As shown in the illustration, when...

Question 1 / 205eccefa4bacbc34ba4d4817b

Question 1 of 205eccefa4bacbc34ba4d4817b

As shown in the illustration, when transitioning from the electrical plant status indicated by figure "A" to the plant status indicated by figure "B", how is this accomplished manually assuming that the machines are of equal capacity and that the governor droop settings are identical? See illustration EL-0040.

Back

Question 1 of 20

5eccefa4bacbc34ba4d4817b

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Real power (kW) sharing between paralleled generators is primarily controlled by the governor speed setting/frequency • Reactive power (kVAR) and power factor sharing is primarily controlled by the voltage regulator/excitation setting • When two generators have equal capacity and identical droop, changing one machine’s setting relative to the other will shift load between them while total system load stays about the same

💭 Think About

• Compare figure A and figure B: How does the kW load on each generator change, and what does that tell you about which control (governor vs voltage regulator) had to be adjusted? • Look at the power factor and kVAR values from A to B. Are they changing in a way that suggests the main adjustment was to real power sharing or to reactive power sharing? • If system frequency and bus voltage must remain essentially constant, what combination of adjustments on generator #1 and #2 would shift kW from one to the other without noticeably changing overall frequency or voltage?

✅ Before You Answer

• Identify which control affects kW (governor speed setting) and which affects kVAR/power factor (voltage setting/excitation) • Verify from the diagrams that the total kW and total kVAR of the plant stay essentially the same between A and B • Before choosing, check whether the option you are leaning toward would mainly change real power sharing or reactive power sharing, and match that to what actually changed between A and B

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

Quick actions

— No credit card needed

Question 1 of 20

#1 generator governor speed setting is raised, while #2 generator governor speed setting is lowered

#1 generator governor speed setting is lowered, while #2 generator governor speed setting is raised

#1 generator voltage setting is raised, while #2 generator voltage setting is lowered

#1 generator voltage setting is lowered, while #2 generator voltage setting is raised

Question 1 / 205eccefa4bacbc34ba4d4817b

Question 1 of 205eccefa4bacbc34ba4d4817b

Back

Question 1 of 20

5eccefa4bacbc34ba4d4817b

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?

Quick actions

— No credit card needed