Electrical Stuff From Questions Friday. Delta 3 Phase Motor.

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Presentation transcript:

Electrical Stuff From Questions Friday

Delta

3 Phase Motor

3 Phase Box

Delta

3 Phase Power

3 Phase Black Red Blue White Neutral White Neutral High leg

3 Phase Breaker

What size of Circuit breaker 5 Hp motor 40 amp. 1 hp = 746 Watts (1 horsepower = watts) so 5 hp = 3,730 watts So if:“I” stands for current (flow of electricity) “A” stands for ampere (unit of current) “V or E” stands for Voltage (current flow) “P” stands for Watts “R” stands for resistance (ohms)

Conductors

R E or V I

What size of Circuit breaker R = E/I R = 220/ 40 R= 5.5 E= I x R 40 x 5.5 E = 220 P = E x I 220 x 40 P = 8,800 all we needed was P = 3,740 Wire size = # 8 1 hp = 746 Watts (1 horsepower = watts) so 5 hp = 3,730 watts So if:“I” stands for current (flow of electricity) “A” stands for ampere (unit of current) “V or E” stands for Voltage (current flow) “P” stands for Watts “R” stands for resistance (ohms)

Mr. Peabody Sherman WABAC wayback machine