560.0009541.827

590.05687

ft-lb/min778.2

1330000.7405325504425044.25

hp0.023580.00003

10.0000223

0.986321.341020.00134

Unitin3

ft3

yd3

mm3

m3

U.S.gallmp gal

literacre-ft

in3

11728

466566.1 x 10-5

61 023.7231

277.41961.023 7

ft3

0.000 58127

4.0 x 10-8

35.31470.133 680.160 540.035 3143 560

yd3

0.000 020.037 04

1–

1.307 950.004 950.005 950.001 311613.33

mm3

16387.128 320 000764 554 858

11,000,000,000

378542045400901000 000

Volume and Capacity

Power

Pressure and Head

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37

CONVERSIONS

CONVERSION FACTORS

m3

0.000 020.028 320.76455

–1

0.003 780.004 55

0.0011233.48

U.S. gal0.004 327.480 52201.974

2.6 x 10-7

264.1921

1.200 950.264 17325 851

lmp gal0.003 615.228 83168.178

2.2 x 10-7

219.969–1

0.219 97271 335

liter0.0163928.3169764.555

1.0 x 10-6

10003.785 414.546 09

1–

J/min1055.000

1.350444791

14412759997

59.9968

Metric hp0.023910.00003

1.0140.0000226

11.359620.00136

kW0.01758430.0000226

0.745700.0000166

0.735491

0.001

W17.58430.0226745.7

0.016668735.498

10001

lb/in2

0.019 340.491 150.036 130.433 52

114.225714.504

0.145 038

kg/cm2

0.001 360.034 530.002 54

0.030 4790.070 31

11.019 72

0.010 1972

bar0.001 330.033 860.002 490.029 890.068 950.980 67

10.010 000

Atmospheres 101.4Pa (14.7 psi)

0.001 3150.033 420.002 460.029 500.068 050.967 840.98692

0.009 869 20

kPa––

0.2492.9896.89598.067101.325

1

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CONVERSIONS

38

CONVERSION FACTORS

Note: Code letters apply to motors up to 200 HP.

Temperature Conversion°F = (1.8 x °C) + 32

°C = 0.5555 (°F – 32)

Angle1 quadrant = 90 degrees1 quadrant = 1.57 radians1 radian = 57.3 degrees1 degree = 60 minutes

1 minute = 2.9 x 10 radians

NEMA Code Letter

ABCDEFGHJKLMNPRSTUV

Starting skVA/hp

0.00 – 3.143.15 – 3.543.55 – 3.994.00 – 4.494.50 – 4.995.00 – 5.595.60 – 6.296.30 – 7.097.10 – 7.998.00 – 8.999.00 – 9.99

10.00 – 11.1911.20 – 12.4912.50 – 13.9914.00 – 15.9916.00 – 17.9918.00 – 19.9920.00 – 22.39

22.40

Identifying Code Letters on AC Motors

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39

PRODUCT SUPPORT

PRODUCT SUPPORT DEFINITIONS

Extended Service Coverage (ESC)

Depending on the model and application, Silver, Gold, Platinum and Platinum Plus coverage levels are available from Caterpillar with terms to meet most applications, whether prime or standby.

Platinum and Platinum Plus provide additional allowances for overtime emergency freight, rental, crane and rigging support. Please see the registration contract for details.

Equipment Coverage Option New Product New ESC Existing Product Advantage ESC Overhauls OPC*

Electric Power ESC reimburses covered parts at customer list price, labor at selling rates and travel and mileage charges (less any deductibles) for covered repairs.

Available worldwide for all Cat Electric Power Products, ESC provides usual and customary parts and labor costs for covered system failures due to defects in materials and workmanship on components over the duration of the covered period.

*Overhaul Protection Coverage

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40

• A Customer Support Agreement (CSA) is an arrangement between the end user and the Cat dealer that helps lower the cost per unit of production.

• Agreements are tailored to fit your business needs and can range from simple Preventive Maintenance Kits to sophisticated Total Cost Performance Guarantees.

• Qualified Factory Trained dealer technicians assist you by maintaining your Cat Electric Power Products and driving down operating costs. Perhaps the most important feature of any CSA is flexibility.

• A Preventive Maintenance (PM) agreement covers specified maintenance at a fixed cost. You maintain reliability and efficiency because the maintenance is performed by highly skilled technicians at guaranteed costs, giving you the ability to budget more accurately.

• A Total Maintenance and Repair (TM&R) agreement covers all of the maintenance and repair costs. Instead of paying for maintenance or repairs as they are needed, you pay one flat rate to cover a broad range of parts and services.

Check with your local Cat dealer for available options with each agreement.

PRODUCT SUPPORT

CUSTOMER SUPPORT AGREEMENTS

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41

PM TM&R

Detailed inspections by highly skilled technicians

✔ ✔

Scheduled maintenance

✔ ✔

Labor and travel costs ✔ ✔

Use of genuine Cat parts, fluids and filters

✔ ✔

S•O•SSM Services and interpretation

✔ ✔

Component repairs ✔

All unscheduled repairs, including wear out, with no exclusions, limitations or deductibles

PRODUCT SUPPORT

CUSTOMER SUPPORT AGREEMENTS

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For additional information or to find your nearest dealer go to: www.catelectricpowerinfo.com

© 2012 Caterpillar All Rights Reserved Printed in USACAT, CATERPILLAR, their respective logos, “Caterpillar Yellow” 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.

LEXE7582-04July 2012

DATA CENTER SOLUTIONS

For More Information:(866) [email protected]