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podryga [215]
3 years ago
8

Explain the relationships among speed, frequency, and the number of poles in a three-phase induction motor

Business
1 answer:
Triss [41]3 years ago
5 0

The synchronous speed (rpm) equals 60 times the frequency divided by the number of pole pairs. For 50Hz, a two-pole motor will have a synchronous speed of 3000 rpm, a four-pole motor of 1500 rpm.

The actual speed is a few percent lower due to the slip of the asynchronous motor.


The slip increases with the torque, typical values are 5–10%. The rated speed for a four-pole motor at 50Hz will thus be something like 1360 rpm. At no-load, the slip is very small.
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Zheng invested $100,000 and Murray invested $200,000 in a partnership. They agreed to share incomes and losses by allowing a $60
kifflom [539]

Answer:

$57500 to Zheng and $ 47500 to Murray  

Explanation:

   

Allocation of Net income            Zheng            Murray            Total

                                           

Total Net income                                                                    105000

Less: Salary allowance                60000         40000    -100000  

Remaining income                                                              5000

Less: Interest on capital 10%         10000              20000    - 30000

Remaining Loss                                                                      -25000

Share equally                          -12500           -12500        25000

Share of partners                   57500                47500           0

8 0
3 years ago
What are the three questions you need to ask yourself before you start investing
Leto [7]

Explanation:

Is the seller licensed?

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6 0
2 years ago
Rey bought 10 shares of Apex Co. for $17 each and later sold all of them at
cluponka [151]

Answer:

C. Capital Loss

Explanation:

When the selling price of an asset like bonds etc exceeds it purchase price then the capital profit will be the difference between sale and purchase price.

But if the purchase price is greater than the sale price the difference is called Capital loss.

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Answer:

$1100

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r = Interest rate , t = time , n = compound in time 't' , P = Principal

A = 1000 (1+10/1) power'(1X1) = 1000 X 11 power 1' = 1000 X 11 = 1100

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