AEP AEP Metering & Measurement 1

Question 1

What is the primary purpose of an electric meter installed at a customer's service entrance?

Accepted Answer

To measure electrical energy consumption

Answer

Electric meters measure the amount of electrical energy consumed by a customer for billing purposes.

Question 2

Which unit is used to measure electrical energy consumption on a standard residential meter?

Accepted Answer

Kilowatt-hours (kWh)

Answer

Kilowatt-hours (kWh) is the standard unit used to measure electrical energy consumption for billing purposes.

Question 3

What does AMI stand for in the context of AEP's smart metering infrastructure?

Accepted Answer

Advanced Metering Infrastructure

Answer

AMI (Advanced Metering Infrastructure) is the integrated system of smart meters, communications networks, and data management systems.

Question 4

What is the purpose of a current transformer (CT) used in metering applications?

Accepted Answer

To reduce high currents to a lower, measurable value

Answer

Current transformers reduce high primary currents to a proportional lower secondary current suitable for measurement instruments.

Question 5

When installing a revenue-grade meter, what accuracy class is typically required by utilities like AEP?

Accepted Answer

Class 0.5 or better

Answer

Revenue-grade meters must meet accuracy Class 0.5 or better to ensure precise billing measurements as required by ANSI standards.

(AEP) American Electric Power Practice Test