Knowledge Center
ArresterFacts Library



Arrester Library


Arrester Types


Arrester Application


Arrester Modeling


Arrester Standards


Arrester Testing



Arrester Tools & Guides

Interactive Lead Length Effect Calculator
ArresterFacts 001.2 Tool Interactive Lead Length Effect Calculator

Excel file that graphically shows the effect of lead length on a distribution arrester. Inputs include lead length, wave shape and lead inductance.

Interactive Arrester AC Rating Calculator
ArresterFacts 016.1 Interactive Arrester AC Rating Calculator

This Interactive tool assists the user in selecting the correct MCOV for distribution arresters installed on IEEE systems.

Separation Distance Calculator
ArresterFacts 024.1 Excel based Separation Distance Calculator

This excel download will calculate the maximum seperation distance maintaining a 15% margin of protection.

Arrester Value Calculator
ArresterFacts 027.1 Excel Based AC Conduction Simulator

This excel download demonstrates the current conduction though an MOV.

MOV Arrester  TOV Simulator ArresterFacts 028.1 Excel Based MOV Arrester TOV Simulator

This excel download demonstrates the temperature rise and energy dissipation during a TOV event.

Temperature Rise Calculator
ArresterFacts 030.3 Excel based Arrester Temperature Rise Calculator

This excel download will calculate the expected temperature rise of an arrester given the joule input.

Calculating Energy Using Excel and Trapezoidal Rule
ArresterFacts 030.4 Calculating Energy Using Excel and Trapezoidal Rule

This calculator is an example of how to determine the joule content of an impulse using the Trapezoidal rule of intergration.

Calculating Charge Transfer
ArresterFacts 033.1 Excel based Determining Charge in a Surge Calculator

This is a simple excel based calculator that demonstrates how to calculate the Charge Transfer of an Arrester during an Impulse.

Insulation Coordination Fundamentals
ArresterFacts 037 Insulation Coordination Fundamentals

The final energy tests adopted by IEC for arresters is explained in detail.

Arrester Value Calc. Tool
ArresterFacts 038.1 Calculating the Value of a Distribution Arrester

To determine the real value of an arrester we cannot simply look at its cost, but rather we must look at the effect on a system in its absence.

IEEE Certified QuickFacts
ArresterFacts 045 IEEE Certified QuickFacts

Reference sheet with a quick and compact overview of arrester characteristics base on IEEE standards.

IEC
ArresterFacts 046 IEC Certified Arrester QuickFacts

Reference sheet with a quick and compact overview of arrester characteristics base on IEC standards.