Thank you very much for this excellent information! Could you help me understand about power usage and motor efficiency in % or numbers? How much less power does a 5 HP, 3 phase motor use compared to a 5HP, 1-phase? Can you also give numbers for a 10 HP 3 phase and 10HP, 1 phase motor please? Also, is it safe to assume a 5 HP motor uses 3.85 to 4KW? Does this assume 100% motor efficiency? What is a likely efficiency for a commercial motor? Thank you!
can you tell me how many electrical power rise due to increase in number of phases ? or in another word, what is the relation between number of phases and power?
Following are the advantages of a 3-Φ transformer over a 1-Φ transformer. Less costly Lesser weight Less in size Less time required to assembling Require less space Deliver more power Higher efficiency Easier to install Easy transportation and installation Easy to repair Easy assembling The cost of a three phase transformer is lesser than the three single phase transformers having the same rating. Finally, it is easy to obtain a single phase power supply from a three phase supply, while it is not possible to get a three phase power supply from a single phase power supply. Same is the case for single phase and three phase transformers.
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Thank you so much!
Thank you very much for this excellent information! Could you help me understand about power usage and motor efficiency in % or numbers? How much less power does a 5 HP, 3 phase motor use compared to a 5HP, 1-phase? Can you also give numbers for a 10 HP 3 phase and 10HP, 1 phase motor please? Also, is it safe to assume a 5 HP motor uses 3.85 to 4KW? Does this assume 100% motor efficiency? What is a likely efficiency for a commercial motor? Thank you!
can you tell me how many electrical power rise due to increase in number of phases ? or in another word, what is the relation between number of phases and power?
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Give advantages and disadvantages of 3 phase system in written.
Please give answer in reply of my comment asap
Following are the advantages of a 3-Φ transformer over a 1-Φ transformer.
Less costly
Lesser weight
Less in size
Less time required to assembling
Require less space
Deliver more power
Higher efficiency
Easier to install
Easy transportation and installation
Easy to repair
Easy assembling
The cost of a three phase transformer is lesser than the three single phase transformers having the same rating.
Finally, it is easy to obtain a single phase power supply from a three phase supply, while it is not possible to get a three phase power supply from a single phase power supply. Same is the case for single phase and three phase transformers.
give advantage of having single phase motors rather than 3-phase
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