Fluke 1760 [41/110] Operation

3-1

Chapter 3

Operation

Title Page

Connections to Measuring Circuits.................................................................... 3-3

Connecting Sequence .................................................................................... 3-3

Connection Diagrams .................................................................................... 3-4

1-Phase Measurement ............................................................................... 3-4

3-Wire Network with Two Current Sensors (ARON2 Method) ............... 3-5

3-Wire Network with Two Current Sensors (ARON2 Method,

Open Delta Method)................................................................................. 3-7

4-Wire Network: 3-Wattmeter Method..................................................... 3-8

Four-Wire Network: Three-Wattmeter Method with N Conductor

Voltage and N Conductor Current ........................................................... 3-9

Two Star-Connected Voltage Systems...................................................... 3-11

Two Voltage Systems in Delta Configuration .......................................... 3-12

Methods of Measurement/Formulas .................................................................. 3-13

Parameter Aggregation.................................................................................. 3-13

Calculation of Power Parameters .................................................................. 3-14

Aggregations 200 ms and higher............................................................... 3-14

Real power ................................................................................................ 3-14

Apparent power......................................................................................... 3-15

Reactive power.......................................................................................... 3-15

Power factor .............................................................................................. 3-16

Displacement power factor cos φ.............................................................. 3-16

Half and full cycle aggregations.................................................................... 3-17

Real power ................................................................................................ 3-17

Apparent power......................................................................................... 3-18

Reactive power.......................................................................................... 3-18

Power factor .............................................................................................. 3-18

Events and Flicker ......................................................................................... 3-18

Harmonics and Interharmonics Parameters................................................... 3-19

K-Factor and Factor K .............................................................................. 3-20

Signaling Voltage .......................................................................................... 3-22

Unbalance, Overdeviation, Underdeviation .................................................. 3-22

Current Unbalance .................................................................................... 3-23

Overdeviation and Underdeviation ........................................................... 3-24