Electrical formulas, Alternating cunrent, Desired data 1-phase 3-phase – Generac Power Systems IM Series User Manual

Page 34

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ELECTRICAL FORMULAS

Alternating Cunrent

DESIRED DATA

1-PHASE

3-PHASE

Kilowatts*

Volts

X

Amps

X

Power Factor

1000

1.73

X

Volts

X

Amps x Power Factor

1000

KVA*

Volts xAmps

1000

1.73 x Volts x Amps____

1000

Horsepower*****

Volts

X

Amps

X

lOOxP.F.

746

X

Efficiency

1.73

X

Volts

X

Amps

X

100 x P.F.

746

X

Efficiency

Amperes**

H.P,

X

746

X

Efficiency

Volts

X

100 xP.F.

H.P.

X

746

X

Efficiency

1.73

X

Volts

X

100

X

P.F.

Amperes***

Kilowatts

X

1000

Volts

X

P.F.

Kilowatts

X

1000

1.73X Volts

X

P.F.

Amperes****

kVAxIOOO

Volts

kVAxIOOO

1.73

X

Volts

Frequency

RPM x Rotor Poles

2x60

RPM

X

Rotor Poles

2x60

No. of Rotor Poles

2

X

60

X

Frequency

RPM

2

X

60

X

Frequency

RPM

RPM

* Generator output or loa

** When Horsepower is kr

*** When Kilowatts is knov

**** When kVA is known

***** Engine output

2

X

60

X

Frequency

No. of Rotor Poles

d input

lown

vn

2

X

60

X

Frequency

No. of Rotor Poles

32

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