Siemens 9410RC User Manual page 8

9410 series
8
Available resets ........................................................................................... 137
Measurements
.............................................................................................. 141
Power and power factor ................................................................................ 141
Power demand............................................................................................. 143
WAGES monitoring ...................................................................................... 144
Incremental energy ...................................................................................... 145
Incremental energy example ................................................................... 145
Conditional energy ....................................................................................... 146
Trending and forecasting overview ................................................................ 147
Power quality
................................................................................................. 149
Power quality overview ................................................................................. 149
Sag/swell overview....................................................................................... 149
Harmonics overview ..................................................................................... 149
Voltage crest factor....................................................................................... 150
Crest factor current....................................................................................... 150
K-factor ....................................................................................................... 150
Harmonic content calculations....................................................................... 151
TDD calculations.......................................................................................... 151
thd and TDD ................................................................................................ 151
Phasors....................................................................................................... 151
Disturbance direction detection overview ....................................................... 152
Verifying accuracy
........................................................................................ 154
Overview of meter accuracy .......................................................................... 154
Accuracy test requirements........................................................................... 154
Signal and power source......................................................................... 154
Control equipment .................................................................................. 154
Environment .......................................................................................... 154
Reference device or energy standard....................................................... 155
Energy pulsing ............................................................................................. 155
Verifying accuracy test meter settings ............................................................ 155
Verifying accuracy test.................................................................................. 156
Calculate the number of required pulses ........................................................ 157
Percentage error calculation for accuracy verification testing ........................... 158
Typical sources of test errors......................................................................... 158
Accuracy verification test points .................................................................... 158
Revenue metering
........................................................................................ 160
Revenue metering overview.......................................................................... 160
Components of revenue metering.................................................................. 160
Revenue firmware security features............................................................... 160
Protected features and settings ..................................................................... 160
Revenue meter pre-installation procedure ...................................................... 161
Revenue locking .......................................................................................... 161
Revenue lock switch..................................................................................... 161
Revenue locking your meter.......................................................................... 162
PT/CT correction .......................................................................................... 162
Time of use.................................................................................................. 163
Specifications
................................................................................................ 164
7EN05-0336-01