AEP Metering & Measurement Flashcards
6 cards from real AEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 AEP Metering & Measurement flashcards as text
What is a 'phantom load' in the context of electric metering?
Answer: Electricity consumption by devices in standby mode
Phantom loads (standby power) are the electricity consumed by devices when they are turned off but remain plugged in.
What does power factor measure in an electrical system?
Answer: The ratio of real power to apparent power
Power factor is the ratio of real power (kW) to apparent power (kVA), indicating how efficiently electrical power is being used.
Which type of meter test involves comparing the meter's registration against a known standard?
Answer: Accuracy test (watthour test)
A watthour accuracy test compares the meter's recorded energy against a precision reference standard to verify measurement accuracy.
What is the purpose of meter seals on a revenue meter?
Answer: To prevent unauthorized access or tampering
Meter seals are tamper-evident devices that indicate if a meter has been accessed without utility authorization.
In AEP's service territory, what is the standard residential service voltage in the US?
Answer: 120/240V single-phase
Standard US residential service is 120/240V single-phase, providing 120V for small appliances and 240V for large appliances.
What does interval data recording on a smart meter allow utilities to do?
Answer: Analyze detailed usage patterns in short time intervals
Interval data recording captures energy use in 15 or 30-minute intervals, enabling detailed load analysis, TOU billing, and outage detection.