Industri -nyheder

Surge Protection Coordination: How To Cascade Type 1, 2, And 3 SPDs

A practical guide to surge protection coordination: how to cascade Type 1, 2, and 3 SPDs with correct decoupling, backup protection, and IEC 61643 compliance.

How SPD Suppliers Ensure Product Reliability For Electrical Projects

A practical guide on how SPD suppliers ensure surge protective device reliability for electrical projects through standards, testing, and certification.

Type 1 vs Type 1+2 vs Type 2 vs Type 3 DC SPD — Which to Choose

A practical guide to choosing Type 1, 1+2, 2 and 3 DC SPDs for solar, battery and EV systems, based on IEC 61643-31 and installation risk.

How SPD Surge Protective Devices Are Designed For Modern Electrical Systems

A practical look at how SPD surge protective devices are designed for modern electrical systems — from MOV selection and IEC 61643-11 ratings to Type 1/2/3 coordination, backup protectors, and type testing.

SPD Company Selection Guide for Global Electrical Buyers

A six-step selection process that helps global electrical buyers shortlist a reliable SPD company by certifications, SPD type, manufacturing capability, lead time, and total cost of ownership.

1500V vs 1000V DC SPD: Should You Upgrade Your PV System?

1500V PV systems cut balance-of-system costs, but they change what your DC surge protector must survive. Compare Ucpv, Up, and impulse withstand margins before you upgrade.

SPD Factory Audit Checklist: 9 Checks Before You Buy

How do you audit an SPD factory before you buy? Use this 9-check audit checklist covering type-test reports, MOV sourcing, QC records and lab capability.

Wind Turbine surge protection: How to choose the right SPD for wind power systems

This guide explains how to choose the right SPD for wind turbine and wind power systems. It covers Type 1, Type 2, and Type 1+2 surge protectors, key 690V parameters such as Uc, In, Imax, Up, and the best installation locations for wind farm electrical protection.

Electrical SPD for Solar PV Systems: Do You Really Need It?

Solar PV systems face real surge risks from lightning and switching events. This guide explains why a dedicated electrical SPD - your solar surge protection device - is essential, and how to select the right PV surge protection device for residential, commercial, and industrial arrays.