Franklin 2007 manual Three-Phase 75 C Cable

Page 23

Application – Three-Phase Motors

Table 20 Three-Phase 75 °C Cable (Continued)

 

 

 

 

 

 

 

 

 

 

75 °C

MOTOR RATING

 

 

 

 

 

75 °C INSULATION - AWG COPPER WIRE SIZE

 

 

 

 

 

MCM COPPER WIRE SIZE

 

VOLTS

HP

KW

14

12

10

8

6

4

3

2

1

 

0

00

000

0000

250

300

350

400

500

 

1/2

0.37

3770

6020

9460

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/4

0.55

2730

4350

6850

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

0.75

2300

3670

5770

9070

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.5

1.1

1700

2710

4270

6730

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

1.5

1300

2070

3270

5150

 

8050

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

2.2

1000

1600

2520

3970

 

6200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

3.7

590

950

1500

2360

 

3700

5750

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.5

5.5

420

680

1070

1690

 

2640

4100

5100

6260

7680

 

 

 

 

 

 

 

 

 

 

 

10

7.5

310

500

790

1250

 

1960

3050

3800

4680

5750

 

7050

 

 

 

 

 

 

 

 

460 V

15

11

0

340

540

850

 

1340

2090

2600

3200

3930

 

4810

5900

7110

 

 

 

 

 

 

60 Hz

20

15

0

0

410

650

 

1030

1610

2000

2470

3040

 

3730

4580

5530

 

 

 

 

 

 

Three-

 

 

 

 

 

 

 

 

25

18.5

0

0

330

530

 

830

1300

1620

1990

2450

 

3010

3700

4470

5430

 

 

 

 

 

Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 - Lead

30

22

0

0

270

430

 

680

1070

1330

1640

2030

 

2490

3060

3700

4500

5130

5860

 

 

 

 

40

30

0

0

0

320

 

500

790

980

1210

1490

 

1830

2250

2710

3290

3730

4250

 

 

 

 

50

37

0

0

0

0

 

410

640

800

980

1210

 

1480

1810

2190

2650

3010

3420

3830

4180

4850

 

60

45

0

0

0

0

 

0

540

670

830

1020

 

1250

1540

1850

2240

2540

2890

3240

3540

4100

 

75

55

0

0

0

0

 

0

440

550

680

840

 

1030

1260

1520

1850

2100

2400

2700

2950

3440

 

100

75

0

0

0

0

 

0

0

0

500

620

 

760

940

1130

1380

1560

1790

2010

2190

2550

 

125

90

0

0

0

0

 

0

0

0

0

0

 

600

740

890

1000

1220

1390

1560

1700

1960

 

150

110

0

0

0

0

 

0

0

0

0

0

 

0

630

760

920

1050

1190

1340

1460

1690

 

175

130

0

0

0

0

 

0

0

0

0

0

 

0

0

670

810

930

1060

1190

1300

1510

 

200

150

0

0

0

0

 

0

0

0

0

0

 

0

0

590

710

810

920

1030

1130

1310

 

1/2

0.37

5900

9410

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/4

0.55

4270

6810

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

0.75

3630

5800

9120

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.5

1.1

2620

4180

6580

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

1.5

2030

3250

5110

8060

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

2.2

1580

2530

3980

6270

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

3.7

920

1480

2330

3680

 

5750

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.5

5.5

660

1060

1680

2650

 

4150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

7.5

490

780

1240

1950

 

3060

4770

5940

 

 

 

 

 

 

 

 

 

 

 

 

575 V

15

11

330

530

850

1340

 

2090

3260

4060

 

 

 

 

 

 

 

 

 

 

 

 

60 Hz

20

15

0

410

650

1030

 

1610

2520

3140

3860

4760

 

5830

 

 

 

 

 

 

 

 

Three-

25

18.5

0

0

520

830

 

1300

2030

2530

3110

3840

 

4710

 

 

 

 

 

 

 

 

Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 - Lead

30

22

0

0

430

680

 

1070

1670

2080

2560

3160

 

3880

4770

5780

7030

8000

 

 

 

 

 

40

30

0

0

0

500

 

790

1240

1540

1900

2330

 

2860

3510

4230

5140

5830

 

 

 

 

 

50

37

0

0

0

410

 

640

1000

1250

1540

1890

 

2310

2840

3420

4140

4700

5340

5990

6530

7580

 

60

45

0

0

0

0

 

540

850

1060

1300

1600

 

1960

2400

2890

3500

3970

4520

5070

5530

6410

 

75

55

0

0

0

0

 

0

690

860

1060

1310

 

1600

1970

2380

2890

3290

3750

5220

4610

5370

 

100

75

0

0

0

0

 

0

0

640

790

970

 

1190

1460

1770

2150

2440

2790

3140

3430

3990

 

125

90

0

0

0

0

 

0

0

0

630

770

 

950

1160

1400

1690

1920

2180

2440

2650

3070

 

150

110

0

0

0

0

 

0

0

0

0

660

 

800

990

1190

1440

1630

1860

2080

2270

2640

 

175

130

0

0

0

0

 

0

0

0

0

0

 

700

870

1050

1270

1450

1650

1860

2030

2360

 

200

150

0

0

0

0

 

0

0

0

0

0

 

0

760

920

1110

1260

1440

1620

1760

2050

Lengths in BOLD only meet the US National Electrical Code ampacity requirements for individual conductors in free air or water. Lengths NOT in bold meet NEC ampacity requirements for either individual conductors or jacketed cable. See page 11 for additional details.

