Setting The Parameters For Current Probes - AEMC 8335 User Manual

Hookup Types:
Single or Split-phase: The neutral current is not measured or calculated.
3-Phase 3-or-4-Wire connection:
On DELTA network: Only power totals are measured.
On WYE network: The neutral current is not calculated. It is necessary
3-Phase 5-Wire connection: The neutral current is available and its value
and waveform are displayed.
On WYE network:
NOTE: Neutral current is calculated, not measured, in the 4 wire hookup.
V1 must be connected in all hookups, since the display is synchronized
from V1 and the network frequency measured by V1.
Neutral current is calculated by adding, for each datapoint, each of the 3
measured phases of current. This assumes that all current flows through
neutral. This results in a 256 datapoint waveform. If the 3 phases of current
were balanced, the calculated neutral current would be 0 for every datapoint.

4.3.2 Setting the Parameters for Current Probes

• Connect the current probes to the PowerPad
ratio. Use the same type of probe for each phase.
• Highlight Current Probe with the ▲ and ▼ buttons, then press the
button.
32
Powers per phase are displayed, but not valid.
to connect neutral (V) to obtain the power per phase.
Powers per phase are available.
Figure 4-4
before setting up the probe
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Power Quality Analyzer Model 8335