Valhalla 2300 Operation Manual - page 80
SECTION XI SPECIAL APPLICATION NOTES
_______________________________________________________________
The following pages contain notes specific to certain applications. Review of these
notes is recommended in order to obtain maximum utility and safety from the 2300
Series of Power Analyzers. The topics are listed below.
AN101 Protecting the 2300 from Inductive Loads
Figure 1. Single-phase Inductive Load Protection (Method 1)
Figure
2. Three-phase
Three-wire
Inductive Load Protection (Method 1)
Figure 3. Three-phase Four-wire Inductive Load Protection (Method 1)
Figure 4. Single-phase Inductive Load Protection (Method 2)
Figure
5. Three-phase
Three-wire
Inductive Load Protection (Method 2)
Figure 6. Three-phase Four-wire Inductive Load Protection (Method 2)
AN102 Using Current and Potential Transformers
Figure 1. Current Transformer Connections
Figure 2. Potential Transformer Connections
Figure 3. Current Transformer/Potential Transformer Connections
AN103 Source Power Measurements
Figure 1. Load Power Connections
Figure 2. Source Power Connections
Figure 3. Lead Resistance Error Sources
Figure 4. Minimizing Error Sources
AN104 Measuring Phase Currents in 3-Wire Systems
Figure 1. Three-phase Three-wire Standard Connections
Figure 2. Alternate Three-phase Three-wire Connections
AN105 Measuring Transformer Loss with the 2300
Figure 1. Transformer Loss Connections
AN106 Measuring Power Factor and Reactive Volt Amperes
Figure 1. Watts, VA's, VAR's and PF