Grounding Transformer Cores: Magnetic Duty under Earth Faults
A grounding transformer core must be evaluate…
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Practical engineering articles for transformer-core selection, design and production.
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Saturable Reactors: Intentional Nonlinearity Is Not a Defect
A saturable reactor uses magnetic nonlinearit…
Read full articleFilter Reactor Specifications: Frequency Spectrum before Core Selection
A filter reactor specification should begin w…
Read full articleSmoothing Reactors: DC Current with Superimposed Ripple
A smoothing reactor carries a direct-current …
Read full articleShunt Reactor Cores: Reactive Duty and Magnetic Design Inputs
A shunt reactor core should be specified from…
Read full articleAir-Gap Fringing: Effects on Nearby Conductors and Clamps
Air-gap fringing is the spreading of magnetic…
Read full articleDistributed versus Concentrated Air Gaps in Reactor Cores
Distributed and concentrated air gaps can pro…
Read full articleGapped Reactor Cores versus Transformer Cores: Different Stored-Energy Duties
A gapped reactor core and a transformer core …
Read full articleCore Grounding after Active-Part Assembly: Recheck the System Boundary
Core grounding should be reviewed again after…
Read full articleGrounding Drawings for Core Assemblies: Symbols, Test Links and Ownership
A grounding drawing for a core assembly shoul…
Read full articleInterlaminar Shorts versus Core-to-Tank Ground Faults
Interlaminar shorts and core-to-tank groundin…
Read full articleCore Grounding in Split-Core Assemblies
Split-core assemblies require an explicit ele…
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