Tap Changers under Reverse Power: Control Philosophy Questions
Reverse power can invalidate an OLTC control …
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Tap-Changer Deadband and Delay: Avoiding Control Hunting
Tap-changer deadband and time delay prevent u…
Ler artigo completoLine-Drop Compensation: Data a Transformer Control System Needs
Line-drop compensation estimates remote-bus v…
Ler artigo completoWhere Should Transformer Voltage Be Regulated?
The regulated voltage point may be at the tra…
Ler artigo completoTransformer Tap Range and Tap Step: Two Different Specification Fields
Tap range and tap step describe different par…
Ler artigo completoOff-Circuit versus On-Load Tap Changers: Specify the Operating Need
A de-energized tap changer changes ratio only…
Ler artigo completoTransformer Regulation at Leading and Lagging Power Factor
Transformer voltage regulation changes with l…
Ler artigo completoTransformer Parallel-Operation Studies: Minimum Data Deliverables
A parallel-operation study is reusable only i…
Ler artigo completoAdding a Third Transformer to an Existing Parallel Bank
Adding a third transformer to an existing par…
Ler artigo completoProtection Selectivity with Parallel Transformer Infeeds
Parallel transformer infeeds change both faul…
Ler artigo completoTransformer Parallel Operation during Maintenance Transfers
Short-duration paralleling during a maintenan…
Ler artigo completoLoad-Tap-Changer Control in Parallel Transformer Banks
Parallel OLTC control is a control-system pro…
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