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A high 3rd harmonic current can cause a high neutral current

Goals and Symptoms An incorrect wiring connection or 3-phase load unbalance issue may cause resultant current flowing on neutral conductor. Apart from these possibilities, high 3rd harmonic current...

What is the calculation for heat dissipation in BTU/HR?

Issue: How to calculate the heat dissipation in BTU per hour Product Line: All Schneider product lines Cause: The calculation to determine the BTU for adding a piece of equipment to a cabinet to...

How to Download the Hong Kong RMA form for APC Single Phase UPS

Before submitting the RMA, please check if the warranty is still valid. Warranty detail can be found on apc.com>find product description in website>Technical...

HOw to define u/f 5 points in ATV340 ATV930 to have quadratic torque?

ATV340 is dedicated for machine segment, that is why quadratic torque curve by default is not available. Similar ATV930 dedicated for process solid movements does not have quadratic curve by default...

PowerLogic PM5000 Series (PM5100, PM5300, PM5500) Modbus Register List

Issue Register list for Modbus communication Product Line PM5110, PM5330, PM5340, PM5560, and PM5563 Environment Power Meter Communications Modbus Register List Cause PM5000 series register list is...

How can I connect SoMove to an Altivar Process drive via Ethernet TCP/IP...

Issue: Connecting SoMove to the VFD using the Ethernet network connection. Product Line: ATV61 ATV71 ATV630 ATV930 ATV320 ATV340 ATV32 Environment: Ethernet IP or Profinet option installed. VW3A3316,...

Wiring of RS485 Communications Networks

Issue This document attempts to explain correct methods of wiring RS485 communication networks in industrial environments based on various application notes and technical articles. Environment RS485...

What does IDMT mean and stand for?

Issue What does IDMT mean and stand for? Product Line Relays and Reclosures Environment Coordination Study Resolution IDMT stands for INVERSE DEFINITE MINIMUM TIME. IDMT is used when devices,...

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Learn more through our Generic Knowledge FAQsGeneral Knowledge

What is the selection criterion of Circuit Breakers for the Capacitor bank...

The selection should be done after derating the Circuit Breaker taking into consideration voltage variation and capacitors tolerances that could increase nominal current up to 1.5In. The Derating...