Valhalla 2300, Operation Manual

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SECTION XI: SPECIAL APPLICATION NOTES
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
AN107 Minimizing Error Sources Using Three-Wire Connections
Figure 1. Three-wire Digital Power Analyzer
Figure 2. Digital Power Analyzer Error Sources
Figure 3. Error Source Reduction
Figure 4. Measuring Power Loss in Connecting Leads
AN108 Measuring Single-Phase Three-wire Power
Figure 1. Single-phase Three-wire Power
Figure 2. Single-phase Three-wire Connections
Figure 3. Alternate Single-Phase Three-wire Connections