Continued on page 21

20

Image 23
Contents Submersible Motors Important Information for Installers of this Equipment Commitment to Quality Page Submersible Motors Application Installation Maintenance ManualMounting Position Application All MotorsStorage Frequency of StartsTorque Required Examples Transformer Capacity Single-Phase or Three-PhaseEffects of Torque Transformer CapacityKVA Use of Engine Driven Generators Single-Phase or Three-PhaseUse of Check Valves Engine Driven GeneratorsMotor Water Temperature and FlowFlow Inducer Sleeve Required Cooling FlowMinimum gpm l/m Required for 3 ft/s .91 m/sec Flow Rate Head Loss From Flow Past MotorHot Water Applications Standard Motors Head Loss in Feet Meters at Various Flow RatesHeat Factor Multiplier at 3 ft/s .91 m/sec Flow Rate Service Factor HorsepowerMaximum Water Temperature Hot Water Applications ExampleControl Box and Panel Environment Drawdown SealsGrounding Control Boxes and Panels Grounding Surge ArrestorsQD Relays Solid State Application Single-Phase MotorsWire Control Boxes Wire Motor Solid State Controls250 120180 200Actual Length Formula Two or More Different Cable Sizes Can Be UsedSingle-Phase Motor Specifications 60 Hz 3450 rpm Single-Phase Motor Fuse Sizing Buck-Boost Transformer Sizing Auxiliary Running CapacitorsBuck-Boost Transformers Application Three-Phase Motors Three-Phase 60 C Cable 450 140 220150 240 250 400280 150200 250 260Three-Phase 75 C Cable 340 400 490 120 180130 340 420Efficiency % Locked Rotor Amps Three-Phase Motor Specifications 60 HzFull Load Maximum Amps Watts575 Three-Phase Motor Fuse SizingEfficiency % KW Volts Amps Watts100 150 200 175 250 225 125 110 300 17.5 Efficiency Locked Rotor Amps Rating Full Load MaximumDual Element Furnas 60 Hz 4 MotorsHeaters for Overload RelaysFootnotes for Tables 28, 29, Nema Heaters for Adjustable60 Hz 6 Motors Submersible Pump Installation Check List Date Filled In By Pump MotorIncoming Voltage Power SupplyTransformers Control PanelControls and Protective Devices InstallationAmps To Motor Insulation CheckVoltage To Motor 60 Hz 8 Motors Recommended Adjustable Overload RelaysMotor Kvar Required for PF SubMonitor Three-Phase ProtectionPower Factor Correction KVAR Required 60 HzLine Voltage Control Three-Phase Starter DiagramsChecking and Correcting Rotation and Current Unbalance Three-Phase Power UnbalancePhase Converters Three-Phase Motor Lead IdentificationInline Booster Pump Systems Reduced Voltage StartersFeed Water Temperature C Source of Cable Ampacity Franklin Cable chart See 12. WiringAIR Availability Variable Speed Submersible Pump Operation, Inverter Drives Dimensions Standard Water Well Installation All MotorsSubmersible Leads and Cables Tightening Motor Lead Connector Jam NutPump to Motor Coupling Shaft Height and Free End PlayMotor Starts Too Often Maintenance All MotorsSystem Troubleshooting Motor Does Not StartMotor Runs But Overload Protector Trips Motor Runs ContinuouslyResistance Preliminary Tests All Sizes Single- and Three-PhaseNormal ohm and Megohm Values Between All Leads and Ground Insulation Resistance ReadingsResistance of Drop Cable ohms Checking and Repairing Procedures Power On Single-Phase Control BoxesOhmmeter Tests QD, Solid State Control Box Power OffQD Control Box Parts 60 Hz QD Capacitor Replacement KitsOverload Kits 60 Hz QD Relay Replacement Kits Overload Relay Integral Horsepower Control Box Parts 60 HzControl BOX Model no Capacitors MFD Volts Integral hp Contactor Replacement Kits Integral hp Capacitor Replacement KitsIntegral hp Overload Replacement Kits Integral hp Voltage Relay Replacement Kits1 hp QD Relay Control Box Wiring DiagramsHp Standard Hp Deluxe 282 201 Hp X-LARGE Unit Appears Dead Maintenance Electronic ProductsPumptec-Plus Troubleshooting During Installation Pumptec-PlusPumptec-Plus Troubleshooting After Installation QD Pumptec and Pumptec QD Pumptec & Pumptec TroubleshootingSubDrive75, 150, 300, MonoDrive, & MonoDrive XT SubDrive/MonoDrive TroubleshootingSubMonitor SubMonitor TroubleshootingGreen Off Time Subtrol-Plus Troubleshooting After InstallationSubtrol-Plus Obsolete See SubMonitor Light on Igbt AbbreviationsPage Page Page Toll Free Help from a Friend