As shown in the illustration, what type of...

🔍 Key Concepts

• Trace the power circuit from L1–L3 to T1–T3 and notice what components are in series with the motor during starting. • Compare where the resistors (the zig‑zag symbols) are located: are they in the line side (primary) or in the rotor/secondary side of the motor? • Ask yourself whether this drawing shows any voltage‑changing transformer in the motor circuit itself, or just a control transformer.

💭 Think About

• When the motor first starts, what current path does it take through each phase, and what happens later when the 1A contacts change state? • If this were an autotransformer starter, what extra windings and tap connections between line and motor would you expect to see in the power circuit? • If it were an across‑the‑line starter, would there be any extra series components between the line contactor (M) and the motor leads T1–T3?

✅ Before You Answer

• Verify exactly where the resistors are inserted in the circuit: between L1–L3 and the motor, or in a separate rotor/secondary circuit. • Confirm whether the only transformer in the diagram is a small control power transformer, not a three‑phase autotransformer feeding the motor. • Check if the motor is ultimately connected directly across the line after starting, and whether any starting components (resistors or transformer windings) are bypassed at that point.

As shown in the illustration, what type of starter is illustrated? Illustration EL-0104

reduced voltage primary resistance starter

across-the-line starter

reduced voltage autotransformer starter

reduced voltage secondary resistance starter

🔍 Key Concepts

💭 Think About

✅ Before You Answer