Can the WT1800/WT1800E measure Total Demand Distortion (TDD)?
Yes, the WT1800 can measure TDD using the following user-defined equation:
ITHD(E1)*IK(E1,OR1)/IL
IL=maximum demand load current. IL should be a constant entered by the customer based on IEEE 519 standards. The above equation is written for element 1.
Related Products & Solutions
WT1800 High Performance Power Analyzer
The WT1800 Power Analyzer offers maximum flexibility with up to six wattmeter elements, high bandwidths, simultaneous high speed digitizing, and wide voltage and current ranges. Although this model is still available, the newer WT1800E offers higher accuracy.
WT1800E - High-Performance
- Up to 6 wattmeters
- 0.05% of rdg + 0.05% of rng
- DC, 0.1Hz to 1MHz
- 2 motor inputs
- Harmonics to 500th order
WT1800R High-Performance
- Up to 6 wattmeters
- 0.05% of rdg + 0.05% of rng
- DC, 0.1Hz to 1MHz
- 2 motor inputs
- Harmonics to 500th order
Power Analyzers and Power Meters
Measure characteristics of devices that generate, transform or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics, and efficiency.
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