As shown in figure "D" of the illustration...

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Question 1 of 205eccefa4bacbc34ba4d480e9

As shown in figure "D" of the illustration as compared to figure "C", what is the purpose for the "wye" or "delta" connected capacitors when the loads are similar to that illustrated in figure "A"? See illustration EL-0105.

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🔍 Key Concepts

• Three-phase motor loads as shown in figure A and how they draw reactive power (kVAR) in addition to real power (kW) • The role of capacitors in AC power systems when connected in wye or delta across three-phase lines • How adding capacitors affects the power triangle (kW, kVAR, kVA) shown in figure B

💭 Think About

• Compare figure C (without capacitors) to figure D (with capacitors): what is different in the system and what electrical quantity are those added components meant to influence? • Think about whether capacitors are mainly used to detect grounds, correct unbalanced loads, change motor torque, or to change the relationship between true power and reactive power. • How would connecting capacitors in wye or delta across a balanced three-phase load affect the amount of current drawn from the source for the same kW output?

✅ Before You Answer

• Verify what reactive power (kVAR) represents for an inductive three-phase motor load like in figure A. • Recall the main system-level purpose of shunt-connected power-factor correction capacitors in industrial or shipboard plants. • Check whether the wye/delta capacitors are in series with the load or in parallel (shunt) with the three-phase lines, and what that configuration is normally used for.

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