Phase2_Mod_10_SDT Star Delta Connection 1

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Question 1 of 13

1. Question
What is the relationships between line and phase currents and voltages in star and delta connected circuits?
Sort elements
- IL=IP and VL = 1,732X VP
- IL = 1,732X IP and VL=VP
- Star connection
- Delta connection
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Question 2 of 13

2. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

Thermal type overload in line – 15 A
- 15A
- 21A
- 10A
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Question 3 of 13

3. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

Thermal type overload in phase 33A
- 19,016A
- 24,044A
- 19,052A
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Question 4 of 13

4. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

Oil magnetic type overload in phase 12A
- 12A
- 15A
- 18A
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Question 5 of 13

5. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

Oil magnetic type overload inline 25A
- 18,042A
- 12,160A
- 17,002A
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Question 6 of 13

6. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

What is an overload?

An overload is a device, connected in a circuit that _________ the circuit when an excess current occurs
- delays
- trips
- closes
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Question 7 of 13

7. Question
Calculate the overload settings for the following motors based on the way in which the overload is connected

Where will you connect the overload?

Overloads are mainly connected in line in ________ starters, sequence starters, direct-on-line starters, manual star-delta starters and some semi-automatic starters
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Question 8 of 13

8. Question
Match the following…
Sort elements
- A.
- B.
- C.
- 1. Overload in line
- 2. Overload in phase
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Question 9 of 13

9. Question
In Star connection IL= 1,73 IP
- True
- False
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Question 10 of 13

10. Question
In Delta connections VL=Vp
- True
- False
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Question 11 of 13

11. Question
In star connection VL=1,73 VP
- True
- False
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Question 12 of 13

12. Question
In delta connections IL=1.73IP
- True
- False
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Question 13 of 13

13. Question
Fill in the missing space
- 1.
  2.
  3.
  4.
  5.
  6.
Correct

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