YOKOGAWA WT5000, Features Manual

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14-1
IM WT5000-01EN
14 Integrated Power (Watt Hours/Ampere Hours)
Integrated Power (Integration, MENU (INTEGRATION))
This instrument can integrate the active power (watt hour), the current (ampere hour), the apparent power (volt-
ampere hour), and the reactive power (var hour) values.
For a list of the measurement functions related to integrated power (watt hours) and their descriptions, see “Items
That This Instrument Can Measure.”
Click here.
Update Mode and Executing Integration
• When the update mode is constant interval, you can execute integration (start, stop, and reset).
• If the update mode is trigger and you execute integration, the update mode is automatically changed to
constant interval. When integration is reset, the update mode returns to trigger.
Set the following items.
•
Integration mode (Integration Mode)
• Integration timer (Integration Timer)
• Scheduled times for real-time integration (Start Time/End Time)
• Enabling or disabling independent integration (Independent Control)
• Integration Source Elements (Element Objects)
• Integration auto calibration on/off (Auto Cal)
• Watt hour integration method for each polarity (WP ± Type)
• Current mode for current integration (q Mode)
• Rated time of integrated D/A output (D/A Output Rated Time; option)
• Integration resume action at power failure recovery (Resume Action)
• Starting, stopping, and resetting integration (Start/Stop/Reset)
Integration-Related Display
Integration-related settings and conditions are display at the top of the screen.
At Integration Reset
The display shows the following when the integrated value is reset and integration can be started.
• When independent integration is off: No display
• When independent integration is on: Element numbers in reset mode
When Integration Is Running
When integration is running, and the elapsed integration time are displayed.
When Integration Is Paused
When integration is paused, and the elapsed integration time are displayed.
• If you tap Stop or press STOP causing integration to pause, appears. Tapping Start or pressing START
resumes the integration.
• If the integration mode is real-time normal integration mode or real-time continuous integration mode and the
scheduled integration stop time arrives causing the integration to automatically pause, appears. In this
condition, you cannot resume integration even if you tap Start or press START. To start integration, reset it
first.