Operation: CP1SD/T/L Version
48 CENTRON® Polyphase Meter Technical Reference Guide
Measured Energy
Quantity Type
Phases Directions
VA-hours (vectorial or arithmetic [RMS]) aggregate
delivered
received
lagging
Volt-hours (Vh)
phase A
phase B
phase C
average
Amp-hours (Ah)
phase A
phase B
phase C
V
2
h aggregate
A
2
h aggregate
Q-hours aggregate
delivered
received
Demand Registers
Demands can be calculated from any of the eight selected energy quantities. The user can
configure up to ten demand registers. The D/T/L Register can compute three types of
demand: Block Demand, Rolling Demand, or Thermal Demand.
Measured Demand
Quantity Type
Demand Registers Phases Directions
watt-hours
Block, Rolling,
Thermal
aggregate
delivered
received
net
uni-
directional
Varhours
Block, Rolling,
Thermal
aggregate
delivered
received
net
per
quadrant
VA-hours (vectorial or
arithmetic [RMS])
Block, Rolling,
Thermal
aggregate
delivered
received
lagging
Amp-hours (Ah) Block
phase A
phase B
phase C
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