12.3 Detailed Measurement Specifications
187
Chapter 12 Specifications
12
Active power demand quantity (WPdem), Reactive power demand quantity
(WQdem), Data is output but not displayed.
Measurement
method
Active power values are integrated separately for consumption and
regeneration for each interval time.
Reactive power values are integrated separately for lag and lead
during the
interval time.
See: "Demand quantity (output data only; not displayed)" (p. 205)
Measurement
items
• Active power demand quantity
Consumption WPdem +
Regeneration WPdem -
• Reactive power demand quantity
Lag WQdem_LAG
Lead WQdem_LEAD
Measurement
accuracy
Active power and reactive power measurement accuracy ±1 dgt.
Integration
time accuracy
±10ppm ±1 sec.
Active power demand Value (Pdem), Reactive power demand quantity (Qdem)
Measurement
method
Active power values are averaged separately for consumption and
regeneration for each interval time.
Reactive power values are averaged separately for lag and lead for
each interval
time.
See: "Demand value, Pulse input" (p. 206)
Measurement
items
• Active power demand value
Consumption Pdem +
Regeneration Pdem -
• Reactive power demand value
Lag Qdem_LAG
Lead Qdem_LEAD
Measurement
accuracy
Active power and reactive power measurement accuracy ±1 dgt.
Power factor demand value (PFdem)
Measurement
method
Calculated from the active power demand value Pdem and the
reactive power demand value Qdem.
See: "Demand value, Pulse input" (p. 206)
Measurement
accuracy
±1 dgt. relative to calculations from measured values
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