As shown in the illustrated three phase...

Question 1 / 205eccefa4bacbc34ba4d4834d

Question 1 of 205eccefa4bacbc34ba4d4834d

As shown in the illustrated three phase squirrel cage induction motor controller, what starting method is used? See illustration EL-0117.

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Question 1 of 20

5eccefa4bacbc34ba4d4834d

As shown in the illustrated three phase squirrel cage induction motor controller, what starting method is used? See illustration EL-0117.

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🔍 Key Concepts

• Notice how each line from L1, L2, and L3 feeds the motor terminals through components marked R before normal running conditions. • Compare this to how a wye‑delta starter is drawn (uses two different contactor configurations of the same windings: first in wye, then in delta). • Remember that part‑winding starting uses separate parallel windings in the stator, and across‑the‑line applies full line voltage directly with no added impedance.

💭 Think About

• Look closely at whether the motor windings are ever reconnected from one configuration (like wye) to another (like delta), or if the connection stays the same and only something in series changes. • Ask yourself: during the starting period, is the motor seeing reduced voltage because of extra components in series, or is it seeing the full line voltage right away? • Does the diagram show separate groups of windings being energized in steps (part‑winding), or a single set of windings with something else limiting current at start?

✅ Before You Answer

• Verify whether the components labeled R are placed in series with each supply line before reaching the motor terminals. • Check if there is any contactor arrangement that connects the same three windings first in wye and then in delta; if not, that eliminates one option. • Confirm whether there are two distinct sets of stator windings (for part‑winding) or just one set with series elements.

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Question 1 of 20

As shown in the illustrated three phase squirrel cage induction motor controller, what starting method is used? See illustration EL-0117.

wye-delta starting

across-the-line starting

primary resistance starting

part-winding starting

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Question 1 / 205eccefa4bacbc34ba4d4834d

Question 1 of 205eccefa4bacbc34ba4d4834d

As shown in the illustrated three phase squirrel cage induction motor controller, what starting method is used? See illustration EL-0117.

Back

Question 1 of 20

5eccefa4bacbc34ba4d4834d

As shown in the illustrated three phase squirrel cage induction motor controller, what starting method is used? See illustration EL-0117.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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