Блог

Spanningsomvormer 230V 110V correct kiezen: uitvoeringen, VA-dimensionering, aansluiten, aarding en eisen uit NEN 1010 en IEC 61558.

Transformador 230V 110V: construcciones, dimensionado en VA, cableado, puesta a tierra del secundario y normativa UNE-EN IEC 61558 para el mercado español.

Spannungswandler 230V 110V richtig auswählen: Bauarten, VA-Dimensionierung, Anschluss, Erdung und Normen nach DIN EN IEC 61558.

A practical guide to grounding the secondary of small dry-type step-up and step-down transformers — which conductor to bond, how to verify it, and mistakes to avoid.

A practical guide to transformer turns ratio testing on low voltage units - the applied-voltage method with a variac, tolerance limits, tap checks, and when to call for a ratio tester.

A practical guide to measuring the DC resistance of transformer windings and motor coils, covering four-wire setup, test current selection, temperature correction and pass/fail limits.

A control transformer steps a 380 V or 480 V supply down to the 120 V or 24 V that relays, contactor coils and PLC inputs run on. Learn how it works, why inrush VA — not sealed VA — sets the rating, and how to size, tap, fuse and ground one.

A practical guide to transformer live and neutral wiring: how to identify L and N terminals, connect them correctly, and avoid the hidden shock hazards of a reversed input.

Learn how to convert single phase to three phase power with VFDs, rotary and static phase converters, plus sizing rules and where transformers fit.