|
E = Voltage / I = Amps / PF = Power Factor / EFF = Efficiency / HP = Horsepower
|
|
To Find
|
Direct Current
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Alternating Current
|
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Single Phase
|
Two-Phase* Four-Wire
|
Three Phase
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Amperes when Horsepower is known
|
HP x 746
----------
E x EFF
|
HP x 746
---------------
E x EFF x PF x 2
|
HP x 746
--------------
2 x E x EFF x PF
|
HP x 746
------------------
E x EFF x PF x 1.73
|
|
Amperes when Kilowatts are known
|
KW x 1000
---------
E
|
KW x 1000
------------
E x PF
|
KW x 1000
--------------
2 x E x PF
|
KW x 1000
------------------
E x PF x 1.73
|
|
Amperes when "KVA" is known
|
|
KVA x 1000
-----------
E
|
KVA x 1000
-------------
2 x E
|
KVA x 1000
------------------
E x 1.73
|
|
Kilowatts
|
E x I
---------
1000
|
E x I x PF
---------------
1000
|
I x E x 2 x PF
--------------
1000
|
E x I x 1.73 x PF
-------------------
1000
|
|
Kilovolt-Amperes "KVA"-
|
|
I x E
-------------
1000
|
I x E x 2
--------------
1000
|
E x I x 1.73
--------------------
1000
|
|
Horsepower (Output)
|
E x I x EFF
----------
746
|
E x I x EFF x PF
---------------
746
|
I x E x 2 x EFF x PF
---------------
746
|
E x I x EFF x PF x 1.73
------------------
746
|
