MCCCD Official Course Competencies:

EUT216  20086-99999

Meter Technology Lab II

1.

Illustrate, name, and define the internal connections and operations of the watt-hour meter and poly phase meter.

2.

In detail, explain the effects, responsibilities and roles of each component in the six components of the self-contained watt-hour meter.

3.

Demonstrate the procedures and techniques used to disconnect and reconnect self-contained watt-hour meter.

4.

Successfully determine how the schematic connections relate to all of all internal components of the self-contained watt- hour meter and poly phase meter.

5.

Recognize the proper testing tools for troubleshooting both self-contained watt-hour meters and poly phase meters along with their responsibilities, limitations and proper functions. (IV)

6.

Successfully troubleshoot known malfunctioning meters and repair as needed. (IV)

7.

Successfully troubleshoot known malfunctioning poly phase meters and repair as needed. (IV)

MCCCD Official Course Outline:

EUT216  20086-99999

Meter Technology Lab II

I. Theory of operation

A. The Generic Watt-hour Meter

B. Multi-Element (Multi-Stator) Meters

C. Poly-phase Meter

D. Solid State Meter

E. Demand Meter

F. Electronic Demand Meters with Time-of-Use and Recorder

G. Kilovoltampere Metering

II. Internal Operations

A. Single Stator B Permanent magnet or magnetic brake

C. Meter Registers

D. Meter Bearings

E. Anti-Creep Holes

F. Current Damping

III. External Operations and Effects

IV. Troubleshooting Methods

A. RFL 5800 Automated Test Board

1. Theory of Operation

2. Proper use

3. Safety (PPE)

4. Common mistakes

5. Successful troubleshooting techniques.

6. Adjustments and Calibration

B. Use of theory in troubleshooting

1. "Shot gunning"

2. Logical Approach

3. Statistical Approach

C. Interference Tests

D. Proper grounding

E. Proper meter sequencing